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HomeMy WebLinkAbout207 Squires Ln - 210935201001Environmental Health Department P.O. Box 179 500 Broadway Eagle, CO 81631-0179 Phone: (970) 328-8730 Fax: (970) 328-7185 Permit Permit No. OWTS-021152-2021 Permit Type: OWTS Permit Work Classification: New Permit Status: Active Issue Date: 4/26/2021 Expires: 8/24/2021 On-Site Wastewater Treatement System Project Address Parcel Number 207 SQUIRES LN, EAGLE AREA,210935201001 Owner Information Address Scott Blackett Phone: Cell: Email: Inspections: For Inspections Call: (970) 328-8755 and call the Design Engineer Engineer Phone Email JVA Inc, Simon Farrell (303) 444-1951 sfarrell@jvajva.com Contractor License Number Phone Email 2020 Excavating LLC cam.gonzales2020@gmail .com (970) 376-0511OWTSPL-000137-20 21 Permitted Construction / Details: Install the OWTS exactly as depicted in the JVA, Inc. design stamped, signed and dated April, 23, 2021 by Simon A. Farrell, PE. The OWTS is designed with capacity to serve a 5 bedroom residence. The system consists of a Valley Precast 1,250 gallon, single compartment tank with effluent filter and high water alarm placed on the outlet tee, followed by a 2,000 gallon Valley Precast three-compartment recirculating/dose tank which will send wastewater to two, Orenco Advantex Series AX 20 pods for nitrification using an Orenco PF 5005 pump. Nitrified effluent flows to the splitter valve for recirculation to the 1,250 gallon first tank for denitrification then is dosed using an Orenco PF 7510 pump to square feet of soil treatment area via two beds each consisting of four rows of 18 Infiltrator Quick 4 Plus Standard chambers for a total of 144 Infiltrator chambers. Distribution lateral details, along with orifice size, spacing and orientation are on the design drawing. The contractor must verify that all electrical components and inspections are covered under the electrical permit associated with the Orenco Vericom control panel (Model VCOM-AX20B2) and pump connections. The alarm must be connected to a separate circuit. Additional pump details are on the design drawing. Advantex systems must conform to the CDPHE technology approval letter dated May 1, 2018, including configuration in mode 3 for treatment level 3N. Contact Eagle County Environmental Health and the design engineer well in advance of requesting inspections prior to backfilling any component of the OWTS. The design engineer is responsible for conducting all inspections necessary to certify the installation and assure functionality of the system. System certification, along with photos and a record drawing is required to be submitted to, and approved by, Eagle County Environmental Health prior to the use of the system or occupancy of the dwelling. THIS PERIMT EXPIRES BY TIME LIMITATION AND BECOMES NULL AND VOID IF THE WORK AUTHORIZED BY THE PERMIT IS NOT COMMENCED WITHIN 120 DAYS OF ISSUANCE, OR BEFORE THE EXPIRATION OF AN ASSOCIATED BUILDING PERMIT Issued by: Environmental Health Department, Eagle County, CO Claire Lewandowski Date April 26, 2021 CONDITIONS 1. 2.ALL INSTALLATIONS MUST COMPLY WITH ALL REQUIREMENTS OF THE EAGLE COUNTY PUBLIC HEALTH AGENCY ON-SITE WASTEWATER TREATMENT SYSTEM REGULATIONS ADOPTED PURSUANT TO AUTHORITY GRANTED IN CR.S. 25-10-101, et seq., AS AMENDED 3.THIS PERMIT IS VALID ONLY FOR PERFORMING WORK ON OWTS ASSOCIATED WITH STRUCTURES WHICH HAVE FULLY COMPLIED WITH COUNTY ZONING AND BUILDING REQUIREMENTS CONNECTION TO, OR USE WITH, ANY DWELLING OR STRUCTURE NOT APPROVED BY THE ZONING AND BUILDING DEPARTMENTS SHALL AUTOMATICALLY BE A VIOLATION OF A REQUIREMENT OF THE PERMIT AND WILL RESULT IN BOTH LEGAL ACTION AND REVOCATION OF THE PERMIT 4.1.6(A)(1) EAGLE COUNTY PUBLIC HEALTH AGENCY ON-SITE WASTEWATER TREATMENT SYSTEM REGULATIONS REQUIRES ANY PERSON WHO CONSTRUCTS, ALTERS OR INSTALLS AN ON-SITE WASTEWATER TREATMENT SYSTEM TO BE LICENSED Monday, April 26, 2021 1 6930 Southeast Lakeview Terrace Stuart, FL 34996 OWTSPL-000137-2021 INSPECTION WORKSHEET (INSP-516421-2022) FOR EAGLE COUNTY GOVERNMENT OWTS-021152-2021Case Number:Case Module:Permit Management 07/27/2022 ApprovedInspection Status:Inspection Date: OWTS Final InspectionInspection Type:Inspector: Job Address:Parcel Number:207 Squires Ln Eagle Area, CO 210935201001 Company Name NameContact Type Applicant Alicia Davis Contractor 2020 Excavating LLC Camerino Gonzales Engineer JVA Inc Simon Farrell Manager Scott S Turnipseed Tim Myers Scott S Turnipseed Erica Mosness Owner Scott Blackett CommentsPassedChecklist Item True A Valley Precast 1,250 gallon, single compartment tank with effluent filter and high water alarm placed on the outlet tee, followed by a 2,000 gallon Valley Precast three-compartment recirculating/dose tank which will send wastewater to two, Orenco Advantex Series AX 20 pods for nitrification using an Orenco PF 5005 pump was used. Septic Tank - Septic Tank True Received 7/27/2022 from JVA.Record Drawing - Record Drawing True Received 7/27/2022 from JVA.Record Photos - Record Photos True Received 4/26/2021 from JVA.Site and Soil - Site & Soil True O&M contracted through Frost Creek. Advantex system.Higher Level Treatment System - Higher Level Treatment System (when applicable) True Received 7/27/2022 from JVA.Final Certification Letter - Final Certification Letter True Received 4/26/2021 from JVA.General Plan - General Plan True The soil treatment area consists of two beds each consisting of four rows of 18 Infiltrator Quick 4 Plus Standard chambers for a total of 144 Infiltrator chambers. Soil Treatment Area (STA) - Soil Treatment Area (STA) True 2020 Excavating was the licensed installer.Identification of Systems Contractor - Identification of Systems Contractor July 27, 2022 Page 1 of 1P.O. Box 179, 500 Broadway, Eagle, CO 81631-0179 July 26, 2022 Claire Lewandowski, Environmental Health Specialist III Eagle County Environmental Health 500 Broadway Street Eagle, CO 81631 RE: Onsite Wastewater Treatment System Final Certification – 207 Squires Lane, Frost Creek Lot 11 Dear Claire: The Onsite Wastewater Treatment System (OWTS) covered under Eagle County Permit No. OWTSPL-000137-2021 was installed by 2020 Excavating, LLC for 207 Squires Lane, and is ready for final certification from Eagle County Environmental Health. This letter certifies that the construction of the OWTS was completed as per the approved design plan. The final record drawings from JVA, three-year maintenance contract, and construction photographs are provided as attachments. As part of the final approval process JVA observed that start-up was completed by the manufacturer’s representative and completed a site visit to check all system components. The system is connected and can be monitored remotely as required in the PUD. Sincerely, JVA, INCORPORATED By: ________________________ Simon Farrell, P.E. Project Manager, Associate Enclosure: Attachment A – Record Drawings Attachment B – Maintenance Contract Attachment C – Construction Photographs CC: Chelsea Fagan, JVA ATTACHMENT A – RECORD DRAWINGS FROST CREEK LOT 11 ONSITE WASTEWATER TREATMENT SYSTEM EAGLE COUNTY, COLORADO RECORD DRAWINGS APRIL 2021 Set No._______ JVA, Inc.1319 Spruce Street www.jvajva.com Boulder, CO 80302 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 49466SIMON A . FAR RELLPROF E S SIONA L E N G INEERCOLOR A D O REGIS T E RED © JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 49466SIMON A . FAR R ELLPROF E S SIONA L E N G INEERCOLOR A D O REGIS T E REDCONFORMED TO CONSTRUCTION RECORD Lot 11 4.268 acres 0207 © JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 49466SIMON A . FAR R ELLPROF E S SIONA L E N G INEERCOLOR A D O REGIS T E REDCONFORMED TO CONSTRUCTION RECORD © JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 49466SIMON A . FAR R ELLPROF E S SIONA L E N G INEERCOLOR A D O REGIS T E REDCONFORMED TO CONSTRUCTION RECORD © JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 49466SIMON A . FAR R ELLPROF E S SIONA L E N G INEERCOLOR A D O REGIS T E REDCONFORMED TO CONSTRUCTION RECORD ATTACHMENT B – MAINTENANCE CONTRACT ATTACHMENT C – CONSTRUCTION PHOTOGRAPHS Lot 11 April 23, 2021 Ms. Claire Lewandowski, REHS Eagle County Environmental Health 590 Broadway Eagle, CO 81631 RE: Frost Creek - Onsite Wastewater Treatment System Design – Lot 11, Eagle County, CO Dear Claire: JVA Inc. (JVA) has