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HomeMy WebLinkAboutpitkin.eh.264328204002 (2006)Permit # 06058 Pitkin Count\ nvironmental Health & Natural ReSol -s Department Permit for an Individual Sewage Disposal System 0405 Castle Creek Road, Suite 10, Aspen, Colorado 81611 Phone 970-920-5070 / FAX 970-920-5077 Parcel ID # 2643-282-04-002 Type of permit New( ) Repair( ) Addition/Remodel to House( X ) Name of Owner Ted Davis Street Address 98 Snow Fox Lane Property legal description Size of lot 2+ acres Water source Lot 2, Block 5, Filing 1, Brush Creek Subdivision Brush Creek Metro # of bedrooms in house 4 Caretaker unit # of bedrooms in caretaker unit Designed for what # rooms (list) Designed by Mailing Address Perc rate 34 Total square footage of the house 3,346 # of offices, lofts & similar sized rooms in house Total square footage of the caretaker unit # of offices, lofts & similar sized rooms in caretaker unit FOUR Bedrooms Permit information Church OWC, LLC P.O. Box 527, Wheat Ridge, CO 80034 Profile hole depth NA Minimum Septic tank capacity 1750 Depth to groundwater or bedrock Minimum Absorption area Comments Weathered shale 1633 sf Septic permit approved per compliance with the engineer design and specifications dated June 27, 2006 and letter dated July 25, 2006. Any changes must be approved by this department and the design engineer prior to them being made. Minimum horizontal distances between components of the system and physical features shall conform to the Pitkin County ISDS regulations. Documentation that the well has been properly abandoned must be submitted before final approval. The existing 1,000 gallon tank can be used if the engineer documents that the tank has good integrity. A 1,000 gallon, two compartment concrete tank with an effluent pumping system is to be added. An automatic distributing valve will pressure distribute to three new sections of 4 ft deep sand filter material, each section 15 ft X 40 ft, placed 2 ft below the surface. The material from the existing field may be used on site or must be properly disposed of at a landfill. The sand must conform to the intent of Section 6.28.670 A. of the Pitkin County ISDS regulations or conform to ISDS Policy 2005-001. An invoice to document the type of sand material must be submitted. This department does not endorse any brand of products. This permit must be kept on-site during installation. The engineer must do a final inspection of the installation and submit an as -built letter to this department. This department must also be called for an inspection with a minimum of 48 hours advanced notice. *Revegetation over the area of the field is very important for the functioning of the system. Pitkin County has guidelines that must be followed to assure the plants that are introduced are appropriate for the conditions of the area. The use of native plants is strongly encou Permit approved by: /YL ll ' Date: Plans and specifications of the pro sed individuals age disposal systehav een reviewed and are considered satisfactory. Permission is hereb ranted to the owner or the agent to pe orm t e work indicated in accordance with the Pitkin County ISDS Regulation in effect at the time of issue. This permit becomes invalid 6 months from the date that the permit was issued unless system construction has commenced or an extension has been approved in writing by the Department. As -built drawings must be included with this p it before the final approval will be issued. Expiration Date: Installer: �,{I l' . (G, License Number: 6 % Final approval: Date: I L� �t 0405 Castle Greek Road, Suite 10, Aspen OY4rado 81611 Phone • i 920-5070 t 920-6077 Nam of OWNER -5� Owner's Mailing Address 21-1 z -3 # Home Phone: %7 -7D . ^ -J ? ? / t rraall Address; (�;' (I— .o "r i , Ccf A� Pare ita # (avattablO €rOn't ass"sor°s o Ce at 920-6160ear°at www.gltkIngMessor.9a Building Perm ale) � �% • O C' � Street E • . property !ii.�IL Legal Description: Lot Z' 'Block Filing Subdi;vision /L Size Of E Type of proposed Total square feet of house # of bedrooms (potential) In house Caretaker Urft E -t '. Permit is for. Now Rohs FUP* due to tyre {- } Remodel) K } urgency use { Watw Private well { ' ) Spring { CommunlyPubfic Water System If unity sirs Name of system i � ..#• E sof E •' A i # # A4 •'�!� E i# E is • t� � ear t r � e �R� a•;, a #s s�-t _ 11! E� E ',®!: + z - ' r E 4E # s a _ m � • # # r _ s . # x a . e,y � . a � t e x -A ,„A#P 4 •E .♦•t#.. ! # 4 •. "bel «E and The Pitkin County Environmental Health Dement, Pitkin County and employees of these agencies: will be held harmless should the individual sewage disposal system fail or malfunction. The permit to construct is issued on information submitted by the applicant or h1aftw reps Rives. The full responsibility in erase of failure of the system. d Signature of ap li # Received by Receipt .ids affcVsdsapp reN,072904,doc Date 04066 -. NOTE: SEPTIC SYSTEM APPLICATION CHECKLIST SEPTIC PERMIT APPLICATIONS CANNOT BE ACCEPTED UNTIL ALL OF THE DOCUMENTS AND INFORMATION BELOW HAVE BEEN RECIEVED. Each box should be checked to indicate the following have been completed, or submitted as part of the application. Only one copy of each document is necessary. Completed application form. Engineer design stamped by a Registered Professional Engineer (RPE) registered in the State of Colorado. o Design must be based on the