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I.t• 'VI T """ W.C.9gUires Consulting �fl�I I PLOT PLAN FOR USE BY SPECIAL REVUEIN now.•t•w•. 11 V— T... ..- 35'15 B.Norfolk Way A e CO BOO'13' yS�_� -.a„.• ______ ___i___... «'• Pfiont,l 3O3/693 9318 tN�.l+o 2!0 C.I.MYT 32 LOMOYONT,CO. 00501 - 1 tl. RESOLUTION RE: APPROVE USE BY SPECIAL REVIEW FOR A WASTEWATER TREATMENT FACILITY FOR B & B SMITH MOBILE HOME AND RECREATIONAL VEHICLE PARK - ORVILLE W. AND BILLIE JEAN SMITH 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 Board of County Commissioners held a public hearing on the 17th day of December, 1986, at the hour of 2 : 00 p.m. in the Chambers of the Board for the purpose of hearing the application of Orville W. and Billie Jean Smith, 29 Colorado Highway 52, Longmont, Colorado 80501 , for a Use by Special Review for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park on the following described real estate, to-wit: Part of the SW4, Section 31 , Township 2 North , Range 68 West of the 6th P.M. , Weld County, Colorado WHEREAS, said applicants were represented by William Squires, engineer, and WHEREAS, Section 24. 4. 2 of the Weld County Zoning Ordinance provides standards for review of said Use by Special Review, and WHEREAS, the Board of County Commissioners heard all of the testimony and statements of those present, has studied the request of the applicant and the recommendations of the Weld County Planning Commission and all of the exhibits and evidence presented in this matter and, having been fully informed, finds that this request shall be approved for the following reasons: 1. The submitted materials are in compliance with the application requirements of Section 24 . 7 of the Weld County Zoning Ordinance. 2. It is the opinion of the Board of County Commissioners that the applicant has shown compliance with Section 24 . 4. 2 of the Weld County Zoning Ordinance as follows: a. The proposal is consistent with the Weld County Comprehensive Plan in that it does not appear to have any adverse impacts on the agricultural interests of the County or the environment. 861206 Page 2 RE: USR - SMITH b. The proposal is consistent with the intent of the Agricultural Zone District in that the proposed use does not interfere with agricultural activities in the area or the County, and as a Use by Special Review the activity can take place in the district. c . The Town of Erie ' s Planning Commission has reviewed this request and has set forth no objections. d . Use by Special Review Development Standards will provide adequate protection of the health, safety and welfare of the neighborhood and County. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the application for a Use by Special Review for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park on the hereinabove described parcel of land be, and hereby is, granted subject to the following conditions: 1 . The attached Development Standards for the Use by Special Review permit be adopted and placed on the Use by Special Review plat prior to recording the plat. 2. The Use by Special Review activity shall not occur nor shall any building or electrical permits be issued on the property until the Use by Special Review plat has been delivered to the Department of Planning Services Office and the plat is ready to be recorded in the office of the Weld County Clerk and Recorder. 3. A Flood Hazard Development Permit shall be obtained for the Use by Special Review facility. 4. The following note shall be placed on the Use by Special Review plat prior to recording the plat: NOTE: The future RV site shown on this plat is subject to re-zoning. 861206 Page 3 RE: USR - SMITH The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 17th day of December, A.D. , 1986 . BOARD OF COUNTY COMMISSIONERS ATTEST: ! ?t, a',t' WELD COUNTY, COLORADO Weld County Clerk and Recorder and Clerk to the Board J son . cqu Z ine :�s � Chairman BY: G n cr:q."�. r— Deputy county erk / APPROVED AS TO FORM: ene ( R. Bran n-r L1C.W. Kirby County Attorney ,�f� Fra"nkk ama 615�G9`T"'D 861206 DEVELOPMENT STANDARDS Orville W. and Billie Jean Smith USR-760 :86: 41 1 . The Use by Special Review permit is for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park as submitted in the application materials on file in the Department of Planning Services and subject to the Development Standards stated herein . 2. All construction done on the property shall be in accordance with the requirements of the Weld County Building Code Ordinance. 3. The property owner or operator shall be responsible for complying with the Design Standards of Section 24 . 5 of the Weld County Zoning Ordinance. 4. The property owner or operator shall be responsible for complying with the Operation Standards of Section 24 . 6 of the Weld County Zoning Ordinance. 5. Personnel from the Weld County Health Department and Weld County Department of Planning Services shall be granted access onto the property at any reasonable time in order to insure the activities carried out on the property comply with the Development Standards stated herein and all applicable Weld County Regulations. 6 . The Use by Special Review area shall be limited to the plans shown herein and governed by the foregoing Standards and all applicable Weld County Regulations. Any material deviations from the plans or Standards as shown or stated shall require the approval of an amendment of the Permit by the Weld County Planning Commission and the Board of County Commissioners before such changes from the plans or Standards are permitted. Any other changes shall be filed in the office of the Department of Planning Services. 7. The property owner or operator shall be responsible for complying with all of the foregoing Standards. Noncompliance with any of the foregoing Standards may be reason for revocation of the Permit by the Board of County Commissioners. 861206 HEARING CERTIFICATION DOCKET NO. 86-74 RE: USE BY SPECIAL REVIEW FOR A WASTEWATER TREATMENT FACILITY FOR B & B SMITH MOBILE HOME AND RECREATIONAL VEHICLE PARK - ORVILLE W. AND BILLIE JEAN SMITH A public hearing was conducted on December 17, 1986, at 2:00 P.M. , with the following present: Commissioner Jacqueline Johnson, Chairman Commissioner Gordon E. Lacy, Pro-Tem Commissioner Gene Brantner Commissioner C.W. Kirby Commissioner Frank Yamaguchi Also present: Acting Clerk to the Board, Mary Reiff Assistant County Attorney, Lee D. Morrison Planning Department representative, Keith Schuett The following business was transacted: I hereby certify that pursuant to a notice dated November 19, 1986, and duly published December 4, 1986, in the Johnstown Breeze, a public hearing was conducted to consider the request of Orville W. and Billie Jean Smith for a Use by Special Review for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park. Lee Morrison, Assistant County Attorney, made this matter of record. Keith Schuett, Planning Department representative, read the favorable recommendation of the Planning Commission into the record, saying this recommendation is subject to three Conditions and seven Development Standards. Chairman Johnson questioned the number of parcels shown on the submitted plat, and the fact that an area currently zoned Agricultural is shown on the plat as being designated for future RV sites. Orville W. Smith, one of the applicants, and William Squires, engineer, came forward to answer questions of the Board. Mr. Squires explained that plans for future development were taken into consideration when the size of the proposed facility was determined. Following discussion, it was recommended that Condition #4 be added, stating that a Note be added to the plat prior to recording to indicate that the future RV site is subject to re-zoning. No public comment was received concerning this request. Commissioner Brantner moved to approve this Use by Special Review, subject to the Conditions and Development Standards recommended by the Planning Commission, with the addition of Condition #4 as discussed. Commissioner Kirby seconded the motion which carried unanimously. At this time, the Board considered the Site Application of Orville W. and Billie Jean Smith for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park. Mr. Schuett read the favorable recommendation of the Planning Commission concerning this matter into the record. Mr. Squires stated that the comments from the Use by Special Review hearing also apply to this matter. Commissioner Brantner moved to approve this Site Application. The motion was seconded by Commissioner Kirby and carried unanimously. O_c'. 9 Page 2 CERTIFICATION - SMITH USR This Certification was approved on the 22nd day of December, 1986. APPROVED: BOARD OF COUNTY COMMISSIONERS ATTEST: r e . •.�.�,'; '>^.- WELD COUNTY, COLORADO Weld County Clerk and Recorder ' and Clerk to the Boa qu J n, Chairman /�2 J'cqu ��, ne Jo.'1 on, Chairman y ` I� !/�� By� �� / Deputy Aunty Cl — '•' ac ' ' , ' p em Gene R. Bran er C.W. K y Fr nk Yamaguc TAPE #86-81 DOCKET #86-74 PL0094 861202 ATTENDANCE RECORD TODAY ' S HEARINGS ARE AS FOLLOWS : DECEMBER 17, 1986 DOCKET # 86-69 USR-NATURAL GAS LIQUID EXTRACTION FACILITY, DIVERSIFIED OPERATING CORP. DOCKET # 86-74 USg-WASTEWATER TREATMENT FACILITY, ORVILLE W. & BILLIE JEAN SMITH DOCKET # 86-76 USR-TWELVE DOG KENNEL, SUSAN M. RIEGEL PLEASE write or print legibly your • same , address and the DOC # (as LLslisted above) or the applicants name of the hearing you are attending . NAME ADDRESS HEARING ATTENDING -(� �,�T�.IDING ,,S+eVe, I-1-/- I - /386 �c�gan SJ - Denver 3'6- 667 1 )1i/,+c r QQu m��t, gy c,C LP,/ Z win Lt fib- 70,1 Ai/1 �-� G U-c ..5N) ITN z l-/ �9 y ti z 1-nve- 6" -7S� G°t' Ltica,h (14po,tas /35/5 S /Voetattc-USFy ez- z.4 hd db.)/3 - .Ye 7y ')CCo-4,U /*7, IC,Ef FL J S B C:,i 6 /d=L'y Ca.) iteie g - `Ilo l �L ti a1 v , h I LL E/` 3'7e$ K&&ro#v 7, �a f;[E4.�v -69 P � FL) fa -Li �L P,'6,—'L(2 '� '^,.1�; Lkkk 14 I (a w.Yti C . 2 � 'l �� e c e� �(-Lc .4- -14 NOT I C E Pursuant to the zoning laws of the State of Colorado and the Weld County Zoning Ordinance, a public hearing will be held in the Chambers of the Board of County Commissioners of Weld County, Colorado, Weld County Centennial Center, 915 10th Street, First Floor, Greeley, Colorado, at the time specified. All persons in any manner interested in the Use by Special Review are requested to attend and may be heard. Should the applicant or any interested party desire the presence of a court reporter to make a record of the proceedings, in addition to the taped record which will be kept during the hearing, the Clerk to the Board's Office can be contacted for a list of court reporters in the area. If a court reporter is obtained, the Clerk to the Board's Office shall be advised in writing of such action at least five days prior to the hearing. The cost of engaging a court reporter shall be borne by the requesting party. BE IT ALSO KNOWN that the text and maps so certified by the Weld County Planning Commission may be examined in the office of the Clerk to the Board of County Commissioners, located in the Weld County Centennial Center, 915 10th Street, Third Floor, Greeley, Colorado. APPLICANT DOCKET NO. 86-74 Orville W. and Billie Jean Smith 29 Colorado Highway 52 Longmont, Colorado 80501 DATE: December 17, 1986 TIME: 2:00 P.M. REQUEST: Use by Special Review - Wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park LEGAL DESCRIPTION: Part of the SW} of Section 31, Township 2 North, Range 68 West of the 6th P.M. , Weld County, Colorado BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO BY: MARY ANN FEUERSTEIN COUNTY CLERK AND RECORDER AND CLERK TO THE BOARD BY: Mary Reiff, Deputy DATED: November 19, 1986 PUBLISHED: December 4, 1986, in the Johnstown Breeze A x91e. C • BOARD OF COUNTY COMMISSIONERS SIGN POSTING CERTIFICATE I HEREBY CERTIFY UNDER THE PENALTIES OF PERJURY THAT THE SIGN PROVIDED BY THE DEPARTMENT OF PLANNING SERVICES WAS POSTED ON THE PROPERTY AT LEAST TEN (10) DAYS PRECEDING THE BOARD OF COUNTY COMMISSIONER'S HEARING FOR CASE # 136R -160 . THE SIGN WAS POSTED BY: NAME OF PERSON POSTING SIGN SIGNATURE OF APPLICANT STATE OF COLORADO ) COUNTY OFiddef' j SUBSCRIBED AND SWORN TO BEFORE ME THIS DAY OF 190 . _ SEAL /NOTARY PUBLIC T ,y,Yet / i7 1.