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HomeMy WebLinkAboutSUB201300067 Approval - Agencies 2013-05-14 ff p toyed COMMONWEALTH of VIRGINIA In Cooperation with the Thomas Jefferson Health District ALBEMARLE-CHARLOTTESVILLE State Department of Health FLUVANNA COUNTY(PALMYRA) 1138 Rose Hill Drive GREENE COUNTY(STANARDSVILLE) LOUISA COUNTY(LOUISA) Phone(434)972-6219 P. O. Box 7546 NELSON COUNTY(LOVINGSTON) Fax (434) 972-4310 Charlottesville, Virginia 22906 November 25,2013 J.T.Newberry Department of Community Development Division of Zoning and Current Development 401 McIntire Road Charlottesville,Virginia 22902-4596 RE: Review of Proposed Subdivision Plat and attached Soils Information for Individual Onsite Sewage Systems as part of a division of Tax Map 109 Parcel IA located in Albemarle County,Virginia. Dear Mr.Newberry: On October 18,2013,the County of Albemarle requested the Virginia Department of Health(via the Albemarle County Health Department)review the proposed subdivision plat identified above.This letter is to inform you that the above referenced subdivision plat is approved for individual Onsite Sewage Systems in accordance with the provisions of the Code of Virginia,the Sewage Handling and Disposal Regulations, and local ordinances. This request for subdivision review was submitted pursuant to the provisions of§ 32.1-163.5 of the Code of Virginia which requires the Health Department to accept private soil evaluations and designs from an Authorized Onsite Soil Evaluator(AOSE)or a Professional Engineer working in consultation with an AOSE for residential development. This subdivision was certified as being in compliance with the Board of Health's Regulations by: Stephen P. Gooch; OSE#1940001284. This subdivision approval is issued in reliance upon that certification. Pursuant to §360 of the Regulations this approval is not an assurance that Sewage Disposal System Construction Permits will be issued for any lot in the subdivision identified above unless that lot is specifically identified on the above referenced plat as having an approved site for an onsite sewage disposal system,and unless all conditions and circumstances are present at the time of application for a permit as are present at the time of this approval. This subdivision may contain lots that to do not have approved sites for onsite sewage systems. This subdivision approval does pertain to the requirements of local ordinances. Sincerely, Travis T.Davis Environmental Health Specialist, Sr. Soils Study for Reserve Drain Field Sites Parcel X and Residue A Division of Tax Map 109 Parcel 1A Albemarle County Prepared for: Darrell Napier 5877 Broken Sun Road Covesville, Virginia 22931 Prepared by: Steve Gooch Consulting Geologist, Inc. 703 Oliver Creek Road Troy, Virginia 22974 October 16, 2013 SUB201300067 Page 1 of 10 OSE/PE Report for: Construction Permit I I Certification Letter n Subdivision Approval El Property Location: 911 Address: 5877 Broken Sun Road City: Covesville Lot X Section Subdivision GPIN or Tax Map# 109-1A Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Darrell Napier Street: 5877 Broken Sun Road City:Covesville state Virginia Zip Code 22931 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 1821 Broadway Street City State Virginia Zip Code 22902 PE Name: License# Address City State Zip Code Date of Report 10/16/13 Date of Revision#1 OSE/PE Job# Date of Revision#2 Contents/Index of this report(e.g.,Site Evaluation Summary,Soil Profile Descriptions,Site Sketch,Abbreviated Design,etc.) OSE Cover Page Abbreviated Design Forms Soil Profile Sheets Survey Plat Soil Information Summary Sheets Certification Statement y I hereby certify that the evaluations and/or designs contained herein we •`'.. to