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Home My WebLink About861172.tiff RESOLUTION RE: ACTION OF THE BOARD OF COUNTY COMMISSIONERS OF WELD COUNTY, COLORADO, CONCERNING SITE APPLICATION OF THE ST. VRAIN SANITATION DISTRICT AND AUTHORIZE CHAIRMAN TO SIGN WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the St. Vrain Sanitation District wishes to construct a new sewage treatment plant on the following described parcel of land, to-wit: The WW1/4, SE', Section 31 , Township 3 North, Range 67 West of the 6th P.M. , Weld County, Colorado WHEREAS, the Regulations for Site Applications for Domestic Wastewater Treatment Works require review of the Site Application by the Board of County Commissioners before construction may be started and, further, that various local and state agencies be given the opportunity to review and comment on said Site Application, and WHEREAS, the St. Vrain Sanitation District has submitted its Site Application to the Board of County Commissioners of Weld County for review and comments, a copy of said Application being attached hereto and incorporated herein by reference, and WHEREAS, after study and review, the Board finds that said Site Application is compatible with the Weld County Comprehensive Plan and that it is in the best interest of Weld County to • recommend approval of said Application. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the Site Application of the St. Vrain Sanitation District be, and hereby is, recommended favorably to the Colorado Department of Health as being compatible with the Weld County Comprehensive Plan. BE IT FURTHER RESOLVED by the Board that the Chairman be, and hereby is, authorized to sign said Site Application. /le, /&Lt' -7/ �s+4 8 6117 2 C pLitiya Page 2 RE: SITE APPLICATION - ST. VRAIN SANITATION DISTRICT The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 10th day of December, A.D. , 1986. BOARD OF COUNTY COMMISSIONERS ATTEST:\ WELD COUNTY, COLORADO Weld County lerk and Recorder ` •. and Clerk to the Board a que ne J• n-on, Chairman EXCUSED BY: e9A---m_<ua- ( �(�1,4 Gor E. Lacy, Pro-Tem Deputy County 'Clerk ie APPROVED A ' TO FORM: ene R. Bran per k 1)-- C.WKy County Attorney 7t14� F•ra Yamaguc� Y� 861172 LAND-USE APPLICATION SUMMARY SHEET Date: November 25, 1986 CASE NUMBER: None NAME: Saint Vrain Sanitation District ADDRESS: c/o Wallace H. Grant, Grant, Bernard, and Lyons, Attorneys at Law, P.O. Box 978, Longmont, CO 80501 - REQUEST: Aproval of a site application for a wastewater treatment facility LEGAL DESCRIPTION: Part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M. , Weld County, Colorado LOCATION: East of Weld County Road 13 and north of Weld County Road 26 SIZE OF PARCEL: 25 acres, more or less POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The Colorado Department of Health, Water Quality Control Commission's regulations require that the applicant submit the site application to all appropriate local governments, planning agencies and state agencies for review and comment prior to submission to the Colorado Department of Health's District Engineer. The regulations further state that if the proposed facility is located in the unincorporated area of a county, the county planning agency should be requested to comment upon the relationship of the treatment works to the local long-range comprehensive plan for the area as it affects water quality, including the location in the flood plain and capacity to serve the planned development • Date: December 2, 1986 CASE NUMBER: None NAME: Saint Vrain Sanitation District ADDRESS: c/o Wallace H. Grant, Grant, Bernard, and Lyons, Attorneys at Law, P.O. Box 978, Longmont, CO 80502-0978 REQUEST: Approval of a site application for a wastewater treatment facility LEGAL DESCRIPTION: Part of the NWI SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado LOCATION: Approximately 3 miles north of the Towu of Firestone; east of Weld County Road 13 and north of Weld County Road 26 THE DEPARTMENT OF PLANNING SERVICES STAFF RECOMMENDS THAT THIS REQUEST BE APPROVED FOR THE FOLLOWING REASONS: The treatment plant will not adversely affect the local water quality. The design of the ,system will be of sufficient capacity to serve the approved service area. The Weld County Health Department has reviewed this proposal and has set forth no objections. The proposal is in compliance with the Weld County Comprehensive Plan due to the changing conditions in the area. Since 1982, the Board of County Commissioners, have approved zone changes for approximately one thousand acres from A (Agricultural) to C (Commercial) , I (Industrial) , and R (Residential) land-uses. Approval of this site application will help provide an adequate means of wastewater disposal for these and other proposed land-uses. INVENTORY OF ITEMS SUBMITTED FOR CONSIDERATION Case Number AhNC' Submitted or Prepared Prior • to Hearing At Hearing 1. Application 99 Pages 2. Q Application„plat(s) Page(s) • 3. DPS Referral:.Summary Sheet 4. PPS Recommendation • • 5. • DPS Surrounding Propery Owner Mailing List N a 6. DPS Mineral Owners Mailing List NA 7. ' DPS Maps Prepared by Planning Technician A/4 8. DPS Notice of Nearing �A'Vg 9. DPS Case Summary Sheet X14 10. . DPS Field Check Nf //Hefreg• Haw 42 11.gi(I/Xn tissfi = Ake e4 Wed//h ac`ir 12.pie.oticsPovss.• . mw //-0-0 woo tio. 13.1r1t6'�,f•ilio//-fic FPO/17 Po�b/t'//DD G60(oe/tA1 SU�sI��F� f 01 1rCs�Gtra 0 0 /�/y'P'6 flea 4"1D S he�IYf 14.E TED il—i9 sr�flea 4"0 0 4,414 4 98'" v 15.effli** IPESDDAL9 D/t nlil Anima, � 16.p Dgi Gilri er pisfa/e/- 17.Eti Ff //l ,psPo�/si-omwt2 firo0 ls./Cf iso me imerr,,u5 (I 'Ail rs€ 0df O 19.erfill /f ESblcat DWID//-7e—Ctd fi e/OaStTeAc Left ##! li� ' /(0.5F_�d�i1/P�l�/sti�/�'` 20. Arra/2L/ 15/arse- OBfeo /boa-re clog"n do,9/It1o.+it Fier Q,(o/%/•oN D/St1i e a/ eca/#L tsk. s VAfiil l/—98-9'6 (km P.s. Co Gf1s o� I hereby certify that the t16 items identified herein were submitted to the Department of Planning Services at or prior to the scheduled Planning Commission hearing. I further certify th t t ese items were forwarded to the Clerk to the Board's office on /2/57 191 . • of P1 nner STATE OF COLORADO ) COUNTY OF WELD ) SUBSCRIBED AND SWORN TO BEFORE ME THIS /.6.—DAY OF -,c uv k 19 ctitf SEAL Riot A NOTARY PUBLIC 1 My Commission Expires Feb. 13, 1989 � r^p7 MY comMusrow E/.1'1rRES ...... ,..____„... .._.. _._ +'' •..... f r g ftligAL /fCS6D,Vse- 9/}71 l/ -2/ "g( f1©92 rhr sA/MI Slier *Sim sOliOd s 23 4 (d UlL 81S/DEC' ,U/.�tED 1O92 /f/// CNYXIL W6/D 00/VT` CJ<4f5/f D/sr?t/ COLORADO DEPARTMENT OF HEALTH Water Quality Control Division 4210 fast 11th Avenue Denver, Colorado 80220 APPLICATION FOR SITE APPROVAL FOR CONSTRUCTION OR EXPANSION OF: ' A) DOMESTIC WASTEWATER TREATMENT WORKS (INCLUDING TREATMENT PLANTS, OUTFALL SEWERS, AND LIFT STATIONS) OVER 2,000 GPD CAPACITY. B) INTERCEPTORS (IF REQUIRED BY C.R.S. 25-8-702 (3)) • APPLICANT: St.' Vrain Sanitatinn nistrirt ADDRESS:c/o Grant Bernard F, lynns P 0 Rnx 97R, Inngmnnt, rn 805( ONE: (303) 776-9900 Consulting Engineer's Name and Address: Nelson Engineers 822 7th Street, Suite 520, Greeley, Colorado 80631 PHONE: (3031 356-6162 A. Summary of information regarding new sewage treatment plant:1, Proposed Location: (Legal Description) NW 1/4, SE 1/4, Section 31 Township 3 N , Range 67W , Weld County. aerated 2, Type and capacity of treatment facility proposed: Processes Used pond system - 0.5 mgd Hydraulic 500,000 Organic 1 ,000 s. BOD /day gal/day 5 Present PE 1 .774 Design PE 5.000 % Domestic inn X Industrial, ndustrial 0 3. Location of facility: Attach a map of the area which includes the following: (a) 5-mile radius: all sewage treatment plants, lift stations, and domestic water supply intakes. (b) 1-mile radius: habitable buildings, location of potable water wells, and an approximate indication of the topography. 4. Effluent disposal: Surface discharge to watercourse St. Vrain Creek Subsurface disposal n/a Land n/a Evaporation n/a Other n/a State water quality classification of receiving watercourse(s) Class 2 Proposed Effluent Limitations developed in conjunction with Planning and Standards Section, WQCD: BOD 30 mg/1 SS 75 mg/1 Fecal Coliform 2.000 /100 Total Residual Chlorine n/a mg/1 Ammonia 43 mg/1 Other ph 6 5 to 5. Will a State or Federal grant be sought to finance any portion of this project? 1 6. Present zoning of site area? Agriculture Zoning with a 1-mile radius of site? Agriculture 7. What is the distance downstream from the discharge to the nearest domestic water supply intake? None known (Name of Supply) (Address of Supply) What is the distance downstream from the discharge to the nearest other point of diversion? None known on St. Vra io reel (Name r) Approximately 8 miles to confluence with South Platte River (Address of User) -1- WQCD-3 (Revised 8-83) 861172 8. Who has the responsibility for operating the proposed facility? St. Vrain Sanitation District 9. Who owns the land upon which the facility will be constructed? St. Vrain Sanitation District (contract to buy) (Please attach copies of the document creating authority in the applicant construct the proposed facility at this site.) 10: Estimated project cost: $950,000.00 Who is financially responsible for the construction and operation of the facility; St. Vrain Sanitation District 11. Names and addresses of all water and/or sanitation districts within 5 miles • downstream of proposed wastewater treatment facility site. None (Attach a separate sheet of paper if necessary.) 12. Is the facility in a 100 year flood plain or other natural hazard area? No If so, what precautions are being taken? Has the flood plain been designated by the Colorado Water Conservation Board, Department of Natural Resources or other Agency? Army Corp. of Engineers (Agency Name) If so, what is that designation? 4802.7 feet mean sea level 13. Please include all additional factors that might help the Water Quality Control Division make an informed decision on your application for site approval. Site is isolated from all current development and from any potential development for many years. Regionally located to accept gravity sewage from large area of existing and potential development. (See Exhibit No. 2 attached) B. I Information regarding lift stations: Not applicable this application. 1. The proposed lift station when fully developed will generate the following addition load: Peak Hydraulic (MOD) P.E. to be served 2. Is the site located in a 100 year flood plain? If yes, on a separate sheet of paper describe the protective measures to be taken. 3. Describe emergency system in case of station and/or power failure. 4. Name and address of facility providing treatment: 5. The proposed lift station when fully developed will increase the loading of the treatment plant to % of hydraulic and % of organic capacity and agrees to treat thic. wastewater? Yes No (Treatment Agency) `n2 Li gr,ac '� �• i��h1 ty�Q ,s d Signature and Title -2- Q"''1.I_") WQCD-3 (Revised 8-83) C. If the facility will be located on or adjacent to a site that is owned or managed by a Federal or State agency, send the agency a copy of this application. D. Recommendation of governmental authorities: Please address the following issues in your recommendation decision. Are the proposed facilities consistent with the comprehensive plan and any other plans for the area, including the 201 Facility Plan or 208 Water Quality Management Plan, as they affect water quality? If you have any further comments or questions, please call 320-8333, Extension 5272. Recommend Recommend No pate Approval Disapproval Comment Signature of Representative b,trite- 1. ‘1/13)(I, 7` �l�r r•r 4 Ga4-x � QrGstC 4.agtMent Agency 2. el Local Government: Cities or Towns (If site is inside boundary or within three miles) and Sanitation Districts. 3. �Beard u C mm ss oners 4. /a-21-h CA1(4 Local,Hfa_t Aut o rty 5. A-)-V-A / K!/t o s s Ci /Coun y ing Authority ouncif fr G vernmenCs/Rggional Planning 7. C7fett -'sr.4?did State Geologist (For lift stations, the signature of the State Geologist is not required. Applications for treatment plants require all signatures.) I certify that I am familiar with the requirements of the "Regulations for Site Applications For pomestic Wastewater Treatment Works," and have posted the site in accordance with the regulations. An engineering report, as described by the regulations, has been prepared and is enclosed. ST. 'RAIN SANITATION DISTRICT DATE lel WallaceuI (6 By: 1,Ac- (A GC?c._�-- H Grant Signature of Applicant TYPED NAME • -3- WQCD-3 (Revised 8-83) ATTACHMENT TO SITE APPLICATION In accordance with C.R.S. 1981, 25-8-702 (2)(a), (b), and (c), and the "Regulations for Site Applications for Domestic Wastewater Treatment Works", the Water Quality Control Division must determine that each site location is consistent with the longrange, comprehensive planning fox the area in which it is to be located, that the plant on the proposed site will be managed to minimize the potential adverse impacts on water quality, and must encourage the consolidation of wastewater treatment works whenever feasible. In making this determination, the Division requires each applicant for a site approval for a domestic wastewater treatment works to supply an engineering report describing the project and showing the applicant's capabilities to manage and operate the faility over the life of the project to determine the potential adverse impacts on water quality. The report shall be considered the culmination of the planning process and as a minimum shall address the following: Service area definition including existing population and population projections, flow/loading projections, and relationship to other water and wastewater treatment plants in the area. Proposed effluent limitations as developed in coordination with the Planning and Standards Section of the Division. (Allow minimum four weeks processing time.) Analysis of existing facilities including performance of those facilities. Analysis of treatment alternatives considered. Mood plain and natural hazard analysis. Detailed description of selected alternatives including legal description of the site, treatment system description, design capacities, and operational staffing needs. Legal arrangements showing control of site for the project life. Institutional arrangements such as contract and/or covenant terms for all users which will be finalized to accomplished acceptable waste treatment. Management capabilities for controlling the wastewater throughout and treatment within the capacity limitations of the proposed treatment works, i.e. , user contracts, operating agreements, pretreatment requirements. Financial system which has been developed to provide for necessary capital and continued operation, maintenance, and replacement through the life of the project. This would include, for example, anticipated fee structure. Implementation plan and schedule including estimated construction time and estimated start-up date. Depending on the proposed project, some of the above items may not be applicable to address. In such cases, simply indicate on the application form the non applicability of those. -4- L . WQCD-3 (Revised 8-83) r n r r r �- ST. VRAIN SANITATION DISTRICT WELD COUNTY, COLORADO r r WASTEWATER TREATMENT FACILITY Attachment to Site Application r r r r r r OCTOBER. 1986 r r PREPARED BY: NELSON ENGINEERS GREELEY. COLORADO r COLORADODEPARTMENTOFHEALTH PM Water Quality Control Division 4210 East 11th Avenue Denver, Colorado 80220 APPLICATION FOR SITE APPROVAL FOR CONSTRUCTION OR EXPANSION OF: ' A) DOMESTIC WASTEWATER TREATMENT WORKS (INCLUDING TREATMENT PLANTS, OUTFALL SEWERS, AND LIFT STATIONS) OVER 2,000 GPD CAPACITY. B) INTERCEPTORS (IF REQUIRED BY C.R.S. 25-8-702 (3)) APPLICANT: St.'vrain Sanitation District MP ADDRESS:c/o Grant Bernard & Ivons P o Row e7R, lerve,nt to 80SC ONE: (303) 776-9900 Consulting Engineer's Name and Address: Nelson Engineers 822 7th Street, Suite 520, Greeley, Colorado 80631 PHONE: (101) 156-6162 r— A. Summary of information regarding new sewage treatment plant: • 1. Proposed Location: (Legal Description) NW 1/4, . SE 1/4, Section 31 Township 3 N , Range 67W , Weld County. 2. Type and capacity of treatment facility proposed: Processes Used aerated pond system - 0.5 mgd Hydraulic 500,000 Organic 1.000 gal/day lbs. B0D5/day Present PE.1.774 Design PE S 000 S Domestic )nn % Industrial 0 3. Location of facility: Attach a map of the area which includes the following: • ... (a) 5-mile radius: all sewage treatment plants, lift stations, and domestic water supply intakes. (b) 1-mile radius: habitable buildings, location of potable water wells, and PM an approximate indication of the topography. 4. Effluent disposal: Surface discharge to watercourse St. Vrafn Creek Subsurface disposal n/a Land n/a Evaporation n/a Other n/a State water quality classification of receiving watercourse(s) Class 2 Proposed Effluent Limitations developed in conjunction with Planning and Standards .� Section, WQCD: BOD5 30 mg/1 SS 75 mg/1 Fecal Coliform 2,000 /100 ml Total Residual Chlorine n/a .mg/1 Ammonia 43 mg/1 Other Ph 6 5 to q 0 5. Will a State or Federal grant be sought to finance any portion of this project? No 6. Present zoning of site area? Agriculture WM Zoning with a 1—mile radius of site? Agriculture 7. What is the distance downstream from the discharge to the nearest domestic water supply intake? None known (Name of Supply) (Address of Supply) • What is the distance downstream from the discharge to the nearest other point of diversion? None known on St. Vrafn Creek (Name of User) Approximately 8 miles to confluence with South Platte River — (Address of User) -1- WQCD-3 (Revised 8-83) r'1 • 8. Who has the responsibility for operating the proposed facility? mm St. Vrain Sanitation District 9. Who owns the land upon which the facility will be constructed? St. Vrain Sanitation District (contract to buy) .p (Please attach copies of the document creating authority in the applicant to construct the proposed facility at this site.) 10: Estimated project cost: 5950,000.00 Who is financially responsible for the construction and operation of the facility? ... St. Vrain Sanitation District U. Names and addresses of all water and/or sanitation districts within 5 miles downstream of proposed wastewater treatment facility site. None r. .+ (Attach a separate sheet of paper it necessary.) 12. Is the facility in a 100 year flood plain or other natural hazard area? No If so, what precautions are being taken? Pm Has the flood plain been designated by the Colorado Water Conservation Hoard, Department of Natural Resources or other Agency? Army Corp. of Engineers pm (Agency Name) If po, what is that designation? 4802.7 feet mean sea level 13. Please include all additional factors that might help the Water Quality Control Division make an informed decision on your application for site approval. Wo Site is isolated from all current development and from any potential development for many years. Regionally located to accept gravity sewage from large area of existing and potential development. (See Exhibit No. 2 attached) pm B. Information regarding lift stations: Not applicable this application. 1. The proposed lift station when fully developed will generate the following additional load: Peak Hydraulic (HCD) P.E. to be served mm 2. Is the site located in a 100 year flood plain? If yes, on a separate sheet of paper describe the protective measures to be taken. 3. Describe emergency system in case of station and/or power failure. r 4. Name and address of facility providing treatment: 5. The proposed lift station when fully developed will increase the loading of the treatment plant to % of hydraulic and _I of organic capacity and agrees to treat this wastewater? Yea No (Treatment Agency) p. 10/2.1-11E, Y crier Res,l,ryr/G-+raiw,n,J Dategmture and Title P. -2- Pm WQCD-3 (Revised 8-83) rc_,1, ^ `,.7 P._ . n n rgi r. C. If the facility will be located on or adjacent to a site that is owned or managed by a PMFederal or State agency, send the agency a copy of this application. • D. Recommendation of governmental authorities: Please address the following issues in your recommendation decision. Are the proposed facilities consistent with the comprehensive plan and any other plans for the area, including the 201 Facility Plan or 208 Water Quality Management Plan, as they affect water quality? If you have any further comments or questions, please call 320-8333, Extension 5272. Recommend Recommend No Pate.noroval Disaonroval Comment Signature of Representative 1. Imo • lianagament Agency 2. local Government: Cities or Towns (If . ", site is inside boundary or within three . miles) and Sanitation Districts. 