�ru ' Qf OY i%�2r� &erld1Se/ MY COMMISSION EXPIRES ,9 t r/-1 3 /9f7o LAST DAY TO POST SIGN IS: :Xec,, Co 19 V( • DEC 8 1986 Weld Co. Planning Commission AFFIDAVITOF PUBLICATION THE JOHNSTOWN BREEZE Money STATE OF COLORADO 1 Pursuant to tM :some of 1 SS the sots of colored° eat! the COUNTY OF WELD ) Welt beefing County Ordiinance, elt b efi aw DE him In I, Clyde Briggs, do solemnly swear that I Coub e the ta rWd of elld am publisher of The Johnstown Breeze; Weld County .. that • Counthe same is a weekly newspaper cemennel Cent,,, g1s printed, in whole or in part, and published interStreet, First Flop, 6reeleyl z in the County of Weld, State of Colorado, este at the time spegnad, and has a general circulation therein; that interested In the the manner. Review are requested toengine said newspaper has been published and may be heard continuously and uninterruptedly in said County of Weld for a period of more than shoed the applicant or any interested party desire the fifty-two consecutive weeks prior to the Presence of a court reporter to first publication of the annexed legal notice make a record of the pro- record make gsa,,In addition to the taped or advertisement; that said newspaper has the heae which th ill bClerk to kept d the been admitted to the United States mails as for a st of coeucan portcontacted second-class matter under the provisions of area. If a court reporter is the Act of March 3, 1879, or any Officeettheerk inewrird's amendments thereof, and that said of such shall ttion advised ast frva days prior to the hearing The cost of newspaper is a weekly newspaper duly engaging bathereqrt uesting shall qualified for publishing legal notices and party' advertisements within the meaning of the- BEIT ALSO KNOWN that the laws of the State of Colorado. text and maps so certified by the Weld County Planning Commis- That the annexed legal notice or advertise- sion may be examined in the ment was published in the regular and office of-the Clerk to the Board of in Co the th weld Countne Centennal entire issue of every number of said weekly Center. 915 10th Street, Third newspaper for the period of '.1... consecu- Floor. Greeley Colorado. tive insertions; and that the first DOCKET NO. 86-74 publication of said notice was in the issue of APPLICANT said newspaper dated ./.?-.Y., A.D. i9,4; OBillie Jean le Seymn and that the last publication of said notice Longmont Colorado ooaadow80 51 was in the issue of said newspaper dated , A.D. 19 DATE: December 17, 1986 In witness whereof I have hereunto set TIME: 2:00 P.M. my hand this ....t.A day of .Pec. REQUEST: Use H A.D. 19. Review WastewatertreatmentSmith ie • /�facility for B g B Smith Mobile ,,✓i Home and Recreational Vehicle /�/{/v/_I Park f fheLEOSLWy,D DESCRIPTION:Sept on 31, Town- Publisher Town- ship 2 North, Range 68 West of the eth P.M, Weld County, Colorado Subscribed and sworn to before me, a BOARD OF COUNTY Notary Public in and for the C unty of COMMISSIONERS WELD COUNTY, Weld, State of Colorado, this ..1&. day of COLORADO a.t4(,,,:g, A.D. 19J1r BY: MARY ANN FEUERSTEIN COUNTY ANDCLERKCLERK RECORDER AND CLERK t! —�-- TO THE BOARD «�G--•-Gr•�•��t�,� ��'�"ms `s-• BY: Mary Reiff, Deputy ,n i A es June 14 tlirhy Public. DATED: November 19, 1986 ,;f Pe.ash Avenue PUBLISHED: December 4, 1986, My`CDIITIT Il§SSb1Y Ji S in the Johnstown Breeze nT`,,; . .r.; DATE: November 19 , 1986 TO: The Board of County Commissioners Weld County, Colorado FROM: Clerk to the Board Office Commissioners: If you have no objections, we have tentatively set the following hearing for the 17th day of December, 1986 , at 2: 00 P.M. Docket No. 86-74 -USR, Wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park - Orville W. and Billie Jean Smith OFFICE OF THE CL t TO THE BOARD BY: 7-8.2 Deputy The above mentioned hearing date and hearing time may be scheduled on the agenda as stated above. BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO i (. Ask. doo0.o\ SUMMARY OF THE WELD COUNTY PLANNING COMMISSION MEETING November 4, 1986 A regular meeting of the Weld County Planning Commission was held on November 4, 1986, in the County Commissioner's Hearing Room, Weld County Centennial Building, 915 Tenth Street, Greeley, Colorado. The meeting was called to order by the Chairman, Jack Holman, at 1 :35 p.m. Tape 253 - Side 2 ROLL CALL Lydia Dunbar Present Doug Graff Absent Ivan Gosnell Present LeAnn Reid Present Louis Rademacher Present Lynn Brown Present Ann Garrison Present Paulette Weaver Present Ann Garrison Present Jack Holman Present Also present: Debbie debesche, Current Planner, Lee Morrison, Assistant County Attorney, and Bobbie Good, Secretary. A quorum was present. The summary of the last regular meeting of the Weld County Planning Commission held on October 21, 1986, was approved as distributed. CASE NUMBER: USR-760:86:41 APPLICANT: Orville W. and Billie Jean Smith REQUEST: Use by Special Review permit for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado LOCATION: Approximately 2 miles north of Erie City Limits; north of Highway 52 and east of Weld County Road One APPEARANCE: Bill Scuires, P.E. , Squires Engineering, stated there are currently spaces for nineteen recreational vehicles and twenty-two mobile homes on this property. The wastewater treatment facility is designed to take care of the additional recreational vehicles which will bring the total up to seventy-four. If this request is approved they would like to install spaces for more recreational vehicles. This is a twenty—five acre site. The property is in the flood plain, but the mobile home and recreational vehicle spaces are built up eighteen inches above the one hundred year flood level. The park is currently using individual septic systems. The owners would like to install a wastewater treatment facility. The Weld County Health Department has approved the application en September 30, 1986. The cost �7 d evcr 11-11" 6 Summary of the Weld County Planning Commission November A, 1986 Page 2 will be approximately thirty thousand dollars. There have been no tests done on the groundwater at this time; however this will be done, but first they wanted to get all necessary permits. The waste water will go from the treatment plant into the lake. There will be no run-off into Boulder Creek. Tape 254 - Side 1 Wes Potter, Weld County Health Department, explained that this plan is really over designed, but it is a good system. Some of the smaller wastewater treatment plants are very good. The Chairman asked the applicant if they had reviewed the comments, conditions, and development standards as outlined by the Department of Planning Services staff. He stated they had and have no objections to them. He asked if he should submit the plat for recording prior to the application being completed by the State. Lee Morrison explained it would be to his benefit to file the Use by Special Review Plat because this is a request for a Use by Special Review permit and not a site plan application. He explained that the site plan application is part of the the -State's citiugs, and a recommendation is made to the state and not the Board of County Commissioners. He also asked the Planning Commission to remember the zoning is already in place on this property and they can do nothing to prevent what is already there. The Chairman called for discussion from the members of the audience. There was none. The Chairman asked that reading of the comments, conditions, and development standards as outlined by the Department of Planning Services staff be dispensed with and that they be filed with the summary as a permanent record of these proceedings. MOTION: Louis Rademacher moved Case Number USR-760:86:41 for Orville W. and Billie Jean Smith for a Use by Special Review permit for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park be forwarded to the Board of County Commissioners with the Planning Commission's recommendation for approval based upon the recommendations, conditions, and development standards as outlined by the Department of Planning Services staff and the testimony heard by the members of the Planning Commission. Motion seconded by Lydia Dunbar. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. Summary of the Weld County Planning Commission November 4, 1986 Page 3 The Chairman asked the secretary to poll the members of the Planning commission for their decision. Lydia Dunbar - Yes; Lynn Brown - Yes; LeAnn Reid - Yes; Ivan Gosnell - Yes; Louis Rademacher - Yes; Paulette Weaver - No, she believes this application does not meet the requirements of the Comprehensive Plan in that it is encouraging residential use not contigious to an existing municipality which we try to discourage. She also believes this would encourage resiaential use in a flood plain which we should discourage. Ann Garrison - No, for the same reasons cited by Paulette Weaver. Jack Holman - Yes, because an existing park is already there. Ee feels they should do something besides use septic systems to handle their wastes even though they are going to have a small expansion. If the expansion were larger than the one proposed, he would vote against this, but his reason for voting yes is to allow them to get away from the septic tanks. Motion carried with six voting for the moticn and two voting against the motion. APPLICANT: Orville W. and Billie Jean Smith REQUEST: Site application for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park LEGAL DESCRIPTION: Part of the SW} of Section 31 , T2N, R68W of the 6th P.M. , Weld County, Colorado LOCATION: Approximately 2 miles north of Erie City Limits; north of Highway 52 and east of Weld County Road One. APPEARANCE: Bill Squires, Squires Engineering, reported this is an application for a site application for a wastewater treatment facility, and he asked that comments from the previous request be applied to this request. The Chairman called for discussion from the members of the audience. There was none. MOTION: Lydia Dunbar moved the site application for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park be forwarded to the State of Colorado, Department of Health, Water Quality Control Division, the Planning Commission's recommendation for approval and that the Chairman be instructed to sign the application indicating the Planning Commissions decision. Motion seconded by LeAnn Reid. The Chairman called for discussion from the members of the Planning Commission. There was no further discussion. BEFORE THE WELD COUNTY, COLORADO PLANNING COMMISSION RESOLUTION OF RECOMMENDATION TO THE BOARD OF COUNTY COMMISSIONERS Moved by Louis Rademacher that the following resolution be introduced for passage by the Weld County Planning Commission. Be it Resolved by the Weld County Planning Commission that the application for: WE1.2 CnmITY CASE NUMBER: USR-760:86:41 O '''7` 71 l NAME: Orville W. and Billie Jean Smith N0V 1 4 1986 ADDRESS: 29 Colorado Highway 52, Longmont, CO 80501 J p1'2i GREELEY. COLD. REQUEST: Use by Special Review permit for a wastewater treatment facility for B & B Smith Mobile Home and Recreational Vehicle Park. LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado LOCATION: Approximately 2 miles north of the Erie city limits, north of Highway 52, and east of Weld County Road 1. be recommended favorably to the Board of County Commissioners for the following reasons: 1. The submitted materials are in compliance with application requirements of Section 24.7 of the Weld County Zoning Ordinance. 