co ce the ': ag'• dli r;,.ri}. Disposal Regulations(12 VAC5-610),the Private Well Regulations(12 V '' 5-630 d all other applicable laws,regulations and policies implemented by the Virginia Department of Health. I further certify that I currently possess any professional license required by the laws and regulations of the Commonwealth that have been duly issued by the applicable agency charged with licensure to perform the work contained herein. The work attached to this cover page has been conducted under an exemption to the practice of engineering.specifically the exemption in Code of Virginia Section 54.1-402.11 I recommend that a(select one): construction permit❑ certification letter subdivision approval 5 be(select one)issued Q denied❑. / OSE/PE Signature 602��-cA Date ! 0//6 /173 pat. 2 6F-I `' Soil Profile Reserve Drain Field Parcel X A Division of Tax Map 109-1A Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group Area #1 1 0-3 A Weak red(10R 4/2) clay loam 3 3-40 Bt Red (10R 4/8) silty clay loam 3 40-84 C Yellowish red (5YR 5/8) sandy loam 2 2 0-8 A Brown(7.5YR 4/3) clay loam 3 8-63 Bt Reddish brown(2.5YR 5/4) silty clay loam 3 63-84 C Reddish yellow(7.5YR 6/8)clay loam 3 3 0-6 A Weak red (10R 4/2)clay loam 3 6-58 Bt Red(10R 4/8) silty clay loam 3 58-84 C Reddish yellow(7.5YR 6/8) clay loam, gray(10YR 5/1) 3 mottles below 68" Area#2 7 0-3 A Weak red (10R 4/2) clay loam 3 3-48 Bt Red(10R 4/8) silty clay loam 3 48-90 C Brownish yellow(10YR 6/8) sandy loam 2 8 0-6 A Weak red(10R 4/2) clay loam 3 6-35 Bt Red (10R 4/8) silty clay loam 3 35-90 C Dark yellowish brown(10YR 4/6) loam 2 Area #3 4 0-3 A Weak red(10R 4/2) clay loam 3 3-36 Bt Red(2.5YR 5/8) silty clay loam 3 36-50 Bt2 Reddish yellow(7.5YR 6/8) clay loam 3 50-84 C Yellowish brown(10YR 5/8) sandy loam, moist 2 5 0-4 A Weak red(10R 4/2) clay loam 3 4-31 Bt Red (2.5YR 5/8) silty clay loam 3 31-48 Cl Strong brown(7.5YR 5/8) sandy loam 2 48-84 C2 Dark yellowish brown(10YR 4/6) sandy loam, manganese 2 (redox) . P a l& 3 & 1° Soil Profile Reserve Drain Field Parcel X A Division of Tax Map 109-1A Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 6 0-6 A Brown(7.5YR 5/4) clay loam 3 6-30 Bt Red(10R 5/8) silty clay loam 3 30-40 BC Reddish brown(2.5YR 5/4) clay loam 3 40-55 Cl Dark yellowish brown(1 OYR 4/6) sandy loam 2 55-84 C2 Yellowish brown(10YR 5/6) sandy loam, moist below 60" 2 Page 4 of 0 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/14/13 Submitted to Albemarle County Health Department Applicant Darrell Napier Telephone Number (434) 531-7669 Address 5877 Broken Sun Road Covesville,Virginia 22931 Owner Same Address Same Location 5877 Broken Sun Road Covesville, Virginia Tax Map 109-1A Subdivision Block/Section Lot X SOIL INFORMATION SUMMARY - I:# 1. Position in landscape satisfactory? Ix Yes r No Describe toe slope 2. Slope 13 % 3. Depth to rock or impervious strata: Max. Min. None x 4. Depth to seasonal water table (gray mottling or gray color) I— No rX Yes inches 68" 5. Free water present Ig No I— Yes range in inches 6. Soil percolation rate estimated IX Yes Texture group I II e IV E No Estimated rate 90 min/inch 7. Permeability test performed [— Yes IX No If yes, note type of test performed and attach Site Approved: Drainfield to be placed at 48" depth at site designated on permit. I— Site Disapproved: Reasons for rejection: 1. E Position in landscape subject to flooding or periodic saturation. 2. I— Insufficient depth of suitable soil over hard rock. 3. r Insufficient depth of suitable soil to seansonal water table. 