3. Board of County Commissioners 4. Local Health Authority 5. City/County Planning Authority ^' 6. Council of Governments/Regional Planning 7. State Geologist P. (For lift stations, the signature of the State Geologist is not required. Applications for treatment plants require all signatures.) I certify that I am familiar with the requirements of the "Regulations for Site Applications For Domestic Wastewater Treatment Works," and have posted the site in accordance with the PM regulations. An engineering report, as described by the regulations, has been prepared and is enclosed. DATE Signature of Applicant TYPED NAME • -3- 044 WQCD-3 (Revised 8-83) T Pm 1 • Pm ATTACHMENT TO SITE APPLICATION Pm In accordance with C.R.S. 1981, 25-8-702 (2)(a), (b), and (c), and the "Regulations for Site Applications for Domestic Wastewater Treatment Works", the Water Quality Control Division must 0.. determine that each site location is consistent with the longrange, comprehensive planning for the area in which it is to be located, that the plant on the proposed site will be managed to minimize the potential adverse impacts on water quality, and must encourage the consolidation of wastewater treatment works whenever feasible. ^ In making this determination; the Division requires each applicant for a site approval for a domestic wastewater treatment works to supply an engineering report describing the project and showing the applicant's capabilities to manage and operate the faility over the life of the project to determine the potential adverse impacts on water quality. The report shall be ^ considered the culmination of the planning process and as a minimum shall address the following: Service area definition including existing population and population projections, flow/loading projections, and relationship to other water and wastewater treatment plants /MI in the area. Proposed effluent limitations as developed in coordination with the Planning and Standards Section of the Division. (Allow minimum four weeks processing time.) ^ Analysis of existing facilities including performance of those facilities. • Analysis of treatment alternatives considered. �. Good plain and natural hazard analysis. Detailed description of selected alternatives including legal description of the site, treatment system description, design capacities, and operational staffing needs. ^ Legal arrangements showing control of site for the project life. Institutional arrangements such as contract and/or covenant terms for all users which will be finalized to accomplished acceptable waste treatment. ^ Management capabilities for controlling the wastewater throughout and treatment within the capacity limitations of the proposed treatment works, i.e., user contracts, operating agreements, pretreatment requirements. ^ Financial system which has been developed to provide for necessary capital and continued operation, maintenance, and replacement through the life of the project. This would include, for example, anticipated fee structure. Implementation plan and schedule including estimated construction time and estimated ^ start-up date. Depending on the proposed project, some of the above items may not be applicable to address. In such cases, simply indicate on the application form the non applicability of those. P"" ^ PM • • Pm ^ t_ f^ :- WQCD-3 (Revised 8-83) t's"\ '1 ST. VRAIN SANITATION DISTRICT SITE APPLICATION INDEX ,. General I Location and Population II Existing Sanitary. Facilities III Soils and Ground Water III Area. Map Exhibit No. 1 Service Area Exhibit No. 2 Legal Description Exhibit No. 3 Contract to Purchase Exhibit No. 4 Population Projections Exhibit No. 5 Five Mile Radius Map Exhibit No. 6 Letter from TASD and Map Exhibit No. 7 Cost Estimate Exhibit No. 8 One Mile Radius Map Exhibit No. 9 Well Permits Exhibit No. 10 Financial Plan V Management VI Water Reuse VI Implementation Plan VI Rules and Regulations Exhibit No. 11 Donohue Report Exhibit No. 12 SITE APPLICATION REPORT FOR ST. VRAIN SANITATION DISTRICT WASTEWATER TREATMENT FACILITY General The St. Vrain Sanitation District and its Service Plan was approved by Weld County and by the District Court, with the intent to provide a complete local sanitary sewage collection and treatment system for the District boundary and Potential Service Area. The St. Vrain Sanitation Disrict(SVSD) is located approximately one and one-half miles southwest of the proposed treatment site and includes the Del Camino and surrounding area. (See Exhibits No. 1 and No. 2) This report has been prepared by Nelson Engineers in conjunction with Donohue and Associates, Inc. , for informational purposes to accompany the Colorado Department of Health "Application for Site Approval" for the St. Vrain Sanitation District wastewater treatment facility. It has been prepared to furnish all interested parties of the proposed District; Colorado Department of Health; Larimer-Weld - Regional Council of Governments; Weld County Commissioners; Health Department of Weld County; Weld County Planning Department; Colorado State Geologist; and all property owners within and in the vicinity of the St. Vrain Sanitation District with pertinent information for the evaluation of the proposed wastewater treatment facility and site. The Donohue Report will address the preliminary design, regulations, and other related matter of the treatment facility. The wastewater treatment facility proposes to discharge the effluent into the St. Vrain Creek in accordance with all local, county, state and federal regulations. Presently, there are four privately owned individual sewage systems in the St. Vrain Sanitation District, none of which are available for service by others. The systems have had a poor performance record concerning compliance with the health requirements for various reasons. In addition, there are numerous septic tanks and leach field systems contributing to the ground water degradation and pollution due to the high water table in the area. Six alternate sites have been reviewed and evaluated over the course of development of the St. Vrain Sanitation District. In reviewing availability, cost, location, service area, flood plain and more, all but the proposed site have been eliminated. The proposed site can provide all that is needed to have a well planned and developed wastewater treatment facility. As recommended in the Donohue Report, an aerated pond system will be used and will adequately fit the needs of the St. Vrain Sanitation District. — The Del Camino area and the environs is included as a unit area in the Larimer-Weld Regional Council of Governments.Water Quality Manage- ment Plan. Such designation results from the fact that the area is served readily by a common drainage basin, which facilitates the deve- lopment of a sewerage system. The LWRCOG staff states that the 208 Areawide Water Quality. Management Plan is presently being revised and that the St. Vrain Sanitation District providing sewage service for the "Del Camino" area would fit into that revision. The LWRCOG recognizes a need for public sewer in the area as a result of the extreme pressure for development there. The LWRCOG also recognizes that sewerage service is not readily available from any existing entity because of either distance, topography, or both, and the resultant high cost of service. There have been many recent changes in the St. Vrain Sanitation District area which result in extensive pressure. for development. All services are available except public sewer facilities. The St. Vrain Sanitation District area is recognized as needing sanitation facilities to provide for that desired development. The purpose of this site application is to solve the existing sanitation problems, to eliminate proliferation of small wastewater treatment facilities and to allow for development in a controlled manner. Location and Population The proposed wastewater treatment facility site is 25 acres and located in the Northwest 1/4 of the Southeast 1/4 of Section 31, Town- ship 3 North, Range 67 West of the 6th P.M. , Weld County, Colorado. .. (See Exhibit No. 3 ) The St. Vrain Sanitation.. District presently, has a contract to buy the proposed site. (See Exhibit No. 4) The proposed area for initial development and SVSD boundary are shown on Exhibit No. 1. The District encompases 2,110 acres, more or less, with its primary contributors located within the Del Camino area. After a count of existing units, both residential and otherwise, within - the SVSD boundaries, a present population equivalent of 1,774 is estimated. Based on an extensive study of growth trends and land use in the North Denver/Weld County Area, the population equivalent growth projections are shown in Exhibit No. 5. These projections are used for design of the facilities and used to establish project feasibility. .. 7 . " n r'1 Existing Sanitary Sewer Service Presently there are no sewage treatment facilities downstream of the proposed sewage treatment site that can be feasible used by the SVSD for sewage treatment. The Tri Area Sanitation District (TASD) , however, is an existing sewage treatment facility within a 5 mile radius of the site, but it is at an elevation considerably higher than the SVSD service area. (See Exhibit No. 6 )_ . Attached is. a letter from the Tri Area Sanitation District (TASD) , which is approximately 3 1/2 miles south from the nearest. SVSD. sewer. line. (See. Exhibit 7 ) . The TASD wastewater treatment facility presently discharges its' effluent into a ditch, which eventually drains into. the St. Vrain Creek. The use of the TASD treatment facility by the SVSD is not economically feasible since, 1) the TASD facility does not havethe capacity to serve the SVSD service area; 2 ) the TASD facility is approximately .. 150' ± higher in elevation than SVSD , and as stated earlier; 3 ) the TASD is 3 1/2 miles from the nearest SVSD sewer line. The cost for such a connection is far greater than the cost of a new treatment facility. A cost estimate for connecting to the TASD wastewater treatment facility is shown in Exhibit No. 8. Other permittees discharging into the St. Vrain River are Longmont and Lyons. The Longmont wastewater treatment facility is approximately 11± miles upstream of the proposed SVSD site, while the Lyon' s treatment facility is 20± miles upstream. The proposed SVSD treatment facility should have no effect on these existing facilities. Soils and Water The proposed site under investigation consists of flat river bottom, flood area and agricultural land located on the south side of the St. Vrain Creek. Areas that are similar and near to the proposed site have been tested by means of test borings, and engineering evaluation. It is anticipated that the proposed site will generally have the same soil characteristics. The following is a summary of the — anticipated soil conditions of the proposed site in order of increasing depths: (1) Silty Topsoil and Fill: The majority of the area is antici- pated to be overlain by a six (6" ) to twelve (12") inch layer of silty topsoil. The topsoil is penetrated by root growth and organic matter. (2 ) Sandy Silty Clay: This stratum is anticipated to be below the topsoil and extends to the gravel stratum below. The silty clay is plastic, and contains varying amounts of sand. �" ( III) r"1 r1 (3 ) Sand, Gravel, and Cobbles : This stratum is below the top- soil and upper sands and clays at depths one (1' ) to thirty (30 ' ) feet below the surface and extends to the bedrock below. In general, the gravel stratum is composed of hard, durable fragments of igneous and metamorphic rock. (5 ) Siltstone-Claystone Bedrock: The bedrock is anticipated to be below the gravel stratum in excess of thirty (30! ) feet below the surface and extends to greater depths. (6) Groundwater: Free groundwater is anticipated to be at depths of one (1' ) to ten (10 ' ) feet below the surface. Water levels - in this area are subject to change due to seasonal variations and fluctuations in the volume and flow of the St. Vrain Creek. The aquifer for drinking water is approximately 400' below the surface at. a gradient parallel to the St. Vrain Creek. A map and list of drinking well permits within 1 mile of the proposed site are shown in Exhibits No. 9 and No. 10. There is no known domestic drinking water source diversion down gradient from the proposed discharge. Prior to actual design and construction of the wastewater treat- ment facility, an extensive soil investigation and evaluation will be conducted. r ( Iv) i eTh 1 z k r • tillP -71. 7 rr- _. a . . , , , ,,, c\ T..„-, .. ,,,, -....-:„. . N -b----- , . •a ‘-).ra° I ' C-- . � r i C\''1074,0,., �� :d 3^c 3r • er ) . Fniette.,,,,,., ,.,..._ - ,, . .'I� / 1�},yyj 4 �t � t _ . .. . telt_Li 0. . ,,. Lic:•., ...,,,,. -..,v,,,./. i. at an �..� l` 214. ! , ter P v44, • J t v qq� �: , i, fi `,,,;•w ��ff- 3' _,_„9 z Q.V �F — _ _ rk ; , 3 x sqy J�f1�>p ^r1�1 / 4r•\ ( \ I p, il�¢, � .t. - � � e ,6, t ^ �. I I ow, / • 2 Y t it l t ' tjt °p''` .",` 2 EXHIBIT NO. . T° er R- tentia/ Service Area '\ ^ghland • Lake Marie • _____ - Drainage Basin ll ..�- \ • ake Thom Vii ' 1 • \ l T i �� !.:;‘,..:::::::.;;;;::,.:.,-:;,:i.,.;:4.:,.. ..,:.2 „.. ( r (1488) `• \ N '$ • { iulr• (n H f'1 1'. ,rr r!:.;.‘r-c-,--.F.-.1,::“.-..l - r 1 eS Z. — r f I .jr.} 1y .�< V s j 1 r �r Sc r11_".tt it .fhli. aR.�� f �ryv. _"\ t T t-4: St} R r 1).:> ' i • • 1li• lJ a a S!, t a.'/.Pil t` 1 R♦ J ad.gl �J J(11. l'yt,'9• }1 ig ♦ F 1 '1".•:."1".0.1,:•.,• o . 5034 Hasrr• r 1 p1....; t (✓ r r .r. , v „� /r. >s ,..;45:”...:-r .Nav•,..' (/535)G ,':,,,..c,•=4.1 t1J[' x412?. f t. 1 .;"•• t. ( ,,t,:r.-,:.•1y }r51 4s ii g x t L J r l t { r $ S i .�• 15 5000( 1 4 n J•:• ♦ JYa , r •4;••2:4,•••••"-rJtP♦ .tiJ .`ii 5. t , 't c :• ) a ''c r f J s \ l ,y. ,N/-:.15n,•;.•:4•r Sta.". 1- M ..J I• �,�..ir t •;11Z r •(•••:".• 41 •••• ••1 'I > r< cp i�. � ,st.X•}r" t 'a "Otitai "!Mi } ! r , •r O ��tt \pq ` [y Y Ia1 JJ'• , r r, ',• ) : ttr+. i yJr °%i 9 ,./4,-,t,,.;YI Ar, ii"t'YCS`i:q! A. • 3 salt&V 41* _i. vM1 , t ; t., 1 • '4 A•• s 9...t„.4 VS ,�j, a Gt V?• i litVJl-er. .."-v4'.by: !'_ . r -fir f• Y - > i '{ t,w Z% tc}fp,v +}VwJ`tiE+..4828 t J} l 1.''X;.;:.. t .,:•,•.;21;51•,.: J ..1.%:. . I5ty'J}4r1 e+ _^-✓(14721 '-.9 ( y .• { R ! 1Fnfa n 77'Y d .. ♦ •�"t 1.�`� •if. x � 1 ` f J +,a1J 171"943/;.44.;4; JID 4 ('/',₹ rr ! ' ? as� r s t y a a . zr.. ,,�^/ c'-5. l ' � U 1*+' i, sn,\t•. _4850•____•____._ } iC:r ,( f 1 a� rr • O 3U a % -Ai,;-‘,:.-4:-..:.,•-•.,',.K i\ JJ + " st t`t! ,„ t r• z�.i r r a `-I \<}SS ^ 31 Aj t0 • 43 . . / Al• s f tJ t o i/}il r it h F,v •J t Ct it8 %, R I> la /. .4. •. •-..,I.,--.<4...;‘,,,,,,,� ! 2 7 ♦ c t r rty '41 •t ..i.••'.‘ : a IC! ltr i° - %tiY '��v C. Q 1 !! •1 Cie' JY}{tr}at�5�J= ty >1 .,,:;*••;:q.•:. 1 tV ` +• • ,t"., , r r} t re <�`;, V - • karate ' x Rl . t J l� S -...-1::::a. / .� ,! 4915 '� - ,-j..•.s.^�",i I "'C, ll t. .i Pas w'1 Crt. �' r 4G (1498! �' .1y • t/y�' > 3 tt r dY ? t C r R tr. <ti i,, t� S� S -0 I A SF .4.•:(:<,..".; O.. V t • 1�ti?ttfrF lsYt}.lif ♦ \� . D r+. IL �≥ yt .C. rY 'r .t/�" ^•s ••r r e51 y3 •t WrY • 1 t x�r �, al ib 0- -rt fa�' r ..ti..t •i • 1Y KT.,.�,' lJ�S f Y T• t r '� k tl a�F Q ?1 } I' r•!•1^ f yM i t • ft r•'h Al\ :Yr�`i 1•:'` rii J • $ R i •, t - • { q + Y "4 ai:4111.•:%"•• 0 ;� i t •l 1•i i'r 1 . l,�ep 37"ia+AaI '±S; ,J�' lxrl stye[ rJ>+. ,I N. Y.f S '} t l (iF . i 1illi t IJ� i 1`Yyfit! Y ljt J �fl 7,45.7...g l J+�.�N.-� ,4 . t r r 4:6; r c DITCH `6 tr' I llt V 1 J t C 1 r� "r TT i :�}1 + 5•>,�3Jtt r J t '.J.��>4i •:°t rr. Y?T Xf. ; V /` ! ,t -.se.?> A I'a�'4: a fF•yt thhr 4 t �... ` y, oft!P> .t''Yrt"'.t. 1 N rt.J, r r7 t r3- ' • r� h lcs,- y 'e •tn r •rd t ,FeS1r 'a 4st iRti19sT6S one.4 f.. /Ql,Rt. �'f i 1-0A21 `xt ',25.7....44. , t '3 s•• t Se y ,: i . +i �l > 1t1. rataY Jai �'} 444 11=iv :t Ia a tt 1. p.'; Pr'- t�.aJ• r r. 5,} J b.p t a 1 / SjJL�LI_vq •3td,',..1 y,-.w 1 r•y EXHIBIT N0.2 r" LEGAL DESCRIPTION ST. VRAIN SANITATION DISTRICT SEWAGE TREATMENT SITE PROJECT NO. 6014 A TRACT OF LAND IN THE WEST 1/2 OF THE EAST 1/2 OF SECTION 31, TOWNSHIP 3 NORTH, RANGE 67 WEST OF THE 6TH P.M. , WELD COUNTY, .. COLORADO, AND SAID TRACT BEING MORE PARTICULARLY. DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHEAST CORNER OF SAID SECTION 31, AND CONSIDERING THE SOUTH LINE OF SAID SECTION TO BEAR NORTH 89°36 ' 52" WEST WITH ALL OTHER BEARINGS CONTAINED HEREIN BEING RELATIVE THERETO; THENCE NORTH 89°36 '52" WEST, 1327 . 45 FEET; THENCE NORTH 00°00' 00" EAST, 2037 .75. FEET TO THE TRUE POINT OF '. BEGINNING; THENCE SOUTH 90°00 ' 00" WEST, 1324 .65 FEET; THENCE NORTH 00°00 ' 00" EAST, 643. 91 FEET; THENCE NORTH 75°23 ' 00" EAST, 1110 .40 FEET; THENCE NORTH 57°47 ' 00" EAST, 140. 80 FEET; THENCE NORTH 69°42' 00" EAST, 48. 80 FEET; THENCE SOUTH 78°38 ' 00" EAST, 87 . 00 FEET; THENCE SOUTH 00°00 ' 00" EAST, 998 . 97 FEET TO THE TRUE POINT OF BEGINNING. SAID TRACT OF LAND CONTAINS 25 . 000 ACRES, MORE OR LESS, AND IS SUBJECT TO ANY RIGHTS-OF-WAY OR OTHER EASEMENTS AS GRANTED OR RESERVED BY INSTRUMENTS OF RECORD OR AS NOW EXISTING ON SAID TRACT OF LAND. r a a EXHIBIT NO. 3 .. r...‘ r'1 • Tk.priat•d p•ri:...Jois w,.approved by,n. c.I.r.4.Mrs Moo.c.msis.',.,sc:Abe n TILT IS A LEGAL INSTRUMENT.IF NOT UNDERSTOOD.LEGAL,TM OR OMER COUNSEL SHOULD BE CONSULTED BEFORE SIGNING. �.1 ^, VACANT LAND CONTRACT TO 8UY AND SELL REAL ESTATE (Seller's remedy limited to Liquidated Damages) September 5. ,te 86 PM J I. The undersigned St Vrain Sanitation District, a special district theaumof$10.000.00 ,in the form at its check ,tobeheldby Purchaser broker irr brokers asrraw pr TrukTetreMalTt7 as earnest money and part payment for the following described real estatein the County of Weld Colorado,to wit: • A tract of land consisting of approximately 25 acres (more or less) being the northernmost 25 acres, of Seller's tract of land located in the E, of Section 31, 'ON, R67W, described as a parcel having an area of approximately 25 acres, together with a permanent nonexclusive easement for benefit of Purchaser over the 30-foot strip commencing on the East boundary and running directly South to Weld County Road 26, as shown on the attached Exhibit A. (A surveyed metes and bounds description shall be added as Exhibit B within thirty days of the date of acceptance by Seller of this Contract. Purchaser shall bear the cost and expense of said survey which shall be certified in favor of Purchaser, Seller, and title insuror.) together with all easements and rights of way appurtenant thereto,all improvements thereon and all fixtures of a permanent nature currently on the premises except as hereinafter provided,In their present condition,ordinary wear and tear excepted,and hereinafter called the Property. 2. Subject to the provisions of paragraph 17,theunderslgnedpeMOTtll St. Vrain Sanitation District (4I JOIRCnTnRBTERdlitl TrdbTiMtnn,hereinafter called Purchaser,hereby agrees to buy the Property,and the undersigned owner(s),hereinafter called Seller,hereby w sell the Property upon the terms and conditions stated herein. 9r i'hepvMmaepriceshaH be t`.3.; 'psyaDle'asTmteMri tTe5ggyrreee.jsCetTar; 3. The purchase price shall be U.S. $5,000.00 per acre, as determined by the survey required above, payable as follows: 510,000.00 hereby receipted for; 7.tsl%d balance, as adjusted by customary closing costs and prorations, to be paid sr*? by Purchaser in the form of a check at closing on or before danuauy 1, 1907; oe .alciv.fL. provided that in the event that closing occurs after January 1, 1987 the S 'a J h_ purchase price as determined above shall be increased by the amount 54500.00 1> j• 0etem6ar- ]l IS 4 oo r sir . S5-- • gyp•^4 �� > r ij !I 4. Price to include: all appurtenant water rights therein including proportionate shar s of stock in the Last Chance Ditch Company based upon a ratio of the parcel pur- andthemuowingwaterrighte:chased and the Seller's remaining 60-acre parcel. Seller ^, reserves all oil and gas rights but agrees that the deed shall recite that such reservation does not include gravel rights or the right to enter upon the land conveyed for the mining and/or removal of oil and gas rights reserved by Seller' 5-k.rna�-brtn;:rto be obtai.ivdLsi4rclnrarfronruthtrttraer,PordIntlerretO15 tbTi7SnSpfly gnd'diTIEFITt y(aJ e,{.Pt.4.e.twk4e.mtib.i a Net-the olidoute ntrand-furnehatlinformatioa anddormnmtgreilnTMI LWIRFRHaer ind r to.pay♦heeos,vwew'yeeete eFobtsinhiNaecb loanr'Plrerriesueblosmis no lrpprovbdener t4TTrd --__Jae Lrso approaedLuAaw.Lnvai WWe atNme,Feleaing,ihk<entreetshaa beneltamkruld ordgitpeynrelltggad' £Maws uL aivauseucd.laarau odor-shall be ratapaedtedtaeehoeer. 6_Vi aatemu.LvucLdeod.u.mefgage-iatebe•oaermed,Furehaser agrees-to-apply-for aimnr sn mltflmNir r :eMBITAFand-aeseaate pa.µSs loan Aron.fer4eeaottresnaedi and(2tatrhderegtYltt wLtnvxood.- ..�- -peraawum.Htbe loan-tabu aaeumed-haa provisions-for a ahsredegelty orvsNablt intetaa:ates as rauabla.paymeute.LhieeentraetAs eendiNa.edvponi4rtehxa r reviewing-amtPeontetIMIDIneh yxavisiuQs 1LthnJaador s,ceasoat tea hanoawmptienkxaeieed,ihiaconlractis vcm1itionudvponobMlainYaottr coaBeobwiALput.iwoge Lnthe tealsand<awditkarefaveleloenexeeptarhereirrprovided. '^ T. If a note is to be made payable to Seller as partial or full payment of the purchase price,this contract shall not be assignable by Purchaser without written consent of Seller. -i,CanoGnsy.appraivd larieaapurpesoetaboobtainedake..wriadate shalLbrpoidby Jana I No.SC 26-125. eoNTaALT To buy AND SELL RPAL ESTATE Meat Mad) ces R,JbN VWliN.t.NM W.et A.e.,Lammed,CO ROM—(°on Lssd9m Pro EXHIBIT NO. 74 9. An abstract of title to the Property,certified to date,or a current commitment for title insurance policy in an amount equal to the purchase price,at Seller's option and expense,shall be furnished to Purchaser on or before Spot Pmber 15. ,192.5_.If Seller elects to furnish said title insurance commitment,Seller will i n deliver the title Insurance policy to Purchaser after closing and pay the premium thereon. 10. The date of closing shall be the date for delivery of deed as provided in paragraph 11.The hour and place of II closing shall be as designated by mutual roncpnt of the parties . •I 11.Title.hail be merchantable in Seller,except as stated in this paragraph and in paragraphs 12 and 13.Subject !I to payment or tender as above provided and compliance by Purchaser with the other terms and provisions hereof, I sou Seller shall execute and deliver a good and sufficient general warranty deed to Purchaser on at closing ,i9_;er,bynnrteslagreementr atrorrtarliel-dote,-conveying the Property free and clear of all taxes,except the general taxes for the year of closing,and except _ free and clear of all liens for special improvements installed as of the date of Purchaser's signature hereon,whether pa i assessed or not;free and dear of all liens and encumbrances except IIxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx II except the following restrictive covenants which do not contain.right of reverter: none m. Lxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx and except the following specific recorded and/or apparent easements: those of record found acceptabi !to Purchaser as set forth in paragraph 19 of this Contract am• and subject to building and zoning regulations. 12. Except as stated in paragraphs 11 and 13,If title Isnot merchantable and written notice ofdefect(s){sgiven by Purchaser or Purchaser's agent to Seller or Seller's agent on or before date of closing,Seller shall use reasonable effort to correct said defect(s)prior to date of closing.If Seller is unable to correct said defeet(s)on or before date of closing,at Seller's option and upon written notice to Purchaser or Purchaser's agent on or before date of closing,the date of dosing shall be extended thirty days for the purpose of correcting said defect(s).Except as stated in paragraph • 13,If title is not rendered merchantable as provided in this paragraph 12,at Purchaser's option,this contract shall be void and of no effect and each party hereto shall be released from all obligations hereunder and all payments and things of value received hereunder shall be returned to Purchaser. Pm 13. Any encumbrance required to be paid may be paid at the time of settlement from the proceeds of this transaction or from any other source.Provided,however,at the option of either party,if the total indebtedness secured by liens on the Property exceeds the purchase price,this contract shall be void and of no effect and each party I hereto shall be released from all obligations hereunder and all payments and things of value received hereunder shall .i be returned to Purchaser. oi. ' i 14. General taxes for the year of closing,based on the most recent levy and the most recent assessment,prepaid !: rents,water rents,sewer rents.FHA mortgage insurance premiums and interest on encumbrances,if any.and Ii I; shall be apportioned to date of delivery of deed. ull 15. P ion of the Property shall be delivered to Purchaser on closing subject to the provisionsiL '', r. contained in Paragraph 19 of this Contract o I subject to the following leases or tenancies: Agricultural lease to Herman Swarts which expires ' 'January 1, 1987. Seller shall give appropriate notice of termination of the lease., 'es to this parcel. 