2. It is the opinion of the Weld County Planning Commission that the applicant has shown compliance with Section 24.3 of the Weld County Zoning Ordinance as follows: - The proposal is consistent with the Weld County Comprehensive Plan in that it does not appear to have any adverse impacts on the agricultural interests of the County or the environment. - The proposal is consistent with the intent of the Agricultural Zone district in that the proposed use does not interfere with agricultural activities in the area or the County and as a Use by Special review the activity can take place in the district. - The Town of Erie's Planning Commission has reviewed this request and has set forth no objections. - Use by Special Review Development Standards will provide adequate protection of the health, safety and welfare of the neighborhood and County. This recommendation is based, in part, upon a review of the application submitted by the applicant, other relevant information regarding the request and the responses of the referral entities which have reviewed this request. f-ifei Orville W. and Billie Jean Smith USA-760:86:41 rage The Planning Commission's recommendation for approval is conditional upon the following: 1. The attached Development Standards for the Use by Special Review permit be adopted and placed on the Use by Special Review plat prior to recording the plat. 2. The Use by Special Review activity shall not occur nor shall any building or electrical permits be issued on the property until the Use by Special Review plat has been delivered to the Department of Planning Services' office and the plat is ready to be recorded in the office of the Weld County Clerk and Recorder. 3. A Flood Hazard Development Permit shall be obtained for the Use by Special Review facility. Motion seconded by Lydia Dunbar. VOTE: For Passage Against Passage Lydia Dunbar Paulette Weaver Lynn Brown Ann Garrison LeAnn Reid Ivan Gosnell Louis Rademacher Jack Holman The Chairman declared the resolution passed and ordered that a certified copy be forwarded with the file of this case to the Board of County Commissioners for further proceedings. CERTIFICATION OF COPY I, Bobbie Good, Recording Secretary of the Weld County Planning Commission, do hereby certify that the above and foregoing Resolution is a true copy of the Resolution of the Planning Commission of Weld County, Colorado, adopted on November 4, 1986, and recorded in Book No. X of the proceedings of the said Planning Commission. Dated the 5th of November, 1986. Bobbie Good Secretary DEVELOPMENT STANDARDS Orville W. and Billie Jean Smith USR-760:86:41 1. The Use by Special Review permit is for a waste water treatment facility for B & B Smith Mobile Home and Recreation Vehicle Park as submitted in the application materials on file in the Department of Planning Services and subject to the Development Standards stated hereon. 2. All Construction done on the property shall be in accordance with the requirements of the Weld County Building Code Ordinance. 3. The property owner or operator shall be responsible for complying with the Design Standards of Section 24.5 of the Weld County Zoning Ordinance. 4. The property owner or operator shall be responsible for complying with the Operation Standards of Section 24.6 of the Weld County Zoning Ordinance. 5. Personnel from the Weld County Health Department and Weld County Department of Planning Services shall be granted access onto the property at any reasonable time in order to insure the activities carried out on the property comply with the Development Standards stated hereon and all applicable Weld County Regulations. 6. The Use by Special Review area shall be limited to the plans shown hereon and governed by the foregoing Standards and all applicable Weld County Regulations. Any material deviations from the plans or Standards as shown or stated shall require the approval of an amendment of the Permit by the Weld County Planning Commission and the Board of County Commissioners before such changes from the plans or Standards are permitted. Any other changes shall be filed in the office of the Department of Planning Services. 7. The property owner or operator shall be responsible for complying with all of the foregoing Standards. Noncompliance with any of the foregoing Standards may be reason for revocation of the Permit by the Board of County Commissioners. Additional Comments Orville W. and Billie Jean Smith USR-760:86:41 The Use by Special Review site is located in a Geological Hazard Area, but is not effected by subsidence. According to the National Flood Insurance Rate Map, the site is located in Zone A which is a 100 year flood area. The Weld County Board of Health approved this request at its meeting on September 30, 1986 INVENTORY OF ITEMS SUBMITTED FOR CONSIDERATION Case Number q5/e, 7(pO: 1 :Li/ Submitted or Prepared Prior to Hearing At Hearing 1. Application 3 C Pages 2. 5 Application plat(s) / page(s) 3. DPS Referral Summary Sheet t''e' 2 4. PPS Recommendation 5. DPS Surrounding Propery Owner Mailing List 6. DPS Mineral Owners Mailing List 7. 3 DPS Maps Prepared by Planning Technician ✓ 8.2_DPS Notice of Hearing 93 DPS Case Summary Sheet Vv 10. DPS Field Check 11. VVV 12. 13. 14. 15. 16. 17. 18. 19. 20. I hereby certify that the i/O items identified herein were submitted to the -Department of Planning Services at or prier to the scheduled Planning Commission hearing. I further certify that these items wen forwarded to the Clerk to the Board's office on /011 19S(.(0. Current -Planner STATE OF COLORADO ) COUNTY OF WELD ) SUBSCRIBED AND SWORN TO BEFORE ME THIS 13 DAY OF VvoJ.o_sn,.AistN 19 $(.: SSAL NO ARY PUBLIC Exa/B/i 4 -.. ?W COMMISSION EXPIRES_ // EXHIBIT INVENTORY CONTROL SHEET Case L/J 'et, - Exhibit Submitted By Exhibit Description ./Y/ A. 77✓_1G "Cy J/I?",e4Y'--cy �° .Z4-rr. 1 a 91 B. / ,?.'ixe•ria C.7>j7'.�.„ii'7(.- . .Q..°.,s-LctZzro zrt9C'.Lr,N21nL✓ti..2-CC�CO>K- ✓ 7 /e' D. �Cc %I /c '0z/v, 4P_ Gc CLOD/c zz E. (S2,1ial / /KCCt%GD//F F. G. H. I. J. K. L. M. N. 0. Date: November 4, 1986 CASE NUMBER: USR-760:86:41 NAME: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Longmont, CO 80501 REQUEST: Use by Special Review permit for a wastewater treatment facility for B b B Smith Mobile Home and Recreational Vehicle Park. LEGAL DESCRIPTION: Part of the SWI of Section 31, T2N, R68W of the 6th P.M., Weld County, Colorado LOCATION: Approximately 2 miles north of the Erie city limits, north of Highway 52, and east of Weld County Road 1. THE DEPARTMENT OF PLANNING SERVICES STAFF RECOMMENDS THAT THIS REQUEST BE APPROVED FOR THE FOLLOWING REASONS: 1. The submitted materials are in compliance with application requirements of Section 24.7 of the Weld County Zoning Ordinance. 2. It is the opinion of the Department of Planning Services staff that the applicant has shown compliance with Section 24.3 of the Weld County Zoning Ordinance as follows: - The proposal is consistent with the Weld County Comprehensive Plan in that it does not appear to have any adverse impacts on the agricultural interests of the County or the environment. - The proposal is consistent with the intent of the Agricultural Zone district in that the proposed use does not interfere with agricultural activities in the area or the County and as a Use by Special review the activity can take place in the district. - The Town of Erie's Planning Commission has reviewed this request and has set forth no objections. - Use by Special Review Development Standards will provide adequate protection of the health, safety and welfare of the neighborhood and County. This recommendation is based, in part, upon a review of the application submitted by the applicant, other relevant information regarding the request and the responses of the referral entities which have reviewed this request. The Department of Planning Services staff recommendation for approval is conditional upon the following: 1 Orville W. and Billie Jean Smith USR-760:86:41 Page 2 1. The attached Development Standards for the Use by Special Review permit be adopted and placed on the Use by Special Review plat prior to recording the plat. 2. The Use by Special Review activity shall not occur nor shall any building or electrical permits be issued on the property until the Use by Special Review plat has been delivered to the Department of Planning Services' office and the plat is ready to be recorded in the office of the Weld County Clerk and Recorder. 3. A Flood Hazard Development Permit shall be obtained for the Use by Special Review facility. r DEVELOPMENT STANDARDS Orville W. and Billie Jean Smith USR-760:86:41 1. The Use by Special Review permit is for a waste water treatment facility for B & B Smith Mobile Home and Recreation Vehicle Park as submitted in the application materials on file in the Department of Planning Services and subject to the Development Standards stated hereon. 2. All Construction done on the property shall be in accordance with the requirements of the Weld County Building Code Ordinance. 3. The property owner or operator shall be responsible for complying with the Design Standards of Section 24.5 of the Weld County Zoning Ordinance. 4. The property owner or operator shall be responsible for complying with the Operation Standards of Section 24.6 of the Weld County Zoning Ordinance. 5. Personnel from the Weld County Health Department and Weld County Department of Planning Services shall be granted access onto the property at any reasonable time in order to insure the activities carried out on the property comply with the Development Standards stated hereon and all applicable Weld County Regulations. 6. The Use by Special Review area shall be limited to the plans shown hereon and governed by the foregoing Standards and all applicable Weld County Regulations. Any material deviations from the plans or Standards as shown or stated shall require the approval of an amendment of the Permit by the Weld County Planning Commission and the Board of County Commissioners before such changes from the plans or Standards are permitted. Any other changes shall be filed in the office of the Department of Planning Services. 7. The property owner or operator shall be responsible for complying with all of the foregoing Standards. Noncompliance with any of the foregoing Standards may be reason for revocation of the Permit by the Board of County Commissioners. r Additional Comments Orville W. and Billie Jean Smith USR-760:86:41 The Use by Special Review site is located in a Geological Hazard Area, but is not effected by subsidence. According to the National Flood Insurance Rate Map, the site is located in Zone A which is a 100 year flood area. The Weld County Board of Health approved this request at its meeting on September 30, 1986 LAND-USE APPLICATION SUMMARY SHEET Date: October 29, 1986 CASE NUMBER: USR-760:86:41 NAME: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Erie, CO 80561 REQUEST: Use by Special Review permit for a wastewater treatment facility for B 6 B Mobile Home and RV Park. LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado. LOCATION: Approximately 2 miles north of the City Limits of Erie; north of Highway 52 andeast of Weld County Road One. SIZE OF PARCEL: 25 acres POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The criteria for review of this proposal is listed in Section 24.3 of the Weld County Zoning Ordinance. This request was continued from October 21, 1986. The Department of Planning Services has not received any objections to this proposal. The staff has not received referral responses from the following agencies: - Weld County Health Department - State Engineer, Division of Water Resources - Colorado Department of Health "r 's� LAND-USE APPLICATION SUMMARY SHEET Date: October 14, 1986 CASE NUMBER: USR-760:86:41 NAME: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Erie, CO 80561 REQUEST: Use by Special Review permit for a wastewater treatment facility for B & B Mobile Home and RV Park. LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado. LOCATION: Approximately 2 miles north of the City Limits of Erie; north of Highway 52 and east of Weld County Road One. SIZE OF PARCEL: 25 acres POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The criteria for review of this proposal is listed in Section 24.3 of the Weld County Zoning Ordinance. This request was continued from October 7, 1986. The Department of Planning Services has not received any objections to this proposal. The staff has not received referral responses from the following agencies: - Weld County Health Department - State Engineer, Division of Water Resources - Colorado Department of Health • F DEPAR., ENT OF PLANNING SERVICES s` iw" PHONE(303)356.4000 EXT. 4400 915 10th STREET GREELEY, COLORADO 80631 COLORADO NOTICE OF