Pitkin County ISDS Regulation, Revised 2001. This design should be on a site map (1" to 20' scale) that must include locations of all existing and proposed wells, location of perc tests, contour intervals, all proposed and existing buildings, property lines, ditches, water lines, sprinkler systems, springs, suction (irrigation) lines, drinking water cisterns, drain tiles, all water courses, floodplains, floodways, dry gulches and existing septic systems. The map must include all such features on neighboring properties within setbacks. o An individual may provide ISDS engineering services for themselves provided the dwelling the ISDS serves is his/her primary residence, but an Owner/Builder Acknowledgement must be signed at submittal. See Pitkin County ISDS Regulation Article 4, Section 6.28.110. I JJ Environmental Health & Natural Resources has been notified and given an opportunity to visit the site at the time of soil testing. ❑ Soils report provided by an RPE: o Percolation tests (must be conducted by an RPE). o Soil profile. ❑ Building floor plans. Plans should be 11"x17" and legible. 01 OFF, Land use development approval (from Community Development): o Recorded 1041 Hazard Review Site Plan designating property is "1041 exempt," please have Community DE Department at: aliciag@co.pitkin.co.us. the approved building envelope. If the �velopment confirm this by e -mailing our�— Copies of all land use development approvals (or other recorded document) pertinent to location of the septic system, or pertaining to the property's water supply (e.g., BOCC Resolution, HO Decision). Proof of adequate water supply. Generally, this will include: o For private wells (well must be drilled before septic permit can be issued): ■ Well driller's report. ■ Well permit (issued by the Colorado Division of Water Resources) and final augmentation plan (if required). o For community and non -community public water systems: ■ Letter from the Water District confirming they have sufficient water to supply the development and have agreed to do so. o For surface water diversions: ■ Proof of decreed water rights. Proof of adequate water quality. o Bacteriology test results. (Aspen Consolidated Sanitation District and Snowmass Water & Sanitation District perform this test locally). ❑rJ 'Fee. The ISDS Permit fee is $600; the flat fee covers the first 6 hours of processing. An hourly rate of $100 will be charged beyond the first 6 hours, up to $1,000. The "tank only" fee is $150. Please make check payable to: Pitkin County Environmental Health & Natural Resources Department. A WAIVER IS AVAILABLE FOR SUBMITTING A BUILDING PERMIT APPLICATION PRIOR TO OBTAINING AN INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT. Please ask the Community Development Department or Environmental Health & Natural Resources Department for further information. G:\isds\isds applic\isds cklst 032306.doc ISDS DESIGN CALCULATIONS - for Pitkin Owner's Name DUis Parcel ID # :Uw House Size (sq. ft.) (75 gpd, 100 gpd, or 130 gpd) 100 Number of Bedrooms in Main House u. Number of Offices, Libraries, Studies, Similar -sized Rooms in Main Housex: Number of Bedrooms in Detached Caretaker unit R Number of Offices, Studies, Similar -sized Rooms in Caretaker Unita:.,,., , +b (If the caretaker unit is ATTACHED, treat as if part of main house.) Average Daily Waste Flow 800 State Review Required? no Perc Rate 34 (T) Design Flow (Q) = # potential bedrooms X 2 people/bedroom X gpd X 1.75 Q= 1400 Minimum tank capacity 1750 gallons Absorption Area (=Q/5 X SQRT perc rate) A = 1,633 sq. ft. of absorption area required 105 gravelless chamber units without reduction # of Perc Holes Required: 3 QUICK 4 9_8 A = 816.33327 sq.ft. with 50% reductionTRENCHES 83 gravelless chamber units with reduction STANDARD A= 816.33327 sq.ft. with 50% reductionTRENCHES 53 gravelless chamber units with reduction EQ 36 51 EQ36 units in TRENCHES QUICK4-EQ36 816 106 SETBACK FROM WELL # of feet = 132 SETBACK FROM POND, STREAM OR IRRIGATION DITCH # of feet = 82 SETBACK FROM DRY GULCH # of feet = 57 QUICK 4 9.2 1142.8666 sq ft 30% reduction BED 124 chamber units with reduc. 1142.8666 sq ft 30% reduction BED 74 chamber units with reduc. 91 EQ36 units in a BED 1143 179 Page 1 of 1 Nancy Mackenzie From: Nancy Mackenzie Sent: Tuesday, July 31, 2007 3:18 PM To: 'Ed Church'; 'bedwards@cowc.info' Subject: Ted Davis 98 Snow Fox Lane Ed, I did a final inspection on July 23rd with Ed Walters and the owner. This is the site were our department was never called for an inspection and had been covered. From the pictures and from what I could see if appeared to be a very good installation. I just need the as -built from you. Nancy MacKenzie 970-920-5076 Pitkin County Environmental Health & Natural Resources Department Environmental Health Specialist 7/31/2007 0 r. i 1 5: R � �(�ya 'R � ys� � ■■i 1 4 ;� a r • L � r or f r € AWLO a r J y. .. .. j6 1 + .er�y r • t' aYr a R • ' ' a i+l+ iM''�• � w � ♦1 l .• r Awe, • � .-.• ,as ' y m r m J �nn.�"""" v._v WILO glow."" L -P f/% q'""M. ""*. m t + } + } hI r I Lf. I/i } '., ., +/fj{q'I.Li 1� ` I✓�'1 ;d''�1' e�,,i( x'�� "cY��" ,�'M����r,t,�f�• �j .Y. }(���r{�]rl ,fir {{� '1�t ! l��a �1 �"' '7�►#w .�r aJ ,�. " , _1 �' • r �,w" !,�,yjj,��.•:. fir`+, �4, •�• Imo; .����'� �� n• � y jy K.Y I •'` Jor wr��.;rl� i i y "'' .a a ' .1' ,tib, •. r, , tR' r + '� s ♦ �� py el tf ��.