18. In the event the Property is substantially damaged by fire,flood or other casualty between the date of this ►'a contract and the date of delivery of deed,Purchaser may elect to terminate this contract;in which case all payments and things of value received hereunder shall be returned to Purchaser. 17. Time is of the essence hereof.if any note or check received as earnest money hereunder or any other payment ! due hereunder is not paid,honored or tendered when due,or if any other obligation hereunder is not performed as it herein provided,there shall be thefollowingremedies: i! film (s) IF PURCHASER IS IN DEFAULT,then all payments and things of value received hereunder shall be j forfeited by Purchaser and retained on behalf of Seller and both parties shall thereafter be released from all II obligations hereunder.It is agreed that such payments and things of value are LIQUIDATED DAMAGES and I1 (except as provided in subparagraph(c))are the SELLER'S SOLE AND ONLY REMEDY for the Purchaser's i PM !I failure to perform the obligations of this contract.Seller expressly waives the remedies of specific performance 1 1 and additional damages.(b) IF SELLER IS IN DEFAULT,(I)Purchaser may elect to treat this contract as terminated,in which case I all payments and things of value received hereunder shall be returned to Purchaser and Purchaser may recover such damages as may be proper,or(2)Purchaser may elect to treat this contract as being in full force and effect ^ and Purchaser shall have the right to an action for specific performance or damage,,or both. (c) Anything to the contrary herein notwithstanding,in the event of any litigation prising out of this I contract,the court may award to the prevailing party all reasonable costs and expense,including attorneys'fees. . ]sir Porchases and 3 Hersglee rhutrirrtfieereireotanycontraversy-regal'difncrhexanrear monerrtFl0b9Drdleer, ..w I '-mrlessinunrartrrittaninrtrxtivnlrreceh M edby btvtenokerahaltnatire;equireutatakenrymiioneprmly9alitt ! I I-arq-mviceeding;orat'brekestapHan and discretionrmayhRerplead,m7Inmmyrmftingavf value tntnimnt>ad ant -recorereeartcasts and renertabteettorneys'Yees. Pm I Pm I I ma X17:7 r4)7 ries ''1 ' 19. Additional provisions: See attached Exhibit C PM I: a� ran ay. 20. If this proposal is accepted by Seller in writing and Purchaser receives notice of such acceptance on or before September S ,19 EE,this instrument shall become a contract between Seller and Purchaser and shall inure to the benefit of the heirs,successors and assigns of such parties,except as stated in paragraph 7. (mm S ra' i i r ardgbr r':•,n Q Date By.•e.,.. /�K ( rict� pus By: Attorney for the D Purchaser's Address ar (The following section to be completed by Seller and Listing Agent) .N-SeXererceptrrhe-abonnitapmatthir -dant ;19_;lhEitrees -topnf n'ol,nniasiorr af- RePtlrtporelmsepritr MlervlMlrtiht7tMMfetrdtrgff EMU fhiftrfh hi -roent-nkforititarc oFmpitn:rttramt Ndngs-afvaloe-raEeivedhet9nndet^M?'ybythTnfVYlnrlififfcbT4➢nR ihillb'a -divided between-listingbroker and Seenrcneehdt therm:tin eaidYrtoinr,Ynrtmmttven'tet rh'Febhnni mEffrihh'thg •'t' -balance-to Selivr. • a. S.lk, ELDON L. VON OHLEEN nn °i"er MARY SUE ON OHL N Seller's Address /.� /�/7X c/� PariP/Gn, ore/f9 Listing Brokers Name and Address 6A4 (��o ra �� e 11� �� c Qi . rc5w-tor cnc.H t,e. S f -Jots- t\, t9a6 . Uro.:N 01.54-etc-IC VeC.-� 1.. ,-IN CUCH. - 6D// NEVI; ENGINEERS no.ccr�C77.,.,/VRF/� ,Sa/J.�,�pCC._. ., . uwC t n __ °tic 7 GCCR[°BY Wrt su[cT Of .E%t of /1%y or SE.C :i I, r3/J, a. 67u Ilan Ohlat Rorer-I- , ,.; • _n 1 I I • ! ,� EXHIBIT II o .. - ( :1 fl& /I E I I l� o : va.g Ls' lq°.SE I 1 • a -. 1 ,.. w�la o i. ' I a , -7-'1' seiS + I 1 I il ' II . 1 "— __i r ' i a-- Y ' •.-.:7,�../f7 0O iJ' _ F . jr_ .._! .1 -eta . - _ ._.. .._ C ' I ^ --- 7..71211:41- :-.If I I '' - - T 1 lilt � 1 if l 1 ! LS-Id/1 10:17-7.2-i,,1 r • ,J t,I 1 /7/ I I I I j r I /%�1 1 V. 1 4 Li?C ..41/.6.I r NN / . ,i - o� O III fl.;nr / /di.00m•' , .. ._ '. r/ 1 40.901 l'._ Y!C..e. //'� .. D . 1.—_5.1..7>A4/$7e" /—/-;:).:7);; Lie o?fPnn,.1 I .......lei 'mow.' ! • /'/'9'51e Ile.e/''z>_1 . M 6:! /a 'if 79 /7.• 9.tc:..: c oo,'r• • • 0'__ -0.' 7 n EX IT K 3w p t ?r n'1}w p , A r 1 4 l 'd, r,�.+ Ji ₹ 1. t# t i . ?yr '-- -Tat' i.ns a 112V1.44c- 4,;''' y Sr ;t µ ",',/t1.0"14;71. 114111 tj .tfii ; a— 1 ' rv,. 'V.I.-'Z.,' 1 �.ratart $ar, r II t '.4a,... /mss, � 55 i a(J,ZS r� ,e f ta• ��p`'{.��y>>yJJ l✓rrt ifx.)id1rIC • . i ' x i1 I s i ti 4 }py I *n.� A ti' tF a I G �I x 7 ''� ' r C :, -'Y tz--:k7t"1 I -- - 1 f _4'1>i/11'r ►,q .i` .l i 9 r'; -4.f..-3c-i,y .A:,;4‘.-,1-7:7, i -_ _: rrt .... ..,;:r..:: :-... ..01•14."'"4,.k' {�c -�-r- te�y` ,1^ '�4,))1.it,t• irL"r a,5 ity �'` . N J r - t-� "t .- 8`r irsrt,�3n• 16.1k` r Ekfr 44� }4L�- L i 41t(t 1L'.t,eilt,Iv 13114 ir I . �t,�yS's? ;- y 'N`.C1Q'Jc�1 1 `' • -..vi 'y ,7.a .`.wrr3 fre e 8...." i rk ' '� " �asi-r ,px i-n I+s'^ .> r } ' rge +' ,„ 2 141`Ja„kle 4.; `_% �'fj ti ., �£ e v t �y d, ..r� t yl_ •�r�2 a[�S .""�Fr A •is 4.c .� �y�' .40.43:4.)•:,,,.,„, �''pf a31 -7',�t`�.,.. (- `(t tclf )L� �"�1`hit r/ is �`q ,1 s �� t 4�45a�7c. 1' j e 4 ' 1144�VV'' I ' I rwL' `' ! ^' \� Yr .:.'>~. Ocrs ;A.1" - _ . .v��y. y xw, �r r" er r ,if , "7 ,,ti� f. . ' t f S4.C'S&r ;l 3t' .;fit` [. of sr ,�{, ill • V-2:, ;-- itt�.ry ti ‘g> t‘" r SI•4 s, ql ,„,4,,,,,, k 'I�I1'r -�, R. 'mot •j F t „ r� K - y+r Y .'�k yi< j i t B I!ii,„.._} , f :'',? i'V rsi • \ tr } f 111I di ii *vN7 tbLI q roW ] 'j 5 i' 7 2 \4t t t 54 t ��( 4I�II}I'�I hf-0, ilr,`� '� '.'... I, r T J r+ 5 \, t �j 4 ill�I f I� I :LivinliPd otrr � il �� J,��.i' r u � I"tiky �..,-"lit,�'% 14 � tli �CC�III f�l�;Ill �'�:'�`�:. . a;;> , R�ir. Y'iv/ cil- .),,t-z-: AAP514- 4 . Ink I�r lll; Ivet' c fl ‘,..:;v4.$' , ' 5.gI ”C . �.Lf 7Z-7 5 L pr i l t u ✓4 ' r ti it )t 1 d . .+r'".><N I r.)t I fir Sky ta7�I ia. 'k )1 h t �t p/3a r �,�rr(a mot, r '9",: 3 +{" ) ? i ytt#�. e `- C t. { ls {{(¢y ii r1.-5 G . ' }'9 1 i' xt Ylrt,7r+t k`'! ti ,I R it , r t VQM Q� , • :� t I / iLO 'ti'S> >c�t ` i , t �J�< hS'rt � .� "r> ry 7 Fr i(5 U1 >ti c 1 r lt �1 y: t! Jj�'/ E}�y i , p(` 9. ei {ilk ' . / !(~�fs"?na,F$.. ..}. l drip: P` f_��{,y�, r .�11` h J 1 r!•••- •••t,"••14.'1%.2,44' 144 ,- �, a_tel 1.ut Ii s[�+� .G 7, ""; -rT .,n, �set K ? 1 t P ,4- � * i v y4v x A " t wit,", 4r+t' ',14 "1- t,,:-.-'• i�t l',01511•'P'' . vC 1♦ r,r✓h4 (. \` 'ir w J;bt ' i fSecfi 15 Y N n 4,; 'd1 e- l 71^y � - _�}may. ,ip 1 b '' i. i' � t•t. ',.-4,--__-, yr�1; * . t 'i`7r --Al," r c:, 2� tlf.. , r r � ' �t, ll�''v , a'FC is M`l4(' �SJk' i t1` i ,V - .a •• w� mss. t <�v�G++ yf i i'411:4;'174.4,,,,,-,art" t'" -in,.t 3 • 3 'e 'J raj, L 2 y+s��fs4,dt!`i+ .. i i li Jr' t ti .a r5'Sz"�.ct G :: 3i2r I � 1I' .fit fFF. F t S iTMt 'r� t0. --et'I fl'.'., e �5y.. + gym y�Et • I Y 1 .S l"�"'it y- le ft. ,� f t 'fi C "rela' ia4 fruLtSdr 'It ��.) ..dy4 Ske' iyyt .4, f ti' - $ y `.atr, .1 ,r'�� h �: s }y ' c rOt ic.9, l Zr ti e.., � hl•K� 5� rt.�r �� }r �t � �etiir`�v..t . n n n n n -- .^ -y r, n EXHIBIT C P• 19.1 This Contract is expressly contingent upon Purchaser obtaining the approval of (and issuance of permits/licenses by) all applicable governmental entities, agencies, and departments, for the construction of a waste ^ water sewage treatment facilities on the premises. If said approvals, licenses and permits are not obtained on or before December 31, 1986, this Contract shall be voidable by Purchaser, the earnest money deposit shall be returned to Purchaser, and all rights and obligations under this Contract ^ shall terminate , except for the provisions of 19.2(b) and 19.13 relating to Purchasers indemnification of Seller. The Contract may be extended for two 90-day periods subsequent to December 31, 1986, upon a non-refundable payment of $500.00 ^ to Seller by Purchaser. If the closing is held, the $500.00 shall be applied to the purchase price. If the closing is not held, Seller may retain such sums paid pursuant to this paragraph. ^ 19.2 This Contract is further contingent upon: (a) Within 60 days of receipt of title commitment, Purchaser's verification and approval of all ^ easements, rights of way, licenses and any other right or grant of rights which may affect Purchaser's intended use of the property; and (b) Purchaser's approval of the results of .� any soil tests, drainage studies, etc. which shall be conducted at Purchaser's sole cost and expense, said tests and reports to be conducted and completed within 60 days of Contract's acceptance. Purchaser shall indemnify and hold Seller harmless from any and all losses or claims resulting ^ from said reports, studies and investigations made at Purchaser's direction/request by any third party, including but not limited to liens of mechanics, architects, surveyors, etc. P• (c) In the event of disapproval, Purchaser shall give Seller written notice thereof stating the reasons with particularity. Seller shall be allowed a period of 45 days in which to cure or remedy the deficiency or unsatis- factory condition. If, at the conclusion of the 45-day period, Seller has not, or is unable to, cure or remedy such deficiency or condition, this Contract shall be voidable by Purchaser, and in such event the earnest money shall be ^ returned to Purchaser, and all rights and obligations under this Contract shall terminate. Except for the provisions of 19.2(b) to 19.13 relating to Purchaser's indemnification of Seller. ^ 19.3 To Seller's best information, knowledge and belief, with respect to the subject property, there are no 1.1° cured violations of federal, state or county ordinances or requirements outstanding and there are no tenancies, leases or other occupancies of the subject property other than those disclosed to Purchaser in writing in this Contract. 19.4 Until date of closing, Seller or Seller's lessee may continue to farm the subject property. After ^ closing, Seller or Seller's lessee may harvest any crops remaining to be harvested; provided, however, that Seller's farming operations shall not interfere with Purchaser's construction and operational activities on the premises. 0 • ►m Pm 19.5 Closing shall be held within 30 days after rft notification to Seller of the satisfaction or waiver of all contingencies. 19.6 Purchaser is a governmental entity governed by a Board of Directors. The Board has authorized the negotia- - tion of this Contract but final acceptance is contingent upon formal Board approval of all negotiated items. 19.7 Purchaser acknowledges that Seller will retain the remaining 60 acres for agricultural uses which will require irrigation and that historically the waste water from. that irrigation runs across these 25 acres. Therefore, it shall be solely Purchaser's obligation to take such steps as it deems necessary to prevent damage as may occur due to normal drainage from Seller's irrigation. Purchaser expressly releases Seller from any liability for damages caused by such normal irrigation. 19.8 Purchaser, being the St. Vrain Sanitation District, as part of the consideration hereunder, does waive any inclusion or annexation fees that may be imposed on the inclusion or annexation of Seller's remaining 60 acres, as shown on the attached Exhibit A. Seller shall remain pm responsible for any normal processing fees. 19.9 Purchaser agrees to assume all the costs incurred and the responsibility for complying with all the governmental applications and permits required, including but not limited to, subdivision platting and zoning permits. 19.10 The parties agree the deed shall profide that in the event a party hereto shall desire to relocate the .� access road that is the subject of the non-exclusive easement described in paragraph 1 above, the party requesting such relocation shall bear all the cost and expense related thereto. 19.11 Within the access easement, Purchaser shall be entitled to locate its sewer lines. In the event the access easement is relocated, the underground lines shall remain within the original easement and will not be required to be relocated. 19.12 Purchaser shall be responsible for the costs of improvement and maintaining the access road. In the event Seller or Seller's assigns utilize the access roads for Pm non-agricultural purposes (including, but not limited to, uses related to sand and/or gravel extraction), maintenance costs shall be shared equally between users. pm 19.13 After the execution of this Contract by all parties, and prior to closing, the Purchaser, its agents, employees and consultants, shall have the right of access to the property for the purposes of inspection, testing and the gathering of data to be used in connection with its Pm feasibility studies and proposed use of the property, such use to be subject to the Purchaser's agreement to indemnify and hold the Seller harmless from any and all losses or claims resulting from its access to and use of the property, r, as set forth in paragraph 19.2(b). 19.14 The determination of water shares due to Purchaser under paragraph 4 shall depend on the Ditch Company's share division, so that any fraction of a share ►M that cannot be transferred by certificate shall remain the property of the Seller. Pm -2- Pm n n Pm 19.15 Purchaser acknowledges that Seller may lease or sell his remaining 60 (+ or -) acres in Section 31, T3N, Mm R67W for sand and/or gravel extraction, that it has no objection to Seller's intended use of the remaining parcel and shall not pose any objection to such intended use with any regulatory governmental entity or agency. Pm 19.16 Seller shall not be responsible for any broker's fee, finder's fee or real estate sales commission of any kind. �� Pm 19.17 Each party shall bar their respective attorneys' fees and costs incurred in this transaction. pm PP Pm Pm PM Pm • PO Pm Pm PM • - PM n .. ST. VRAIN SANITATION DISTRICT R E. GROWTH PROJECT/OA/ 20,000 19,074 -co'p /5,000 /4341 1 /4,290 G. p4 at //,s/7 4) /0,000 .(Ot 9840 X 83/2 C•0, 7908 4 5,000 5488 5775 En. /774 3742 eteidential 3509 4529 � • 4,784 2537 /7/0 /746 0 /985 /990 - /995 2000 2005 U/f/mate Year r EXHIBJT IVC 5 \ . �' f_vE X7277—P1Tc.��/ + it ro r pDenr C © 1♦�J11 _ Iffy ¢ G / \ �' use:. - ...� 9-- S ‘,f) - •,(147 ) NILGSBORO ' ( I. ,,,,,,.3,/ J �5 A V�\� pp- 'ti r iT , -�"'��- , 1 r HHrotJrrrd - ildcat a� `0 � O O CutterCutter ` $r. al EST ERN --� � j I� I _ '9x !M:- " .,La n urn , :`� wow ci Res+� Marka . 1 .. m v Do A 'I RCN I .a h man 'a. ta�. H� . ) ' C I`far.1%Li _� (151 pi. !' ' J,. 'tdk r� ,o To et ke r Y _.e I r� D ighland L� v " r Palo/ . a r .., ake Martin lk•�(ad 'raR� .R1r aaef ..• �". ... V - �-7 a � -. "- 1 w1 ✓. g (14611 Q I :I 0 akeT s { \N • © BM 49 >+ Libe J • 5 Gowan&us k P O : F tes • Q V a / i i 1 e ?I n� • healer 'j 1...+•.�. BIrkW -+. I P - _i//� fad! .. lrest e CR1A . ® ,' a s A •`O 4`4 -..®e r•ik C. 1 - QP 1 . I r ../.r Y/ ' Ia .wee t ea° e I C it: 1 J$ I e °4 I + - ' I � ? Q • �eT \ o .s A I a. ro ,1 t u. I ... l' — .011 b ~; .i Cli / (15 fall\- ' ``� A 4 BM 9 � e 1 e.--j 4sm4jr a ''1 oy b Q% `.l.re 'Bea 0?-1 � irea uxe fq?\L6 -,9.5Y'S I •nl. o ots Saud Lake \ SH.ACemg 6d v)N �Ii'!c I!t:IiM 1 F o: rio Towne ^,( 1t . arr red. ick , �I � I RJ Je o lamb DITCH O \0, tEr na ( A0 \- aP� P fir' ' b 1 Sew... Div and e� Plumb. ¢� _ _ y04. I ... PYNGaN'�.�...� � I �\ no N�EY s � � J+� ( ( �. EXHIBIT N0. 6 �- ,. r�� Y ^ r*NCL{Vt',L7 i'f19Y r r i500 ,. Weld County Tri-urea Sanitation District 60(1 OFFICE: 2:3-5th streeet P.O. Box 213, Frederick, Colo. 80530 HOURS: Thursday & Friday 11:00AM - 4:00Phi TELEPHONE: 833.2971 May 23, 1986 Nelson Engineers ,- 822-7th St. Greeley, CO 80631 ATTN: Glenda Cazer Dear Ms. Cazer: RE: Your letter of May 15, 1986 St. Vrain Sanitation District ,- Enclosed please find a copy of our service area map as you requested. I have also indicated the plant area. The District has no lines outside of the boundaries of the District. The feasibility of providing service to the St. Vrain Sanitation District's service area is very remote at -. this time, since the Tri-Area plant is not designed to carry the load that would be required if it was to serve any area to the north of the plant. Also there would be need for lift-stations, etc. , since the r present service area is all on natural drainage and flow plan. ^ If you have any further questions, please contact me. Respectfully, Weld County Tri-Area Sanitation District, — Beulah Meeker, clerk enc • EXHIBIT NO. 7 lw 2 • i -_�„k�,_,t „ u-. R-EgZIvEp MAY iss • .�� ( Ste ._ / 9 1,4 'P ° �. / 4 /` /. l n• <m 119 ( ` [ 'V I { 'J~ '� 4 I, 1 r<98 •,� Gravel \f _r o I. .A i �, i .PitV�A %l RIDGE I °�` 10 • ,11 -�I- / I'' 1 7 0 8 . -��^ , - \. :I 10• . . . M _. \ II. - 917u9i , I . / tP, 15 � (I I •I• �� ` �•, 17 ��(/ f��L �� 15 g 14 �. , • •• �• _ -rte‘ L - cell \ 55,°4.1 OF r °�J' \ e' • TASD Treatment Plant �� ,.� ' 3 /�/ - ill IYPi� -ie �III ��n i 20, .� �o Ta 2:Ftom 0I ake . x 49<9 ` emOeeaY08 'a o— II _'./ S II ). i .; I) .-�'T- I - f�__ .5007 o I o 'i IF /i • t • toned`_ �. isps', — 26 ! 25 �� j - t t i—_+�---� ® \. 7 �� I! 1 �II.� E .IE n9pe ' : i ' rape* g h �S�/ I • 1 r ter.a. \ oilWell I. . c; 04 Wells • r � r . 1 ) . •� x'34 -.35 -/`� a�6 - �i �.' s . 3 . _ 3 , r I P �� Radb, . 1• : o i.. L Will o- j lb s �••.i . �j 5 �!... Dae l Rankin) i . <9 4 mp ss . ! ono : rl _'� / i y 51 n p / _k_, . ) (Th r,1 ? 1 . • /Et' 2l\ , I 1 •I a 'rTRI AREA /�! sw // . 0e ,,. ' / , 11 / 1 SANITATION DISTRICT . / )� 9 14 =- ' 1t • /J �., �1<., 1�,. _ tl �, CI I(/'T/m. 4 5. l ea A 1 i EXHIBIT NO. 7 15 14' -�, 1 ,._18 s els `. .. -National i - to r'1 r Cost Estimate for Connecting to the Existing "Tri-Area Sanitation District" Item Estimated Unit Estimated No. Description Quantity Units Price Cost 1. 12" PVC Force Main 18,480 1.f. 17.00 314,160 2. Pump Station 1 each 250,000.00 250,000 3. Road Crossing 4 each 5,000.00 20,000 4. Plant Expansion 1 1. s. 600,000.00 600,000 Subtotal $1,184,160 Engineering, Testing, Surveying, Inspections, Etc. - 15% 177,624 Rights-of-Way, Easements, Contingencies, and Miscellaneous - 10% 118,416 Total $1,480,200 r r EXHIBIT NO. 8 \i 'iN5 4 /, 1 5° ° i1 \Th <e5o }�r' a�a� Y 11 Yj -II 11 4878 l/�-, 4950 ° ii - 4B9a-_- -_-_- .ru, �I- .._ ♦ --44 78? 7 II II: � ( \ . CO I 7 ,x �° w J r 29/' tr: _ _ / / 4786 I , / 11 ' - *- II • A Ib !J ;L..r 1 nr °•II .: {�S" - -t4198 -) I . it II il,\-,..3_ ___\,y-crj 1::,,,itt,j4,..,... .q,4e 1, y3fq �, °..- ,� t Vr9sn Sch of i 4 1 ' 11— LAer — iii3 ii .. Proposed II;o9 0 lreslmto ti; .. ..m �� e:° si u /mile Rad, p I ,---( 1-2/17 J / z ' 0 0 L' _ BM ' C 6 �`_ II I 2 rI' 1 4823 'f . . ^ 48131 • . ' •:q Y i1n__ Vr : • —1 i 'HANCE I IIir i� Y 9 .tea ___ _ I. i • c \ 6 ; as " ♦ /0.0115 C - /No. --\ II o II aII eeso °_ ° • /�~ p — — — ~7 �� —� e • Ya,. o ae°Well sea- 143 .. e _ 4B6/ I. "1 49/6 II •li n II \ 085. I'll •� II II° \ • N I as• I ' I �vj EXHIBIT NO. 9 r n erm DOMESTIC WELL PERMITS •- (Within 1 Mile of Proposed Site) Permit No. Name Type Location 1. 130195 Gould, L. 1 Sec. 31-3-67 (SW1/4SW1/4 ) 2. 1-62-638262 Craig. Fred 1 Sec.32-3-67 (SW1/4NW1/4) — 3. 1-62-007606 Delventhall, Edwin D 1 Sec.32-3-67 (SW1/4NW1/4) 4. 78835 Boba, Arlo 0 Sec.6-2-67 (SE1/4NE1/4) 5. 70334 Crow, Jr. , Arthur 1 Sec.6-2-67 (NW1/4NE1/4 ) 6. 66799 Nelson, Harold 0 Sec.6-2-67 (SW1/4NE1/4 ) 7. 142582 Vogl, Patrick B. 0 Sec.6-2-67 (NE1/4NE1/4 ) mia r EXHIBIT NO. 10 .. Financial Plan After consultation with the engineers, and upon advice of Hanifen, Imhoff Inc. , investment bankers to the SVSD, it has been decided that the improvements to be constructed by the SVSD will be financed by the issuance of general obligation bonds to be authorized and issued in accordance with the authorizing act approved by the Colorado Legislature. The bonds, will mature in not more than 20 �. years from date of issuance with the first maturity being not later than three years from their date as required by statute. A total of $4,750,000 of bonds for construction of sewerlines, treatment facility, and other various items has been approved by the SVSD. The amount approved exceeds the amount of bonds to be sold as shown in the attached schedules to allow for unforeseen contingencies and increases in construction costs. The bonds will contain adequate call provisions to allow the prior redemption or refinancing of bonds sold by the SVSD. The amount of bonds sold will be based upon final engineering estimates or actual construction contracts. Organizational costs, including legal fees, will be included in the issuance expenses for the first bond issue. The SVSD will have as a source of revenue to retire the bonded debt, sewer tap fee charges and a mill levy assessed on all taxable property in the service area. Interest income through the reinvestment of construction funds, capitalized interest and annual tax receipts as well as a monthly use service charge will provide additional income to meet operational expenses. The following schedules reflect the amount of bonds to be sold to finance construction costs, including related expenses of the sale of bonds. For the purpose of calculation, and upon advise of Hanifen, Imhoff Inc. , interest rates have been assumed to be 10% on the projected bond issues. The cash flow schedule projects the anticipated flow of funds and is based upon estimates of construction and project needs for bond financing to finance all of the initial improvements of the District. The cash flow schedule indicates the best estimate of growth within the SVSD. r S pr. .,1n, (v) re\ pm • C a N CO in O .,.t N H ! an .p N 0 P O .. N H T N _o N 0 P 0 — 11 C 0 co co co P . . . . . P P P P 0 0 0 0 0 O O O0 O r 11 .a- 0' 0- .P. 0. --. Pr. .P-. .p. .p.. .P.. 