4. I— Rates of absorption too slow. 5. r Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. E Proposed system too close to well. 7. E Other Specify (attach additional pages if necessary) Abbreviated Design Form This form is for use with gravity,pump to gravity,enhanced flow,and low pressure distribution(LPD)sewage system designs and when applying for a certification letter or subdivision approval. This abbreviated design covers the ❑ primary and reserve area, ❑ only the primary area, C�only the reserve area(check one)for Parcel X—A Division of TM 109-1 A (Drain Field Area#1)(Property ID). Design Basis Total length of available area: 65' Total width of available area: 12' Estimated Perc. Rate: 90 at 48" in.(depth) Number of bedrooms(or GPD): 2 2 Conveyance Method : Pump Distribution method (specify): Pump 3c Dispersal system basis GMP 118A LGMI required? No (Yes/No) Effluent quality required: Secondary (Primary, Secondary, Advanced Secondary) Square feet per bedroom: 406 Total trench bottom area required: _1624_ Note: Installation depth on low side of pad—48" Drain Field Area#1 provides approx.48%of the reserve area required. Combined with Drain Field Areas 2 and 3, it provides 200%reserve for the existing 2 bedroom house. Area Calculations Length of Pad 65' Width of Pad: 12' Width of trenches: n/a Center to center spacing: n/a Reserve required?_this is part of the reserve area_ Percent reserve area required: 200 Total width of absorption area required 12; Total pad area provided: 780 The required width is calculated by multiplying the center-to-center spacing by one less than the number of trenches and adding l trench width plus any required reserve area. If the topography is not uniform across the length of the site the trenches will need to flare apart on one end to maintain contour. When this occurs it is necessary to use a center-to-center spacing that accounts for the flair or the installer will not be able to fit the system within the approved area. It is perfectly acceptable to have more area available,especially up and down the slope,than is required. Page of AOSE Form E Revised July 18,2007 Page G of /O Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/14/13 Submitted to Albemarle County Health Department Applicant Darrell Napier Telephone Number (434) 531-7669 Address 5877 Broken Sun Road Covesville,Virginia 22931 Owner Same Address Same Location 5877 Broken Sun Road Covesville, Virginia Tax Map 109-1A Subdivision Block/Section Lot X SOIL INFORMATION SUMMARY - r-z, 1. Position in landscape satisfactory? IX Yes I— No Describe toe slope 2. Slope 23 % 3. Depth to rock or impervious strata: Max. Min. None x 4. Depth to seasonal water table (gray mottling or gray color) Ix No r Yes inches 5. Free water present IX No E Yes range in inches 6. Soil percolation rate estimated (x Yes Texture group I II ® IV E No Estimated rate 90 min/inch 7. Permeability test performed I— Yes • No If yes, note type of test performed and attach fx Site Approved: Drainfield to be placed at 48" depth at site designated on permit. E Site Disapproved: Reasons for rejection: 1. I— Position in landscape subject to flooding or periodic saturation. 2. r Insufficient depth of suitable soil over hard rock. 3. r Insufficient depth of suitable soil to seansonal water table. 4. r Rates of absorption too slow. 5. r Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. r Proposed system too close to well. 7. E Other Specify (attach additional pages if necessary) . 