+�+,+ ti{i { t!? '' ,L.S'�yy��•+ • :'' R �I�. 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From: bedwards@cowc.info [ma ilto:bedwards@cowc.info] Sent: Wed 6/27/2007 6:14 PM To: Brian Edwards Subject: Davis Get Kodak prints of this picture, and all your other favorites, at www.kodakgallery com! 7/23/2007 Kodak HTML Email 7/23/2007 Page 2 of 4 Kodak HTML Email How to save a picture Simply right -click on it, then "Save Image As...". (Mac users: drag the picture to your desktop.) Page 3 of 4 Free Software! Get 20 Free Organize, print, and share your Prints digital photos using FREE Kodak Get started for 7/23/2007 Kodak HTML Email EasyShare software. Download the_ software Kodak EasyShare tviYe 7/23/2007 Page 4 of 4 free_ at kodakgallery.com and we'll give you 20 free prints (new members � only). Plus, create photo mugs, books, cards, and more! Page 1 of 1 Nancy Mackenzie From: Ed Church [echurch@cowc.info] Sent: Thursday, July 12, 2007 8:54 AM To: Nancy Mackenzie Subject: RE: Patrick Henry 7852 Snowmass Creek Rd your job # 16109 The November 27, 2006 was a mistake, it should be June 14, 2007. 1 will resend with a letter of November 16, 2006 about the field location adjustment. Brian Edwards is coming down today, I will check on Ted Davis. ED CHURCH, P.E. CHURCH Onsite Wastewater Consultants 720-898-3434 echurch@cowc. info From: Nancy Mackenzie [mailto:nancym@co.pitkin.co.us] Sent: Wednesday, July 11, 2007 4:22 PM To: Ed Church Subject: Patrick Henry 7852 Snowmass Creek Rd your job # 16109 Ed, 0 I received your `as -built' letter but I'm confused. It refers to a design dated No 27, 2006. Our permit is for a design dated June 14, 2004. Nancy MacKenzie 970-920-5076 Pitkin County Environmental Health & Natural Resources Department Environmental Health Specialist 7/12/2007 CHURCH OWC, LLC Onsite Wastewater Consultants June 29, 2007 Ted and Cindi Davis P.O. BOX 1010 Aspen, Colorado 81611 Subject: Installation Observations - Davis Residence 98 Snow Fox Lane Pitkin County, Colorado Job No. 244 Pitkin County Permit No. 06058 Mr. Davis, � %"L r FD JUL 0 9 2001 PITION COUNTY ENVIRONMENTAL HEALTH & NATURAL RESOURCES This letter presents a summary of the installation observations of the Onsite Wastewater System (OWS) at the subject site. The Installation Observations were performed from May through June 2007. The installation was based on the design of June 27, 2006 and July 14, 2006,under Job No. C244. The OWS is a sand filter because of shallow bedrock. The existing drainfield installed in 1983 was removed. The OWS includes the existing 1000 -gallon septic tank, a new 1000 -gallon tank with a Biotube pump vault in the second chamber, a pump line to an automatic distributing valve (ADV) and hence to three 600 square foot sections of drainfield. An As -Built is attached. On May 30 and June 12, 2007 the site was visited to observe the excavation of the prior field and observe the bottom of the excavation to confirm there were fractures in the bottom of the excavation. A gradation of concrete sand was submitted by Walters Company, Inc. The proposed concrete sand was suitable as sand filter material. It was requested that the two northern sections of the field be constructed as 12X50 feet rather than 15X40 feet. The area is equivalent and the revised configuration suitably fits the topography. June 21, 2007 there were discussions with the installer regarding the pump installation, wiring and field construction. June 26 and 27, 2007 there was a conversation with Ted Davis with respect to the wiring and alarms. Met onsite observed the pumps performing properly. The components of the OWS appeared to be installed in general conformance with our plans and specifications. Our installation observations do not imply a guarantee or warranty of materials or workmanship. A suggestion is to construct a cover or roof over the control panel. The cover would protect the panel during the winter. 9590 West 14th Avenue Ste. 100, Lakewood, CO 80215 Voice 720-898-3434 FAX: 720-898-3455 If there are questions or if we can be of further service, please call. Sincerely, CHURCH Edward 0. EOC 3 copies sent LLC Installation Observation, OWS Job No. C244, Page 2 /Copy to: Pitkin County Environmental Health Department Copy to: Walters Company, Inc. 1175 County Road 154, Glenwood Springs, CO 81601 2+ ACRES 98 SNOW FOX LANE LOT 2 BLOCK 5 FILING I BRUSH CREEK PITKIN COUNTY, COLORADO ADD 1000 -GALLON, TWO-COMPARTMENT, CONCRETE SEPTIC TANK WITH A BIOTUBE(R) PUMP VAULT IN THE SECOND COMPARTMENT, 4" SEWER LINE WITH CLEANOUT 340. OSI(TM) MODEL 4403 AUTOMATIC DISTRIBUTING VALVE 12X50 I r 12X50 15X40 0 SCALE 1"=20' v20' .. �1_2k'IN SCHEDULE 40 PVC i l / 00 I PROPOSED 4 -BEDROOM AL R PANEL OUNTE 0 REMODEL OS 3 " FROM G D LEVE cV E IST G 00-G LO EPTI TA BSERVATION/VENT ? w, s. PIPES (TYP.) 11 / ' 800 SF OF INFILTRATIVE ARE IN THREE SECTIONS OF A 'STANDARD' PIPE AND � \ shaded area is / GRAVEL DRAIN FIELD. EACH SECTION IS proposed addition 15 -FEET BY 40 -FEET. 3/16 INCH HOLE ON 2.5 FOOT CENTERS 671-4" j t , CHURCH OWC, LLC Onsite Wastewater Consultants AS BUILT DRAWING 6/29/07 Onsite Wastewater Engineering - Geological Engineering P.O. Box 527 Wheat Ridge, Colorado 80034-0527 LOCATION OF PROPOSED OWS Voice: (720) 898-3434 Fax: (720) as8 M5 JOB NO. C244 FIGURE NO. 2 Page 1 of 1 Nancy Mackenzie From: Vicki Monge Sent: Friday, March 16, 2007 9:49 AM To: Nancy Mackenzie Subject: RE: 0098 Snow Fox Lane, Davis Okay, I talked with the owner today and the new leech field will be done hopefully in early April. He knows to be in touch with you once it's done. From: Nancy Mackenzie Sent: Thursday, March 15, 2007 4:39 PM To: Vicki Monge Subject: RE: 0098 Snow Fox Lane, Davis Not a word. From: Vicki Monge Sent: Thursday, March 15, 2007 4:29 PM To: Nancy Mackenzie Subject: RE: 0098 Snow Fox Lane, Davis Nancy, I called the contractor on this and asked him to contact you. Has that happened? Any update on your status? Thanks. Vicki From: Nancy Mackenzie Sent: Thursday, February 22, 2007 2:21 PM To: Vicki Monge Cc: Carla Ostberg Subject: RE: 0098 Snow Fox Lane, Davis Not okay -- since we have had no contact on this since we issued the septic permit last July25, 2006. From: Vicki Monge Sent: Thursday, February 22, 2007 1:56 PM To: Catherine Berg; Carla Ostberg; Nancy Mackenzie Subject: 0098 Snow Fox Lane, Davis All, Are you okay with issuance of the CO for a 997 sq. ft. addition to the existing residence at this site? Parcel ID 2643 282 04 002 Building permit #0109.2006.prbk Carla & Nancy, Eden indicates that a septic permit was issued on 7/25/06. Thanks. Vicki 3/19/2007 Page 1 of 1 Nancy Mackenzie From: Vicki Monge Sent: Thursday, February 22, 2007 3:36 PM To: Nancy Mackenzie Subject: RE: 0098 Snow Fox Lane, Davis Nancy, I left a message with the contractor that they need to be in touch with EH/NR. Thanks. Vicki From: Nancy Mackenzie Sent: Thursday, February 22, 2007 2:21 PM To: Vicki Monge Cc: Carla Ostberg Subject: RE: 0098 Snow Fox Lane, Davis Not okay -- since we have had no contact on this since we issued the septic permit last July25, 2006. From: Vicki Monge Sent: Thursday, February 22, 2007 1:56 PM To: Catherine Berg; Carla Ostberg; Nancy Mackenzie Subject: 0098 Snow Fox Lane, Davis All, Are you okay with issuance of the CO for a 997 sq. ft. addition to the existing residence at this site? Parcel ID 2643 282 04 002 Building permit #0109.2006.prbk Carla & Nancy, Eden indicates that a septic permit was issued on 7/25/06. Thanks. Vicki 2/26/2007 CHURCH OWC, LLC Onsite Wastewater Consultants July 25, 2006 Ted and Cindi Davis 98 Snow Fox Lane Aspen, Colorado 81611 Subject: OWS Design - additional information 98 Snow Fox Lane Brush Creek Pitkin County, Colorado Job No. C244 Mr. and Mrs. Davis, I ECEIVI� JUL 3 1 2006 PITKIN COUNT Y ENVIRUNN!ENTAL HEALTH & NATURAL RESOURCES CHURCH Onsite Wastewater Consultants (COWC) is submitting additional information as request by you from Pitkin County Environmental Health. The base design was on June 27, 2006 under Job No. 244. This letter provides a 1" =20' Figure 2 and discussion of the existing septic tank. As indicated above Location of Proposed OWS, Figure 2 is attached as in an 11X17 inch format. The existing septic tank was observed during our site visit and no apparent problems were observed. The tank was installed in 1982 and no problems are anticipated. At the time of construction the tank will be further exposed and evaluated. There is an existing well, which will have to be abandoned with the upgrade of the OWS. Prior to the Pitkin County Environmental Health being able to finalize the OWS permit, the well must be abandoned. Our investigation, layout, design, and recommendations are based on data submitted. If conditions different from those described in this report are encountered, COWC should be called to observe the conditions. If proposed construction is changed, we should be notified to evaluate the effect of the changes on the wastewater system. All construction is to be in accordance with the Individual Sewage Disposal System (ISDS) regulations. Pipe type and size, burial requirements, and other specifications, which are not depicted in our report, are to conform to the requirements of the !SDS regulations. If you have questions, or if COWC can be of further assistance, please contact us. Sincerely, �Ppp RtiG��, CHURCH OWC, LL 0�►Q. O' C�SGA�`s' 1317 Edward O. Church, , copies sentAL`�`'-` y opy to Pitkin County Envir ntal Health P.O. BOX 527, Wheat Ridge, CO 80034-0527 Voice: 720-898-3434 FAX: 720-898-3455 2+ ACRES 98 SNOW FOX LANE LOT 2 BLOCK 5 FILING I BRUSH CREEK PITKIN COUNTY, COLORADO 4" SEWER LINE WITH CLEANOUT ADD 1000 -GALLON, TWO-COMPARTMENT, CONCRETE SEPTIC TANK WITH A BIOTUBE(R) PUMP VAULT IN THE SECOND COMPARTMENT 4" PVC PROPOSED 4 -BEDROOM REMODEL shaded area is proposed addition SCALE 1"=20' OSI(TM) MODEL 4403 AUTOMATIC DISTRIBUTING VALVE IN SCHEDULE 40 PVC 1.1 `—OBSERVATION/VENT PIPES (TYP.) 1800 SF OF INFILTRATIVE ARE IN THREE SECTIONS OF A 'STANDARD' PIPE AND ERS GRAVEL DRAIN FIELD. EACH SECTION IS 15 -FEET BY 40 -FEET. 3/16 INCH HOLE ON 2.5 EXISTING 1000-GALLONSEPTICTANK CHURCH a serosltaOnl WawatteConsultants LOCATION OF PROPOSED OWS Onsite Wastewater Engineering - Geological Engineering P.O. Box 527 Wheat Ridge, Colorado 80034-0527 Voice: (720) 898-3434 Fax: (720) 898-3455 JOB NO. C244 FIGURE NO. 2 CHURCH OWC, LLC Onsite Wastewater Consultants July 14, 2006 Ted and Cindi Davis 98 Snow Fox Lane Aspen, Colorado 81611 Subject: OWS Design - additional information 98 Snow Fox Lane Brush Creek Pitkin County, Colorado Job No. C244 Mr. and Mrs. Davis, P17tiH Jud r 7 Zoos 7hd A% I NA lit WS CHURCH Onsite Wastewater Consultants (COWC) is submitting additional information as request by you from Pitkin County Environmental