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(See Exhibit No. 11 ) The proposed wastewater treatment facility will be operated and maintained by the SVSD. Water Reuse There is no plan for water reuse. The effluent will be discharged into the St. Vrain Creek. No augmentation plan is required. Implementation Plan The SVSD expects to begin construction of the wastewater treatment facility as soon as all the necessary approvals are obtained. The target date for awarding construction contracts is mid. February, 1987, with the project ready for use by the end of 1987. SIM Orea CPC fin (vi) r'`1 r- - rom RULES AND REGULATIONS OF THE ST. DRAIN SANITATION DISTRICT Adopted by The Board of Directors July 10, 1986 p. U EXHIBIT NO. 11 ^ n n RULES AND REGULATIONS OF THE ST. VRAIN SANITATION DISTRICT ARTICLE 1 GENERAL - EXPLANATORY MATERIAL SECTION 1.1 SCOPE These regulations shall be treated and considered as new and comprehen- sive regulations, governing the operations and functions of the St. Vrain Sanitation District; and shall supersede any previous regulations of the District as contained in the minutes of the District which are in conflict with the provisions hereof. SECTION 1.2 POLICY AND PURPOSE It is hereby declared that the Rules and Regulations hereinafter set forth will serve a public use and are necessary to ensure and protect the health, safety, prosperity, security and general welfare of the inhabi- tants of the St. Vrain Sanitation District. The purpose of these Rules and Regulations is to provide for the control , management and operation of the sewerage collection and wastewater treat- ment systems of the St. Vrain Sanitation District, including additions, extensions and connections thereto. SECTION 1.3 TITLES Titles of articles and sections, when and wherever the same may appear throughout this Resolution, are used for convenience only and shall have no relevancy and/or effect upon the terms, provisions and conditions hereof or of the construction or interpretation of same. SECTION 1.4 DEFINITIONS Unless the context specifically indicates otherwise, the meaning of terms used herein shall be as follows: Actual Cost shall mean all direct costs applicable to the construction of a given sewer line or main, including construction, engineering, inspec- tion, plan approval fees, etc., which have been paid by the line con- structor. r- Applicant - Any person, corporation, subdivider, developer, partnership or quasi-municipal entity applying for or requesting service from the District. Board and Board of Directors - A board consisting of persons elected to this Board by a vote of the people within the District, and in accordance with the statutes of the State of Colorado, and empowered to conduct the business of the District. n rat Commercial - Any applicant using the services of the District while engaging in a business. Contractor - Any person, firm or corporation approved by the District to perform work on and to furnish materials to District facilities. District - As used in this Resolution, the word District shall mean the St. Vrain Sanitation District. Inspector shall mean the District Engineer or the District's duly author- ized representative. Intercepting Sewer shall mean a pipe or conduit that receives sewage from two or more lateral sewers. Lateral Sewer shall mean a pipe or conduit that receives sewage from one or more service lines, and has no other lateral sewer discharging into it. Monthly Charge - An amount determined by the Board to be paid per billing unit for the use of the District facilities. Outfall Sewer shall mean a pipe or conduit that carries the effluent, from the sewage treatment plant, to a point of final disposal . Permit shall mean written permission of the Board to connect to a sewer iT ne that is under the jurisdiction of the District pursuant to the Rules and Regulations of the District. Person shall mean any individual , firm, company, association, society, corporation or group. Plant Investment Fee - That amount of money as determined by the Board which permits the payer to connect to a District line for one residential single-family equivalent service (SFE). Service Charge - The amount deemed collectible by the District for late or unpaid accounts. Service Line shall mean a pipe or conduit that carries sewage from the plumbing system of a single building to a lateral sewer. Service lines may discharge directly to trunk or intercepting sewers under special conditions. Sewage - Wastewater and other wastes generated and discharged into the .- sewer system by the users of the District facilities. Sewage Treatment Plant shall mean the area and facility used to remove or _ alter the objectionable constituents of the sewage. Sewer shall mean a pipe or conduit for carrying sewage. Sewer System shall mean all facilities owned and/or operated by the District and used for collecting, treating and disposing of sewage. n Shall is mandatory. Single Family Equivalent Unit shall represent the average characteristics of a single-family home in the service area of the District. The details of these characteristics may be changed from time to time as better data -- is obtained to define the "Single-Family Equivalent. " Some of the more important characteristic of the Single-Family Equivalent are: (1) Average Occupancy = 2.7 persons (2) Average Daily Sewage Flow per Person = 100 gallons/day (3) Average Daily Sewage Flow Per SFE = 270 gallons/day (4) Peak Hour Sewage Flow = 1,080 gallons/day = 45 gallons/ hour For purposes of these Rules and Regulations, nonsingle family uses shall be converted to the equivalent number of single-family units. This conversion shall be determined by the District on the basis of the characteristics that are common to both single-family and nonsingle- family uses, e.g., offices, etc. Where more than one characteristic is common to both uses, a weighing factor may be used to establish the relative importance of these characteristics on the sewer system. Subdivision - A subdivision shall be defined as any single parcel of land which is subsequently divided into two or more parcels for the purpose of constructing dwelling units or other use on any of the smaller parcels. Tap on Connection - The right to connect a service line from a dwelling or structure to the collector or interceptor lines of the District and to discharge sewage equal to one single-family equivalent unit. Tapping - The physical act of connecting the service line from the struc- ture or dwelling to the lines of the District. Trunk Sewer shall mean a pipe or conduit that receives sewage from two or more lateral sewers. User shall mean any person to whom sewer service is furnished, be it renter, record owner, corporation, company, individual , etc. ARTICLE 2 ^ OWNERSHIP AND OPERATION OF FACILITIES SECTION 2.1 POLICY The District is responsible for the collection and treatment of sewage from users within the District and the maintenance, repair and replace- ment of all facilities, except service lines and/or building drains, P. owned by the District, but shall not be liable or responsible for inter- ruption of service brought about by circumstances beyond its control . r- r.\, r1 SECTION 2.2 POWERS AND AUTHORITY OF INSPECTORS The superintendent, inspector and other duly authorized employees and/or agents of the District, bearing proper credentials and identification, shall be permitted, upon due notice to the user, to enter upon all properties for the purpose of inspection, observation, measurement, sampling and testing, in accordance with the provisions of this Resolu- tion. ARTICLE 3 USE OF DISTRICT SEWER SYSTEM SECTION 3.1 UNAUTHORIZED USE No unauthorized person shall uncover, make any connection with or opening into, use, alter or disturb any District sewer or appurtenances without first obtaining a written permit from the District. SECTION 3.2 RESPONSIBILITIES OF THE USER ^ No user shall discharge or cause to be discharged any storm water, surface water, ground water, roof runoff, subsurface drainage, cooling water or unpolluted industrial process water to any sewer as herein defined. No user shall discharge or cause to be discharged to any sewer main, any harmful water or wastes, whether liquid, solid or gas, capable of causing obstruction to the flow in sewers, damage or hazard to structures, equip- ment and personnel of the sewage system or other interference with the proper operation of the sewer system. Wastewater shall be deemed harmful at the sole discretion of the District. Pretreatment shall be provided by the user to the satisfaction of the District before the waste is allowed to enter the District disposal system. Each user shall be responsible for constructing and maintain the entire length of his service line. Leaks or breaks in the service lines shall be repaired by the property owner within 72 hours from the time of notification of such condition by the District. If satisfactory progress toward repairing the said leak is not being made, the inspector shall have the authority to terminate the service or to have the line repaired. The District shall bill the owner all resulting costs thereof, including, without limitation, inspection fees. ^ SECTION 3.3 CONNECTION TO DISTRICT SYSTEM A person seeking to connect to the District's system shall make a formal application in writing in such form as the Board may require from time to time. Applications will be considered by the District based on the following criteria. Tap purchases generally fall into three categories: (1) a subdivision; (2) the single tap; and, (3) several taps. The procedures to be followed in each of these categories are as follows: • `• ' 1'1x3 (1) Subdivision. In order to obtain taps for a subdivision, the applicant must make formal application to the District. This appli- cation will be reviewed by the Board and its technical advisors to determine if service to a particular location is feasible, practi- cal , and desirable. This application shall include plans in a form satisfactory to the District and which are detailed enough to deter- mine the location of service required, number of taps required and physical features which may affect service. The application shall also be accompanied by payment of a fee for technical review, which fee is set by the Board. Provided the Board determines that service to a particular location is feasible, practical , and desirable, the applicant will then be required to enter a contractual arrangement with the District and pay certain sums of money as required in the contract. To properly plan the facilities and maintain a high ^ standard of service by the District, the District must be able to project the required services and, therefore, must have contractual commitments binding upon both the applicant and the District to ^ properly provide such service. (2) Single Tap. A single tap may be purchased by making applica- tion to the District at its office and obtaining a determination from the District that it is feasible, practical , and desirable to serve the property. If it is so found, the tap may be purchased by payment of the plant investment fee, and the applicant must then make arrangements to have his service lines installed by a contrac- tor approved by the District. Once the service line is installed from the structure or dwelling to the line of the District, the District, for the sum currently being charged as a tapping fee, will ^ tap the line and connect the service. This tapping fee is payable in advance of the tapping. All connections to the lines belonging to and owned by the District shall be made only by the District or its designated representative. (3) Several Taps. More than one tap may be purchased from the District if the purchase is for use on dwellings and structures which do not fall into the subdivision category. The limit on the number of taps which shall be sold to any given location without that location being deemed a subdivision shall be made by a decision of the Board. Purchase of these taps shall be handled the same as that of a single tap. Each tap purchased must be connected to the District lines separately. In no case will two dwellings or structures be allowed to connect to the District lines on one tap. No new buildings with plumbing facilities of any nature shall be con- structed within the District unless connected to the District's sewer system, except that the Board may permit the Owner to install temporary individual disposal facilities, providing that his case complies with all four of the following conditions: (1) Extension to the District's system would create an unreasonable financial burden on the Owner. we '� F n n Ps\ r (2) A private disposal system is constructed meeting all State and County Health Department requirements. (3) The Owner deposits to the District the appropriate fees and charges required by this Resolution or as amended from time to r time. (4) The Owner agrees by written agreement to extend a line to .. connect to the District system at a time and/or condition agreed on between the District and Owner. In any case, the Owner must connect to the District' s system when a line is within 400 feet of his building. Such connection will require no additional plant investment fee other than as provided above (unless required by change in usage). All existing buildings shall connect to the District's system when a District line is capable of furnishing service and is available within 400 feet of the buildings. All extensions and connections shall be in .. accordance with the practices and conditions hereinafter contained. (See Article 4, Sewer Line Extension Policies. ) SECTION 3.4 TAPPING If approved lines are to be constructed within subdivisions, stub-outs shall be made from under the streets so that subsequent cutting of the streets is not required. These stub-outs shall be plugged, inspected, located and approved in writing by an official designated by the District to provide such inspection. A map in a form satisfactory to the District shall be provided to the District. Actual cost incurred by the District for such inspection shall be reimbursed by the applicant. Actual tapping of the lines shall be done only with equipment approved by the District and by a representative of the District or under his direct supervision. SECTION 3.5 TAP TRANSFER A tap, when purchased, stays with the property for which it was pur- chased. The District will not approve nor allow taps to be transferred from one location or dwelling to another. Taps can be transferred by the current owner of property to a subsequent owner by paying all outstanding fees and charges plus a tap transfer fee in the amount of $20.00 which is charged to reimburse the District for the necessary change of name and address on the many books and documents kept by the District. The ►- current owner of such property shall remain liable for all fees and charges, whether incurred by him or by a subsequent owner, until all outstanding fees and charges, including the transfer fee, are paid in ,. full and the transfer has been effected on the District's records. SECTION 3.6 COMMENCEMENT OF MONTHLY CHARGES r` Monthly service charges as provided in Article 4 below become due and payable when the user connects to the District's sewer system, or one year from the date on which the tap is purchased, which ever event occurs r, first. r P1 ARTICLE 4 ^ FEES AND CHARGES CONNECTION CHARGES. The District' s connection charges shall be as follows: SECTION 4.1 PLANT INVESTMENT FEE An applicant for sewer service from the District shall agree to pay a sewage plant investment fee in the amount currently being charged by the District when the service is granted for each single-family equivalent (SFE) unit requesting sewer service, or such fraction or multiple thereof as shown in the following schedule. Such fee shall be paid in full prior to the time that each single-family equivalent unit is connected to the District system. Said fee shall be in addition to all other fees or charges relating to sewer service elsewhere described in this Resolution, and in no case shall such plant investment fee be rebated under any circumstances. A plant investment fee shall be calculated by multiplying the then existing plant investment fee times the following allocable SFE based upon usage below (1 SFE = 270 gallons per day (gpd) = 2.7 people): Type of Use Allocable SFE Private dwelling, apartment, indivisible condominium unit or any other living unit that can be classified as a single-family unit 1.00 Hotels & motels (per rental unit) .20 ^ (Note: Manager's unit shall be 1 SFE) Rooming houses and dormitories (per bed space) .13 Mobile home parks, trailer courts or trailer parks (per unit space) 1.00 (Note: Manager's unit shall be 1 SFE) Schools with cafeteria and showers (per student, faculty member and administrator) based on initial ^ enrollment at beginning of each school year 0.06 Schools without cafeteria and showers (per student, faculty member and administrator) based on initial enrollment at the beginning of each school year 0.04 Lodge rooms, halls, churches or other similar establishments (per toilet or equivalent) 1.00 Business Uses: Health clubs (per 100 members) .80 Office space (per 20 employees) 1.00 Car washes (per stall )* 2.00 r n . Pro. r1 Car and truck service stations without washing facilities (per pump island)* 1.00 Car and truck repair garages* 2.00 Medical offices, clinics (per 10 employees) 1.00 Barber shops, beauty salons (per 2 chairs)* 1.00 Drug stores, grocery stores, or similar retail establishments exclusive of supermarkets (per toilet) 1.00 Fast food establishments (based on average daily metered domestic water usage — 1 SFE = 270 gpd)** Meat markets and supermarkets (to be negotiated based on discharge)* �. Restaurants, cafes, taverns or similar establishments )per seated unit, i .e., chair or seat) .06 Laundromats (per machine) .80 *May require pre-treatment **Initial connection charge may be based on estimated usage and corrected to actual usage upon commencement of operations. Additions or modifications to buildings connected to the District's sewer system which represent a change in use shall be re-evaluated as to month- ly service charges and additional plant investment fees as may be deter- mined at the discretion of the Board and within this Resolution or as it may be amended from time to time. SECTION 4.2 TAPPING CHARGE ^ This charge shall be made by the District to reimburse the costs incurred by the District for making the physical connection to the District lines. This tap must be made by the District or its appointed representative. This charge is payable before a tap is made. This current tapping charge is $40.00 for each such connection. SECTION 4.3 SEWER SERVICE RATES a. Rates for Property Located in the District. In every case where the District furnished sewer service to property located within the District, the District shall be paid for sewer service in accordance with the following-described policy. All rates for sanitary sewer service shall be based on the single-family equivalent (SFE) as defined in this Resolution. The monthly service charge per single-family equivalent shall be the then-current charge being made by the District for such service. r n At the time of connection, the District shall determine the number of single-family equivalents to be served by a new connection according to the charges established above for a single-family equivalent. The District reserves the right to re-evaluate the service charges to any sewer tap at any time. For convenience in estimating what the charges may be for typical uses, the following tabulation was prepared. This table lists the SFE equivalents for various types of typical uses. The services charged to the user may be greater or less than those served from the following table whenever in the opinion of the District the service being supplied represents a greater or lesser number of sin- gle-family equivalents than those listed. Type of Use Allocable SFE Private dwelling, apartment, indivisible condominium unit or any other living unit that can be classified as a single-family unit 1.00 Hotels & motels (per rental unit) .20 (Note: Manager's unit shall be 1 SFE) Rooming houses and dormitories (per bed space) .13 Mobile home parks, trailer courts or trailer parks (per unit space) 1.00 Schools with cafeteria and showers (per student, faculty member and administrator) based on initial enrollment at beginning of each school year .06 Schools without cafeteria and showers (per student, faculty member and administrator) based upon initial enrollment at beginning of each school year .04 Lodge rooms, halls, churches or other similar establishments (per toilet or equivalent) 1.00 S Business Uses: Health clubs (per 100 members) .80 .- Office space (per 20 employees) 1.00 Car washes: (per stall )* 2.00 Car and truck service stations without washing facilities (per pump island)* 2.00 Car and truck repair garages* 2.00 Medical offices, clinics (per 10 employees) 1.00 S Barber shops, beauty salons (per 2 chairs)* 1.00 n n Drug stores, grocery stores, business offices or similar retail establishments exclusive of supermarkets (per toilet) 1.00 Fast food establishments, based on average daily metered domestic water usage — 1 SFE = 270 gpd ^ Meat markets and supermarkets (to be negotiated)* Restaurants, cafes, taverns or similar establishments (per seated unit, i .e., chair or seat) .06 Laundromats (per machine) .80 *May require pre-treatment Special Uses For swimming pools or other special uses, the rates will be determined on an individual basis after the District has made a determination of the effect of such use upon the sewer system. NOTE: For establishments of any kind falling into more than one of the above categories, each separate category would be computed individually and then all categories totaled for that establishment's total monthly charge. Commercial applications shall also be carefully reviewed to determine the type of sewage to be treated and the ability of the District's facilities to treat this sewage (i.e., service stations, dry cleaning, etc.). b. Rates for Property Not in District. In every case where the District furnishes sewer service to property not included in the Dis- trict, the District shall be paid for sewer service at the discretion of the District by specific contract with the person receiving service, and all fees, rates and charges shall be fixed and determined by the District with reference to such service and contained in said contract, provided, however, that the total contractual charges, fees, rates, etc., shall be increased by an amount equivalent to the revenue which would be obtained by the District from the particular property by way of tax levy. It is the intent of the District that property served outside of the District should pay an equivalent amount in lieu of taxes in addition to the contractual charges, fees, rates, etc. ^ SECTION 4.4 SEWER SERVICE BILLING a. Billing and Payment. Statements for all charges shall be .