19`t5e- 7 f 0 Abbreviated Design Form This form is for use with gravity,pump to gravity,enhanced flow,and low pressure distribution(LPD)sewage system designs and when applying for a certification letter or subdivision approval. This abbreviated design covers the ❑ primary and reserve area, ❑ only the primary area, Ely the reserve area(check one)for Parcel X—A Division of TM 109-1A (Drain Field Area#2)(Property ID). Design Basis Total length of available area: 50' Total width of available area: 10' Estimated Perc. Rate: 90 at 48" in. (depth) Number of bedrooms(or GPD): 2 1 2 Conveyance Method :_Pump - Distribution method (specify): Pump 3c Dispersal system basis GMP 118A LGM1 required? No (Yes/No) Effluent quality required: Secondary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: _406 Total trench bottom area required: 1624 Note: Installation depth on low side of pad—48" Drain Field Area#2 provides approx. 31%of the reserve area required. Combined with Drain Field Areas 1 and 3, it provides 200%reserve for the existing 2 bedroom house. Area Calculations Length of Pad 50' Width of Pad: 10' Width of trenches: n/a Center to center spacing: n/a Reserve required? this is part of the reserve area_ Percent reserve area required: 200 Total width of absorption area required 10; Total pad area provided: 500 The required width is calculated by multiplying the center-to-center spacing by one less than the number of trenches and adding 1 trench width plus any required reserve area. If the topography is not uniform across the length of the site the trenches will need to flare apart on one end to maintain contour. When this occurs it is necessary to use a center-to-center spacing that accounts for the flair or the installer will not be able to fit the system within the approved area. It is perfectly acceptable to have more area available,especially up and down the slope,than is required. Page of AOSE Form E Revised July 18,2007 Page F of ID Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/14/13 Submitted to Albemarle County Health Department Applicant Darrell Napier Telephone Number (434) 531-7669 Address 5877 Broken Sun Road Covesville,Virginia 22931 Owner Same Address Same Location 5877 Broken Sun Road Covesville, Virginia Tax Map 109-1A Subdivision Block/Section Lot X SOIL INFORMATION SUMMARY - Greet, 143 1. Position in landscape satisfactory? r Yes (— No Describe toe slope 2. Slope 10 3. Depth to rock or impervious strata: Max. Min. None 48" 4. Depth to seasonal water table(gray mottling or gray color) f No I Yes inches 5. Free water present Ix No r Yes range in inches 6. Soil percolation rate estimated Ix Yes Texture group I II IV ✓ No Estimated rate 90 min/inch 7. Permeability test performed I— Yes • No If yes, note type of test performed and attach • Site Approved: Drainfield to be placed at 15" depth at site designated on permit. ✓ Site Disapproved: Reasons for rejection: 1. E Position in landscape subject to flooding or periodic saturation. 2. r Insufficient depth of suitable soil over hard rock. 3. r Insufficient depth of suitable soil to seansonal water table. 4. r Rates of absorption too slow. 5. I— Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. Ii Proposed system too close to well. 7. I— Other Specify (attach additional pages if necessary) . pug 5 ,a Abbreviated Design Form This form is for use with gravity,pump to gravity,enhanced flow,and low pressure distribution(LPD)sewage system designs and when applying for a certification letter or subdivision approval. This abbreviated design covers the ❑ primary and reserve area, ❑ only the primary area, Et‘ly the reserve area(check one)for_ Parcel X—A Division of TM 109-1A (Drain Field Area#3)(Property ID). Design Basis Total length of available area: 20' Total width of available area: 20' Estimated Perc. Rate: 90 at 15" in.(depth) Number of bedrooms(or GPD): 2 1 2 Conveyance Method : Pump Distribution method (specify): Pump 3c Dispersal system basis GMP 118A LGMI required? No (Yes/No) Effluent quality required: Secondary (Primary, Secondary, Advanced Secondary) Square feet per bedroom: 406 Total trench bottom area required: 1624 Note: Installation depth on low side of pad— 15" Drain Field Area#3 provides approx. 