PUBLIC HEARING • The Weld County Planning Commission will conduct a public hearing on Tuesday, November 4, 1986 at 1:30 p.m. to review a request for approval of a Use by Special Review permit for a wastewater treatment facility on B & B Smith Mobile Home and RV Park from Orville W. and Billie Jean Smith. The parcel of land is described as part of the SW} of Section 31, T2N, R68W of the 6th P.M., Weld County, Colorado, containing 25 acres, more or less. The property is located approximately 2 miles north of Erie's City Limits; north of Highway 52 and east of Weld County Road 1. The public hearing to be held by the Weld County Planning Commission for the consideration of the above referenced request will be conducted in the Weld County Commissioners' Hearing Room, First Floor, Weld County Centennial Center, 915 Tenth Street, Greeley, Colorado. Comments or objections related to the above request should be submitted in writing to the Weld County Department of Planning Services, 915 Tenth Street, Room 342, Greeley, • Colorado 80631, before the above date or presented at the public hearing on Tuesday, November 4, 1986. Copies of the application are available for public inspection in the Department of Planning Services, Room 342, Weld County Centennial Center, 915 Tenth Street, Greeley, Colorado, - Phone - 356-4000, Extension 4400. Jack Holman, Chairman Weld County Planning Commission To be published in the Johnstown Breeze To be published one (1) time by October 23, 1986 Received by: \ 4 o> Date: toh_o ;'14 .7.: rte. s rli � ii98n Weld Co. Planning Cummissiuu LAND-USE APPLICATION SUMMARY SHEET Date: September 30, 1986 CASE NUMBER: USR-760:86:41 NAME: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Erie, CO 80561 REQUEST: Use by Special Review permit for a wastewater treatment facility for B & B Mobile Home and RV Park LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado LOCATION: Approximately 2 miles north of the City Limits of Erie; north of Highway 52 and east of Weld County Road One. SIZE OF PARCEL: 25 acres POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The criteria for review of this proposal is listed in Section 24.3 of the Weld County Zoning Ordinance. The Department of Planning Services has not received any objections to this proposal. The staff has not received referral responses from the following agencies: - Weld County Health Department - State Engineer, Division of Water Resources - State Highway Department - Colorado Department of Health FIELD CHECK FILING NUMBER: USR-760:86:42 DATE OF INSPECTION: October 17, 1986 NAME: Orville W. and Billie Jean Smith REQUEST: Use by Special Review permit for a Wastewater Treatment Facility LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado. LOCATION: At the junction of Weld County Road One and State Highway 52; north of State Highway 52 and east of Weld County Road One. LAND USE: N Dry gravel pit, Boulder Creek, active gravel operation. E Pasture, oil well, active gravel operation, farmstead with assorted buildings. S Pasture, mobile home W Weld County Road One, Pasture, Boulder County ZONING: N Agricultural E Agricultural S Agricultural W Boulder County COMMENTS: The gravel pit to the north of this location is dry at this time. It appears that the active gravel operation has lowered the ground water by pumping the pits they are presently working in. By: %4 l,f y ? c/777/ /777/ K ith A. Schuett Current Planner •38 • -- _ 5 qi @ g' p» \ ,7—g—�'�• o- —t E..; p: • ATE.: . .I - NLylvl �• or .r 34 -5/ .�" � _ I T ' : . _ C:11 • ▪ :I f •" << 22:R.•t ' • • a ��r " ' r F• G '. 'gay,, j r� �S 32 T3N _ -~ •• t7r .G. I - � l /. \' • , g�, • k 4 Lnrr[vi,vE 30 �a+ar.rn• i-�. @ .2s . :G:- �. ' ti c„. ..1,.. �..:. ��_� � d • �y \iso .p 1 � CL�rncter � zs 1•11/ . , l�i �1/ . . ....'F . . i 4: sdn nn n: I n » / 7 277---.431: • as4. » `v FeadauR •oNOSJ S • yrc.' 'p .� 34 \ •\ ' ▪ It s >• 26 , `�� r G ST<TE REC,� i'14- • ti \ 1, '. . . • • • I • E 24 o.o+c.a I•i .. : .. 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' r {' "4 .. t�yy.N. v '7- .. .. ,Z N1' ~ f � Y ! 3/ .. � . . . • . 1 • , ce a,... „ 4' ,ca .", . 4\ 4 . '4 -, - ". :111));:#;'43'. :- 1 ; r t :1,-........,..- � t � s x T � � _ ^\\ tot.--..wwR�•,r0^.r 1 W •'..-^145' a{ - � . 9 I b 4/ '' .L.Aitey4 V� s P b_'C.L0, . -e. • S I 4 3_ , ; iit ��• :! ' ;lam pro,},.(if+' ''t YrF't`. .7 th •..O., i' ..i t 6729 e7 , 1r 6ti vy.at(1 hls ,v.. ui — ,47.j. [cam ''NSA, ( t REFERRAL LIST APPLICANT: Orville W. and Billie Jean Smith CASE NUMBER: USR-760:86:41 SENT REFERRALS OUT: REFERRALS TO BE RECEIVED BY: September 26, 1986 NO SR NR NO SR NR X Weld County Health Department X Engineering Department X State Engineer Division of Water Resources 1313 Sherman St. , Room 818 Denver, CO 80203 X State Highway Department 1420 2nd Street Greeley, CO 80631 X Colorado Department of Health Water Quality Control Division 4210 East 11th Avenue Denver, CO 80220 X Town of Erie �/ Henry M. Epstein P.O. Box 100 Erie, CO 80516 X Louis Rademacher 13184 Weld County Road 13 Longmont, CO 80501 X Boulder County Planning Department P.O. Box 471 / Boulder, CO 80306 / X Longmont Soil Conservation Service 1/7.- /// 9595 Nelson Road Box D Longmont, CO 80501 X Longmont Fire District ✓ William R. Emerson 9119 County Line Road Longmont, CO 80501 NO=No Objection SR=Specific Recommendations NR=No Response MAILING LIST Orville W. and Billie J. Smith USR-760:86:41 John F. Timm Heirs of W. K. Calvert 1308 South Pratt Parkway Longmont, CO 80501 Cinque Land Company Fred Spallone, Incorporated Highway 287 Midway Boulevard Broomfield, CO 80020 Richard L. Armstead 219 Highway 52 Erie, CO 80516 Joseph R. Becky 5445 East 33rd Avenue Denver, CO 80207 October 21, 1986 CASE NUMBER: USR-760:86:41 APPLICANT: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Erie, CO 80561 REQUEST: Use by Special Review permit for a wastewater treatment facility for B 6 B Smith Mobile Home and Recreational Vehicle Park LEGAL DESCRIPTION: Part of the SW of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado LOCATION: Approximately 2 miles north of Erie City Limits; north of Highway 52 and east of Weld County Road One The Department of Planning Services staff recommends that this request be continued to the November 4, 1986, meeting to allow for the proper ten day notice of a public hearing to be published in the official county newspaper. The staff failed to publish the Notice of Public Hearing ten days prior to the scheduled Planning Commission Hearing. E LAND-USE APPLICATION SUMMARY SHEET Date: October 14, 1986 CASE NUMBER: USR-760:86:41 NAME: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Erie, CO 80561 REQUEST: Use by Special Review permit for a wastewater treatment facility for B & B Mobile Home and RV Park. LEGAL DESCRIPTION: Part of the SWI of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado. LOCATION: Approximately 2 miles north of the City Limits of Erie; north of Highway 52 and east of Weld County Road One. SIZE OF PARCEL: 25 acres POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The criteria for review of this proposal is listed in Section 24.3 of the Weld County Zoning Ordinance. This request was continued from October 7, 1986. The Department of Planning Services has not received any objections to this proposal. The staff has not received referral responses from the following agencies: - Weld County Health Department - State Engineer, Division of Water Resources - Colorado Department of Health • LAND-USE APPLICATION SUMMARY SHEET Date: September 30, 1986 CASE NUMBER: USR-760:86:41 NAME: Orville W. and Billie Jean Smith ADDRESS: 29 Colorado Highway 52, Erie, CO 80561 REQUEST: Use by Special Review permit for a wastewater treatment facility for B & B Mobile Home and RV Park LEGAL DESCRIPTION: Part of the SW} of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado LOCATION: Approximately 2 miles north of the City Limits of Erie; north of Highway 52 and east of Weld County Road One. SIZE OF PARCEL: 25 acres POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The criteria for review of this proposal is listed in Section 24.3 of the Weld County Zoning Ordinance. The Department of Planning Services has not received any objections to this proposal. The staff has not received referral responses from the following agencies: - Weld County Health Department - State Engineer, Division of Water Resources - State Highway Department - Colorado Department of Health x j p` ;II >a u. � < — I ' . �: • IIII 0 .--II .• ..‘. . ell: = ati . ---C) •IN •,\4 1).4.:(4: - .__; ' ! parr •34 '• -tom- • II . �/ E4D I�'-1r'- - t- - e -' i.c. • •. _ _ mi..... .T ., ,. ,) II» • �20' �•i •� ;.p I it il� �► • .. M1I. • 30 . xomxa>m E. 1. .s . •C' •d I I 1 I • i— ti . zx 4;'''" ' h x> x I . \ •o ' . -- + p... - .4z ,1 117 �• Iw •n �� Ih.? 4rrcvl�tE �� Y3 .. . p EFL, 1'• '% • *c. • I �•. '.• ;2 . .tire:it PA •, art parr, eso x{ I / as . : : 1/ ,.•....,:... �[f ' i z 28 R„� Yr lc?" �� 26 A Cal Tf ° BAR90UR ' ' ' ��.I ) r G. STATE AECS�j 5• r•V e r• x » ' Z d -- _ f�. . I� C ; 24 o.oxc.o.. •� gr.!.• .� sY� I. G1 p f 1 i f! r [MCN�pT[z -4- . 22 O I Y �• • 5. 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S 17 17 ^1 ///11 aic /s <90o Idaho��eek/: )9.71 od • • ��Plea.�ant View Ridge to 10 r 11Y I,et Ct /. �5 N , • 50/3 'p9d] r 4915 29 • i +-; V 6l Co/ 2P oe 11 z • J , (c9HR 0 .I \\ ! s� dnl1,,,1 werS 1 It s 21/ / ( \/ � � \ l� o n � f,• ' 36 m 01. 31 '32 y o � V m 1 �� F1'.44 / U,1 (/ OO1/4• 11 gal' ��Y �— t'..^ / _� % \_ �' iii - 1�.1 �� `.,�. �� ___ 7 _ V/ __ Plumb f,,,,_ it / /' / i� M--LN-(/li/ 1 I ' N 1 �� 6 5 ? r 5O47 I /et-I,---.- , • / ' / �iHi '; _ � I — of I-0o� De re, �/ 3 i� s — _ IT s9tl6I '5O86 0 x,111111111 v , , _ / 8 12 I �/ � - � � -).- _ RMY_ Pn...�. Ca 1\ : t ' z *, a - l?�16 age s ; -. . S, : ff. . e - 7 a , ; 9 _ i.Y • y '.. ISL" - 'r-:\ NI •i h .S. . CIS et. • .,,,,,,,/ r',..14, � 3' l�• s , T. i ,• r tTi p f"• .. 'i y 1 • r r' s�1 ` •� � y r �r O/ • ` 0.25 i� 1 ti REFERRAL LIST APPLICANT: Orville W. and Billie Jean Smith CASE NUMBER: USR-760:86:41 SENT REFERRALS OUT: REFERRALS TO BE RECEIVED BY: September 26, 1986 NO SR NR NO SR NR X Weld County Health Department X Engineering Department X State Engineer Division of Water Resources 1313 Sherman St. , Room 818 Denver, CO 80203 X State Highway Department 1420 2nd Street Greeley, CO 80631 X Colorado Department of Health Water Quality Control Division 4210 East 11th Avenue Denver, CO 80220 X Town of Erie (/ Henry M. Epstein P.O. Box 100 Erie, CO 80516 X Louis Rademacher 13184 Weld County Road 13 Longmont, CO 80501 X Boulder County Planning Department P.O. Box 471 Boulder, CO 80306 X Longmont Soil Conservation Service ✓✓✓ 9595 Nelson Road Box D Longmont, CO 80501 V X Longmont Fire District William R. Emerson 9119 County Line Road Longmont, CO 80501 NO=No Objection SR=Specific Recommendations NR=No Response MAILING LIST Orville W. and Billie J. Smith USR-760:86:41 John F. Timm Heirs of W. K. Calvert 1308 South Pratt Parkway Longmont, CO 80501 Cinque Land Company Fred Spallone, Incorporated Highway 287 Midway Boulevard Broomfield, CO 80020 Richard L. Armstead 219 Highway 52 Erie, CO 80516 Joseph R. Becky 5445 East 33rd Avenue Denver, CO 80207 W. C. SQUIRES CONSULTING ENGINEERS COMMERCIAL INDUSTRIAL CIVIL STRUCTURAL REPORT FOR USE BY SPECIAL REVIEW SUPPLEMENTAL TO REPORT ON EXPANSION OF WASTEWATER TREATMENT FACILITY FOR B & B SMITH MOBILE HOME AND RV PARK 29 COLORADO HWY 52 LONGMONT, W$LD COUNTY, COLORADO di - . . , ', :11. ; SEPTEMBER 6, 1986 • d WCS Job. No. 86-040 3515 South Norfolk Way Aurora, Colorado 80013 Phone (303) 693-9316 Most of the detailed information requested by the Use By Special Review Procedural Guide is covered in the Report on Expansion of Wastewater Facility for B & B Smith Mobile Home and RV Park, dated July 15, 1986. This supplemental report responds item by item to the Application Re- quirements delineated in the procedural guide. Reference is made, as appropriate, to the wastewater facility report. * The proposed use and need for that use are described on page 1 of the WWTP report. * The surrounding properties are agricultural and do not have an approved Mobile Home/RV