— mailed on or about the first working day of the months of January, March, May, July, September and November. Statements shall include all charges (fees, penalties, service line repair charges, etc. ) incurred during the previous two-month calendar period. r n b. Delinquent Accounts. All statements are due and payable on or before the first day of the next month, e.g. , a statement mailed on or about the first working day of January is due and payable on or before February 1. Any statement which is not paid in full on or before the first day of the next month after billing shall be deemed a delinquent account. c. Delinquency Charges. In addition to the amount deemed delin- quent, the following delinquency charges shall be charged by the Dis- trict: (1) $ if the delinquent amount is paid prior to the next successive billing. (2) If the delinquent amount is not paid prior to the next successive billing, the delinquent amount plus the delin- quent charge provided for in paragraph (1) above shall draw interest at the rate of one percent (1%) per month (commencing on the first day of the second billing) until paid in full . d. Disconnection. r (1) The Board may, at its discretion, direct the District's employees, agents, and/ or engineer to dig up and dis- connect the sewer line and terminate the service of the delinquent customer not sooner than five days after date of service or mailing of a "Shut-off Notice." (2) In the event the Board determines that service shall be disconnected, the District shall deliver by hand or certi- fied mail to the user a "Shut-off Notice." The Notice shall state that the delinquent account, plus all charges and penalties, must be paid within 72 hours of the time of service of the notice. If the owner, occupant or user cannot be located for personal service, it shall be lawful to attach the said notice to the premises in a conspicuous location. (3) If disconnection has been commenced, there will be an additional charge of $50.00 plus the actual costs to the District of making such disconnection and reconnection. These charges, in addition to all delinquent amounts, penalties and interest, shall be paid in full prior to service being restored. e. Lien. Until paid, all rates, penalties, tolls, fees, interest and charges shall constitute a perpetual lien on and against the property served, and any such lien may be foreclosed in the manner as provided by law at the discretion of the Board. err,- Pm' SECTION 4.5 FEE FOR INCLUSION OF PROPERTY IN DISTRICT Property may be included in the District in accordance with the provi- sions of Colorado statutes at the discretion of the Board. Persons peti- tioning for inclusion of real property in the District shall submit with their petition an amount deemed appropriate by the District to cover all costs and expenses incurred by the District in processing such petition. Until revised, the processing fee shall be $400.00 plus publication costs. Any property included into the District which, due to applicable Pm law and timing of the petition, is exempt from taxation for the year of annexation shall, be assessed an inclusion fee in addition to the processing fee. The inclusiion fee shall be approximately equivalent to the amount of taxes which the District would have received from that property for the then current tax year based upon the date of the Board's order of inclusion. SECTION 4.6 AVAILABILITY OF SERVICE FEE As set forth in Section 32-1-1006 C.R.S., the Board may assess an "avail- " ability of service" charge against residential lots lying within the District but which are not serviced, provided that the District's lines are within 100 feet of the property line of the particular residential lot. No such availability of service of service charge shall be imposed unless approved by an affirmative vote of the Board after a public hearing and upon notice of the hearing mailed to each taxpaying elector as provided by law. ARTICLE 5 SEWER LINE EXTENSION POLICIES ,. SECTION 5.1 GENERAL It shall be unlawful for any person to construct a sewer main or service line to be connected to the District sanitary sewer system without: (1) Having made formal application to the Board for approval ; (2) Having complied with all requirements and regulations of the Board; and, (3) Having received written authorization from the Board, or its designee. SECTION 5.2 EXTENSION OF SEWER COLLECTION FACILITIES Any applicant for sewer service from the District shall pay the full cost of construction and inspection of all extensions and connections, exclu- sive of sewage treatment facilities, but including necessary easements, rights-of-way, and permits from county, state or other governmental agencies, as are required to provide service by the District and connect the applicant to the District's existing system, unless otherwise provided by the District. SECTION 5.3 SUBMISSION OF SEWER EXTENSION PLANS TO DISTRICT .- Prior to the initiation of construction by any applicant proposing to construct sewage collection facilities under Section 5.2 of this Resolu- tion, the applicant shall submit construction plans and specifications to the District for review. Any cost of such review by the District or its engineer shall be borne by the applicant. Such plans shall conform to the sewer design standards as may be established by the District from time to time. ^ No sewers shall be constructed within the Board's jurisdiction until final plans and specifications have been approved by the Board or its .. engineer ana written authorization to proceed has been obtained from the Board. No sewers shall be accepted by the Board or placed into operation unless they have been inspected and approved by the Board's authorized inspector or engineer and it is determined that such sewers meet in all . " respects the requirements set forth in the sewer design and construction standards established by the District. No excavation shall be started until all required permits have been obtained. ,. No individual connections shall be made to the existing sewer system of the District without the express written authorization of the Board by permit. ^ SECTION 5.4 CONSTRUCTION OF SEWER MAINS BY CUSTOMERS At the sole discretion and direction of the District, the Applicant shall be required to install the facilities described in Section 5.2 and Section 5.3 of this Resolution by private contract, subject to approval of the plans and specifications by the District, receipt of a permit from the District as provided in this Resolution and District inspection of actual construction. At the sole discretion of the District, the appli- cant may deposit with the District the estimated cost of reviewing, inspecting and installing the facilities described in Sections 5.2 and 5.3 of this Resolution, and the District may then proceed to make the installation with its own forces or by contract with a private contrac- tor. In the event that the original deposit is insufficient, the applicant shall , upon notification, immediately deposit the balance required with the District to complete the work. SECTION 5.5 EXTENSION OF FACILITIES - REIMBURSEMENT. Extension of facilities may be made by applicants as set forth herein. The District may, at its discretion, extend its facilities if service to the particular area is feasible, practical , and desirable. a. Reimbursement When Applicant Extends Sewer. Any applicant who extends a sewer to serve his particular area may be eligible for reim- bursement from future connectors to that extension. The basis, or formula, for this reimbursement shall be determined by the Board of Directors, and shall be included as part of the sewer service contract. �. L `a ^ /1 /1 • The applicant's contracted right to reimbursement under a sewer contract shall extend for a period of 10 years from the date of the execution of said contract, unless otherwise determined by the Board for good cause. This reimbursement shall be made from fees charged future connectors to the sewer for this specific purpose. Such reimbursement shall not be made from any revenues, fees or charges inuring to the benefit of the District as a result of this Resolution or as amended. The District will collect the reimbursement fee and remit it to the applicant prior to the time of connection. It is recognized that there are many possible combinations of conditions relating to sewer extensions which effect the basis for reimbursement. To establish the basis for reimbursement, the following principles may be used as guidelines in establishing the reimbursement formula: ^ (1) The formula shall be simple to administer. (2) The amount to be reimbursed to the applicant shall be that part of the cost of the sewer extension, including necessary appurtenances, that is represented by the ratio of the use of others to the total use. other SFE's other SFE's + applicant's SFE's (3) When a sewer extension is considered to be an intermediate section of a sewer, the following principles will be used as guidelines: (a) There will be no sharing of costs with either the upstream or downstream sections of the sewer. ^ (b) Side connections joining at the downstream end (end closest to waste water treatment plant) will not share in the cost of the intermediate section, but will share in any allocable costs of the downstream section. (c) Side connections joining at the upstream end of the inter- ,_ mediate section will not share in the cost of the upstream section, but will share in the cost of the intermediate section. (d) The District Sewer Master Plan will be used to help deter- mine whether or not a sewer extension is an intermediate section of a sewer. ^ b. Reimbursement When District Extends Sewer. Whenever the District extends a sewer to serve a particular area, it shall be eligible for reimbursement from future connectors to that extension. The basis or formula for this reimbursement shall be determined by the District when the extension is authorized. ^ pc., ir) S n n This reimbursement to the District shall be made by future connectors in the form of an aid-to-construction fee and shall be in addition to such other regular fees charged by the District, such as plant investment fees and use fees. It is recognized that there are many possible combinations of conditions relating to sewer extensions which effect the basis for reimbursement. The following principles will be used as guidelines in establishing the reimbursement formula: (1) The formula shall be simple to administer. (2) The amount to be reimbursed to the District shall be that part of the cost of the sewer extension, including necessary appurtenances, that is unique to that particular extension. (3) When a sewer extension is considered to be an intermediate section of a sewer, the following principles will be used as .- guidelines: (a) There will be no sharing of costs with either the upstream or downstream section of the sewer. r- (b) Side connections joining at the downstream end (end closest to waste water treatment plant) will not share in any allocable costs of the downstream section. (c) Side connections joining at the upstream end of the inter- - mediate section, but will share in the cost of the inter- mediate section. (d) The District Sewer Master Plan will be used to help deter- mine whether or not a sewer extension is an intermediate section of a sewer. SECTION 5.6 DISTRICT OWNERSHIP Customers, applicants, landowners, subdividers or developers who have completed construction of sewers shall , before these sewers are accepted by the District for service, deed these sewers and appurtenances, except for service lines, including all necessary easements, to the District, free and clear of all liens and encumbrances, properly described by certified survey, and furnish a bond to cover all maintenance for one year from the date of acceptance of the sewers by the District. In addition, before these sewers are accepted by the District, the applicant shall provide complete "as built" drawings in a form acceptable to District, including locations of "stub-outs." In the event a special district is formed by an applicant outside of this District for the purpose of financing outfall sewers, sewer collectors and appurtenances, the applicant shall agree that such transfer by deed shall take place when the subject sewers and appurtenances are free of all liens and encumbrances incurred by said special district, and that in the interim period between acceptance for use and transfer to the District, the District shall be allowed to consider these sewers and tDr _177, e. appurtenances as though they had been transferred by deed or other instrument. That is, the District shall have, but not be limited to, the discretion to determine who may use the sewer, conditions of use, fees to be paid and maintenance. .. SECTION 5.7 SUBMISSION OF DEVELOPMENT PLANS As a condition of service from the District, the applicant shall agree not to develop his land without first submitting his development plans to the Board for its approval . SECTION 5.8 APPLICANT MAY BE REQUIRED TO INSTALL SEWAGE FLOW MEASURING INSTRUMENT Whenever, in the opinion of the District, the use of water consumption measurements does not accurately reflect the amount of sewage or influent produced by the customer, the District may, in its sole discretion, elect to require the customer to install a suitable sewage flow measuring instrument. The customer will be charged for sewage flow as indicated by the instrument, less the allowable infiltration or actual infiltration, whichever is less. ARTICLE 6 VIOLATIONS AND PENALTIES SECTION 6.1 NOTICES Any person found to be violating any of the provisions of this Resolution shall be served with written notice stating the nature of the violation and providing a reasonable time limit for satisfactory correction thereof. Any notice shall be given in the same manner as provided for nonpayment of fees and charges under the provisions of Article 4, Section 4.4, of this Resolution. r SECTION 6.2 LIABILITY TO DISTRICT Any person violating any of the provisions of this Resolution shall become liable to the District for any expense, loss or damage occasioned by reason of such violation. SECTION 6.3 DISCONTINUANCE OF SERVICE — The District also reserves the right to discontinue sewer service for violation of any rule upon written notice of such intended discontinuance at least five days prior thereto advising the user in what particular such rule has been violated. ARTICLE 7 AMENDMENTS SECTION 7.1 PROCEDURE These Rules and Regulations may be amended by the Board at any regular or special meeting of the Board on the condition that prior Public Notice is ^ given thereof at least once in a newspaper of general circulation in Boulder County, Colorado. Such Notice shall , at the minimum, state that the Board is considering amendments to the District's Rules and Regula- - tions; shall set forth the date, time and place such amendments will be considered by the Board; and shall invite public comment on any amend- ments which the Board is considering. r r r SAINTSAN 053086 .. 073086 n Donohue PRELIMINARY DESIGN REPORT FOR ST. VRAIN WASTEWATER TREATMENT PLANT �- ST. VRAIN SANITATION DISTRICT OCTOBER 1986 Engineers & Architects Donohue - October 15, 1986 212. 000 Nelson Engineers 520 Greeley National Bank Plaza Greeley, Colorado 80631 Re: St. Vrain Sanitation District Preliminary Design Study Gentlemen: We are pleased to submit this preliminary design report for wastewater treatment facilities for the St. Vrain Sanitation District. This report is based on the Service Plan prepared for the District in July 1985. The study included the evaluation of three treatment alterna- tives, an aerated pond system, an oxidation ditch, and a prefab- ricated activated sludge system. Based on an analysis of treat- ment requirements, project cost, and length of construction period, the aerated pond system was recommended as the selected alternative. This report contains preliminary design information for the aer- ated pond system that will be used in the site application pro- cess with regulatory agencies and in the preparation of contract documents for the construction of this facility. The presentation of this report completes our contract require- ments for this phase of work. We look forward to the next phase of the project, completion of contract documents. Please contact us if you have any questions concerning this preliminary design. Very truly yours, DONOHUE & ASSOCIATES, INC. bill/VAAL. La D. DeMers, P.E. Project Manager at; e'7441' Edwin Moore, P.E. �- Senior Project Engineer Formerly M&I/Donohue Donohue&Associates, Inc. 4710 South College Ave. ' Fort Collins, Colorado 80525 Consulting Engineers 303-226-2323 r'1 TABLE OF CONTENTS PAGE SUMMARY & CONCLUSIONS 1 INTRODUCTION 2 l _ EFFLUENT REQUIREMENTS 3 DESIGN CAPACITY 4 TREATMENT SITE 6 PACKAGED PUMP STATION 8 ^ ACTIVATED SLUDGE PLANT 9 r, POND SYSTEM 12 OXIDATION DITCH 17 CHLORINE CONTACT BASIN 18 HOLDING POND 18 CONTROL BUILDING 18 SLUDGE DISPOSAL 20 COSTS 22 COMPARISON OF TREATMENT ALTERNATIVES 24 APPENDIX 27 r— iTABLES 1. Probable Wastewater Effluent Limitations 3 2 . Design Criteria for 0.50 mgd Activated Sludge 9 3 . Pond Performance and Criteria 13 4 . Alternative Capital Cost Estimates 22 • 5. Total Cost Evaluation of Alternatives 23 FIGURES Activated Sludge Plant 11 Pond System Site Layout 14 ^ Building Floor Plan 19 PIO � ', Cc": yam rr ^ ^ SUMMARY AND CONCLUSIONS ^ 1. Donohue & Associates was retained to complete a preliminary design addressing St. Vrain Sanitation District' s wastewater treatment requirements. In accordance with the District's Service Plan, consideration is to be given to an activated sludge plant, an oxidation ditch and aerated pond system. 2. The initial design size will be for 0. 50 mgd. The plant is planned for expansion in three phases over a 20-year period to 1.50 mgd. The initial capacity will provide for 5,000 population equilvalent as compared to the 1,774 present popu- I ^ lation equivalent. The 1.50 mgd capacity provides for a reasonable build-out capacity as stipulated in the District's Service Plan. 3 . The study of these three alternatives showed that aerated pond system is the most cost-effective treatment system. The pond system is recommended based upon cost, treatment needs, 1 ^ and a shorter construction schedule. 4. The pond system will not meet effluent ammonia requirements .. when the equivalent population served is greater than 10,000 persons. Three alternative add-on facilities technologies are present for consideration when this type of treatment is required during the projected Phase 3 expansion in 1994 to 1998. Successful add-on facilities for a pond system has not be demonstrated. If add-on ammonia removal facilities are not feasible, the Phase 2 lagoon should be derated from 1. 0 -- mgd to 0. 8 mgd, and a 0.7 mgd plant should be constructed for ammonia removal. 5. The ammonia removal facilities should be planned in 7 years and be operational in 11 years after construction of the first phase facilities. Raw sewage ammonia and stream stan- dards need to be reviewed prior to design of Phase 3 facili- ties. I ffr INTRODUCTION The St. Vrain Sanitation District was formed within the last year and presently has no wastewater collection or treatment facili- ties. r The basis for population served, wastewater flows, population growth, and other parameters were established in the Service Plan, dated July 1985. Additional parameters and effluent ammo- nia requirements were determined during this study. Present development in the 2, 100-acre district boundary is prima- rily in the area of Highway 1-25 and State Highway 119, commonly referred to as the Del Camino area. Service will intially be ( provided to a present 1, 774 equivalent population by the first phase facilities that will be sized for 5,000 equivalent popula- tion. Projected growth indicates an equivalent population served of 14,369 by the year 2005. This Preliminary Design Report summarizes the findings of the predesign study and serves as the basis for final design for the wastewater treatment facilities. During the course of the predesign study, the site for the treat- ment facilities was moved from 2, 300 feet north of the St. Vrain River to a final site at only about 300 feet south of the river. The present location, about 3 . 1 river miles east of highway 1-25 on the St. Vrain River, allows gravity flow to the site. A pump station on the plant site would lift the wastewater to the treat- ment facilities. The report presents the probable effluent requirements, design capacity and site configuration. Subsequent sections present information on the alternative treatment facilities components. A prefabricated activated sludge plant, an aerated pond system, and an oxidation ditch were studied. Consideration was given to a dual-sequencing batch reactor, complete mix pond system, and land application. These last three alternatives were not further studied because they were not cost-effective or technology has not been properly demonstrated. ^ The information for the studied alternatives show in detail the basis from which the decision is made on the proposed treatment facilities. The final section of this report compares the alter- , natives on a capital cost and annual cost basis. The Appendix contains the basis for effluent ammonia requirements and detailed probable construction costs for the prefabricated activated plant, aerated pond system, and oxidation ditch plant. r .. EFFLUENT REQUIREMENTS Wastewater treatment requirements for discharge to the St. Vrain River have been established on a preliminary basis by the Colora- do Department of Health. (See letters concerning treatment re- quirements in the Appendix. ) The probable treatment requirements are presented in Table 1. Because of the more stringent ammonia limitations required after Phase 2 improvements, a mechanical treatment plant or physical/chemical treatment would probably required at this time. TABLE 1. Probable Wastewater Effluent. Limitations 1 Effluent Parameter 30-day Ave. 7-day Ave. Daily Max. BOD5, mg/1 30 45 N/A TSS, mg/1 75* 110* N/A Fecal Coliforms, 2000 4000 N/A #/100 ml r Total Residual N/A N/A 0.06 Chlorine, mg/1 Total Ammonia, mg/1 Phase I 43 in April Phase II 21 in April and 31 in December . Phase III 14 in April and 21 to 36 Winter pH 6.5 to 9. 