prepared a design of an onsite wastewater treatment system (OWTS) to serve Lot 11 within the Frost Creek PUD. JVA is the designated engineer to process all OWTS permit applications within Frost Creek. JVA has prepared the OWTS design to be in general conformance with OWTS requirements of the PUD. The 2020 annual Water Quality Monitoring Report prepared by Wright Water Engineers documents exceedances of the 85th percentile background concentrations during sampling events in 2020. The report states the following ‘While the concentrations observed in 2020 were high for Total Phosphorus and Total Suspended Solids in surface water, upon evaluation of the pattern of concentrations of each water quality parameter for surface and groundwater at the Frost Creek PUD, there are no evident increasing trends in the concentration of the sampled parameters that were outside of the range of historical values. Therefore, all three components of the trigger limits have not yet been met, and mitigation action is not yet required.’ Sincerely, JVA, INCORPORATED By: _______________________ Simon Farrell, P.E. Project Manager, Associate Attachment A - OWTS design – Lot 11 Attachment B - Visual and Tactile Soil Evaluation Attachment C - Discharge Pump Calculations ATTACHMENT A – OWTS DESIGN – LOT 11 FROST CREEK LOT 11 ONSITE WASTEWATER TREATMENT SYSTEM EAGLE COUNTY, COLORADO PERMIT SET APRIL 2021 Set No._______ JVA, Inc.1319 Spruce Street www.jvajva.com Boulder, CO 80302 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 4/23/2021 DESIGN CRITERIA AND NOTESG0.1 REVISION DESCRIPTIOND'WNDES'DDATENO.DESIGNED BY: DRAWN BY: CHECKED BY: JOB #: DATE: © JVA, INC.FROST CREEKLOT 11 OWTSEAGLE, COLORADOSHEET NO. 1037.20e APRIL 2021 SAF PMH PMH JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 4/23/2021 Lot 11 4.268 acres 0207 CIVIL SITE PLANC1.0 REVISION DESCRIPTIOND'WNDES'DDATENO.DESIGNED BY: DRAWN BY: CHECKED BY: JOB #: DATE: © JVA, INC.FROST CREEKLOT 11 OWTSEAGLE, COLORADOSHEET NO. 1037.20e APRIL 2021 SAF PMH PMH JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 4/23/2021 TREATMENT SYSTEM AND SITE DETAILSCD1.0 REVISION DESCRIPTIOND'WNDES'DDATENO.DESIGNED BY: DRAWN BY: CHECKED BY: JOB #: DATE: © JVA, INC.FROST CREEKLOT 11 OWTSEAGLE, COLORADOSHEET NO. 1037.20e APRIL 2021 SAF PMH PMH JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 4/23/2021 SOIL TREATMENT AREA DETAILSCD1.1 REVISION DESCRIPTIOND'WNDES'DDATENO.DESIGNED BY: DRAWN BY: CHECKED BY: JOB #: DATE: © JVA, INC.FROST CREEKLOT 11 OWTSEAGLE, COLORADOSHEET NO. 1037.20e APRIL 2021 SAF PMH PMH JVA, Inc.1512 Larimer Street, Suite 710 www.jvajva.com Denver, CO 80202 303.444.1951 Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver 4/23/2021 ATTACHMENT B – VISUAL AND TACTILE SOIL EVALUATION December 15, 2020 Ms. Claire Lewandowski, REHS Eagle County Environmental Health 590 Broadway Eagle, CO 81631 RE: Frost Creek Lot 11 – Site and Soil Investigation for an Onsite Wastewater Treatment System (OWTS) JVA Job No. 1037.20e Dear Claire: Enclosed in this report are the results of the site and soil evaluation for Lot 11 proposed OWTS located in Frost Creek, Colorado. This report provides information needed to support the design of an OWTS including: results from the preliminary investigation, the site visit, and the soil evaluation. Design calculations are included in the drawing Permit Set attached. PRELIMINARY INVESTIGATION In preparation for the site visit and soil evaluation, a preliminary investigation was conducted the week of October 28th, 2020. Architectural site plans, aerial imagery, and previous Geotechnical investigations were used for the preliminary investigation. Geotechnical investigations were performed by HP Geotech in October 2002 across Frost Creek for OWTS suitability. Results from the HP Geotech report showed that for the proposed location, Test Hole A had a topsoil from zero to one foot deep, a silty sandy clay from one foot to seven feet deep, and dense sandy clay gravel below seven feet, while Test Hole B had a topsoil from zero to six inches deep, a silty sandy clay from six inches to three feet deep, and dense sandy clay gravel below three feet. No groundwater was