Park, therefore do not have or require a wastewater treatment facility as is being proposed. * The physical location of the plant is approximately 100 feet from the nearest RV site. The plant is, however, essentially an integral part of the mobile homes and RV's that it serves. * The present and future demand for wastewater treatment is covered on page 1 and Tables 1 & 2 of the WWTP report. * The number of employees, shifts, etc. is basically not applicable in this case. Mr. Smith is a licensed WWTP operator and will maintain his own facility. See page 2 of WWTP report. * Available well water feeds the residences served by the WWTP. * Access to the plant is by existing private roads within the park. * No traffic or vehicular use is associated with the regular operation of the WWTP. * The facility which is a WWTP is an Aerobic Digester. * Fire protection for this facility is not applicable. * No animals are associated with this facility. * No waste nor stockpile nor storage areas are anticipated being needed. * Storm water retention is not an issue with the WWTP. * It is possible that annually the operator might elect to have an approved sewage pumper and hauler remove approximately 1000 gallons in order to stabilize the treatment. The approved hauler would dis- pose of the pumped waste in an approved facility. -1- r,1 * Basically, the facility is below or at ground surface and will be fenced in for safety. Grass, shrubs and gravel will be placed in the perimeter area. * This is a permanent facility. * See page 2 of the WWTP report for the construction time frame. * The addition of a wastewater treatment plant to properly handle and treat wastewater produced by an existing (and future addition to) mobile home and RV park is consistent with the Weld County Compre- hensive Plan. This facility does not remove active agricultural land from agricultural use. The future expansion would be onto land zoned agricultural but not used for any purpose other than a leach field and approved quarry. Further, the expansion of the park is a con- firmation of the Comprehensive Plan's acknowledgment of population growth within the county. The population growth in the park is well defined and has a stated upper limit that is restricted by available land. The construction of a wastewater treatment plant is more likely to be supportive of the environment than the existing leach field. This is particularly true in this case because the wastewater is first treated within the plant so that the discharge is within state effluent limi- tations and is then placed in a polishing pond (the quarry pond). The retention in the polishing pond further reduces the pollutants in the wastewater. This further reduced effluent will eventually leach into the surrounding soil, be even further reduced, before reaching Boulder Creek. * The site for the treatment plant is located within the Boulder Creek 100 year flood plain. The 100 year water surface elevation is 4950.2' (refer to figure 3, WWTP Report) . In order to protect the environment against contamination during a 100 year flood condition, the concrete side walls will be constructed to a top elevation 18" above the 100 year water surface elevation. -2- Construction of the treatment plant will utilize reinforced concrete walls with water stops at all exterior wall construction joints and waterproofing of all perimeter surfaces. Consideration is also made to resist the possibility of uplift (floating) resulting from buoy- ancy during periods of high ground water elevation. * The plant itself does not require water for its operation, but rather it treats permitted water after use. The availability of water is a function of that already permitted for the park with no extra being required for the WWTP. Included with this report please find drawing No. 2 Plot Plan for Use by Special Permit. To further define the site location refer to figures 1 and 2 of the WWTP report. -3- AFFIDAVIT OF INTEREST OWNERS SURFACE ESTATE Application No. Subject Property Part SW 1/4 section 31 T2N, R68W also know as 29 "ol1. Hwy. 52, Longmont, Co. 80501 STATE OF COLORADO ) ss. COUNTY OF WELD THE UNDERSIGNED, being first duly sworn, states that to the best of his or her knowledge the attached list is a true and accurate list of the names, addresses and the corresponding Parcel Identification Number assigned by the Weld County Assessor of the owners of property (the surface estate) within five hundred (500) feet of the property subject to the application. This list was compiled from the records of the Weld County Assessor, or an ownership update from a title or abstract company or attorney, derived from such records, or from the recordsof the Weld County Clerk and Recorder. The list compiled from the records of the Weld County Assessor shall have been assembled within thirty (30) days of the application submission date. The foregoing instrument was subscribed and sworn to before me this day of tv2ivie , 19 . WITNESS my hand and official seal. My Commission expires: 4) - _s-v (-1-2.2-471C c Notary Puic NAMES OF OWNERS OF PROPERTY WITHIN 500 FEET Please print or type NAME ADDRESS, TOWN/CITY, ASSESSOR'S PARCEL STATE AND ZIP CODE IDENTIFICATION # John F. Timm, Heirs of -% W. K. Calvert 1308 So. Pratt Parkway Longmont, Co. 80501 1313-31-000-005 Cinque Land Co. % of Fred Spallone, Inc, w 28 wa v 1313-31-000-004 Richard L Armstead 2'i Hw 2 Erie Co 8 16 1 1 - 1- 000-008 Joseph R. Becky, 5445 E. 33 Avenue, Denver, Co. 80207 1467-06-000-11 yS A J . : w/ / y I \\ T.. A ( Z/44=c • i' I S. 114 S, 2w. 't y e ` _Cry r ` -.• f . P rtan a s' �. ' ^.. r x i p- ".- r 1"�- ' 3i-'i ti- •`13. 1 �' tS 4. zp' frd � 'y' r <1 . ar4J yt_v .�'7' ./« Yt ' q .y:: 41. r' t a � 'n i‘ I r i -44�;4,.d-4.cr4 tra4c,4 T^w a.-- t e ' yut et,. .1-s if 'it lit E "' / r ` �\ \ J \ e • � Y r :, f7 1 .y1` . a • is v ...j e. . •f - •�ri .r . x �r s.:r try 0/ .:{ �F•. \ 1 . R t. / ' y ;:e. .::07.441. fit. • ..1 - y \ �. .ife • • • ' • 'N..*it 11.- '..::. I , , . i T rtRl. ; 7 % • , { LLB r� _ ,� - : ' J o� 1 it' . -±-,44, ti " i 1 j `. p f ` ' \/ 4Q • T :,1 c. At 53 °t om yifb .•, 16 40 . • 10� S^.^1` •,. ....*846-.:'i •r , W 79 ,rte _ . 'J \S. 6"1.. •'• .1,:,1•1.1:' •-: . . 4i.:4. •••••,-- .,,.i.;v. w t �.9.r✓`T �.. 4 ♦7 it 4=146, -1? / •+ KM) Pax ♦.�4 �'A�., 'AtC • •'�'�.. ^ e.. ,3,-. / 4. I .,,like� {. try a7 / ' � � ° 30 53 - 29 76 Ewa . 52 m 47 ' l" 47 • ` f ; ` '.�,,vr `�+ 47 Al 6. - ..K.19 �j3$G, °� G ,af)+ '44° 48 53 ilit t 'a ,�.[ q • 46• J ..„:45 ...4. 3' I'. y ' �° - . .\, r• :4,.C • �+ �p°� * . L • •It �. • , I a• . --,; - a + 4 a S•• f .-) t,_3 .• f J s J-* 4;;Z may 48 , 7 } 40 esty . J �j�� -^�..: ,••••••1447.• 1tt n y y `S] x. ,_.. 'fit.+ a ltd[' re `j '+'t Ti.•• ( J ' a • 'YIr�O, t. `�'ic., .., ' 1- 3 r M. +W. -'� 452� lltxi. ^✓? .tytYG dt- :FT Cn g 7., . ., i 11 '' .f8. ‘oi ‘-,pm?:'di+')! yy'• 1 p1L S y fe d'. a i it . ... A.,"46r of el 5 �7re' 47 5 ;r5 ?�°r z }, pe r, /} • 5 fr c7 - 17 k. '--�— S �q'7,. a 35 15 • i� • v 'r wT,, - r"iy a\•r. / y� t i7f'w'i h t_K;ali',6 iir'k'5 'Lr' iJ� t2 r • da ' . , — / t 104 SOIL SURVEY TABLE 7.--SANITARY FACILITIES [Some of the terms used in this table to describe restrictive soil features are defined in the Glossary. text for definitions of "slight," "moderate," "good," "fair," and other terms used to rate soils. �Po Absence of an entry means soil was not rated1 —r_ __ Soil name and Septic tank Sewage lagoon Trench map symbol absorption areas sanitary nits Daily cover fields landfill lan fill for landfi P, _._._.__�____ _. .I and f i 1 1 2 1 , 2van :Slight Severe: Severe: St i ht see . C 'Fair. 3• page seepage. thin layer. A quolls ,Severe: Severe: I floods, Severe: floods, Severe: S Poor: wetness. floods, wetness. wetness. wetness. Severe: wetness. Aquents Severe: - floods, Severe: Severe: Poor: floods, floods, we[n zss. wetness. wetness. wetness. wetness. r t Aquolls 'Severe: Severe: Severe: Severe: Poor:; I floods, floods, floods, r wetness. we tow wets. w=Loess. wetness. wetness. Aquepts {Severe: Severe: Severe: floods, Severe: Poor: floods, floods, wetness. L_ � wetness. wetness. wetness. wetness. 5, 6 ;Slight ;Severe: Ascalon Sseepa: Severe: Good s seepage. seepage. seepage. 7 ;Slight Severe:Ascalon g Severe: Severe: Good. P seepage. seepage. seepage. • 8, 9 :SlightSevere:Ascalon g Severe: Severe: ,00d • seepage. seepage. seepage. 10 Severe: Bankard Sflood: Severe: Severe:f loots. floods, floods, floods. air. too sandy. seepage. seepage. 11 , 12 Slight Severe: Severe: Severe: r, Bresser ood. seepage. seepage. Seepage,13 Moderate:Moderate: Severe: Severe: Severe: Poor: o j slope . slope, seepage. seepage. small stones. seepage, small stones. 14, 15 16 Slight Moderates: Silent Slight. ;nod. seepage. • 17 Slight Severe: Slight Slight Colby slope. ;cod. 18': Colby Slight Severe: Slight Slight Adena ,Moderate: Moderate: Slight percs slowly. seepage, Slight ',';nod. slope. 19 :Moderate: Severe: Moderate: Moderate: :Good. Colombo I floods. floods. floods. floods. 20 'Slight Moderate: Slight • -Colombo slope g Slight :Good. seepage. • See footnote at end of table. 4 a;r,..: . ''1 I _ .1 -• - y L. _ y _ . .[ a y_ -- • rs..g...../.1-jt, 2 1 ..etr•-•.:. 4 _ . ._ ,: ,/-`.• : Z. ...7.—: • • 1. p •(Jy� o a. ' .4:-.4..-. - r x•C3• • a. r �/� • ...... _ •Yda •, •..- 9 -Jr/'Jb0 _� •T.M=. Gi-.•• NO_•• YOihO' .---.• ..�� ••:. lam_. - - T• •1 • .• •t[. 3�._ • s • ....+•-. •_ .�-•1`�1`,, ... T •- �` •, '_I . ere i� •r v.0t••.11f/' • '°.a .'a. • ,.L..' :. e.re..ie,.pp F _ • _ • [ r • s J •y • '- ! • : L 0 _ .4 N' tzb co `4 • 7_a • 5,• . \ — lige •E.:.. W` '1/4;) `` .€e .[._ Q , I' � 2 • • •'1 ii c.,-. P'1 ••. • It O .. z- F"' :o ti:-. _ • -` p :•r. '. • =r. W` C . .1.� �'�. ,t•;\N,'• ••• • • .__ --_ - _- ' WY.' �: •. ku- - - ,` ,8; • ••• qa Q . . • • • �J( • {• a.1 -.I. • r. r r7 na.. AN at•1 -- - - -s {�` ` • J Ch h1f r /: • b; • .e �•o ` • • r• [ r• •r' '� 3 • • • f•A•r i• • • • •• � •• �1:o• ;Q �\�1� .. is toollr. • ... v. • A i N = n o o •a a 3 a 1 n o e2. • • • O CO '•'7 C .�•• 0 • 'O V C O • 'O f N ri DI Lr x • X n, 1 P .O. BOX D N - U7 , COLORADO DO 805.4-1 Phonrs 652-2188 , :+biro 443-2036 January 30, 1984 TO WHOM IT MAY CONCERN: Mr. O.W. Smith, of 29 Colorado Hwy. 52, Longmont, Colo. , is within the "service area" of Left Hand Water Supply Company and is currently being served by our Company. Mr. Smith at this time has two (2) Multiple Housing Memberships, and can receive additional memberships when the necessary membership requirements and conditions are met. If you have further questions concerning this matter, you may contact me at the Company office. Sincerely, "James M. Dickey General Manager cl USE BY SPECIAL REVIEW APPLICATION Department of Planning Services, 915 Tenth Street, Greeley, Colorado 80631 Phone - 356-4000 - Ext. 4400 Case Number Date Received Application Checked by Mylar plat submitted Application Fee Receipt Number Recording Fee _ Receipt Number TO BE COMPLETED BY APPLICANT: (please print or type, except for necessary signature) I (we) , the undersigned, hereby request a hearing before the Weld County Planning Commission and Weld County Board of County Commissioners concerning the proposed Use by Special Review Permit on the following described unincorporated area of Weld County, Colorado: Part SW1/4 LEGAL DESCRIPTION OF SPECIAL REVIEW PERMIT AREA: ' ' •, 4ection 31 T2N N, R 68 W LEGAL DESCRIPTION of contiguous property owned upon which Special Review Permit is proposed:p„rt cw v& Section 11 T 2 N, R f,g W Property Address (Is£ available) 29 Colo. Hwy. 52 Longmont, Co. 80501 PRESENT ZONE 127 , 4 aria OVERLAY ZONES TOTAL ACREAGE all three zonings 25 acres PROPOSED LAND USE Mobile Home and RV Park EXISTING LAND USE SURFACE FEE (PROPERTY OWNERS) OF AREA PROPOSED FOR THE USE BY SPECIAL REVIEW PERMIT: Name: Orville W. and Billie Jean Smith Address: 29 Colo. Hwy. 52 City Longmont, Co. Zip 80501 Home Telephone #1—b52-2941 Business Telephone 11 same Name: Address: City Zip Home Telephone # Business Telephone # APPLICANT OR AUTHORIZED AGENT (if different than above) : Name: Address: City Zip Home Telephone I Business Telephone !f List the owner(s) and/or lessees of mineral rights on or under the subject properties of record. Name: Address: City Zip Name: Address: City Zip I hereby depose and state under the penalties of perjury that all statements, proposals and/or plans submitted with or contained within the application are true and correct to the best of my knowledge. COUNTY OF WELD ) STATE OF COLORADO ) Signature: Owner or Authorized Agent Subscribed and sworn to before me this ,2 day of 2.44 / 19 l6. 