0 at all times Oil and grease shall not exceed 10 mg/1 in any grab sample nor shall there be a visible sheen. * This relaxation of the suspended solids limitation will not apply if a mechanical treatment plant is used. In that case, limits of 30 mg/1 and 45 mg/1 will be applicable. The stringent 0. 06 mg/1 residual chlorine limit will require dechlorination of the effluent prior to discharge to the St. Vrain River. r 1 " -3- tiri _-1:Ina r 1 f DESIGN CAPACITY (' �^ Two separate design capacities are important in planning for wastewater treatment facilities. First, the site needs to be large enough to provide expansion capability for treating a rea- sonable and foreseeable wastewater flow generated in the service ( area. Second, the treatment facilities should be planned for l future expansion and initially sized to provide a reasonable amount of growth capacity above that required for the present I1,774 population equivalent. The Service Plan established the equivalent population (P.E. ) — served, persons per dwelling unit, and the general wastewater 1 characteristics. These are summarized as follows: Year 1985 1990 1995 2000 2005 Beyond IPop. Eq. 1774 5488 8312 11, 317 14,369 19,074 � ^ Average persons per dwelling unit - 2.7 Average gallons of sewage per P.E. 100 Biochemical oxygen demand, mg/1 250 ', Suspended solids, mg/1 - 250 I , Peak flow gallons per P.E. - 150 Minimum flow gallons per P.E. 50 Average lbs. of BOD per P.E. - 0.2 1 The treatment facilities are to be planned for three stages of 0.5 mgd over a 20 year period to the year 2005. Each stage of development will accommodate about a 5,000 population equivalent. This preliminary design considered three treatment alternatives, oxidation ditch, prefabricated activated sludge plant and aerated .. ponds. The facilities will be designed on the basis of the above and the I ^ following revised parameters: 1. Peak flow of 170 gal/person. 2 . Hydraulic capacity of 150% of peak flow. I . 3. BOD and TSS of 220 mg/1. 4. Ammonia 25 mg/1. 5. Aerated lagoons will not meet stream ammonia standards 1 - for the third phase expansion. — The initial capacity will be 0. 50 mgd. This capacity is for a ( population equivalence of 5000 persons at 100 gallons per person per day. This design size will provide 280 percent of the capac- ity required for the present total population equivalent. — -4- tnr. ,; 7 -1-) n eTh The length of time for which a capacity of 5000 population equiv- alents will be adequate for growth depends on the growth rate, and the type and location of commercial growth. Planning for - future expansion should begin when the treatment facilities load- 1 ing reaches 80 percent of rated capacity. Service Plan growth projections indicate the planning should begin in 1988 for the Phase 2 and in 1994 for the Phase 3 expansions of 0.5 mgd. Once wastewater collection and treatment are constructed and placed in service, the District will have a better understanding of the wastewater characteristics and the need for future expansion. 1 ! 1 ' -5- ,' I rira 11 Pas, r'1 ^ TREATMENT SITE 1 The treatment site includes 25 acres with a gentle slope toward 1 the north except for the northwest corner. About 4.4 acres of the northwest corner of the site is an old river oxbow area. There is a pond in this area and the rest of the area is full of 1 sediment which is not suitable for major structures without extensive foundation costs. There is a major transcontinental telephone cable crossing the site in a north-south direction. I Also, there is a natural gas line about 90 feet east and parallel to the west property line. -• No soil borings have been acquired but the large gravel pit oper 1 ations just west of the site indicates 1 to 2 foot of top soil over a 5 foot gravel layer with sand below. The large flowing ditch on the west property line, the oxbow ponds, and the river 1 are adjacent to the pit. The water level in the pit is about 15 feet below grade and the dewatering pumps were not operating during a site visit on September 10, 1986. These observations indicate that soil permability is relatively high and groundwater level will not be appreciably affected by the pit operation. The soil is well-suited for the activated sludge and oxidation ditch plants. The pond system will require bentonite lining since there is not 2 feet of clay available, and the pond excava- tion will be into the gravel material. Ground water could be a major problem for the pond system in the north half of the site. 1 Soil borings should be obtained for design and construction docu- ments. The oxbow ponds indicate that the preliminary routing of the 1 plant outfall sewer should be about 30 feet west of the west property line and follow a northerly route to the river. 1 The 100-year flood elevation at the west side of the property is elevation 4802 .7 and slopes about 3 .4 feet per 1000 feet to the east. The southwest corner of the site is at elevation 4805.0 or 1 ' 2. 3 feet above the 100-year flood. The northwest corner, oxbow area, will be in the 100-year flood plain. However, this area was not planned to have concrete structures due to poor soil 1 conditions. Raw wastewater will have to be pumped into the treatment facilities. The outfall line at the site and the pump station will be provided with a top elevation of 4,805. 0 to pro- "' tect against a 100-year flood. The treatment facilities will be 1 constructed well above the flooding plain. At the present time, no residential or commercial property exists 1 adjacent to the site. Some degree of buffer area is recommended P- -6- or-, ,, n ( between the plant and residential and commercial property due to pond turnover. Any potable well should be located more than 1/4 mile from the pond system. The site must be reviewed by regulatory agencies before final approval is given. Since the site is not directly adjacent to the river, an easement for an outfall line around the oxbow pond to the river will be required. n C 1.14 ,Th n ^ PACKAGED PUMP STATION ^ A packaged metal can-type pump station with two constant speed pumps is recommended for all alternatives. The pump station will have two 625 gpm pumps. The impellers in these pumps will changed to a larger size in Phase 2 . The pumps will have to operate in a OFF-ON cycle. Two pumps will be provided, with one being a standby. ffl A rectangular concrete wetwell will be provided with a trash basket and electric hoist to protect the pumps from large solids. An overflow from the wetwell to a holding pond will provide about 11-hour storage at a design flow of 0.5 mgd during a power out- age. The pond storage plus the influent sewer storage (before overflow) should be adequate for any reasonable power outage. The pond will drain back to the wetwell and be pumped to the plant when power is restored. A drain line will be provided from pond cell no. 1 to the wet- well. This line will allow this cell to be drained for periodic maintenance of air diffusers. ^ a !IIf � -8- .. n n .. .. ACTIVATED SLUDGE PLANT I I The proposed activated sludge plant will have an 80-foot inside "' diameter exterior concrete wall. Prefabricated/field-erected steel division walls will divide the interior into aeration, clarifier, digester and outlet basins. Steel walls will be capa- ble of withstanding full hydrostatic pressure during dewatering. The design criteria for this alternative is shown in Table 2 . TABLE 2. - Design Criteria for 0. 50 mad Activated Sludge Plant Parameter Design Value Lift Station Pumps - No. 2 Capacity - gpm each 870 ... Bar Screens - Basket Screen in Wetwell 1/2" round bars, @ 2 3/4 in o.c. Fine Screen at Flow Measurement 5/16 l'x2" bars, @ 1 1/8 in o.c. m Aeration Basin - Volume - Gallons 250,000 Operating Flexibility Plug flow Contact Stabilization Side Water Depth - ft. 14 . 5 Organic Loading - lb BOD/d/1000 cu. ft. 28 Hydraulic Detention Time - hrs 12 IMean Cell Residence Time - days 10 - 28 Oxygen Required - lb/day 1,220 Clarifier - No. 1 Diameter - ft 35 Side Water Depth - ft 14 Surface Overflow Rate - gpd/ft2 520 Porn Return Sludge Pumping - Capacity - gpm 50 - 350 Control Time Clock Flow Measurement V-Notch Weir Sludge Production - lb/lb BOD5 0. 80 Digester - Hyd. Det. Time - days 23 Volume - gallons 178,800 Disposal by Contract Hauling Disinfection - Det. Time-min. @ Eq. Peak Flow 30 Size - 4.5 ' W x 5.75 ' D x 61 ' L each of 3 Channels Disinfectant - 10 mg/1 Chlorine ,. Dechlorination - 6 mg/1 Sulfur Dioxide - -9- x n The clarifier will have two separate sludge hoppers for sludge wasting and return to aeration basins. The return sludge pump will be a non-clog submersible, mounted on a slide rail system. The waste sludge pump will be a small self-priming diaphram type in a heated enclosure. The amount of sludged pumped will be controlled by on-off timers. Diffusors in both the aeration basin and digester will be the flexible sleeve type that produce a reasonably fine bubble and good transfer efficiency. Digester decant will be with a portable submersible pump. II ^ Because of the low intial flows the aeration basin will have a hydraulic division wall that will allow use of part of the basin at start-up, and high flows operation of the plant in a contact stabilization mode. ^ The plant will be designed to flow by gravity from the influent screen/flow measurement structure to the river during a 100-year flood. The top of concrete wall will be 3 feet above grade to act as a guardrail. The exterior 22 .5 foot wide ring will be divided into three segments of 204°, 146°, and 10°, for the aera- tion basin, digester and outlet chamber respectively. Phase 2 facilities will be identical to Phase 1. Phase 3 facili- ties will include the addition of two 40-foot diameter concrete clarifiers and conversion of the Phase 1 and Phase 2 plants to aeration basins with a detention time of 17.5 hours as required to provide partial nitrification. The proposed plant layout is shown in Figure 1. .. Activated Sludge Plant Advantages and Disadvantages Advantages: 1. Higher quality effluent possible. 2 . Easily upgraded to meet more stringent treatment requirements for ammonia removal as anticipated in the future. 3 . Low energy consumption per gallon of wastewater treated. Disadvantages: 1. High operating costs. 2 . Requires a more highly trained and paid operator. 3 . Requires routine sludge disposal with associated monitoring and coordination of hauling. 4. Effluent quality is more susceptable to mechanical failure or .- operator error. vs, . ._ Q N Z t I o Q I o W_ w Z 8 Ill U Z I J Z Z P ' I- Nil co oo0 co Q NI O Ill CD D \\ ° Q d m mil j .\` 0 0 W \\ a (n ., d - 0 0 W J Z Q Z ILcn - a °�- W 1 W ‘ _.i et< 4 V ‘ _i41 . \ Q , = U :!): a) °Mpi cjajal �. _r7\ N • c m , �� I a � � MI lin \ iti: \ �� Ill im CO tally \ X '�, wwi 4 lik : z`� � w 0111 11.1 \' Suat W W ‘ t. 0 ZU q Z Z 1 Z J lQ _0 QW \ d i Q Oz F- _J w - w ° =o ill 11-1 i--� \ �W 0 UU cn3 H D0 w— l d W Elul I u n ,"e I .. f • POND SYSTEM The pond system was configured around six cells with provisions for phase construction. Cells 1, 2, 5, and 6 be constructed in Phase 1. Cells 3 and 4 will be added for Phase 2 and 3 expan- - sion, respectively. The process design for.the pond system is based on the following design criteria. BOD5 Reduction Equation: Le = 1 .. Lo 1 + Kt* T Le = Pond Effluent BOD5 Kt = Biological Rate Constant Lo = Pond Influent BOD5 = 0.5 at 20°C T = Detention Time (Days) The Kt value for cold weather conditions is used for design since this condition will limit BOD5 reduction. The relationship used to adjust the Kt value for an operating temperature less than 20° is: Kt = K20* 0(T-2p) = Temperature Correction Coefficient = 1. 075 T = Average Operating Temperature of Pond Contents This design equation must be applied sequentially to each cell. Cell 6 is assumed to be a short detention time settling cell in which limited BOD5 reduction occurs due to solid settling. Multiple level draw-off below the surface will be provide in Cell 6 for proper solids and scum separation. 1 ^ The system was designed for an influent BOD5 concentration 220 mg/1, influent temperature of 10°C at design capacity and winter conditions. The design effluent BOD5 concentration will be less than the effluent limitation of 30 mg/l BOD5 prior to settling. Cell 1 will use diffused air to maintain the sewage temperature drop to 1°C per day. Cells 2 through 5 will be aerated with floating surface mechanical aerators and will have an estimated drop in temperature of 3°C per day with a minimum temperature of 2°C. Using the above equations the system performance is shown in Table 3 . -12- C.n .R r17 I. n n r- . TABLE 3 . Pond Performance and Criteria Cell Detention Depth Temp. Change Temp. Kt Eff. BOD No. Days Ft C/Day C Coef mq/1 p- IPhase 1 (0.5 mgd) 1 3 11 -1 8 .218 130 I^ 2 9 10 -3 2 .136 58 5 9 9 -3 2 . 136 26 6 3 9.5 -1 2 IPhase 2 (1.0 mgd) .- 1 1.5 11 -1 9 .230 159 2 4.5 10 -3 2 . 141 97 3 10. 0 8 -3 2 . 136 41 5 4.5 9 -1 2 .136 25 I " 6 1.5 9.5 -1 2 Phase 3 (1.5 mgd) 1 1 11 -1 9 .234 174 2 3 10 -3 5 . 169 115 3 6.7 8 -3 2 . 136 60 1 " 4 5 8 -3 2 .136 36 5 3 9 -3 2 . 136 25 6 1 9.5 -1 2 — Mechanical aeration requirements were sized based on a unit oxy- gen transfer requirement of 1. 4 lb 02 per lb BOD5 removed. For Phase 1, three 5-HP floating aerators would be installed in Cell 2, and two 2 1/2-HP floating aerators would be installed in Cell I ^ 5. Cell 6 will not be mechanically aerated or mixed. Cell 1 air requirements were based upon 0. 6 lb 02 per lb BOD5 and 4. 6 lb 02 per lb NH3 removed during summer operations. IThe proposed pond system layout is shown in Figure 2. A proposed future plan to expand the Phase 1 ponds to a design I ^ population of 10,000 and 15,000 is also shown. The addition of Cell 3 and Cell 4 allows the cells to operate in series. This achieves a significant expansion of treatment capacity with the addition of minimal pond volume. IProposed layouts include piping flexibility to operate with any cell out of service and to vary water depths from the depth shown I in Table 3 . A berm width of 10-foot, side slopes of 3 :1, and 3- foot freeboard are proposed for proper maintenance. The bottom of each cell will be sealed with 5 to 11 tons per acre of Benton- .." ite. r:44 9 ii 2 e, rf .. tat , 0 7 ' i \ Uco cia W �, Wo, 03 a °� Quw 1 c0 a/ E :o W. .ji \f Z W . i A / II i ,N. 1 / W , W >- \ r______ ` U 0 co cn et i W / w o- ` Win W I I Z I p U)N Z \' �\ a Qtt III a ‘, d \` ; ci D a I 1 __ 2 K -_, 2 W 4 Z \\ ` ' W ID Q\ W N� 3 � I OC9 0 I - fy 0W ' o(Z_ ,\ d L p Q n '�— J 01 Z p � _ = Q : 0m WW a a \I-CI-AC— K-----N-' \ ‘ I IllCi_J0IX \ a L, WI-- d W W N .OM NLEI NO4 ,, 0_71- z 0 (i) I :11 DO W ' 0H OO03 a `` X31 s •• - > : a UJ Z III 0 ,.. ----------- _00a al • _ . `J Pond System Advantages and Disadvantages Advantages: ^ 1. Lowest capital cost. 2. Lower operator skills and general operating costs. 3. Easily expandable to higher design loads. 4. Does not require routine sludge disposal. ( 5. Less mechanical equipment requiring routine replacement. Disadvantages: 1. High energy consumption per gallon of wastewater treated. 2. Will not meet effluent nitrification (ammonia) requirements during Phase 3 without add-on technology currently not de- fined. 3. Requires major sludge removal and disposal effort at future �. date (typically 20-30 years) . 4. Odor potential is higher for short periods typically twice per year during "turnover. " Limited construction in the 100-year flood plain will require a hydrologic analyses. Weld County regulations do not allow any construction which would raise the 100-year flood level upstream. Construction in the 100-year flood plain will require a Weld County Permit. r" Nitrification with Pond System Nitrification will not likely take place in the pond system be- tween October and May due to the low pond temperature. Effluent ammonia concentrations measured from ponds during cold weather ranges typically from 20 mg/1 to 30 mg/1 which exceeds that per- mitted during the month of December, and February through April during Phase 3 . Add-on aeration facilities do not remove ammonia because of the !— low waste temperature after long detention time in the ponds. No successful application of add-on facilities have been located. It is believed that the following add-on technology is feasible for ammonia removal: 1. Breakpoint chlorination and dechlorination. This method will require high-tech controls and high chemical costs. 2 . Chemical addition for pH adjustment and air stripping. This method will also have high operating costs. 3 . Short-term complete mixed aerated ponds. This method would hopefully require the least overall first cost and nominal increase in power cost, but have not been demonstrated. FP' -15- �.n .. Complete Mix Pond System A complete mix pond system uses complete mixing in the first cell, partial mixing in the other cells as required to limit ( solid deposition, and short detention time along with diffused air to maintain pond temperature. With this type of system, Cells 1, 2, and 3 would be used for aeration, and Cell 6 for set- tling. Cell 3 would be available for emergency or additional capacity. Cell 4 would not have to be constructed. The deten- tion time would be 7 days in the aerated cells and drop in pond temperature can reasonably be expected to be only 4°C to 5°C. The proposed pond system layout and use of diffused air in Cell 1 will allow some evaluation of this method during Phase 2 . The aeration could be limited to Cells 1 and 2 with a detention time of 6 days. The standby blower could be used to provide the addi- tional air requirement during these evaluations for average plant .. flow of less than 0.91 mgd. Plant Addition "- Effluent ammonia requirements can be meet by derating the Phase 1 and Phase 2 ponds to 0.8 mgd capacity. A 0.7 mgd plant would be constructed to remove ammonia as required by the stream stan- dards. Raw wastewater flow would be split between the plant and pond system as determined by optimum operation and maintenance costs. PP Imo Poo vim ( ( ( -16- ( OXIDATION DITCH The oxidation ditch system has proven to provide a consistent, high degree of treatment. The alternative developed for evalua- tion consisted of a 46-foot diameter clarifier with a ditch around the circumference. The facilities would be sized for nitrification as expansion would be difficult in future phases. ( The deep oxidation ditch (15-foot water depth) with jet aeration would be 18-feet wide. The oxidation ditch was sized to provide a Mean Cell Residence Time (MCRT) of 22 days at a Mixed Liquor Suspended Solids (MLSS) concentration of 3500 mg/l. This provid- ed a hydraulic detention time of 20 hours in the ditches at de- sign flow. Expansion in Phase 2 would be a ditch around the circumference with a 13-foot width. Phase 3 expansion would be similar to the — Phase 1 facilities and located to the east. The Phase 1 clarifi- er was sized so that plant capacity could be doubled later with- out" an additional clarifier of equal size being added. Sludge return from the clarifiers to the oxidation ditches would be provided by two non-clog centrifugal pumps. Space will be pro- vided for a future sludge pump and blower. Processes and major equipment included in the 0.5 mgd oxidation ditch alternative are listed below. (1) Packaged pump station and wetwell. (1) Parshall flume flow measurement. (1) Fine handcleaned bar screen. (1) Activated sludge aeration in 418, 810 gal. oxidation ditch with jet aeration (3-7.5 hp) liquid pumps and (3-7.5 hp) blo wers. (1) 46-ft diameter circular clarifier with sludge collector and 14-ft side water depth. (1) Return sludge hopper and (1) waste sludge hopper each. (2) Non-clog centrifugal return sludge pumps. (2) Progressive cavity waste sludge and scum pumps. (1) Chlorine contact basins with provisions to bypass 1/2 basin. Dual-feed chlorination equipment. Dual-feed sulfur dioxide dechlorination equipment. (1) Holding pond with diffused aeration. Sludge disposal on contract basis. The site plan layout will be very similar to the activated sludge plant layout with the basin diameter of 86 feet. Sludge pumps would be in the basement of the control building. The holding pond would have to function as an aerobic digester with decant .. facilities to allow for some additional sludge stabilization and solids concentration. • -17- r t"+ .. CHLORINE CONTACT BASIN The chlorine contact basin would be similar for all alternatives and provide 30-minute detention time at equalized peak flow. Phase 1 facilities would be designed so that an expansion of these facilities is not required until Phase 3. The facilities would be provided with baffle walls as required to provide the required 40: 1 length to width ratio. Provisions will be provided to take half the facilities out of service for cleaning. Disin- , fection would be by chlorine addition in the Cell 6 effluent box or plant outlet basin. Dechlorination would be with sulfur diox- ide at the basin effluent weir and scum baffle. HOLDING POND A holding pond is proposed for all three alternatives. The func- tion of the pond is primarily for emergency purposes and relia- t bility. The pond would function as equalizing storage, limited sludge storage during winter conditions, and limited sludge con- centration depending on the alternative. The pond will have a 232, 000 gallon capacity and 6-ft liquid depth, which will provide a maximum of 30-day sludge storage or 11-hour wastewater flow detention during Phase 1. An additional pond is anticipated for Phase 3 or as experience may dictate. The pond can also be used when any planned plant dewatering is required for maintenance. CONTROL BUILDING A control building is proposed to house the chlorination, dechlo- rination, blower, and electrical control facilities as well as room for a small office/laboratory and restroom. The flow meas- uring flume and fine screen facilities will be attached. A 15 gpm domestic well with hydro-pneumatic tank or tanks, or a con- nection to a rural water system is proposed for a supply water. The proposed building will be of concrete block construction with insulated walls except in the blower area. All rooms will be provided with ventilation as required. Consideration will be given to dissipate excess electrical and blower heat. Electric heating is proposed for all areas except the blower area. .