Health. The base design was on June 27, 2006 under Job No. 244. This letter provides a 1" =20' Figure 2 and discussion of the existing septic tank. As indicated above Location of Proposed OWS, Figure 2 is attached as in an11X17 inch format. The existing septic tank was observed during our site visit and no apparent problems were observed. The tank was installed in 1982 and no problems are anticipated. At the time of construction the tank will be further exposed and evaluated. Our investigation, layout, design, and recommendations are based on data submitted. If conditions considerably different from those described in this report are encountered, we should be called to observe the conditions. If proposed construction is changed, we should be notified to evaluate the effect of the changes on the wastewater system. All construction is to be in accordance with the Individual Sewage Disposal System (ISDS) regulations. Pipe type and size, burial requirements, and other specifications, which are not depicted in our report, are to conform to the requirements of the ISDS regulations. The installer of the system d is to have demonstrated knowledge of the ISDS regu- lations and requirements. If you have questions or if COWC can be of further assistance, please contact us. Sincerely, CHURCH OWC, LLC O. Edward O. Church, P copies sent 'bh1Al.�G opy to Pitkin County Environmental Health P.O. BOX 527, Wheat Ridge, CO 80034-0527 Voice: 720-898-3434 FAX: 720-898-3455 2+ ACRES 98 SNOW .FOX LANE LOT 2 BLOCK 5 FILING I BRUSH CREEK PITKIN COUNTY, COLORADO ADD 1000 -GALLON, TWO-COMPARTMENT, CONCRETE SEPTIC TANK WITH A BIOTUBE(R) PUMP VAULT IN THE SECOND COMPARTMENT 4" SEWER LINE WITH CLEANOUT V 20' PROPOSED 00 4 -BEDROOM REMODEL N 1 shaded area is proposed addition 6,_4 Onsite Wastewater Engineering - Geological Engineering P.O. Box 527 Wheat Ridge, Colorado 80034-0527 Voice: (720) 898-3434 Fax: (720) 898-3455 OSI(TM) MODEL 4403 AUTOMATIC DISTRIBUTING VALVE O IN SCHEDULE 40 PVC SCALE 1"=20' `—OBSERVATION/VENT PIPES (TYP.) W/EXISTING 800 SF OF INFILTRATIVE ARE IN THREE ECTIONS OF A 'STANDARD' PIPE AND RAVEL DRAIN FIELD. EACH SECTION IS 5 -FEET BY 40 -FEET. 3/16 INCH HOLE ON .5 FOOT CENTERS V? 1000 -GALLON SEPTIC TANK LOCATION OF PROPOSED OWS JOB NO. C244 FIGURE NO. 2 r� CHURCH OWC, LLC Onsite Wastewater Consultants June 27, 2006 Ted and Cindi Davis 98 Snow Fox Lane Aspen, Colorado 81611 Subject: OWS Design - Upgrade 98 Snow Fox Lane Brush Creek Pitkin County, Colorado Job No. C244 Mr. and Mrs. Davis, rJ JUN 2 y 2006 PITKIN COUNTY ENV1R0M*h'TAi HATH 8 NATiiW RESMCES As requested, CHURCH Onsite Wastewater Consultants (COWC) has prepared an onsite wastewater system (OWS) design for the subject site. The design was pr ared for Individual Sewage Disposal System (ISDS) permit submittal to Pitkin County Health Department (PCHD). SITE CONDITIONS The site is an approximate 2 -acre lot located as indicated on Figure 1. The site is in a rural area where an OWS is required. The site is served by public water, although there is a well along the entry driveway to the northwest. The area of the proposed drain field is at the location of the existing field. There is a relatively flat lawn and playground in the proposed and existing field area. The slope is steep away from the proposed field area. The ISDS was installed under Permit No. 82044 in 1983 for a 2 -bedroom home. The existing ISDS includes a 1000 -gallon, 2 -compartment septic tank and a 2500 square foot (SF) lined Evapo- transpiration (ET) field. Three hand dug pits were excavated into the ET field and not ponding effluent was observed. The line was observed and found to be a 10 mil liner, which appeared to be cracked and broken. PROPOSED CONSTRUCTION A three-bedroom, single-family residence exists (although the 1982 ISDS Permit indicates 2 bed- rooms), which is to be upgraded to a four bedroom residence. The residence will have less than 6000 SF as proposed. In accordance with the ISDS regulations, the sewage load for a four-bedroom residence with between 2000 and 6000 SF is 800 gallons per day (GPD). The peak sewage loading is 1,400 GPD using a 1.75 peaking factor. A setback of 132 feet is required between the well and field. It is proposed to construction the upgraded ISDS after completion of most of the addition because of limited construction access at the site. The status of the well may become an issue. It is understood that the well is for irrigation only. The well met the requirements of the 1982 permit, but will not meet current setback requirements. SUBSURFACE CONDITIONS Subsurface conditions were investigated by hand digging percolation holes to the east and down slope of the existing field. The percolation holes were excavated into weathered fracture shale, typical P.O. BOX 527, Wheat Ridge, CO 80034-0527 Voice: 720-£98-3434 FAX: 720-898-3455 OWS Design, Job No. C24 Page of the Brush Creek area. The results of the percolation tests indicate percolation rates of 27 to 41 minutes per inch (MPI). RECOMMENDATIONS The OWS should be installed as indicated on Figures 1 through 4. The OWS includes an additional septic tank/dosing tank and pressurized sand filter. The sequence of construction is important. It is proposed that the addition be constructed while the existing ISDS is used and then the upgrade ISDS be installed. This will allow construction access over the old field and protection of the new ISDS from construction traffic. If surfacing occurs atthe old field during construction, the septic tankwill have to per pumped to restrict surfacing. A 1000 -gallon, two-compartment precast concrete septic tank with an effluent pumping system must be added. A manufacturer diagram of the proposed septic tank is presented on Figure 4. It is recommended the removal of the existing field and any excavation be done with track equipment. Vehicular movement over the field area should be kept at a minimum to avoid compaction of the receiving soils. Dump trucks and rubber -tire backhoes are to be kept off of the proposed field area. COWC personnel must observe the bottom of the excavation to confirm suitable fractured and jointed shale is exposed. Soft or plastic clay soil must be removed. Typical drain field details are presented on Figure 3. The chambers are to be installed a maximum of 12 inches deep and will have to have a minimum of 6 inches of cover. The existing drain field is to be removed. Sand and topsoil for the field can be stockpiled for use as cover at the proposed field. It is proposed to remove two feet of the existing field, then place 4 feet of sansL it r material, distribution gravel and soil cover. The end result will be the group surface will be 3 feet higher than the existing ground surface. If not all three feet of elevation is desired, additional—excavation to a lower elevation is possible, but must be coordinated with COWC, the contractor and architect. The new field will consist of three segments of pressurized sand mound. Each segment of the field is 15 feet wide for a total width of 45 feet. Details of the field are indicated on Figure 2 and 3. The surface of the field should be seeded after installation of the system. A seed mix, such as ""Pas- ture or Prairie" should be used. These mixes do not require irrigation and develop a growth 10 to 15 inches high. No automatic sprinkler system should be installed over the field. Vehicular traffic and small livestock pastures should be kept off the drain field. EFFLUENT PUMPING SYSTEM The installation of an OSI Biotube® Pump System is recommended. Ed Church is a non -participating shareholder of SCG Enterprises, Inc., which is a local distributor for Orenco Systems, Inc. The OWS contractor can propose alternative products. The proposed pumping system and substitutions must meet the following minimum specifications: Pumps - The pump selected for the pump vault should have a minimum capacity of 30 gallons per minute, a minimum Total Dynamic Head of 19 feet. A minimum power rating of 1/2 -Horsepower (230 -volt) is recommended for the pumps. The pumps shall be UL and CSA listed as an effluent pump. OSI model P30 High Head pump (230 -volt) is recommended. OWS Design, Job No. C244 Page 3 Access Risers— Access risers that extend to final grade must be provided. The risers are to be watertight and attached to the septic tanks such that a watertight seal is provided. Risers should be rated for the appropriate load requirements. DischargeAssemb/y— The pump discharge assembly (OSI cold weather version) shall have a disconnect union accessible from the ground surface to allow for easy pump replacement. The discharge assembly shall be plumbed with a weep hole (and air relief valve at the high point near the ADV) to allow drainage between cycles to minimize freezing potential. Float5witchAssemblies— The on/off and high water alarm float switches are to be accessible for adjustment without removing the pumps or vault. Pump float switches should be set to discharge approximately 100 to 150 gallons per dose to the drain field. Electrical Sp/ice Box— The splice box shall be UL approved for wet locations. All wire splices are to be completed with UL listed waterproof splice connectors. Controls and Alarms— Controls and alarms shall be listed per UL 508. Controls are to include a toggle switch for manual operation of the pumps; separate dedicated circuits for the pump and the high water alarm; an audible and visual alarm; and an elapsed time meter. Panel is to be NEMA 4X rated. Location — The pump control panel is to be mounted within sight of the pump system. The panel is to be located such that the alarm can be readily seen and heard (remote alarms to a location within the building can be provided). The panels are to be mounted at convenient heights to allow access and maintenance. INSTALLATION OBSERVATIONS The installation of the OWS is to be observed by the design engineer. These observations include drain field construction observations. Other observations are prior to backfill. At those times, the septic tank and pumping system are to be installed with risers on the tank, and inlet and outlet con- nections properly bedded. The drain field shall have distribution pipes in place. A final observation is required once the electrical connection has been made prior to placing the OWS into service. Our office should be called at 720-898-3434 at least 48 hours in advance to observe the installation. These observations, repeat observations, design revisions, staking of drain field or additional site visit requirements are not included with this design and will be at an additional unit rate fee. OPERATION AND PREVENTATIVE MAINTENANCE SCHEDULE The goal of an operation and maintenance schedule is to observe the operation and perform minor maintenance to the OWS to allow for proper, long term functioning of the system. We suggest an operation and maintenance schedule or contract with a private maintenance company exist. Septic tanks. The scum and sludge accumulation in the septic tanks should be monitored yearly. Once the scum or sludge thickness reaches 25% of the chamber depth, the entire chamber should be pumped. We anticipate a pumping frequency of 1 to 3 years at design flows. An alternative is a regular pumping frequency of every year. Filter and EftZuent Pumping System: Tl:e effluent filter at the septic tank discharge should be cleaned (hosed off) at the time of pumping or as needed. The effluent pumps should be checked semi-annually to ensure pumps are functioning properly. If the alarm sounds, the pumps and floats should be checked and/or serviced immediately. OWS Design, Job No. C244 Page 4 Drain Fie/d' The surface around the fields is to be observed monthly for signs of failure such as lush vegetation growth or effluent ponding. Liquid levels in each field section are to be observed through the observation pipes and levels recorded. Flow to each field is to be controlled through the distribution valves and should be diverted if effluent is observed ponding in any trench. General. • System users must realize an onsite wastewater system is different from public sewer service. There are daily considerations such as not putting plastic or other non - biodegradable material into the system. Water use should be monitored so toilets are not allowed to run when seals malfunction. Allowing fixtures to flow continuously to prevent water lines from freezing is not acceptable. Although the proposed system can accommodate variable flows, spreading water use over several hours and eliminating peak flows is recommended. To illustrate the point, a malfunctioning toilet can consume in excess of 1000 GPD. Excessive daily loading could flood and irreparably harm the OWS. We caution against installation of a water softener. The chemical and hydraulic loading from the backwash of a water softener may be detrimental to the OWS and a separate drywell should be constructed for the backwash waste, if a softener is installed. No landscaping or plastic can be used over the field, which will reduce performance of the field. The design of the OWS is based on the treatment of domestic sewage only. Swimming pool or spa water is not to be discharged into the OWS. The proposed system design is based on design flows in the report. Increased flows may hydraulically or organically overload each respective OWS, causing premature failure. LIMITATIONS Our investigation, layout, design, and recommendations are based on data submitted. If conditions considerably different from those described in this report are encountered, we should be called to observe the conditions. If proposed construction is changed, we should be notified to evaluate the effect of the changes on the wastewater system. All construction is to be in accordance with the Individual Sewage Disposal System (ISDS) regulations. Pipe type and size, burial requirements, and other specifications, which are not depicted in our report, are to conform to the requirements of the ISDS regulations. The installer of the system d is to have demonstrated knowledge of the ISDS regu- lations and requirements. If you have questions or if COWC can be of further assistance, please contact us. Sincerely, CHURCH OWC, LLC Edward 0. 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Y�.rrt Sv ;. r `rKSECTION #2 0' 2142" GRAVEL OBSERVATION/VENT PIPE END VIEW (NOT TO SCALE) OBSERVATION/VENT PIPE 1.25" PVC LATERALS WITH HOLES SILT BARRIER MATERIAL DRILLED ON 2 -FOOT CENTERS 21�" DISPERSAL GRAVEL FINISHED GRADE TO BE RE -VEGETATED I. � SAND FILTER MATERIAL SIEVE SIZE % PASSING 3/8 100 4 95/100 8 80/100 16 45/85 30 15/60 50 3/10 100 0/4 200 0/2 FILTER" MATERIAL .��.1.';et fi •ttp}R l�").� 1y t•�•.. .LM! a. �.,. 5' SECTION I OF 3 DESIGN CALCULATIONS 4 -BEDROOM RESIDENCE, <6000 SF LOAD = Q = 800 GPD AVERAGE PERCOLATION RATE = T = 34 MPI AREA = 1.75 X 1400 X SORT T / 5 = 1633 SF PROPOSED AREA = 1800 SF ORIGINAL GRADE NATIVE MANCOS SHALE FIELD LENGTH = 40 FEET FIELD WIDTH = 45 FEET SECTION LENGTH = 40 FEET SECTION WIDTH = 15 FEET NUMBER OF SECTIONS = 3 CHURCH OWC, LLC Onsite Wastewater Consultants DRAIN FIELD Onsite Wastewater Engineering - Geological Engineering CROSS-SECTION P.O. Box 527 Wheat Ridge, Colorado 800340527 JOB NO. C24.4 Voice: (720) 898-3434 Fax V20)M-3455 FIGURE NO. 3 V , =3 CL W .C� C co cz O tz 0 M W 'z V' p U b U QW � o m CD C� V N c Z O 2 WI g U >se c = U t a v 6 W W G a W n a x r- v QO N CA I �J LO M to V' p U b U o O G n g U >se c = U t a v 6 W W G sQ ti (W� a: O C_ I �J LO M to LJ i *I- x I I c x x b e c c r N p N t7 p H Y r p N N C O d N � IV: Ir. Z uj o ch (A m W CDE W O o% p o a j o �1pR S QC ® LL V 0 } Z Z O � A m C .Q • V = LL � 'a � a 3 O C m V=] � r W tQ d W V Z W G ra W w co t4 Q W at n IL Z m 0 O g 6 6 15 w N 1 `N" PSH o!umu-Ita moi. *I- x I I c x x b e c c r N p N t7 p H Y r p N N C O d N � IV: Ir. Z o V ch dl -as E O o% p o a j o �1pR S QC ® LL 8. a .� LL O � a' iL a o 0 Q a M F- d C m CL c 30 o~ F E 3 Z v- J H "aZ_ • g _:� : O LLx V L) I 'FAN M VAN = I m LL IWO g 6 6 15 w N 1 `N" PSH o!umu-Ita moi. a a 0 O 0 0 *I- x I I c x x b e c c r N p N t7 p H Y r p N N C O d N � IV: Ir. Z o V ch dl -as E O o% p o a j o �1pR S QC ® LL 8. a .