6c44-71 NOTARY PUBLIC fJ My commission expires n.2 - ] - 14/ o..o..a.-a �o..o-o .o.?o..o.-o ao .o.:p.aiP Number 1 _ v - i i ¢ 6258 S T E WA R '1` '1` I '1` L E }... �� ,� GUARANTY COMPANY , � r i • corporation, of Galveston, Texas, herein called the Company, for a valuable consideration, HEREBY INSURES TI 3 Y T 0. W. SMITH and BILLIE JEAN SMITH `!E ,' , 3'• • 'i •.I, hereinafter called the Insured, the heirs, devisees, personal representatives of surh Insured, or, if a corporation, its successors by u, i.`l•.4 3•¢• dissolution, merger or consolidation, against loss or damage not exceeding the aouni slated in Schedule A, together with costs, F :Ti 3i"i,, attorneys' lees and expenses which the Company may become obligated to pay as provided in the Conditions and Stipula li case 3 ¢ hereof,which the Insured shall sustain by reason of: rr 'l any defect in or lien or encumbrance on the title to the estate or interest covered hereby in the laud described or referred I 3; `j to in Schedule A, existing at the date hereof, not shown or referred to in Schedule B or excluded front coverage. in .c5 • ryry i Srheduh'-R or in the Conditions and Stipulations; or unumrketability of such title; or lark of a right of access to and 7i i.' from the laud; all subject, however, to the provisions of Schedules A and Ii and to the Conditions and Stipulations Olt ( i. f } the bark hereof; all as of the effective date of this policy, to-wit: the 1 3th day a May 1971 . •r 3'•� F. " at 7:45 A.M. � t SHINED UNDER SEAL for the Company, but this Policy is to be valid only when it bears an authorized countersignature. 3' F. • •,I Countersigned: ; :; THE SECURITY ABSTRACT COMPANY 3�¢ i OF WELD COUNTY ��nEc , 'I`1;NVA12'1` 'I`I'I'LE '4 (t;covt$ot;4; GUARMPAN '• r By; (V �' f�•s4� �Cjha�irman , •�c't �, uthorixed -ountersignature 8 �•./ Prest ant t /r s • ♦ 3 ,• SCHEDULE A . .E { tl Amount $80,000.00 •, ,7,t The estate or interest in Lite land described or referred to in this Schedule rovered-by this policy is .E . a A FEE SIMPLE , 3)x$,') title to said estate or interest as the dale hereof is vented indite Insured,and said laud is described us follows: ' J All that portion of the Southwest f)uarter / Township Two (2) North, Range Sixty-eight (68) W 4) of estofe the o n r Sixth (6th)eP`M. , ' Weld County, Colorado, within the following described boundary lines, 1 Beginning at the Southwest Corner (SW Cor) of said Section 31 , thence North 1 00° 14' East 1470.5 feet along the West line of said Section 31 , thence North 37° 18' East 650.0 feet Southerly from the Southerly bank of Boulder Creek, a- thence North 13° 37' East 283.33 feet; thence North 31° 111 East 222.0 feet, thence South 00° 22' East 2441 . 7 feet more or less to a point on the South line of said Section 31 , thence South 88° 50' West 585.6 feet along the South line of . said Section 31 to the point of beginning. . 3 %, Recorded April 20, 1957 in Book 1475 at Page 552 to construct, operate, maintain, r. 3 ; ;;ireplace and remove such communication systems, as grantees may from time to time • 1. require, E 3' 5, Right of Way conveyed to Foothills Water Users Association Recorded January 15, 3; ;J1964 in Book 503 under Reception No. 1426373 by Oswald J. Nichols and Lena I. Nichols E.1 ' construct, install , and lay and thereafter use, .operate, inspect, erect, construct, ` • ¢; repair, maintain, replace and remove a water pipeline. } 3 . 16, The liabilities and obligations imposed upon the premises by inclusion thereof 3ft;' within The Longmont Soil Conservation District, the Longmont Fire Protection District, the Northern Colorado Water Conservancy District and the assessments, dues, claims } t$1 or liens accrued or to accrue, made or assessed against the premises by reason of E ° 3''i¢• such inclusion, and the effect and operation of any rules, regulations , acts or contras 3; riof such Districts. �'4t J7. Except all Financing Statements or other documents reflecting security interests , ,�¢ or possible security interests in crops or fixtures filed in the records of the County - 3, ;1Clerk and Recorder, pursuant to the Uniform Commercial Code, which do not describe E ;: ,. the subject property, or any part thereof by legal description. 3" '; 8. Any notices filed b a;� y any person who has contracted to perform work or labor or sto provide -material pursuant to the provisions of 1963 Colorado Revised Statutes See Attached Rider 7. c(�.. � ; AI1,1 �� c y.,— F� R. b.' ,K ' POLICY _. ___ __ -11,1 I 'a ; ► NUMBER v 13 5 7 •75 $ i t' 4., c� `�'r , nsv s s AMERICAN LAND TITLE ASSOCIATIC(! 0 n'LR'E rThrICY- `TF,NDAR W. C. SQUIRES CONSULTING ENGINEERS COMMERCIAL INDUSTRIAL CIVIL STRUCTURAL REPORT ON EXPANSION OF WASTEWATER TREATMENT FACILITY FOR B & B SMITH MOBILE HOME AND RV PARK 29 COLORADO HWY 52 LONGMONT, WELD COUNTY, COLORADO \„'x`.61 T•SQ•� "/"'�� July 15, 1986 1St :* , WCS Job No. 86-040 • 4• +S 41. AIAL E'A;:PC).. t ber.CQLra 3515 S. Norfolk Way Aurora, Colorado 80013 Phone (303) 693-9316 CONTENTS A. Text B. Table 1 - Existing flow and loading C. Table 2 - Proposed maximum flow and loading D. Table 3 - Colorado Department of Health criteria E. Copy of Deed of Ownership of property F. Figure 1 - Location Plan G. Figure 2 - 1" = 8 miles location plan H. Figure 3 - Flood plain analysis I. Manufacturer's letter of compliance J. Manufacturer's technical information K. 24" x 36" site plan The B & B Mobile and RV Park is an existing mobile home and recreational vehicle park located in the SW Z of the SW 14 of Section 31, T2N, R68W of the 6th P.M. , Weld County, Colorado. More precisely located at the NE corner of the intersection of State Highway 52 and Northeast County Line Street. It is desired to expand this existing facility over the next 2 to 5 years by the addition of 30 recreational vehicle sites. Currently the mobile home and RV park consists of one residential dwell- ing, an allowance for 22 mobile homes and 22 recreational vehicles. The maximum population for the mobile home and recreational vehicle park, therefore, is one residential dwelling, 22 mobile homes and 52 recrea- tional vehicles. Tables 1 and 2, respectively, estimate current waste- water flow/loading and give projections for the future. Waste water generated by the existing mobile home and RV park is treated by a leach field located just North of the park. This leach field is to be reclaimed and used as the site for the proposed expansion. North of the park a sand and gravel quarrying operation is active. A pond is being formed by this operation. With the expansion, all contiguously owned land is employed. With reclamation of land for use in the proposed expansion, wastewater treatment through the use of a leach field is impossible. In addition, all existing municipal wastewater treatment facilities do not serve nor are within the vicinity of the B & B Mobile Home and RV Park. These limitations have directed the owners of B & B Mobile Home and RV Park to look at an aerobic digestive system with polishing pond as the only practical means of treating wastewater. A 15,000 gallon per day plant with chlorination will adequately handle and treat the maximum anticipated wastewater generated. It should be -1- noted that the actual wastewater generatedby the existing mobile home. and RV park is approximately one half of that shown in Table 1. Table 1 was created using standard values for flow and loading. The site for the treatment plant is located within the Boulder Creek 100 year flood plain. The 100 year water surface elevation is 4950.2' (refer to figure 3) . In order to protect the environment against con- tamination during a 100 year flood condition, the concrete side walls will be constructed to a top elevation 18" above the 100 year water surface elevation. Construction of the treatment plant will utilize reinforced concrete walls with water stops at all exterior wall construction joints and waterproofing of all perimeter surfaces. Consideration is also made to resist the possibility of uplift (floating) resulting from buoy- ancy during periods of high ground water elevation. The plant will require minimum cost and effort to operate and maintain. It is estimated that electricity will cost $1.00 per day and chlori- nation will cost $.60 per day. We anticipate an average of one (1) man hour per day as thebasis for time required to maintain and oper- ate the plant. The on site owner of the mobile home and RV park holds a Class A wastewater treatment plant operator's license, certificate #26, which expires June 1, 1991. It is anticipated that the owner will operate and maintain the WWTP facility in a manner compatible with the training he has received under his Class A license. It is estimated that it will require between 90 and 120 days from approval to construct this wastewater treatment facility and put it into operation. —2— a,. The mobile home and RV park and the property it is situated on is wholly owned by the property deed holders. All users of the facility are space renters of the park. The owner is in residence on site. Construction cost is estimated at $30,000 and will be paid by the owner on a cash basis, with no debt being incurred by the construction. In order to provide for operating and maintenance costs, a portion of the monthly (or equivalent) parking space fee will be reserved. As mentioned earlier, operation and maintenance of the plant is minimal, and is expected to cost approximately $200 per month. Under full occu- pancy, this breaks down to $2.67 per space. Under existing occupancy the cost increases to $4.44 per space per month. In anticipation of overall operation, a figure of $5.00 per space will be used to cover the operation and maintenance of the plant. For information purposes, technical data on a Case/Cotter aerobic diges- tive plant is enclosed, as well as maps of the general and particular site location. -3- ,e • w+ �. G a0 Ln - C M 'O 00 an a1 a1 IN. ' In N in •.Gi 'b N-. C O N. O P .4 v1 n O .IPA - a '-I O .-1 .-- P7 O O -4 H N a HI 3 .n O O "' C C Ill N NiC4 in O N. 3 u1 in • a P. N N1/4p N O 00 O C N Ni C 00 Ni un HI Ill 1/4O ea N in N .7 N 'O W O N -- in T •rl ) 10.1 .y H-1 dN N J O .HN to n H G a 'd G al Hi O 'd cy a - vnC ro m C o d in--- C A la 0al y O O in Hi 0w Co C in '.2 .e--1 \ al N N N k+ O N .-I of P O O O I la M \ O O O I kr C r-i a.l .ro CO 0 O .C a) a) u ro Co 3 (13 a) 0 T r. m OO v 0 my 3 u o G H A 4.J C CO N o C u 3 a) Co Ln Ln o 1N+ Co in HI .0 f Hi N. N. o I v 3 a) al r N. O x w r1 G Co H �' ,-01i W a1 C o a H C O � O v I o H >a a al 1 al -m N ?L CO al OG CU -Cl N Co. o .1 o -al U F ro 1--i 7 114 7 P. r-4 H CO CO N CO a7 cn E 01 O W O C $, o a) G a 4-4 F Kai 0..m P..C 444.1 Ln• N an• a) C �0 in 1a in 1a •r1 T al O. N a G T1 • P • a) 0 O � 1 a Ni a a P Hi ro o G o b a Co OC 7, N G in •> al M 4-4-4 cn Hi HIr1 Co H M 00 N N O -H 4.J •rl ,--1 a) •H G 3 U a7 M O H O o -ca E it M a) HI W C 0 H 'H a N 0 tH 3 al •r1 a/ a) al Hi r. '+� C Co W b rl a) CO r•I •r1 al al a)H rl .Co �.0 C0 .'a -- -C Co �b0 •H •~rl al VI ,4 r-1 N C m .n W > a.l CO C Co .0 H Pa a1 O o co c4 X F. a HO Hi a O (n-41 G' O Z F •-• 3 F Table 3 - Receiving Body of Water and Effluent Limits Criteria (As set down by the Colorado Department of Health - Water Quality Control Division) A. Receiving Body of Water: Segment 10 of Boulder Creek B. Classification: Warm water Aquatic Life, Class 1 Recreation, Class 2 Water Supply and Agriculture C. Effluent Limits: (Discharge into Boulder Creek) a) Total ammonia between 5 and 15 mg/1 b) BOD5 & suspended solids 30 mg/1 c) Oil and grease 10 mg/1 d) Total residual chlorine 0 5 mg/1 e) Fecal coliform 6,000 - 12,000/100 ml rl PAbsient 3Z-\.; M C L — q Jf llaon• — J \y ,1 [c ! Mti‘ . � ll� i Ianiiiii t. 44 Sk �l-r`4--� � /41 �..�`st% •. � .