- The floor plan for the control building associated with the pond system is shown on Figure 3 . Floor plans for the other alterna- tives would be modified slightly. I ' ^ -18- ; , 7.D r FUTURE - m OW - a IPA Qa �--- -... .. 0 [ 1 .. Q( nay— I Q I • OOM LAB- r PARSHALL OFFICE FLUME I i i FUTURE ' CL, SO, I ` ( - Donohue BUILDING FLOOR PLAN FIGURE 3 n .. SLUDGE DISPOSAL ,. The oxidation ditch and activated sludge plant alternatives re- ( move the organic pollutants from the wastewater. The remaining pollutants are in the form of waste sludge. This sludge must be treated further and disposed of in an environmentally safe man- , — ner. Projected sludge production and disposal requirements for the 0.50 mgd plant or oxidation ditch are as follows: Yearly Average Flow - mgd 0.50 Waste Sludge - lb/d 780 Digested Sludge - lb/d 537 - gal/yr at 2% - 3, 000 1,706, 000 gal load/yr 569 Sludge Reuse Sludge reuse as a fertilizer and soil conditioner has become the preferred municipal sludge disposal method. When carried out within the regulations, a sludge reuse program makes maximum benefit of the sludge resource without causing harmful side effects to the environment. Sludge Disposal Conclusions The following conclusions were drawn from the investigation of sludge reuse potential. 1. Good potential does exist for sludge reuse on available agri- cultural lands. ^ 2.. Some storage should be provided because winter spreading may not always be available. 3. Contacts should be made with potential sludge haulers so that services are available by the time the plant is completed. it -20- rn r- n n fc- . COSTS �,. _ Capital Cost { Estimated project costs for the three alternatives are shown in Table 4. A 0.5 mgd capacity was used as the basis for comparison of alternatives. Based on capital cost alone, the pond system falternative has the least cost at $950,000. A detailed construc- tion cost breakdown for the 0.5 mgd activated sludge plant and pond system, and oxidation ditch are included in the appendix. ( — It should be noted that all costs are in today's dollars and do t not include electric service to the site. It should also be noted that some costs such as for legal and city administrative C^ costs have not been clearly defined. TABLE 4. Alternative Capital Cost Estimates ( 0.5 MGD 0.5 MGD 0.5 MGD A-Sludge Pond Oxidation ' Ira Plant System Ditch I Plant: I - Est. Construction Cost $842, 000 $825,000 $1,200, 000 Engineering, Admini- $141, 000 $125,000 $169,000 stration, Legal ESTIMATED PROJECT COST $983, 000 $950,000 $1,369,000 ( - Cost Evaluation I ^ To complete the cost evaluation of alternatives, the operation and maintenance costs of each alternative were computed. When I ^ the annual O&M cost is combined with the amortized capital cost, the total annual cost of an alternative is realized. This infor- mation is presented in Table 5. The pond system has the lowest annual O&M cost at $40, 000 per year. I 1 ^ a -21- flc;, ' ryri es. r1 F TABLE 5. Total Cost Evaluation of Alternatives Total Capital Amortized Annual Annual '�' � Alternative Cost Capital Cost* O&M Cost Cost 0.5 MGD A-Sludge Plant $983,000 $147,000 $70,O00 $217,000 0.5 MOD Pond 950,000 141,000 40,000 181,000 0.5 MGD Oxidation Ditch 1,369, 000 204,000 70,000 274,000 ffr 1 * @ 8% for 10 years I . I ' ^ I- I 1 ' P" -22- n n COMPARISON OF TREATMENT ALTERNATIVES The three alternatives were ranked for relative attractiveness in { the Service Plan. Detailed studies still confirm that the aerat- ed pond system is the most attractive alternative and the ranking f^ was the same. 1 Cost Considerations rr ( The major concern during the initial stages of the District de- velopment is both the first cost and operational costs. Further consideration will not be given to the oxidation ditch alterna- tive because of high costs. The pond system has only 3 percent less first cost than the pre- fabricated activated sludge plant, but has about 43 percent less operating costs. The pond system has reduced operating costs due to less skilled operator requirements, less operator time, less � �- mechanical equipment to maintain and replace, and elimination of initial sludge hauling and disposal costs. According to the Service Plan, the Phase 2 facilities are scheduled for completion in only 2 years after the initial improvements. The Phase 2 cost for the pond system is about 50 percent less than the cost for an expansion of a prefabricated activated sludge plant. The savings would be about $230,000 and is of utmost importance to a District that's only been in operation a few years. r Sanitary Design Considerations All of the alternative systems will have some problems during the initial operation when they operate at a rate far below their design capacity. The prefabricated plant would have the aeration basin divided to allow operation with only part of the basin in � .. service during start-up. The pond system will have Cells 1 and 6 filled with water prior to placing in service. Cells 2 and 5 will be placed in service as the District develops, since it will require about 300 equivalent population to replace liquid loss 1 r due to evaporation alone during summer operation. The prefabricated activated sludge plant can produce a high quai- l .- ity effluent, but is susceptable to mechanical failure or opera- tor error. The pond system can meet the relaxed effluent requirements, but will experience turnover problem twice each year. Use of pond storage by varying the liquid depth and use of more than normal aeration time will be required to reduce pond turnover problems. The pond system will require monitoring by a less skilled operator. r� -23- '�"> `• I ^ f ^ Both the prefabricated activated sludge plant and the oxidation ditch provide a high degree of sanitary design confidence for Phase 1 and expansion capability to meet more stringent treatment requirements at a later time. Other Considerations Sludge disposal will be a regular operational requirement for the activated sludge plant while the pond system will not require a major cleaning effort for many years. { The pond system will require more energy due to summer nitrification and lower oxygen uptake rates. Chlorine usage will be less for the pond system due to natural die-off of fecal coliforms due to the long pond detention time. All the alternative treatment facilities will produce some odor. The pond system has the highest odor potential during the short I turnover period. r ^ The pond system will have a less attractive appearance than the other alternatives and may require landscaping when future devel- opment occurs. Selected Facility The aerated pond system is selected for the 0.5 mgd wastewater treatment facility based primarily on cost considerations. The negative aspects of the pond system are not major items, and the system can function acceptably. EP- This system will require most of the site area and additional site considerations will have to be made during final design. Provisions and location for a possible Phase 3 mechanical plant { will have to be determined. The mechanical plant can be located in the holding pond area. A fine bar screen will not be required for this system, and the basket screen openings will be reduced to 1-inch clear to reduce a fraction of the rags which could plug the raw wastewater pumps. Other installations have not had high maintenance or operating problems with this type of basket screen. Freezing problems will be reduced by using a submerged diffused aeration system in Cell 1 and submerged motor mechanical aerators, or aerators with a small heater for de-icing. fran -24- ( '. Minor freezing, which would periodically occur on the exposed ( chlorine contact basins and the Cell 5 control weir will not harm the process, nor the structure. Effluent flow from the chlorine contact basins will be measured by a 90° V-notch weir, and flow , ^ sensing, totalizing, and recording equipment. Sulfur dioxide will be added at the effluent weir for dechlorination. f ^ Proposed construction for the control building includes block walls with an insulating stucco type exterior finish. This fin- ish is available in many earthtone colors. Single-ply balasted membrane roofing is recommended for the roof. Schedule • � r- The pond system can be constructed in less time than the other alternatives. Most of the equipment is readily available, and the packaged pump station delivery and installation will be the controlling factor for construction time length. Pump station delivery could be as much as 24 weeks after approved shop drawings. Construction time of 8 months is reasonable. Site application approval may take 3 months. Final contract construction documents can be started during this period if reviewing agencies are in general agreement with the proposed - plan and if the District accepts the recommendations of this preliminary design. State approval, bidding, and award of construction contract could ^ require a 2-month time period. The treatment facilities should be operational by November or December of 1987, based upon the above time constraints. 7 I I . II 7 -25 • - 1 r ^ r'1 APPENDIX Pages Colorado Department of Health Letter (9-27-85) A-1 & A-2 Colorado Department of,Health Letter (6-24-86) A-3 ( ^ Donohue Letter/Effluent Ammonia Nitrogen Table(6-18-86) A-5 & A-6 Ir Detailed Construction Cost for Plant A-7 & A-8 (( r- Detailed Construction Cost for Pond System • rA-9 & A-10 I f ^ Detailed Construction Cost for Oxidation Ditch A-11 to A-14 I p- p- 0.• r- ,-; .y may., -26- ^ t,+� �) it ( ^ COLORADO DEPARTMENT CF HEALTH Richard D. Lamm " ' Thomas M.Vernon, M.D. Governor 1 8 7 6 Executive Director r Lt ak-cSeptember 27, 1985 a,y Mr. Larry D. DeMers . M&I/Donohue, Inc. eml 4710 South College Avenue Fort Collins, Colorado 80525 Re: St. Vrain Sanitation District Preliminary Effluent Requirements Dear Mr. DeMers: The proposed wastewater treatment facility would discharge to Segment 3 of the St. Vrain River in the South Platte River Basin. This segment, beginning a Hygiene Road and ending at the Platte River, is classified for Recreation Class 2, warm water aquatic life Class I, and agriculture. The facility would have to meet all Federal requirements for secondary treatment, and in addition should be prepare to provide for dechlorination year-a-round and possibly ammonia reduction for several months of the year. Applicable water quality standards for total residual chlorine (TRC) and unionized ammonia are 0.003 mg/1 and 0.06 mg/1, respectively. The City of Longmont already discharges to Segment 3, and their permitted effluent limits allows them to use the entire assimilative capacity of the River, with respect to ammonia at their point of discharge. The facility you are proposing appears to be about seven miles downstream from the Longmont discharge, therefore, some nitrification of the ammonia will occur between the two discharges. The most critical months with respect to a unionized ammonia are March, April, and August. A 1 mgd facility should be prepared to meet 10 mg/1 total effluent ammonia during those months. Secondary treatment for the facility appears adequate for the remaining months assuming an average total ammonia in the effluent of about 20 mg/l. Total residual chlorine in the — effluent should not exceed 0.06 mg/1. The above analysis is based on a Q7-10 for the St. Vrain near the mouth (USGS-06731000) of 28 cubic feet second. Temperature, pH and instream total ammonia were based studies done for the Longmont discharge permit. Background ammonia above the proposed discharge included that remaining from the City of Longmont after nitrification occurred. Nitrification was allowed to occur more rapidly when the water was warm. ( ^ 4210 EAST 11TH AVENUE DENVER,COLORADO 80220 PHONE (303) 320-8333 A-1 r Mr. Larry DeMers ^ M&I/Donohue, Inc. September 27, 1985 .• Page Two ^ The effluent limits provided in this letter are preliminary and are intended to guide in the design of a wastewater facility that will meet adopted water quality standards for the St. Vrain River. The Division will consider any additional data you may wish to submit prior to issuing the discharge permit. If you have any questions please contact me at 320-8333, extension 3706. Sincerely, fa 4-f401 1611- CWeAt\ Robert Owen Senior Water Resources Specialist JRO/cr cc: Tom Bennett ^ ^ I ' L I '. ^ A-2 ^ py. ess: or 0L Li4,06 Js.or,n �� Y� - _ � �.�. ltsaC JUN 2 .7 gas _ COLORADO DEPARTMENT OF HEALTH Richard D. Lamm -9E, �" " ~� * Thomas M. Vernon, M.D. Governor la 76 Executive Director June 24, 1986 ^ Mr. Larry D. DeMers Donohue and Associates, Inc. ^ 4710 South College Avenue Fort Collins, CO 80525 RE: Preliminary Effluent Limits, St. Vrain Sanitation District Dear Mr. DeMers: ^ I reviewed the velocity/discharge data you obtained for the St. Vrain Rider and concur that an average velocity of 1.0 foot per second is appropriate for calculating travel time between Longmont and the subject facility. Accordingly, the effluent ammonia you propose in the table dated June 18, 1986 is acceptable. ^ Sincerely, 'ROl it - CWT Fon J. Robert Owen Water Resources Specialist Planning and Standards Section Water Quality Control Division JR0/caw • • cc: William A. McKee, WQCD • • Dave Akers, Permits and Enforcement, WQCD II� l �•' .` "7 4210 EAST 11TH AVENUE DENVER, COLORADO 80220 PHONE (303) 320-8333 • 4 ,---, A-3 r r", c I . ii-e 212 . 000 A.2 .c. June 19, 1986 I ., Mr. J. Robert Owen Colorado Department of Health Water Quality Control Division 4210 East 11th Avenue Denver, CO 80220 IRe: St. Vrain Sanitation District IDear Mr. Owen: During our telephone conversation last week, we discussed the travel time (0.21 days) used in the ammonia nitrogen calculations for the proposed St. Vrain Sanitation District permit. As I discussed with you, the actual distance between the City of Longmont discharge and the proposed SVSD discharge is about 11 miles versus the 7 miles used in the original calculations. As per your recommendation, I contacted the Colorado Division of Water Resources and obtained flow data for the St. Vrain River at Lyons and Platteville. Flow data for the water year 1984 - 1985 .. is listed below: LYONS PLATTEVILLE I ..- Flow,cfs Velocity, fps Flow,cfs Velocity, fps January 22 .4 0. 68 135 1. 67 February 23 . 6 0.53 214 2 . 06 March 20.7 0. 67 157 1.91 April 25.3 0.75 130 1. 67 May 161 1.95 296 2 . 18 June 187 2.13 395 2.24 July 164 2 .07 241 2 . 04 August 94.7 1.58 162 1.86 September 41.8 0.99 187 2 .09 October 33 .4 0.82 114 1. 02 November 27.1 0.72 182 1. 44 December 20. 9 0. 61 239 1.79 . MIR .. A-4 n For the Q7_10 values used in the ammonia calculations (20 to 80 cfs) , it appears that a stream ve ocity of 0.5 to 1.5 ft/sec is realistic. The travel time between the Longmont and SVSD .- discharges is about 0. 67 days given a distance of 11 miles and a velocity of 1 ft/sec. Attached with this letter is a table containing revised ammonia calculations based on a travel time of 0. 67 days. I would appreciate your written comments on this information. If you have any questions on this data, please call (( me. Our Denver number is 572-7740. 1 ►� Very truly yours, DONOHUE & ASSOCIATES, INC. i Larry D. DeMers, P.E. LDD/sz S Enclosure cc: Mr. Jeffrey LeDoux, Nelson Engineers Mr. Ed Moore, Donohue Project Engineer T/L/AC1 f Mr. J. Robert Owen June 19, 1986 Page 2 A-S in C . 1 r- ST. VRAIN SANITATION DISTRICT r AMMONIA NITROGEN CALCULATIONS JUDE 18, 1986 r N3NTH TOTAL NH3 ( 07-10 NN3 K T TO MEET ABOVE �� 3 EFFLUENT EFFLUENT EFFLUENT 0.06 MG/L LONGMONT LONGMONT ABOVE NH3 NN3 .NG 5 (mg/1) (cfs) (mg/1) (1/day) (day) (mmgg/10) LI0.5 MD B 1.0 MOD 0 1.5 MD January 12.8 ,.. February 8.5 24 7.0 0.5 0.67 5.0 242 -- 54 March 5.0 24 7.0 0.5 0.67 5 0 108 121 81 ' April 3.4 23 5.2 1.0 0 67 2 7 70 36 20 3.4 1.0 0.67 35 23 May 4.8 30 3.4 1.7 43 21 14 June 3 7 2.0 0.67 0.9 121 60 0 es 3.2 2.0 0.67 0.874 • July 4.6 80 2.8 3.8 0.67 0.4 437222 211 46 ^ September 2.5 August 1.9 55 1.4 3.0 0.67 0.2 122 218 146 .- October 2.5 48 2.4 3.0 0.67 135 61 41 400.3 68 45 November 7.0 30 3.4 12.0 0.67 3.6 132 65 43 December 7.0 1.0 0.67 3.6 132 6.8 25 6.8 0.5 0.67 4.9 66 21 63 31 21 la a r r- I ' r. r- !. pi. I A-6 r. n f 1 ST.VRAIN WASTEWATER TREATMENT PLANT 10,07,86 Page 1 Description Unit Quant. Unit Total Cost Cost $ S PACKAGED PUMP STATION Equipment 2 @ 20 Hp. L.S. 1 113,000 Concrete base slab cu.yd. 22 200.00 4,333 Concrete walls cu.yd. 19 250.00 4,667 Concrete susp. slab cu.yd. 1 275.00 321 Excavation & bakfill cu.yd. 436 4.00 1,745 Influnet Sewer lin.ft 255 36.00 9, 180 Piping W.W. to P.S. lin.ft 14 20.00 280 Piping P.S. to screen lin.ft 40 20.00 800 Pio Piping overflow lin.ft 200 18.00 3,600 • Basket screen L.S. 1 1,000 Access hatch 3'x3' ea. 1 819.00 819 '= Hoist ea. 1 630.00 630 Electrical L.S. 1 12,000 .. Subtotal $152,375 SCREEN & FLOW Excavation & backfill cu.yd. 64 2.50 159 Concrete cu.yd. 17 250.00 4, 167 .. Parshall flume 9" L.S. 1 Incl.Elec. 4,000 Slide plates ea. 2 600.00 1,200 Bar screen ea. 1 390.00 390 I.'. I Subtotal $5,590 PACKAGED PLANT ", I Equipment S. Walls L.S. 1 285,000 Concrete-slabigrade cu.yd. 196 200.00 39,119 Concrete-walls cu.yd. 152 250.00 38,080 Effluent Box ea. 1 2,000 Piping influent lin.ft 200 38.00 7,600 Splitter box L.S. 1 3,000 Piping drain & waste lin.ft 100 16.00 1,600 ,.. Piping air to bldg. lin.ft 100 12. 14 1,555 Electrical L.S. 1 6,000 Subtotal $383,954 CHLORINATION FACILTIES IConcrete base slab cu.yd. 42 200.00 8,307 Concrete walls cu.yd. 33 250.00 8, 189 �• Concrete susp. slab cu.yd. 1 275.00. 321 I Excavation & bakfill cu.yd. 169 2.50 422 Piping plant to CL2 lin.ft 160 32.00 5, 120 Piping chemical 1.5" lin.ft 200 10.25 2,050 ^ I SO 2 equipment L.S. 1 8,000 CL 2 equipment L.S. 1 7,000 V-notch weiriaccess. L.S. 1 Incl.Elec. 3,600 n Subtotal $18,600 IL ' it--7; r rr 1 . 1 ST. VRRIN WASTEWATER TREATMENT PLANT 9 '17,1986 PAGE 2 ,.., Description Unit truant_ Unit Total Cost Cost S $ r CONTROL BUILDING Concrete grade slab cu.yd. 24 200_@0 4,759 Concrete walls cu.yd. 35 250.00 8,761 Concrete susp. slab cu.yd. 20 275.00 5,503 Gravel base cu.yd. 9 12.00 107 Excavation & backfill cu.yd. 235 2.50 587 Building sq.ft. 672 30.00 20, 160 I Handrail l.f. 31 17.25 535 Stairs risers 16 116. 15 1,858 Furnishings L.S. 1 2,000 '•' Blowers pos. (P 25 Hp. ea. 2 6,400.00 12,800 I Piping L.S. 1 4,013 Mechanical H&V Plum. L.S. 1 1,994 r,. Sump pump L.S. 1 In mech. Electrical Bldg. L.S. 1 3,988 Electrical Blowers L.S. 1 12,000 Subtotal $67,064 WATER SYSTEM Water well 60' 15 gpm L.S. 1 1,800 P" Well pump 1,2 Hp ea. 1 1,800 1,800 Hydro tanks WX-302 ea. 2 506.40 1,013 Piping & wire 1.1. 400 2.30 920 r„ Piping system 1" 1.f. 100 8.25 825 I ' Electical L.S. 500 Subtotal $6,858 ^ SITE WORK Fine Grading s.y. 7,611 0.50 3,806 Seeding s.y. 3,806 0.40 1,522 Gravel road & parking s.y. 2,444 11.00 26,889 I Fence l.f. 2,600 10.00 26,000 Excavation E. pond c.y. 1,018 2.25 2,291 Backtill E. pond C.Y. 996 1.50 1,494 Bentonite Lining sq.ft. 9,025 0.50 4,513 IPiping & diffusors L.S. 1 1,000 ✓ Subtotal $67,514 ISUBTOTAL $701,955 ICONTINGENCY 20.0: $140,391 TOTAL CONSTRUCTION COST $842,346 a I r r ' I A-8 fr rm r 1 ST. VRAIN WASTEWATER TREATMENT PONDS 9,16,1986 PAGE 1 Description Unit Quant. Unit Total Cost 1 PACKAGED PUMP STATION $ Equipment C-2-15 Hp L.S. 1 112,000 ,., Wetwell facilities L.S. 1 16,000 ( Electrical L.S. 1 12,000 Subtotal $140,000 I ' HOLDING POND L.S. 1 9,400 v- SCREEN & FLOW FACILITIES L.S. 1 5,600 CELL NO. 1 Earth Work Excavation cu.yd. 5,003 2.25 11,257 Backfill cu.yd_ 4,908 1.50 7,362 Bentonite Lining sq.ft. 30,000 0.50 15,000 • r CELL NO. 2 Earth Work Excavation cu.yd. 10,208 2_25 22,968 , Backfill cu.yd. 9,736 1.50 14,604 Bentonite Lining sq.ft. 76,500 0.50 38,250 CELL NO. 5 Earth Work r Excavation cu.yd. 9,588 2.25 21,573 I ,. Backfill cu.yd. 9,241 1.50 13,862 Bentonite Lining sq.ft. 82,500 0.50 41,250 ✓ CELL NO. 6 Earth Work Excavation cu.yd_ 4,960 2.25 11,160 Backfill cu.yd. 4,744 1.50 7, 116 r Bentonite Lining sq.ft. 31,800 0.50 15,900 Subtotal 220,301 ►' STRUCTURE Control Structures ea. 4 1500.00 6,000 Junction Structures ea. 4 800.00 3,200 Subtotal $9,200 CONTROL BUILDING • - sq.ft. 672 30.00 20, 160 r Conc. on grade cu.yd. 11 200.00 2, 148 Conc. walls cu.yd. 17 250.00 4,296 Conc. on grade slab cu.yd. 20 200.00 4,000 — Execavation cu.yd. 112 2.50 279 Gravel fill cu.yd. 476 12.00 5,712 Furnishings L.S. 1,000 Blowers 10 Hp.& pipe ea. 2 4400 8,800 Inum Mech. & Elec. L.S. 5,000 Electrical blowers L.S. 4,400 es Subtotal $51,396 A-9 n, .. ST. ORRIN WASTEWATER TREATMENT PONDS 9,16,1986 PAGE 2 Description Unit Quant. Unit Total Cost ************************************************************** $ $ PIPING Influnent Sewer lin.ft 110 36.00 3,960 Overflow Line lin.ft 130 18.00 2,340 Pump Lines lin.ft 110 20.00 2,200 Cell Si 1 Piping. lin.ft 480 32.00 15,360 Cell * 2 Piping lin.ft 770 32.00 24,640 Cell * 5 Piping lin.ft 200 32.00 6,400 . Cell * 6 Piping lin.ft 200 32.00 6,400 Outfall Sewer lin.ft 650 48.00 31,200 Subtotal $92,500 AERATION FACILITIES r.. Difussed Air L.S. 30,000 Mech. Aerators 5.0 Hp ea. 3 10,000 30,000 Mech. Aerators 2.5 Hp ea. 3 8,000 24,000 Electrical L.S. 27s000 Subtotal $60,000 r• CL^c & SO2 FACILITIES L.S. 18,600 SITE WORK r, Fine Grading sq.yd. 23,444 0.50 11,722 Seeding sq.yd. 27,600 0.40 11,040 Road sq.yd. 933 11.00 10,267 Fencing lin.ft 4,200 10.00 42,000 Subtotal $75,029 WATER SYSTEM (Well ) L.S. 5,400 SUBTOTAL $687,426 Pm CONTINGENCY 20.00% $137,485 iTOTAL CONSTRUCION COST $824,911 Pm I r I I r IA-10 r I ` lr 9T.VRAIN 0.5 MOD OXIDATION DITCH ESTIMATE SEPT. 14,1986 PAGE 1 • Description Unit Ouant. Unit Total Unit Total Sub Total Remarks Mat'1. Mat'1. Labor Labor Cont'r. *4*1liH-rtt+tt*Httttwtt#*4rht1111ilien***********t►tttwt*4t*1111111!111111 I lt*******44++tt+t##tItttttf111-1H tt • Concrete-slab/grade cu.yd. 250 $200.00 450,000 $0.00 $0 $0 $50,000 Concrete-slab/susp. cu.yd. 50 $275.00 $13,750 $0 $13,753 Concrete-walls cu.yd. 680 $250.00 $170,000 $0 $170,000 15 in./14 ft. swd r. Concrete-hdwks slab cu.yd. 20 $275.00 $5,500 $0 $5,5•+ Structural fill ton 300 $6.00 11,800 $6.00 $1,800 $3,600 ' Dewatering 1.s. $0 $4,500 $4,500 45 days 8 100/d Excavation cu.yd. 11000 $0 $1.32 $14,520 $14,520 • Backfill cu.yd. 2130 $0 $1.28 $2,726 $2,726 . Building sp.ft. 1250 $40.00 $50,000 $0 $50,000 Mechanical l.s. 1 $0 $0 $20,000 $20,000 per Mc6inley • Electrical l.s. 1 40 50 $150,000 3150,000 $0 $0 $0 $0 $0 $0 Parshali/access. l.s $0 Incl. in elect. Bar screens ea. 2 $260.00 $520 $130.00 $260 $780 ow Jet diiff.system i.s. $75,000 $11,500 $86,500 Digester dif./pipe l.s. $20,000 $2,000 $22,000 Blowers ea. 2 $3,024.00 $6,048 $450.00 $500 $6,948 Clarifers ea. 1 $25,000.00 425,000 45,000.00 $5,000 $30,000 Air meters ea. 3 $0.00 $0 $0 $0 Incl. in elect. Return pumps w/v.s. ea. 2 42,401.00 $4,802 4600.00 $1,228 $6,002 Waste pumps ea. 2 $3,200.00 $6,400 $500.00 $1,000 $7,400 Slide gates ea. 2 $3,000.00 $6,000 $760.00 41,520 $7,520 r Access hatch ea. 1 $1,680.00 $1,680 $115.00 $115 $1,795 Hoist ea. 2 $600.00 $1,200 $30.00 $60 $1,260 Stop plates ea. 4 $500.00 $2,000 $100.00 $400 $2,400 Sludge meters ea. $0 $0 $0 Incl.in elect. 