encountered in either hole. SITE VISIT AND SOIL EVALUATION A site visit and soil evaluation were conducted the week of November 4th, 2020. The purpose of the site visit and soil evaluation was to confirm hypotheses from the preliminary investigation, identify the topography, landscape position, vegetation, and site constraints for the proposed OWTS, and to conduct a visual and tactile soil evaluation of the underlying soils where the proposed soil treatment area (STA) is to be located for both suitability and sizing. The topography of the site slopes from southwest to northeast. The dominant vegetation at the proposed OWTS consists of native grasses and sage brush. Site Constraints are shown in the Permit Documents. For the visual and tactile soil evaluation, two soil profile holes were excavated using a tracked excavator in the locations identified in the Permit Documents. As seen in Table 1 below, soil morphology for Soil Profile Hole One from zero to two feet was loam topsoil, from two feet to seven feet was a rocky clay loam, and from seven feet on was bedrock. Soil morphology for Soil Profile Hole Two was similar to Soil Profile Hole One with loam topsoil from zero to one foot, from one foot to seven and a half feet was a rocky clay loam, and from seven and a half feet Frost Creek Lot 11 Site and Soil Investigation 12/15/20 2 of 3 on was bedrock. No redoximorphic features, indicating seasonally high groundwater, were observed in either hole. Figures 1 through 4 below show the soil profile holes and corresponding morphology. Therefore, Soil Type R-1, Option 1, Type 3 was identified as the soil type. Table 1 – Visual and Tactile Soil Results Profile Hole Depth (ft.) Percent Rock Soil Texture Soil Structure Type Soil Structure Grade Soil Type 1 0 – 2 0% retained on 20 mm sieve 5% retained on 2 mm sieve Loam Blocky Weak 2 2 – 5 10% retained on 20 mm sieve 50% retained on 2 mm sieve Silty Clay Loam Blocky Moderate R-1, option 1; Type 3 5 – 7 30% retained on 20 mm sieve 60% retained on 2 mm sieve Clay Loam Blocky Moderate R-1, option 1; Type 3 7 Bedrock 2 0 – 1 0% retained on 20 mm sieve 5% retained on 2 mm sieve Loam Blocky Weak 2 1 – 3 10% retained on 20 mm sieve 50% retained on 2 mm sieve Silty Clay Loam Blocky Moderate R-1, option 1; Type 3 3 – 7.5 30% retained on 20 mm sieve 50% retained on 2 mm sieve Clay Loam Blocky Moderate R-1, option 1; Type 3 7.5 Bedrock Figure 1 – Profile Hole One Figure 2 – Profile Hole One Soil Morphology Frost Creek Lot 11 Site and Soil Investigation 12/15/20 3 of 3 Figure 3 – Profile Hole Two Figure 4 – Profile Hole Two Soil Morphology Sincerely, JVA, INCORPORATED By: __________________ Julie Gustavson Design Engineer ATTACHMENT C – DISCHARGE PUMP CALCULATIONS Pump Selection for a Pressurized System - Single Family Residence Project Frost Creek Lot 11 - Pump Select Parameters Discharge Assembly Size Transport Length Transport Pipe Class Transport Line Size Distributing Valve Model Max Elevation Lift Manifold Length Manifold Pipe Class Manifold Pipe Size Number of Laterals per Cell Lateral Length Lateral Pipe Class Lateral Pipe Size Orifice Size Orifice Spacing Residual Head Flow Meter 'Add-on' Friction Losses 2.00 25 40 2.00 None 4.33 9 40 1.50 8 65 40 1.50 1/8 3 5 None 0 inches feet inches feet feet inches feet inches inches feet feet inches feet Calculations Minimum Flow Rate per Orifice Number of Orifices per Zone Total Flow Rate per Zone Number of Laterals per Zone % Flow Differential 1st/Last Orifice Transport Velocity 0.43 176 76.4 8 1.4 7.3 gpm gpm % fps Frictional Head Losses Loss through Discharge Loss in Transport Loss through Valve Loss in Manifold Loss in Laterals Loss through Flowmeter 'Add-on' Friction Losses 11.7 2.2 0.0 0.7 0.2 0.0 0.0 feet feet feet feet feet feet feet Pipe Volumes Vol of Transport Line Vol of Manifold Vol of Laterals per Zone Total Volume 4.4 0.9 54.9 60.3 gals gals gals gals Minimum Pump Requirements Design Flow Rate Total Dynamic Head 76.4 24.1 gpm feet 0 20406080100 0 20 40 60 80 100 Net Discharge (gpm) PumpData PF7515 High Head Effluent Pump 75 GPM, 1HP 230V 1Ø 60Hz Legend System Curve: Pump Curve: Pump Optimal Range: Operating Point: Design Point: