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Home My WebLink About20111359.tiff Inter Office Transmission Wilgc. COLORADO TO: Esther Gesick DATE: May 20, 2011 FROM: Michelle Martin SUBJECT: Please include the attached documents in the case file for USR-1759. This case has already been to the BOCC. Thanks. tniCh �A.�-wti 2011-1359 Pt-a y7g i Michelle Martin From: Mary Evett Sent: Friday, May 20, 2011 1:28 PM To: Michelle Martin Cc: Lauren Light Subject: USR-1759 Schwader Attachments: image002.png Septic permit SP-1100076 has been issued and has received final approval based on the engineer's design and evaluation of the existing septic system, dated 4/19/2011, and ISDS evaluation performed by Lauren Light on 4/27/2011. Therefore, EHS's condition no. 3 of USR-1759 has been met. Mary Evett Environmental Health Specialist Weld County Department of Public Health and Environment 1555 N 17th Ave Greeley, CO 80631 tel: 970-304-6415, Extension 2216 F 2 4 C 13F I I Confidentiality Notice:This electronic transmission and any attached documents or other writings are intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. If you have received this communication in error, please immediately notify sender by return e-mail and destroy the communication. Any disclosure, copying, distribution or the taking of any action concerning the contents of this communication or any attachments by anyone other than the named recipient is strictly prohibited. 1 I g . M21^3?J 1V103d5 A9 3911 F .ma ae1 •°.,••,••,,,. - .e t�W!un1 - , f i ii LI a 234VMH'Yo AJY239 91211Th g °Nwe a s- o g .3t I — 9 ill2449 : 4,44 44 ' d! 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PS r ,i F S R 1' ac) it PG ,Qo9,..2 ter'‘ Inter Office Transmission WIIDC. COLORADO TO: Esther Gesick DATE: July 28, 2011 FROM: Michelle Martin SUBJECT: Please include the attached documents in the case file for USR-1759. This case has already been to the BOCC. Thanks. ?-3-ZO11 9Q/I - 13561 PLa9a FIEEMAN ARCHITECTS,, April 22, 2011 Kurt and Becki Schwader Air Masters Heating and Air Conditioning 940 W. 7th St. Loveland, Co 80537 Re: Structural observation, your offices at 21990 I-25 Access Road, Johnstown, 80534 for a change of use building permit. Dear Kurt and Becki, I visited with you at your office on Monday April 4 to observe the structure and finishes of two buildings that contain your business. Your offices are contained in a building of about 1000 square feet in area. The building was apparently constructed as an equipment shed; the equipment doors are still on the south face of the building. The interior contains a reception area, work room and three or four enclosed offices. There is a small non- compliant (non-handicapped) restroom. You provided a plan sketch of the building which I have attached. There is one exit door and I note that there are less than 10 code occupants and there is no travel distance to an exit in excess of 75 feet. Table 403.3 of the International Mechanical code requires 20 CFM of ventilation air per occupant or about 200 CFM total. You installed a 7" round intake air duct to the plenum of the existing furnace which is more than adequate to satisfy the need. I checked the roof structure which appears to be well-built for its age. I saw 2 x 6 rafters at 2' o.c. with 2 x 6 collar ties at 4' o.c. the insulation layer is at the top chords and appeared to be complete. Overall the building appears to comply with the applicable portions of Chapter 9 and section 912 of the 2006 International Existing Buildings Code and the other related "I" codes. You and I also walked through the storage building. This building is 64' x 40' for about 2560 square feet. It is a typical pole-barn structure with 6 x 6 columns at about 8' on center and trusses at the same. It has 2 x 6 girts at 2' o.c. vertically and I assume it has 2 x 6 purlins above. The building is partially heated with a radiant tube system and is fully insulated. The building is used for storage of mostly non-combustible HVAC parts. The building has only one exit but it appears that no exit distance is greater than 75 feet. I believe this building is structurally adequate for the design loads and that it complies with the applicable portions of Chapter 9 and section 912 of the 2006 International Existing Buildings Code and the other related "I" codes. '_0'-1 1311 0 MI SA DRIVE PHONE 970.667.3'). IMAM_-f RI I:MANARCII ISia AOLCOM I ON. ELAND,(0 H0-7,4M FAX:970.667.39- Please call me if you have any questions. JOHN R. r * EEMAN *I John Fre an, Architect 1 B•1745 *40 Ov. fDARt � , AprO5 11 10:47a Air Masters LLC • 970 2006 p.2 ?.• '. 1 r F v u + u, ` r•V -3 • Y k • • a © © TOTAL ENGINEERING SERVICE, INC. 1601 37th ST. • EVANS, COLORADO 80620 • 970-330-1071 • FAX 970-330-1252 April 19, 2011 Ms. Mary Evett Environmental Protection Services Weld County Health Department 1555 N. 17th Avenue Greeley, Colorado 80631 RE: I.S.D.S. Evaluation Air Masters, 21990 1-25 Access Road Johnstown, Colorado Dear Ms. Evett: Please find enclosed the data pertaining to percolation tests performed for an Individual Sewage Disposal System (I.S.D.S.) for the above referenced site. A representative of Total Engineering Service, Inc. (TES) performed percolation tests on April 17, 2011. The average percolation rate was found to be 11.4 minutes per inch and is summarized on Table No. 1. The average percolation rate meets Weld County regulation rates for a standard system. No limiting zone was encountered to an approximate depth of eight feet below existing grade. See attached Log of Profile Boring. The existing system was evaluated with 7 office day workers using 15 gallons per day. The enclosed calculation sheet shows the septic tank required would be 197 gallons or the use of a minimum 1000 gallon tank and the absorption field would need to have a minimum 98.8 affective square foot bed using 7 — 6.25' long Infiltrators. The existing system consists of a two compartment concrete septic tank consisting of 1000 gallons. It appears 7 — 6.25' long Infiltrators have been installed. There is no evidence of any failures from the existing system. In my opinion the existing system is adequate for use by 7 office day workers and is constructed in a manner that will not endangering the public health, safety, and well being of the public. Please contact us if you have any questions concerning this matter. Sincerely, TOTAL ENGINEERING SERVICE, INC. �P�u mots 79-14I AS M.� O Tom Cop P.E. 2 49 President 11-107 ;:c4� a a a TOTAL ENGINEERING SERVICE, INC. 1601 37th ST. • EVANS, COLORADO 80620 • 970-330-1071 • FAX 970-330-1252 TABLE NO. 1 PERCOLATION DATA SUMMARY FOR Individual Sewage Disposal System Kurt Schwader Air Masters 21990 1-25 Access Road Percolation Percolation Bore Rate No. (min/inch) 1 7.36 2 9.78 3 18.33 4 14.44 5 8.22 6 10.00 Design Percolation Rate 11.36 Minutes/Inch LOG OF PROFILE BORING Client: Air Masters - Kurt Schwader Project: 21990 1-25 Access Road Site: Johnstown, Colorado Project No.: 11-107 o O • 0 Description m a d a m O i- I\ oC .N E 9 m W C ? Z UC C 2 N a p y Zen O C 'N c rn a a E ILO d O C := %1 - a c — (---,5 d m a cu a". o o- m ≥ �' co0 o O co com 3 o n Li Cl_ o min SILTY SAND 0 - F keil 1 iiir: Iiiiiiitgiiiii 3 - 1111 itititilti skitisicii , 5 - 6 lig 7 ,- B Soil was too cohesiveless to stay in the auger. fiflI END BORE 8 < 9 The stratification lines represent the approximate boundary lines between soil and rock types. Insitu,the transition may be gradual. Water Observations Boring Started: 3/17/2011 Initial WL: Dry T.E. S . Boring Complete: 3/17/2011 WL: Dry Logged By: TMC Water Checked: I 3/18/11 Total Engineering Service, Inc. Approved By: TMC ;44- \ - SIWEPUN/ TEST BORING LOCATION DIAGRAM 21990 I - 25 Access Road JOHNSTOWN, COLORADO DATE: 4/1 8/1 1 SCALE: TOTAL ENGINEERING SERVICE, INC. PROJ. NO: 1 1 - 1 07 AS SHOWN NNNNNNNNNNN N N N N N NN 1601 37th STREET TMC SHEET 1 EVANS, COLORADO 80620 