50 2 ecuipaent ..s. 1 $2,350 $540 $2,890 CL 2 evuipment l.s. 1 $8,710 $1,070 $9,780 - V-notch weir/access.i.s. Incl. in elect. Air compressor ea. 1 $6,200.00 $6,2200 $125.00 $125 $6,325 Non-potable tank ea. 1 $6,320.00 $6,300 $1,160.00 $1,160 $7,460 Sumo pump 1.s. 1 $0 $0 $0 Incl.in mech. $0 10 40 $0 $0 $8 .. t**t**t***tit***4*t2222*t****ttttttt****4**************t********************tt*t********t**ttttttttttttttt*t*t*tt SJBTDTALS $463,260 $50.396 $170,000 $683,656 A-11 if- l' rrr L ' _..- ST.VRAIN 0.5 MOD OXIDATION DITCH EESTIYPTE SEPT. 14,1985 PAGE 1 i Description Unit Quant. Unit Total Unit Total Sub Total Remarks o'at'l. Nat'l. Labor Labor Cont'r. t 4***lli*tii*i#Hl*it tttlt******E HOI4tlltt4t*Ft4t4tl+ Concrete-slab/grade cu.yd. 250 £200.00 £50,000 $0.00 $0 $0 $50,000 Concrete-slab/susp. cu.yd. 58 $275.00 $13,750 50 $13,750 Concrete-walls cu.yd. 680 1250.00 5178,000 $0 £170,030 15 in./14 ft. swd I ^ Concrete-hdwks slab cu.yd. 20 £275.00 $5,500 $0 $5,500 Structural fill ton 300 $6.00 $1,800 $6.20 $1,800 $3,608 Dewatering 1.s. $0 $4,500 $4,500 45 days @ 100/d ✓ Excavation cu.yd. 11300 40 $1.32 $14,520 $14,528 [ Backfill cu.yd. 2130 £0 $1.28 $2,726 $2,726 L Building sq.ft. 1250 $40.00 $50,0800 $0 $50,000 Mechanical l.s. 1 50 58 $20,080 $20,000 per McGinley Electrical l.s. 1 52 $0 $150,008 $150,000 [ $0 $0 $0 50 s0 $0 , ✓ Parshall/access. l.s $0 Incl. in elect. Bar screens ea. 2 $260.00 $520 $133.00 $268 $780 r Jet diff.system l.s. $75,920 $11,520 $86,500 r Digester dif./pipe l.s. $20,000 $2,200 $22,000 Blowers ea. 2 $3,024.00 56,048 size.ea $900 $6,948 Clarifers ea. 1 $25,000.00 $25,000 ss,eiaa.ea 45,200 $30,808 .. Air meters ea. 3 $0.00 $0 $0 $0 Incl. in elect. I Return pumps w/v.s. ea. 2 $2,401.00 44,802 $600.00 $1,200 $6,202 Waste pumps ea. 2 $3,200.00 $6,400 $500.00 $1,000 $7,400 I - r Slide gates ea. 2 43,000.00 $6,000 $760.00 $1,520 $7,520 r Access hatch ea. 1 $1,680.00 $1,680 $115.s• $115 $1,795 Hoist ea. 2 $600.00 $1,200 430.00 $60 $1,263 i .m Stop plates ea. 4 $500.00 42,000 4100.00 $400 $2,400 I • Sludge meters ea. $0 $0 $0 Incl.in elect. 5D 2 equipment 1.s. 1 $2,350 $540 32,BsD CL 2 epcipaent l.s. 1 $8,710 • $1,070 $9,780 I P-1 V-notch weir/access.l.s. Incl. in elect. Air compressor ea. 1 $6,200.00 $6,220 $125.00 $125 $6,325 r. Non-potable tank ea. 1 56,328.00 $6,300 $1,160.00 $1,160 57,460 C Sump puma l.s. 1 $0 $0 $0 Incl.in mech. $0 50 40 $0 $0 $0 ^" tltf++t+t+tt*******4*****4*a*******1*H*i*tH*******t**4**lttlt*t*********IH***H4*t 441*****t*44*********r **4+ SJBTOTALS $463,260 450.396 $170,000 $683,656 A-11 rr T : I ` . r- I r- I ' ST.VRAIN 0.5 !CD OXIDATION DITCH ESTIVATE SEPT. 14,1986 PAGE 2 r Description Unit Quant. Unit Total Unit Total Sub Total Remarks �, Mat'1. Nat'l. Labor Labor Cent'r. 111 ftf4##f#***t*****tI IlIllf EHHH III Mili##iifMffff*fttfi#**44 fitft#1111 II#f! M r" PI. [ • $0 $2 DIP air, 10 in. I.f. 175 $10.07 $1,762 $11.09 $1,925 $3,687 r• DIP w, 12 in. i.f. 130 $12.79 $1,663 $14.18 $1,843 $3,506 [ DIP w, 16 in. 1.f. 160 $18.99 $3,038 $19.42 $3,107 $6;146 $0 $0 $0 , $0 $0 S0 Fog I DIP return, 6 in. 1.f. 120 $5.58 $670 $6.56 $787 $1,457 DIP return, 10 in. 1.f. 160 $10.07 $1,611 $11.55 $1,848 $3,459 DIP mi, 12 in. 1.f. 215 $12.79 $2,750 $14.18 $3,049 $5,773 - DIP waste, 6 in. i.f. 540 $5.58 $3,013 $6.56 $3,542 $6,556 I DIP non-pot, 4 in. i.f. 225 $5.34 $1,095 $4.72 $968 $2,262 PVC CL 2, 1.5 in. 1.f. 60 $3.25 $195 $7.00 $420 $615 PVC SD 2, 1.5 in. l.f. 152 $3.25 $488 $7.00 $1,050 $1,533 I DIP outfall, 12 in. l.f. 1020 $12.79 $12,790 $14.18 $14,180 $26,970 r• $0 $0 $0 I Painting/damp. l.s. $10,0'00 $0 $10,000 Handrail 1.f. 280 $14.40 $4,032 $2.85 $798 $4,8330 ... Grating s.f. 400 $13.65 $5,460 41.10 $440 $5,900 I Stairs risers 39 $100.00 $3,900 $16.15 $630 $4,530 $0 $2 f2 $0 $0 $0 Pwo [' Grading c.y. 6520 $0 $1.25 $8,125 $8,125 Seeding s.y. 2220 $0.15 $333 $1.20 $2,200 42,530 Landscaping 1.s. $0 $0 $1,500 $1,500 _ Gravel s.y. 2220 $2.94 $5,880 $2.94 $5,880 $11,760 ALL-e>s road incl. [ Fence l.f. 1000 $12.50 $12,520 $0.00 $0 $12,502 $0 $0 $0 ", PV, 4 in. ea. 4 $253.00 $1,212 ' $189.00 $756 $1,768 IAl, 6 in ea. 10 $465.00 $4,650 $125.00 $1,250 $5.900 PV, 12 in. ea. 2 $1,260.00 $2,520 $200.20 $400 $2,920 PV w/gear og.,12 in.ea. 4 $1,350.00 55,400 $225.00 $900 $6,320 CV, 4 in. ea. 2 5150.00 $300 $80.00 $160 $460 I. CV, 6 in. ea. 2 5850.00 $1,700 $140.00 $280 $1,980 PV w/rear op.,6 in. ea. 2 $600.00 $1,200 $125.00 $252 $1,450 .a MM4tM4MMttM444MttM44M4*MtttIJJJIMIMttt4t*MM444M4tM4144t4ttt*t*Ml Ii H HI*MMMM44Mttt44M4444t ISUBTOTALS $87,958 $54,768 $1,500 $144,247 $827,903.15 ( ^ rte ,' - Ny7, A-12 r ,..., r"1 �^ I ^ ST.VRAIN 0.5 M.6D OXIDATION DITCH ESTIMATE SEPT. 14,1986 PR6E 3 1.' Description Unit Quant. Unit Total Unit Total Sub Total Remarks Nat'l. Mat'!. Labor Labor Conti. f#ffftf41-111 455#tftf5556ff#f #ftffffffftfff#ftfft#tt#ff4#ff1fIRieiHHHHHHI 1r„ Misc. valves ea. 20 $75.00 $1,500 $50.00 $1,000 . $0 $0 • Misc. metal 1.s. $2,500 $500 $3,000 Lab bench/access. l.s. S0 $0 $4,000 $4,000 I '— 4 in. 45 bend ea. 2 $57.06 $114 $25.00 $50 $164 4 in. 90 bend ea 7 $50.00 $350 $25.00 $175 $525 4 in. tee ea 2 $93.21 $186 $30.00 $60 $246 ,P— [ 6 in 98. bend ea 26 $80.71 $2,098 $35.00 $910 $3,008 6 in. tee ea 10 $119.31 $1,193 $70.00 $700 - $1,893 6 in. 45 bend $443 $35.00 $210 $653 ff:r. ea 6 $73.89 S0 $0 $0 l $0 $0 $0 10 in. 45 bend ea 2 $141.62 $283 $70.00 $140 $423 "' 10 in. 50 bend ea 19 $163.73 $3,111 $70.00 $1,330 $4,441 10 in. TV ea 3 $2,000.00 $6,000 $250.00 $750 $6,750 10 in. BV ea. 8 $802.00 $6,416 $160.00 $1,280 $7,696 $0 $0 S0 I $0 $0 $0 12 in. 45 ben ea. 5 $190.55 $953 sse.ea $250 $1,203 12 in.90 bend ea. 7 $217.99 $1,526 $50.00 $350 $1,875 I '.. 12 in. tee ea. 2 $345.71 $691 $65.00 $130 $821 $0 $0 s0 $0 $0 $0 .. 16 in. 45 bend ea. 1 $349.37 $349 $170.00 $170 $519 I16x16x12 tee ea. 2 $1,550.00 $3,100 1200.00 $400 $3,500 Pipe/valve access. 1.s. $3,080 $0 $3,0s SO $0 S0 Water well 1.s. $0 $0 $0 $0 Well pump ea. 0 $2,300.00 $0 $345.00 $0 $3 $0 $0 S0 $0 $0 50 $0 $0 $0 $0 $0 $0 I ". $0 $0 $0 $0 $0 $0 $0 $0 $0 se 30 s0 I $0 $0 $0 $0 $0 $2 $0 $0 $0 IPM $0 $0 50 - $0 $0 $6 $0 $0 50 eft SO $0 $0 #ff##t######tHfti44#ff#f#t#fff#t##f#fff#ff##f#f#f#tftt#ffftt#fft#f##4444###t##f#ftt#tf##t#f###t####f#ttf#fff{f1* SUBTOTALS $33,815 $8,405 $4,000 $43,720 $871,623.17 I Pm pC-^ ;-) A-13 ST.VRAIN 0.5 MSD OXIDATION DITCH ESTIMATE SEPT. 14,1986 PAGE 4 r SUBTOTAL $871,623.17 lfTERIAL & LABOR OVERHEAD/NARKLP 20.0% $139,724.63 SUBCONTRACTOR OVERLEAD/MARKIP 11.0% $19,3.5.08 CONTINGENCY 20.0% 5286,130.56 1 ' TOTAL $1,236,783.36 I • I n I ' S r 15 ; Pm. A..,4 WG‘.1A - LOS `'c\\suL, ddrr r'• DEPARfNT OF PLANNING SERVICES ( PHONE(303)356-4000 EXT.4400 915 10th STREET 6 GREELEY,COLORADO 80631 1 .._ _ COLORADO RECEIVED SANIMInN nrnryriN November 12, 1986 NOV 141986 "AD COUNTY HEALTH DEPT. TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. C/ We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommenaation is under consideration and will be submitted prior to 3. ,' / P ease refer to the enclosed etter. / Signed: (ILL) � Agency: Date: 1 r f 1(4 gyW 1,AO Cide, Keith A. Schuett I1c) Current Planner II,11 = 'ti." 111 fr- i Al s-yI \ ,, Cu. Planwisk ,aiunitssi(ir• n r'1 vim, mEmoRAnDum ink To Dept. of Planning Services Dd18 October 28, 1986 nli/ COLORADO From Iles Potter, Director Health Protection Services /V�f.LA I/� St. Vrain Sanitation District Site Application. Subject: The staff of the Health Protection Services Division has reviewed the proposed treatment facility at the St. Vrain Sanitation District. The site application was presented to the Weld County Advisory Board of Health at the regular meeting on October 28, 1986. The Board has reviewed the application and approved the plan as submitted. COP U,JsaCoil 1926 �l Weld Co. Planning Gnonission n DEPARrENT OF PLANNING SERVICES PHONE(303)356-4000 EXT.4400 915 10th STREET lin 41951 GREELEY,COLORADO 80631 f COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to 3. Please refer to the enclosed letter. Signed: 1 LOAA-vim Agency: (A) Q Co-it, Date: It//3 /8'to �,wla t) [i41Q h A. Schuett Current Planner \\ : . _. ! i . 198b -. or•"1 y Well Co. Planawg i:omuusrou J f �� ((fir; C % I: , � of cot() � >>>,.° / �9 WE-87-0007 �, 16 � RICHARD D.LAMM t �'� ,/� i` JOHN W. ROLD GOVERNOR # .•�% 'f DIRECTOR a /876 COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESOURCES 715 STATE CENTENNIAL BUILDING- 1313 SHERMAN STREET DENVER,COLORADO 80203 PHONE(303)866-2611 November 14, 1986 Nelson Engineers 822 7th St. , Suite 520 Greeley, CO 80631 Dear Sirs: RE: SITE APPLICATION, ST. VRAIN SANITATION DISTRICT NW/4, SE/4, S-31 , T3N, R67W If the following conditions are met, then this site is acceptable for the proposed use, based on geologic conditions. 1 . That all facilities be protected from the 100-year flood event on St. Vrain Creek. 2. That all earthen ponds be lined either with a man-made liner or clay that meets permeability standards set by the Colorado Department of Health. If any portion of a pond is within the 100-year flood plain it should be protected from erosion by a suitable rip-rap along its _ outside perimeter. There does not appear to be any other geologic related hazards to this site. • As this site is underlain by sand and gravel and is mapped as Fl (flood plain) deposits, it needs to be reviewed for the economic use of these materials as written in HB 1529. This is a review involving Weld County. If you have any questions, please call . Sincerely, L. R. Ladwig, Chief Minerals Fuels Section cc: Colorado Dept. of Health Water Quality Control Division 4210 East 11th Avenue Denver, CO 80220 bcr:LRL-87-078 3284/12 it I c:. I IJD GEOLOGY -- -------'--�� STORY OF THE PAST.. .KEY TO THE FUTURE Wc'(j Cu. Planning i:Omnmissi 1 01 1.)>Q):jr n `,k 'JTu oiF�.co-o t44. 4 -Fatt$ WE-87-0007 * * RICHARD D.LAMM * �`' i` JOHN\ GOVERNOR * DIRE 18 COLORADO GEOLOGICAL SURVEY ' s:� DEPARTMENT OF NATURAL RESOURCES • 715 STATE CENTENNIAL BUILDING- 1313 SHERMAN STREET DENVER.COLORADO 80203 PHONE(303)866-2611 November 14, 1986 • Nelson Engineers 822 7th St. , Suite 520 Greeley, CO 80631 I. Dear Sirs: RE: SITE APPLICATION, ST. VRAIN SANITATION DISTRICT NW/4, SE/4, S-31 , T3N, R67W If the following conditions are met, then this site is acceptable for the • • proposed use, based on geologic conditions. 1 . That all facilities be protected from the 100-year flood event on St. Vrain Creek. 2. That all earthen ponds be lined either with a man-made liner or clay • that meets permeability standards set by the Colorado Department of Health. If any portion of a pond is within the 100-year flood plain it should be protected from erosion by a suitable rip-rap along its outside perimeter. There does not appear to be any other geologic related hazards to this site. As this site is underlain by sand and gravel and is mapped as Fl (flood plain) deposits, it needs to be reviewed for the economic use of these materials as written in HB 1529. This is a review involving Weld County. If you have any questions, please call . Sincerely, I - Cat%G L. R. Ladwig, Chief Minerals Fuels Section cc: Colorado Dept. of Health Water Quality Control Division 4210 East 11th Avenue Denver, CO 80220 ".0 "T1 L1 'ji . , •il_ ,• '( 1� bcr:LRL-87-078 ( 3284/12 f' ^ •'"• 7`� I `.; • _ :r 'too a . _it GEOLOGY STORY OF THE E AST. .. KEY TO THE FUTURE Weld Co. V13nul1a �llmquS I0II h4v.C L 0J\\\ u-v\ vw...,.re ,,,eee (` ,►-•, DEPARTVENT OF PLANNING SERVICES PHONE(303)356-4000 EXT.4400 915 10th STREET GREELEY,COLORADO 80631 • COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. X We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to 3. Please refer to the enclosed letter. Signed: 1--v ' ; Agency: 1 .-`.f' ` Date: 1.1,AO h A. Schuett I.jki Li 198O Current Planner LI Weld Co. ?landing C6mmissiuh r,.- e e t�oa..a.� .v mcpalDEPAR�ENT OF PLANNING SERVICES Ierr yT�g PHONE(303)356.4000 EXT.4400 t �•�S 915 10th STREET et to 1 GREELEY,COLORADO 80631 WIIDC COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. X We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted, prior to 3. !1' Please %fer to the enclosed letter. Signed: Albin/141//71Yv_Agency: ebedi l riZzli r ' Date: /7-19" :"‘" / Fi/1 u--7 2/C_2- 0 5,9/210Cell iteith A. Schuett 1886 Current Planner �� Weld Co. Mora uum101SE OG DEPAR^�ENT OF PLANNING SERVICES tS PHONE(303)356.4000 EXT.4400 rtimic 915 10th STREET 1 GREELEY,COLORADO 80631 wilg es COLORADO • November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to • your recommendation. Thank you very much for your help and cooperation in this matter. 1. XXXX We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to . 3. Please refer to the enclosed letter. Signed LAY Agency: Little Thompsofate: Nov 18, 1986 JO M. GRUNER, Manager Water District, Berthoud AO Clad/ eith A. Schuett Current Plannerfhilj Pr-r 'I "? Weld Ch. Pia6ntne. ummtssinu DEPARNT OF PLANNING SERVICES p t3 PHONE(303)356-4000 EXT.4400 STREO5 RA O8031 it GREELEY,COLORADO 80631 T WI ik. COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but Iwish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1`,' We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to . 3. Please r er to the enclosed letter. Signed Y1 Agency':' 171)(‘15 , Date: //- 0 -,__476 0 Till FRI—Riff 11 lad/O, Cte, eith A. Schuett ii' 11 Current Planner MI5 - 2 198b '- '-- -1=i ---- - -- '7•9_, weld Co. plannuio omission �~ 1�wuxtA DEPAtRT�R'~'T CE PLANNING SERVICES Al PHONE(303)356-4000 EXT.4400 915 10th STREET ICIte `` GREELEY,COLORADO 80631 "lige COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant). The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. N4 We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to 3. ,. Ple s fer to the enclosed letter. Signed: A,i` Agency:C+n(t;--.tee',h1 Date: (Z(0984::, ill " i9�b h A. Schuett ��! Current Planner • Weld Co. Planning Commissiee n DEPARTfIT OF PLANNING SERVICES V PHONE(303)356-4000 EXT.4400 '� 915 10th STREET W 1.11 t, GREELEY,COLORADO 80631 t • RECEIVED N0V 1 4 1986 COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant). The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25:, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to 3. X Please refer to the enclosed letter. St. Wain & Left Hand Signed: � ` �u ✓ Agency: Conservancy Date: 11/25/86 ` District izat2Claelet Keith A. Schuett Current Planner ten‘ rek Vat}1 ST VRAIN C LEFT HAND WATER CONSERVANCY DISTRICT PRESIDENT Vernon E.Peppier Director at Large November 25, 1986 VICE PRESIDENT George Patterson District? Mr. Keith A. Schuett SECRETARY Weld County Planning Dept. Frank E.Gould 915 10th Street District5 Greeley, Co. 80631 TREASURER RE: Site Plan Application Harold Nelson St. Vrain Sanitation District District 1 Sewer Treatment Plant David Macy Dear Mr. Schuett: Director at Large LesiieWiiiiams The above referenced application has been reviewed District on behalf of the St. Vrain & Left Hand Water Conservancy District. Glenn H.James District3 We have no objection to the proposal in general. However, it has been our experience that applying Harold Leonard bentonite to sandy, gravelly soils will not create an District2 effective seal for the aeration ponds. It is suggested that a 6 inch clay liner be installed, the bentonite Bruce Rester applied with a spreader and immediately disked into District 6 the clay. Alternatives would be lining the ponds with DIRECTOR an impervious membrane or slurry trenching. Our con- EXEEXECUCUTIVE oVE tte cern is insuring that there is no discharge of in- adequately treated effluent to the river. SECRETARY you ou for the opportunity Cynthia Einspahr PP Y to review this application and comment. LEGAL COUNSEL Grant,Bernard, Sincerely, &Lyons CONSULTING cdsdtj9cdteaatr ENGINEER Leslie J. Williams, Jr. Rocky Mounta Consultants,Inc. Executive Director Robert C. Brand ST. VRAIN & LEFT HAND y -'� WATER CONSERVANCY DISTRICT �' all iii 111\J/ 4 LW/ce I i:9V 2C 1986 500 Coffman Street,Suite 106 , Longmont,Colorado 80501 WEld Co. Pi alt01)4P0 . P.P. 117. DEPARTA^IT OF PLANNING C ( PHONELANNI(303)356-4000SERVI EXT.440ES0 SSSS. 915 lath STREET ft GREELEY,COLORADO 80631 COLORADO / A c Li' 1986 tc 4, t ,, November 12, 1986 \ LG ,::,;,� pp TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant). The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish: to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. X X We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to . 3. Please refer to the enclosed letter. 40 NGMotia" /r/R.C Signed: £ Crytfrcli Agency: Pr.rrrn,... on w cr Date: /1--D V Y( J\ 3Ao A. Schuett 1 198Ei Current Planner Weld Co. Planning Commission l PPARTMENT OF PLANNING SER • ! ' PHONE(303)35&4000 E • 10th ��1111��ti GREELEY,COLOLORAL i r. s COLORADO e November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant). The (Ss} of r Section 31, R67W parcel 6th cel of land M is described as location E of the parcel of land for which , Weld County, part of the The is capproximately this application Colorado.u The 3 miles north of Firestone, tWld has been y submitted north of Weld County Road 26. east of Weld County Road 13 and Ibis application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received mailing from our office, it may within fourteen (14) days of r office. If you are unable to respond nwi within theerpreted fourteeno mean s (but wish to do so at a later date) by your please notify our office to that effect. i - Check the appropriate boxes below and Please reply by November 25 return to our address listed above.your recommendation. + 1986, so that we may give full consideration to this matter. Thank you very much for your help and cooperation in l• We have reviewed the interests. proposal and find no conflicts with our 2• A formal recommendation is under consideration and ` submitted prior to t 3, will be Please refer to the enclosed letter. Signed: Agency: Date:_ P.5.L0 . GAS : MO meitTIES IA) AREA• st ti-Jo-Q .7[ 0Keith A Schuett ��'�- .., 1 / r Current Planner E)RIGIF T'N E?: Vd 0 lA tM :"�E hl I-S• )fit II et. 1 1980 �_ Weld Co. Plannieg Cnmmiaioo r SAINT VRAIN Dr. F. Keith Blue VALLEY Superintendent of Schools PUBLIC SCHOOLS SCHOOL DISTRICT NO.RE-1J 395 S.PRATT PARKWAY LONGMONT,COLORADO 80501 November 24, 1986 Mr. Keith A. Schuett Weld County Department of Planning Services 915 10th Street Greeley, CO 80631 RE: Saint Vrain Sanitation District Dear Mr. Schuett: We have reviewed the proposed Saint Vrain Sanitation District (sewer treatment . plant) application and have determined the student impact upon the St. Vrain Valley Schools, based upon the development of 1115 additional dwelling units. Students living in this subdivision will be attending Mead Elementary School, Mead Junior High School, and Skyline High School. # STUDENTS STUDENT OVER CAPACITY ENROLLMENT + PROJECTED = IMPACT CAPACITY ELEMENTARY: Mead 384 426 + 462 = 846 Yes JUNIOR HIGH: Mead 218 198 + 214 432 Yes HIGH SCHOOL: Skyline 1119 975 + 175 = 1150 Yes These projections do not include the cumulative impact of other Weld County subdivisions in various planning stages, i.e., Bay Shores, Five Villages, and Colorado Jockey Club. Perhaps it is time that we jointly consult on the identification of secondary school site needs. Elementary school needs can usually be met within individual subdivision planning. If you need any further information regarding this planning referral please call me at 449-4978, extension 209. Sincerely, Dorothy Hor s, Director Planning, Evaluation and Communication muss ,:3 i 2. 1986 l� Weld Co. Planate¢ Cnmmissioa RECEIVED N0V 1 7 1986 DEPAR r'NT OF PLANNING SERVICES • s (%aixl PHONE(303)356-4000 EXT.4400 915 10th STREET GREELEY,COLORADO 80631 • COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant). The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. X We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to 3. Please refer to the enclosed letter. St. Vrain Valley Signed: /I Agency: School District Date: ll/21/86 (i'S h A. Schuett „ 2C 1986 Current Planner Weld Co. Pinning Comonssion iv t_(` DEPARTA^N ✓ ING �E}R� S S 1, Y PHONE(303)3564000 EXT.4400 'F 915 10th STREET ® *4517 IR GREELEY,COLORADO 80631 6 e COLORADO November 12, 1986 TO WHOM IT MAY CONCERN: Enclosed is a site plan application from Saint Vrain Sanitation District (sewer treatment plant) . The parcel of land is described as part of the NW} SE} of Section 31, T3N, R67W of the 6th P.M., Weld County, Colorado. The location of the parcel of land for which this application has been submitted is approximately 3 miles north of Firestone, east of Weld County Road 13 and north of Weld County Road 26. This application is submitted to your office for review and recommendations. Any comments or recommendations you consider relevant to this request would be appreciated. Your prompt reply will help to facilitate the processing of the proposal and will ensure prompt consideration of your recommendations. If a response from your office is not received within fourteen (14) days of mailing from our office, it may be interpreted to mean approval by your office. If you are unable to respond within the fourteen (14) days (but wish to do so at a later date) please notify our office to that effect. Check the appropriate boxes below and return to our address listed above. Please reply by November 25, 1986, so that we may give full consideration to your recommendation. Thank you very much for your help and cooperation in this matter. 1. X We have reviewed the proposal and find no conflicts with our interests. 2. A formal recommendation is under consideration and will be submitted prior to 3. Please refer to the unlined letter. � ll�ti Q�` Si�� t� + AgencY f te L�`l�[`� t 7/2. 2", ith A. Schuettg 2L 1986 Current Planner Weld Ca. Plann(ng Cnmrtass Hello