� LL O � a' iL a o 0 Q a M F- d C m CL c a a 0 O 0 0 *I- x I I xv I I v I E �� !� t`. m m 0 r" O O O b b t0 r O O r�� O O O O O O t0 t0 O iL 22 G`Y-3 O a M C U- m 30 o~ F E 3 Z v- J H "aZ_ • g _:� : O LLx V L) I 140 +o TCHD S-100 1-uL P. 1 COMOICATION RESULT REPORT ( JUL. 25. 20 3:11PM ) FAX HEADER: ENVIRO HEALTH NAT RESOURCE TRANSMITTED/STORED : JUL.25.2006 3:07PM RESULT PAGE FILE MODE OPTION ADDRESS ------------------------------------------------------------------------- ------------ -------- 429 MEMORY TX CHURCH OWC OK 2/2 9233498 OK 2/2 ------------------------------------------------------------ REASON FOR ERROR E-Z)BUSY E 1)N N SWFOR LINE FAIL E-4) NO FACSIMILE CONNECTION E 3) NOA 4D 40 :9jL' ., 4.1 • a6w� PITKIN COUNTY ENVIRONMENTAL HEALTH & NATURAL RESOURCES DATE: 7/25/2006 Send to: Ted Davis From: Alicia Gomez Fax Number: 923-3498 Phone Number: 920-5087 CC: Church OWC, LLC Number of Pages, Including Cover: 2 CC Fax Number: Q URGENT O REPLY ASAP a PLEASE COMMENT O PLEASE REVIEW '191 FOR YOUR INFORMATION COMMENTS: A septic permit (# 06058) has been issued for parcel 2643-282- 04-002, 98 Snow Fox Lane, owner Davis. Please feel free to call 920-5070 if you have any -questions. NOTE: Effective April 8, 2006 a licensed installer must install the ISDS system and EH/NR must be notified prior to installation who that person/company is to check for Installer's compliance with our new regulations. fax cover Pitkin County Environmental Health and Natural Resources 0405 Castle Creek Road Suite x`10, Aspen, CO 81611 Phone (970) 920.5070 1 Fax (970) 920.S077 Web site www.aspenpitkin.com/ehnr � . Page 1 of 1 Alicia Gomez From: Michael Kraemer Sent: Tuesday, July 18, 2006 2:54 PM To: Alicia Gomez Subject: Ted Davis Alicia, Thanks for the call back. If he is not proposing to expand the footprint of the septic field and only replace/upgrade what he had, I have no problem with it. Mike Mike Kraemer Planner Community Development Department Pitkin County 130 S. Galena Street Aspen, CO 81611 970.920.5526(phone) 970.920.5439(fax) michaelk(a co Pitkin co.us 7/19/2006 08/29/1995 19:19 9709233498 STUDIO C PAGE 02 Hi Carla, The attached report is the well abandonment report sent to the state engineer on June 4 after the work was completed. I am presently looking at our septic field inspection on the 23rd at 3:30pm. It is my understanding that Ed Walters (septic contractor) and will be present for the inspections and I believe a representa- tive from Ed Church's office as well. I will. check on that. Ed Walters will be bringing photos of the construction of the field that he took at the given stages as requested by Ed Church. Thanks... Ted Davis 19:19 NON 9709233498 STUDIO C PAGE 01 Form No. i STATE OF COLORADO, OFFICE OF THE STATE ENGINEER GWS -09 821 Centennial Bldg., 1313 Sherman St., Denver, CO 80203 612006 (303) 866-3581 Fax (303) 866-3589 http://www.water.state.co. us WELL ABANDONMENT REPORT Use to report plugging and sealing of permitted wells, monitoring and other holes. Type or print in black or blue Ink. Instructions and plugging standards are on reverse side of form. Well Permit Number of the well being plugged --Lf � or MH File Number MH------------ Holo ID #/Name ________________ < d' NAMES) — 7 1� �I K w -- --.— -.� Melling Address City, st., Zip G Phone A111-5 caner: r NAME(S) 4416 Meiling Address, City, St., ZIP 8MAL WELL LOCAIION: County -- Property Address, City. St, Zip-,_ T-ff--1, For Office Use Only Phone (-!/G/) - 27-Zdf---A JOS r or the 1/4, Sec. , Twp, [D N. oro S., Range [] E. or[j W., _v_ P.M. lG f/'O/ Distance from Section Lines / Ft. From [] N_ or ❑ S., ,._ Ft. From 0 E. or ❑ W. Line, �` Subdivision Name -.r rG��/L �"rC �_ Lot _, Block Filing/Unit __�_J/1���� 4 �< Optional: GPS well location information in UTM format. You must check CPS unit for required settings ps follows: Format must be UTM, zone 12 El or zone 13 0; Units must be meters; Datum must be NAD83; Unit must be set to true north. EasUng Northing I (we) report the existing well (hole) was plunged and sealed on the date of _-- 5_Lr -- _ for the following reason(s): L] The well was plugged and sealed as required under Well Permll Number The well was not in use and was plugd and sled. Other (please explain) «� � T The well was plugged with the following materials placed at the Indicated Intervals: Amount and Type of Material Method of Placement Interval fro_ feel to feet rf om _ ---- feet to-------- feet �,)Ne of e% OV r-oe / L_" _LY _� _L _ �w� ' from feet to feet Intervals of casing removed/rip ed In feet • �G �r� ?/ from --___ feet to _______r_ feet _ _ g p _ _ Report muM be signed by person who performed the well plugging work or by the well owner If this person Is unknown or not reachable. I (we) have read the statements made herein, know the contents thereof, and that they are true to my (our) knowledge. Signature(s) Please print the Signer's Name & Title Date -� It is the responsibility of the well owner I:o have the well/hole properly plugged and sealed. The Well Construction Contractor is responsible for notlfying the owner of this requirement. ::\Documents and Settings\AII Users\Documents\draw\Davis\7-01-06.dwg, A2, 6/19/2006 10:51:23 AM, IP Desigrdet 130 13 DECEIVED JUL 0 7 20% PITKIN COUNTY ENVIRONMENTAL HEALTH & NATURAL RESOURCES 1 ! =1 14 I� ls' 141 A New Addition For The W- • M0 4•i' MAIN FLOOR