DRAWN BY: (970) 330-1071 TMC OF 1 CHECKED BY: a as TOTAL ENGINEERING SERVICE, INC. 1601 37th ST. • EVANS, COLORADO 80620 • 970-330-1071 • FAX 970-330-1252 PROPOSED ESTIMATED CALCULATIONS INDIVIDUAL SEPTIC DISPOSAL SYSTEM ESTIMATED FLOW Office Office Worker / Day Workers = 15 gpd 7 Day Workers -Average Daily Flow = 105 gpd Maximum Daily Flow = 157.5 gpd SEPTIC TANKS (157.5 gal/day)(day/24 hrs)(30 hr Req. Det.) = 197 gal. HAS: 1000 Gallon Tank OK ABSORPTION BED A = Q(t)0 5(1.3) Q = 157.5 gpd 3.5 t = 11.4 mpi A = (157.5)(11.4)0.5(1.3) 3.5 A = 197.5 sq. ft. INFILTRATOR® CHAMBER EVALUATION Reduce area by 50% A = 98.8 sq. ft. Affective Area/6.25' Infiltrator® Chamber = 15.6 sq. ft Infiltrator® Chambers required: 98.8 sq. ft = 6.3 units 15.6 sq. ft/unit USE: 1 Units wide x 7 units long OK 4 APPENDIX 30-B WELD COUNTY TABLE OF MINIMUM HORIZONTAL DISTANCES IN FEET BETWEEN COMPONENTS OF A SEWAGE DISPOSAL SYSTEM INSTALLED AFTER NOVEMBER 15,1973,AND PERTINENT GROUND FEATURES Property Lines, Spring, Potable Potable Dwelling Subsoil Drains Watercourse, Dry Wells, Water Water or Piped or Lined Irrigation Gulches, Suction Supply Supply Occupied Irrigation Lake, Ditch or Swales, Lines Line Cistern Building Ditches Pond Stream Gullies Absorption Trench or Bed Sand Filter,Sub-surface (3) (4X2) (3) (3) Dispersal System 100 25 25 20 10 100 50 25 Unlined Sand Filter in Soil With a Percolation Rate Slower (4X2) than 60 Minutes per Inch 100 25 25 15 10 25 25 15 Unlined or Partially Lined Evapotranspiration System,or Surface Disposal System Other (4X2) than Aerosol 100 25 25 15 10 25 25 15 Lined Sand Filter 60 (4)10(2) 25 15 10 25 25 10 Lined Evapotranspiration Field 60 (4)10(2) 25 15 10 25 25 10 Vault Privy 50 (4)10(2) 25 15 10 25 25 10 Septic Tanks,Treatment (2) (4X2) (1) Plants,Dosing Tanks,Vaults 50 10 25 5 10 50 50 10 Building Sewer or Effluent (2)(4) (4)(2) (4) (2X4) (4) (2X4) (2X4) Lines 50 10 25 0 10 50 50 10 NOTE: The minimum distance shown above shall be maintained between the system components and the physical features described. Where soil,geological or other conditions warrant,greater distances may be required by the Board of Health or by the Water Quality Control Commission pursuant to Section 25-8-206, C.R.S., in accordance with the authority prescribed by law and rules and regulations implemental of said section. Components which are not watertight should not extend into areas of the root system of nearby trees. For repair or upgrading of existing systems where the size of lot precludes adherence to these distances,repaired facility shall not be closer to water supply components than the existing facilities. For new systems, variances may be given from these distances,but shall not be closer than the CDH distances. (I) Distance shown shall not apply to treatment plants or effluent lines where recycling is permitted. (2) Crossings or encroachments may be permitted at the points as noted above, provided that the water conveyance pipe is encased for a minimum distance of 10 feet on each side of the crossing. A length of pipe shall be used with a minimum Schedule 40 rating of sufficient diameter to easily slide over and completely encase the water conveyance. Ridged end caps of a least Schedule 40 rating must be glued or secured in a watertight fashion to the ends of the encasement pipe. A hole of sufficient size to accommodate the end caps shall be sealed with an approved underground sealant compatible with the piping used. (3) Add S feet additional distance for each 100 gallons per day of design flow over 1,000 gallons per day as specified in the table,unless it can be demonstrated by a registered professional engineer or certified professional geologist that a mechanical or natural barrier will prevent contamination. (4) Encroachments may be permitted, provided that the water or wastewater conveyance pipe is encased as in(2)above, specified in the table. (Weld County Code Ordinance 2005-5) Appx 30-3 Supp.9 Hello