•, tai rid\ a414Li rr_ \1tW y ertialinn \ C. I z,./ "o ^y.��.J% )L Y.. 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"P S. 1� - �)!x • UlJI ,,..ii .,, /,., 1- . - ,,,x,:, . ,. . ___f„, :j,T,., •, ' I /' „ i J/f v,.., 12 i-� �� B -�9 C ` 1 • �U t • • r \ l / 16J 15 ers,,,,i ��Y-'T4 2 _._.�._�J' III I ,< \_ / - - , I e3-� MI 7 19 .. ,- ( IT vvv---"I I9 - _1 W ..r I �� -,4';4.1'.. I l �I y Pt V � ' j --- " i •" e i 1 61.S. ,r' 1� ---.( " L ..rz AU- - z �40 e -Fy r ,. ;.r. 1 ;:..-�;)' , z wr,o991 41[1911.69,66 99r).01 agn ... ........ ..."..: ..:. ...,.. :..::- 1993 ERIE COW 9 Water Wells Location Map- Figure 2 2. $ : ' h — ; QQ o I i x Z m ; zl I I r s } r¢ Q 8 of f' I - �g Q «r as R. ._. f I. .. �. t._; C4 3 2 5 • s , OO, a I'o '�f i 1_ :222 2_ —22.:.',,,,I _ LL c li m ! Iii 1 I -. I_._. 'f it I r :,:l- fir !fl r° �a I�I. .ii {' j . 1 r r' a"R Z I 1 J co �y L — C I 't,....,,, „.,.,,, ; I I,H, ,.,. .„ ,,.., ,,,.-1.'E d E I .,„.. .,:;. m G R —1111 ,,, o • t i \ fl0 r o III i I" O. 'v V _ N I N i ._--- ...____ --- ----— X11;1(:l. Ir.i ('� e.. . Inc ,I1IL o i. R\r rr �� t� off? `6� e ;tl III II1 I II ! H ry . .u 1 .rces /1•1 0, -cu/7 Jr. ed ( . GGL� { I I.�: l5 4.i � I I IiI j -'r° \SF 8 1+ .. a `., f eP,; ,'z -1 I. II g .g g E -.I l ... r n ° I . o\� l 4 & .t I-1 I o � � o I I s r r a E — d W r n I I 4 1 : R j `"a te ! .T . _ I t� ,� I 1 R Wx I m e] O { { n 8 4,..1 d :a .WI 14,‘ I, .1 I lj , I !, I. i r I„ tiFi 2 N ;:'•;',,..ill I " If ��"—ol e� .1'0/II-I.-I?,� oo_. 0, a."_.(r°.% . � v s so _ 9 fl _.;II9 uo3 �1:i. :2: II:!''' 't: ••'-;:N ' In n I P / w I t n e I W .....i,,,%u _ ¢ W j : I n W I ll tJ• o0 Q II s. o 1 V u W 8 m -- a 4 x 7 = I I r t �o a a � e I I II.,,,,.., a ,1 I '1% n% g 2� �A h .: o ,_ Vii' 41. W 1 it'st.,: ,. _ .. d 0 o n y� x ,,I July 14, 1986 W. C. Squires Consulting Engineers 3515 So. Norfolk Way Aurora, Co. 80013 Attn: Mr. Bill Squires Ref: 0. W. Smith Longmont, Weld County, Colorado Dear Bill: This letter is to certify to you that an extended aeration plant as manufactured by our company is more than capable of producing an effluent that will comply with the standards of the State of Colorado for the above subject project. Specifically the B.O.D. will be less than 30 milligrams per liter, the suspended solids will be less than 30 milligrams per liter, and the chlorine residual after 30 minutes would be less than 0.5. In this particular case we would chlorinate the effluent and then dechlorinate the effluent prior to discharge. It is our under- standing that the plant would be followed by a 3 day polishing pond which would stabilize the effluent further and should prevent any other contaminants from being discharged. All of the above will be included in the guarantee that we would make to the Owner for the sewage treatment plant equipment. If I can be of any further service please do not hesitate to contact me. Cordially, CASE/ OTTER/ IN tie/ arby Co, er KC/gh Coso/ ttoç ho 6625 :Qth =venue . ` -rnivThr r, e ( ; ty, .Cobbrado 80022 . (303] 233_,,5,1 ,1 0 0. o° 0 o ° O AI ,R — COO E ST 0 ENGINEERING DATA r Y TE DESIGN CRITERIA • AEROBIC DIGESTION SEWAGE TREATMENT PUNTS EXTENDED AERATION General In recent years there have been several modifications of the activated sludge process offered to the field. The one most readily accepted has been termed "Aerobic Digestion" or "Extended Aeration" which involves aeration over a 24 hour period. The principal characteristics which have contributed to its ready acceptance include: 1. ability to handle peak and shock loadings. 2. capital investment considerably below that for complete treatment. 3. highly technical operational supervision generally not required. Plants utilizing this process fill the need for an effici?nt, low cost treatment plant particularly adapted to the needs of schools, sub- divisions, motor lodges, hospitals, trailer parks, industry and other small installations. They provide odor-free and trouble-free operation and produce an effluent acceptable to state and local health authorities. Originally, they were intended to fill the gap between primary and complete treatment and were classified as "intermediate treatment, " but operating results have shown consistent BCD removals in the 85 - 95,8 range. The effluent is clear and odorless, and has a minimum pollutional effect on the receiving stream, t�. . Design Basis This type of treatment has been termed by various authorities as "Endogenous Respiration" , "Extended Aeration", "Wet Combustion" , "Aerobic Digestion" and others. We prefer the term "Extended Aeration" , Whatever terminology is applied, the process has as its basic principle, the theoretical destruction of all organic matter applied by means of greatly increased or "super" aeration. Removals are obtained by continuous aeration for a period of 24 hours with the application of a sufficient oxygen supply to satisfy the "combustion" or "digestion" process and mechanical miring to maintain cleansing velocities throughout the aeration tank. The aeration process is followed by a period of sedimentation in a tank of sufficient volume to provide ample time for subsidence of the sludge particles charac- teristic of the process. Sludge return from the settling tank is continuous, or practically so, and varies according to actual operating requirements, but may be as high as, or higher than the average flow to the plant. The application of the above basic principles to actual design practice is set forth in the following paragraph in which we attempt to explain the many variations encountered and what we believe to be the proper approach to each. 1. Daily Sewage Flow Reasonably accurate information_ regarding the quantity of sewage to be treated daily is desirable. The treatment plant design is based upon the average daily flow, but some provision must be made in the design of the final settling tank to accommodate the higher flow rates from "short term" installations such as schools, industries, etc. This is covered in Item No. 6. In the absence of accurate flow data, typical values given in Table No. 1 may be used as a guide. 2. Daily Organic Load The determination of the total organic load is not difficult, as long as we bear in mind that the 5-day SOD contributed by each individual daily is assumed to be 0.17 lbs, However, when the plant under consideration is to serve an industry, school, or an application other than residential, it is desirable to determine the actual strength of the sewage to be handled. A table of average daily flow and 5-day ?CD contributions has been prepared to show various plant applications. These are average values only and are subject to adjustment in accordance with the standards of the local health authorities, 2 f�'f" TABLE NO. 1 TYPICAL A'/ .PAGE DAILY FLOW ANL BOD CONTRIBUTIONS* Classification Remarks Daily Sewage Flow Daily SOD per person per person** Municipality Residential 100 gal. 0.17# Subdivision Residential 100 gal. 0.17# Trailer Park 22 persons/trailer 75 gal. 0.17# School Elementary 10 gal, 0.02# School High 15 gal. 0.03# School Residential 100 gal, 0.1?# Factory or No showers 20 gal. 0.04# Office Bldg. Factory With showers 25 gal. 0.05# Motor Lodge With toilet and bath 50 gal. 0.12# - Hospitals Per bed 200 gal. 0.30# Drive-In Theater Per car space 5 gal, 0.014 Restaurant Per meal served 5 gal• 0.01,' Country Club Per member 50 gal, 0.06# Shopping Center Per square foot 1 gal. 0.001# Youth & Recreation Per camper 50 gal. 0.12# Camp Laundry Per machine 400 gal. 1.50# Apartments 1 Bedroom Per person - 2 100 gal, 0.17# 2 Bedroom Per person - 3 100 gal. 0,17# 3 Bedroom Per person - 4 100 gal, 0.17# Service Station Per bay 1,000 gal, 0.20,# -”Various local health authorities may have standards of their own and it is suggested that you or your engineer consult with these authorities. __ - _111111 ---_ 3. Aeration Tank Cacacity The aeration tank must be of sufficient capacity to retain the total daily sewage flow. For normal domestic sewage, the tank must provide a 24 hour holding period on the basis of the total daily flow, Extended aeration plants are normally loaded 12.5# BOD per 1,000 cubic feet of aeration tank capacity, The maximum volumetric load that can be applied to the aeration tank is 15# 3CD per 1,000 cubic feet. 4. Oxygenation Capacity -An extended aeration plant is a completely mixed system and this, 1n combination with the 24 hour aeration period smooths cut shock _organic loading. Oxygenation requirements in extended aeration Are based upon the ultimate 30D, which is li times the 5-day BCE; thus, for each pound of 5-day BCD, the aeration device must supply 1 pounds of Co. The oxygenation capacity of an aerator is based upon the oxygen transfer into 200 tap water having a dissolved oxygen concentration of 0.0 mg/1. It has been shown that the rate of transfer in unsettled sewage is approximately 0.8 that of clear water. This figure may vary with different wastes and should be determined if possible. Also, good operating practice requires maintenance of approximately 2.0 mg/1 dissolved oxygen in the aeration tank. This also reduces the transfer rate and must be considered in selecting the aerator. Since the solubility of oxygen in clear water at 200 C is 9.17 mg/1, the factor 0.78 from eq. #1 must be applied. Thus, the combined factor, the product of eq. #1 and the transfer rate in unsettled sewage becomes 0.624. The aerator then must be capable of trans- ferring 2.4 lbs. of oxygen for each pound of 5-day 3CD applied. Eq. #1 9.17 - 2,0 , 7 = 0.78 9.Eq. #2 0 ,80 x 0 .78 = 0 .624 Eq. .43 i f = The oxygenation capacity of aerators is based upon their transfer of oxygen at sea level. The transfer of oxygen at altitudes above 2,000 ' is affected and a factor must be applied to correct for this transfer rate, 4 • TASII `i0. 2 T::LTE C0??,ECTTCN FACTORS Elevation (FEET) :actor 2,000 w ,94 3,000 ,-90 4,000 -37 5,000 ,34 6,occ �o 7,occ .77 M 000 .74 9,000 .70 10,000 ,67 11,000 .64 5. Aeration Tank and -Aerator Ratio There is a definite relationship between the volume of the aeration tank and the capacity of the aerator selected for use in that tank. The ratio between the two elements is based upon the necessity for keeping sludge particles in suspension. Cleansing or scouring -velocities can be maintained only when the aerator capacity is in proper proportion to the dimensions of the selected aeration tank. Table No. 3 gives the volume and capacity of the various size tanks, and the maximum volumetric aerator that may be applied with any given tank. 6. Final Settlirtz Tank Since the final settling tank is designed on hydraulic loading, rather than organic, consideration must be given to the rate at which the sewage is received. In small residential plants we mow the sewage is received in approximately 16 hours or 2/3 of a day. In normal residential plant design a final tank detention period of 4 tours is applied. This is actually 2.67 hours when calculated on the tests of the hourly rate of flow to the plant. Therefore, we recommend that the final tank capacity for any condition be calculated as follows: Surface loadig rate less than 33-1/3 gallons per square foot ;per hour of available tank surface. This loading should be based on the maximum hourly rate. This will provide for a satisfactory settling rate during peak flows and the most desirable rate during normal flow conditions. In hopper bottomed tanks, has become standard practice include the volume of the upper 1/3 Vof the sludge hopper settlinz FF in the se` 1_ _ volume, The slope of the sludge hopper walls must not be less than 1.5 vertical to 1,0 horizontal. Table No. gives the volume of the hopper for several square tanks, 5 • TABLE NO. 3 Concrete Tank Capacity Chart for Extended Aeration Plants :tax'aliens Cubic Feet Fillets ' Tank Dimensions Volumetric Load 1,500 200 1' 6 '0" x 6 '0" x 6' L.D. 3# BCD 2,000 330 1' 7'6" x 7'6" x 6 ' L.D. 5# " 3,000 450 1' 7'6" x 7'6" x 8' L.D. 7# " 4,000 570 1' 8'6" x 8'6" x 8' L.D. 5,000 0# 720 1' 9'6" z 9'6" x 8' L.D. 1C# 6,000 880 1' 10'6" x IC'6" x 8' L.D. 13# " 7,500 1,000 1' 11'6" it 11'6" x 8' L.D. 15# " -9,000 1,320 1' 11'6" x 11'6" x 10 ' L.D. 20# " 10,000 1,440 1' 12'0" x 12'0" x 10' L.D. 22# " 11,000 1,560 1' 12'6" x 12'6" x 10 ' L.D. 24# " 12,000 1,690 1' 13'0" x 13'0" x 10 ' L.D. 25# " 14,000 1,930 1' 14'0" x 14'0" x 10 ' L.D. 29# 1-5,000 2,000 1' 14'6" x 14'6" x 10' L.D. 30# " 16,000 2,250 1' 15'0" x 15'0" x 10' L.D. 33# " 17,000 2,400 1' 15'6" x 15'6" x 10' L.D. 36# " 18,000 2,560 1' 16'0" x 16'0" x 10 ' L.D. 38# " 19,000 2,690 1' 16'6" x 16'6" x 10 ' L.D. 40# " 20,000 2,850 2' 17'0" x 17'0" x 10 ' ?,.D. 43# " 25,000 3,340 2' 18'0" x 18'0" x 11' L.D. 504 " 30,000 4,030 2' 18'0" x 13'0" x 13' L.D. 60# " _35,000 4,680 2' 19'0" x 19'0" x 13.5' I.D. 70# " 1+0,000 5,350 2' 21'0" it 21'0" x 12.5' L.D. 80# " 45,000 6,020 2' 22'0" x 22'0" x 13.0' L.D. 90# " 50,000 6,680 2' 23'0" x 23'C" x 13.0' L.D. 100# " 55,000 7,380 2' 24'0" x 24'0" x 13.0' L.D. 110# " 60,000 8,020 3' 26'0" x 26'0" it 12.5' L.D. 120# " 65,000 8,680 3' 27'0" x 27'0" x 12.5' ...D 130# " 9,340 „ 70,vc0 3' 28'0" x 28'0" x 12.5' L.T. 14G# 75,000 10,010 3' 29'0" x 29'0" x 12.5' I.... 150¢ " 80,000 10,680 3' -29'0" x 29'0" x 13.5' L.D. 160# 85,000 11,360 3' 30'0" x 30'0" x 13.0 ' 1.D. 170# " 90,000 12,030 3' -30 '0" x 30 '0" x 14.0 ' L.D. 130# " 95,000 12,680 _3' 30 '0" x 30 '0" x 14.5' L.D. 1904 „ 100,000 13,350 3' 30 '0" x 30'0" x 15.5' L.D. 200# " 5 TABLE NC. 4 EXTENDED AERATION PLANTS DESIGN CF SQUARE FINAL SET Lf1G TANKS AT 33-1/3 GAL./ SQ. FT./-HR. SIZE HOPPER -SURFACE HOPPER VOL. VOL. OF UPPER MAX. FLOW S' FT. VERT. EEPTH AREA CU. FT. 1/3 of HOPPER 33-1/3 gal/ AT 14:1 SLOPE SQ. FT. CU. FT. sq.it./hs. 4'C" x 4'O" 2' 3" 16.00 19.125 9.37 533.28 4'-6" x 4'6" 2' 74" 20.25 27.83 13.82 674.93 5'0" x 5'0" 5' 0" 2-5.00 39.00 21.91 833.25 5'_6" x 5'6" 3' 44" 30.25 52.65 25.89 1,008.23 6 '0" x 6'0" 3' 9" 36.00 69.38 34.05 1,199.88 6'6" x 6'6" 4' 4" 42.25 89.29 43.16 1,408.19 7'0" x 7'0" 4' 6" 49.00 112.50 55.50 1,,.6 33.1' 7'6" x 7'6" 4' loin 56.25 139.67 68.65 1,874.81 3'0" x 3'0" 5' 3" 64.00 170.06 55.12 2,133.12 8'6" x 8'6" 5' 74" 74.Z0 213.38 105.06 2,493.08 9'D" x 9'0" 6 ' 0" 81.00 246.00 121.20 1,-699.73 9'6" x 9'6" 6' -4-}" 90.25 291.06 142.92 3,OC8.03 10'O" a lo'O" 6' 3" 100.00 340.88 162.75 3,333.00 10 '6" x 10 '6" 7' in 110.25 396.57 192.82 3,674.-63 11'0" x 11'0" 7' 6" x_, � 1.00 "57.50 224.78 L,0-32. 3 11'-6" x 11'6" 7' 104" 132.25 524.96 257.28 4,4.07.59 12'0" x 12'0" 8' 3" 144.00 398.13 293.-62 -4,799.52 12'6" x 12'6" 8' 74" 156.25 678.49 314.50 5,207.81 13'0" x -13'0" 9' 0" 169.00 765.00 375.00 5,632.77 7 ii_ 7. Sludge Storage Tank In theory, the rate of sludge build-up is balanced by the rate of sludge destruction. However, authorities agree and experience has shown, that no sewage treatment plant man be operated in which all solids produced gill be destroyed (burned) in the oxidation process. Since all solids are not destroyed, the surplus must either be passed out in the final effluent or accumulated in the treatment system. The rate of solids accumulation is, therefore, related to the clarifier efficiency. Since it is our desire to produce the highest quality effluent possible and since it is recognized that periodic removal of sludge will maintain the effluent quality, we believe a sludge storage or aerobic digester is desirable in extended aeration _plants and this tank should provide storage capacity adequate to allow sufficient accumulation for economical disposal of the sludge. S. Sludge Return Pump A positive means of sludge return from the final tank to the aeration tank must be provided. For this duty a pump or air lift which will pass a reasonably large solid and yet be in a capacity range commensurate with the overall plant is recommended. This unit should be provided with a suitably valved discharge line arranged for discharging tither to the aeration tank or to the sludge holding tank. 9. Control Panel The control panel consists of the necessary magnetic starters, time clocks, and switches to automatically control all electric motors on the plant. The blower motors are controlled by a Hand-Off-Auto selector switch in conjunction with a magnetic starter and one or two timers as determined by the weekly flow rate. The second timer is used to control the blower equipment where off-peak flow periods occur, (Schools, recreation areas, etc. ) A switch should also be furnished to turn both blowers on if needed. 8 PLANT OFfc ATICNAL ?RCC=tTRES Start-up Procedure Start-up procedure of an extended aeration plant is relatively simple. To implement the filling of the tank, fresh water can be used in conjunction with raw sewage. Proper rotation of the blowers is essential. Driving belts should be checked for proper tension. Water levels throughout the system are important and occasionally need -adjusting. Generally, the adjustable weir across the final tank is raised -half its full height. The water level in the aeration tank is observed when the aerator is off and water is just being emitted over the effluent weir plata. - Also, with none of the equipment operating, and the water level at the crest of the effluent weir, the skiing funnel in the final settling tank should be adjusted so that its lip is 1/4" below the water elevation in the tank. -Time Clock Settin¢ Normally, when an extended aeration system is started it can be assumed the -organic -loading is somewhat lass than design. With this assumption the time nlock is arranged to provide a program of 15 minutes on and 15 minutes off, throughout the 24 hours. Adjustment is easily made by sliding the self- contained non-removable trip levers in or out on the 24 hour dial, and setting the dial to the proper time of day. The setting must be adjusted as the plant is operated under load to compensate for the load coming to the plant. This aeration program must be adjusted later to meet the needs as indicated by proper test results. The settings are determined from D. D. tests to insure -that approximately 2 mg/1 dissolved oxygen is present et all times. Foam The problem of foam is often present in the aeration tanks. While in most cases it does not hinder treatment, it is a nuisance and should be corrected. IIsually, it is encountered in the initial phase of treatment due to underload conditions and may disappear after several weeks of operation. If it persists, corrective measures can be made for its elimination. Cne method is decreased aerator operating time, especially during night hours. Other methods include the use of anti—foam chemicals or spray nozzles set around the periphery of the tank. Normal Cperatinz Procedure Adequate maintenance for all mechanical equipment is essential. The routine tasks of lubrication should be performed with a fixed operating schedule. Motors are lubricated according to factory instructions. -Over lubrication wastes grease, reduces the effectiveness of the seal, and may cause bearings to overheat. Follow lubrication and maintenance instructions furnished. 9 Generally, the following items should be included in a fixed daily schedule: 1, Cleaning bar screen and disposing of screenings. 2. Checking operation of return sludge air lift. • 3. -Checking start and stop controls on blower motors., A+. -Collecting samples for tests, if necessary. 3. Hosing down tank walls, 6. Skim final tank as required. 7. Scraping the walls of final settling tank to dislodge possible buildup of sludge. (For hopper bottomed tanks, during first six weeks of operation), 8, perform at least one D. O. and settleable solids test near midday when load is heaviest, 9. Check C12 residual daily (if chlorinating), • ' 1-0. Adjust equipment operation as indicated by resit'is of tests. Not all of this work can be reduced to a precise schedule, but it is advantageous to do so as far as possible. oar Screen The screen should be cleaned as often as necessary to prevent sewage from backing np into the incoming sewer. Cleaning is accomplished by raking the screenings up the incline and onto the drain rack, After draining, the solids removed should be disposed by burial or incineration, NEVER BY PUTTING THEM IN THE AERATION TANK. Aeration Tank in normal operation, the concentration of solids may approach a point where there is insufficient oxygen being dissolved to maintain a dissolved oxygen -level of 2 mg/1 even though the aerator may be run-using continuously, When this occurs, it is time to stop returning the sludge to the aeration tank and instead waste it to the sludge storage tank, Enough sludge should be wasted so that an acceptable D,O, level can be maintained with the aerator operating somewhat less -than full time. -Another criteria for determining when to waste sludge in extended aeration plants is whether or not the air lift pump can return all of the settled sludge. :f the sludge builds np in the final, even though the Air lift is operating atthe maximum rate, sludge should be wasted, • 10 • • Another guide to be used in conjunction with the previously outlined criteria is the settleable solids test, Normally, the operating Level of solids by volume in the mixed liquor varies between 3C and 60 per cent. When sludge is wasted, an equal volume of supernatant liquor is automatically displaced ox ygen (air) demand, its quantity should be limited by thickening the sludge to be wasted in the clarifier, This can be accomplished by shutting off the -return sludge (airlift) for several hours before starting to waste. The proper amount of sludge to waste must be determined by trial, and will probably be a step procedure over several days, For example: waste sludge for 30 minutes to 1 hour, The results of the next days test will indicate if the amount wasted was adequate. Note that the aerator must be. in operation to insure that mixed liquor enters the final tank during this operation. Final Tank There are two styles of final tanks, hopper bottomed and mechanically cleaned. Operation of the final tank is quite simple and consists only of scraping down the walls to dislodge hanging sludge on the hopper, setting the air lift pump so that all of the settled sludge is returned, and skimming to clean the liquid surface. The return of sludge from the final tank should be continuous and adequate to keep sludge from accumulating in the hopper. This rate on the air lift pump is set by adjusting the air throttling- valve on the air line to the airlift. if the final is mechanically cleaned, the telescoping valve should be set so that all of the sludge is withdrawn. Also this valve should be flushed daily by increasing the withdrawal rate momen- tarily. She scraping mechanism should be kept in continuous operation. _Skimming should be done no more than necessary, normally only a few minutes once or twice a day. Skim only until the surface of the final tank is clean. Chlorination In most cases the extended aeration plant will be furnished with a chlorinator and in most -cases this will be a hypo-chlorinator which is a positive displace- ment, low capacity pump, The chlorine will generally be in the form of a powder or liquid, If in powder or granular form it will need to be dissolved in the proper amount of water to form a solution of the desired strength, Tr. the liquid form it will usually need to be diluted to the desired strength. The desired strength of feed solution will vary, depending on the capacity of the hyro-chlorinator and the amount -of chlorine needed. This must be computed for each individual plant. tperating and maintenance instructions will be furnished with each machine and should be followed carefully, 11 I Normally, it is necessary to feed only enough chlorine solution to maintain a 2.0 mg/1 residual after a 15 minute contact period, The chlorine residual can be determined by a color comparator test kit furnished with the machine. Laboratory -Procedures In general there are two test procedures, both -quite simple, that need be performed by the operator to insure good operation. They are the dissolved oxygen test and the settleable solids test. A third test, that of residual chlorine is required only when chlorinating the effluent. Instructions for performing the required tests are furnished with the test kit equipment. -An occasional full laboratory test on the influent, effluent and mixed liquor is desirable. 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