25%of the reserve area required. Combined with Drain Field Areas 1 and 2, it provides 200%reserve for the existing 2 bedroom house. Area Calculations Length of Pad 20' Width of Pad: 20' Width of trenches: n/a Center to center spacing: n/a Reserve required? this is part of the reserve area Percent reserve area required: 200 Total width of absorption area required 20' Total pad area provided: 400 The required width is calculated by multiplying the center-to-center spacing by one less than the number of trenches and adding 1 trench width plus any required reserve area. If the topography is not uniform across the length of the site the trenches will need to flare apart on one end to maintain contour. When this occurs it is necessary to use a center-to-center spacing that accounts for the flair or the installer will not be able to fit the system within the approved area. It is perfectly acceptable to have more area available,especially up and down the slope,than is required. Page of AOSE Form E Revised July 18,2007 -N Q Ow' ' X t_a i \ x 1)- 41i-5 co \ G A E K d C7 < \ Yam it \ \ .on on ak - ; \� : .= v '�' \ \ 6::,^ ov 0- 1 U F O^ \ \ 8 y Q y tig O O.- Z.. �J`T�� \ C!1 gi Or Q Q V1 s F" ii-2 ~p W \\ \ •\. +V+ I � \ \ 8 cL c \ \ 2.4 \ Z, '. \ -\ .,..co g ,rte 8 \ \ \ W I --A -- nm `c4\`' 1 P� l\ \\ \x \ S O1r •\\ lb \ \\�� nc .'�i R -go \ n .\".4.* \ Se ; 01 1 \ ..`°s v i \ #94 •°i a v j g° m a x NA ` , ov t.. ., L. - ^" ; i11J 'T1 > ' � 0 ° R, V Q iV 0 VA 6b 1 €y€` w§_° 4-.1 4 c-) 15 ,-.1 : 111144 :1 ol N\ h Z rn cn J J 9 {y a tl nl xi g Page 1 of 7 OSE/PE Report for: I Construction Permit I Certification Letter n Subdivision Approval Property Location: 911 Address: 5771 Heards Mountain Road City: Covesville Lot Residue Section Subdivision GPIN or Tax Map# 109-1A Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Darrell Napier Street: 5877 Broken Sun Road City:Covesville State Virginia Zip Code 22931 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 1821 Broadway Street City state Virginia Zip Code 22902 PE Name: License# Address City State Zip Code Date of Report 10/16/13 Date of Revision#1 OSE/PE Job# Date of Revision#2 Contents/Index of this report(e.g.,Site Evaluation Summary,Soil Profile Descriptions,Site Sketch,Abbreviated Design,etc.) OSE Cover Page Abbreviated Design Forms Soil Profile Sheets Survey Plat Soil Information Summary Sheets Certification Statement y I hereby certify that the evaluations and/or designs contained herein/were •• i 1111 d ce Se a 1: • Disposal Regulations(12 VAC5-610),the Private Well Regulations(12 Al';-• 0) `.i o r app >+•le la re•. " ons policies implemented by the Virginia Department of Health. I further certify • at I cu ntly possess any professional license required by the laws and regulations of the Commonwealth that have been duly issued by the applicable agency charged with licensure to perform the work contained herein. The work attached to this cover page has been conducted under an exemption to the practice of engineering,specifically the exemption in Code of Virginia Section 54.1-402.11 I recommend that a(select one): construction permit❑ certification letter❑ subdivision approval be(select one)issued Q denied❑. OSE/PE Signature j Date ®/1 1/ 1740e Z c '7 Soil Profile Reserve Drain Field Residue A Division of Tax Map 109-1A Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group Area#1 9 0-4 A Brown(7.5YR 4/3) clay loam 3 4-40 Bt Reddish yellow(5YR 5/8) silty clay loam 3 40-60 C Yellowish red(5YR 5/8) clay loam 3 10 0-4 A Brown(7.5YR 4/3) clay loam 3 4-54 Bt Yellowish red(5YR 5/8) silty clay loam with weathered 3 amphibolite fragments 54- Cr Amphibolite 11 0-4 A Brown(7.5YR 4/3) clay loam 3 4-30 Bt Reddish yellow(5YR 5/8) silty clay loam 3 30-60 C Yellowish red(5YR 5/8) sandy loam,manganese (redox) 2 below 48" 12 0-4 A Brown(7.5YR 4/3) clay loam 3 4-42 Bt Reddish yellow(5YR 5/8) silty clay loam 3 42-53 C Yellow(10YR 7/8) sandy loam with weathered amphibolite 2 fragments 53- Cr Amphibolite Area#2 13 0-6 A Dark gray(10YR 4/1) sandy loam 2 6-36 Bt Reddish brown(2.5YR 4/4) silty clay loam 3 36-48 Bt2 Red(2.5YR 4/6) silty clay loam 3 48- - Gravel 14 0-5 A Dark gray(10YR 4/1) sandy loam 2 5-35 Bt Reddish brown(2.5YR 4/4) silty clay loam 3 35-48 Bt2 Red(2.5YR 4/6) silty clay loam 3 48- - Gravel 15 0-4 A Dark gray(10YR 4/1) sandy loam 2 4-10 Bt Reddish brown(2.5YR 4/4) silty clay loam 3 10-49 Bt2 Red(2.5YR 4/6) silty clay loam 3 49- - Gravel Page 3 of 7 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/14/13 Submitted to Albemarle County Health Department Applicant Darrell Napier Telephone Number (434) 531-7669 Address 5877 Broken Sun Road Covesville,Virginia 22931 Owner Same Address Same Location 5771 Broken Sun Road Covesville, Virginia Tax Map 109-1A Subdivision Block/Section Lot Residue SOIL INFORMATION SUMMARY - 1. Position in landscape satisfactory? IR Yes 1 No Describe toe slope 2. Slope 14 % 3. Depth to rock or impervious strata: Max. 60"+ Min. 54" None 4. Depth to seasonal water table(gray mottling or gray color) Ix No r Yes inches 5. Free water present IX No I— Yes range in inches 6. Soil percolation rate estimated Ix Yes Texture group I II IV I— No Estimated rate 90 min/inch 7. Permeability test performed I— Yes r No If yes, note type of test performed and attach Site Approved: Drainfield to be placed at 18" depth at site designated on permit. I— Site Disapproved: Reasons for rejection: 1. r Position in landscape subject to flooding or periodic saturation. 2. I— Insufficient depth of suitable soil over hard rock. 3. I— Insufficient depth of suitable soil to seansonal water table. 4. r Rates of absorption too slow. 5. I— Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. 1— Proposed system too close to well. 7. E Other Specify (attach additional pages if necessary) Pc or. 0F7 Abbreviated Design Form This form is for use with gravity,pump to gravity,enhanced flow,and low pressure distribution(LPD)sewage system designs and when applying for a certification letter or subdivision approval. This abbreviated design covers the ❑ primary and reserve area, ❑ only the primary area, Cr7‘ly the reserve area(check one)for_Residue—A Division of TM 109-1A (Drain Field Area#1)(Property ID). Design Basis Total length of available area: 110' Total width of available area: 12' Estimated Perc. Rate: 90 at 48" in. (depth) Number of bedrooms(or GPD): 2 1 2 Conveyance Method : _Pump Distribution method (specify): Pump 3c Dispersal system basis GMP 118A LGMI required? No (Yes/No) Effluent quality required: Secondary _(Primary, Secondary,Advanced Secondary) Square feet per bedroom: _406 Total trench bottom area required: _1624_ Note: Installation depth on low side of pads— 18" Drain Field Area#1 consists of 2 pads 12 ft. wide and 55 ft. long Drain Field Area#1 provides approx. 81%of the reserve area required. Combined with Drain Field Area 2 it provides 200%reserve for the existing 2 bedroom house. Area Calculations Length of Pads 55' Width of Pads: 12' Width of trenches: n/a Center to center spacing: n/a Reserve required?_this is part of the reserve area Percent reserve area required: 200 Total width of absorption area required 12; Total pad area provided: 1320 The required width is calculated by multiplying the center-to-center spacing by one less than the number of trenches and adding 1 trench width plus any required reserve area. If the topography is not uniform across the length of the site the trenches will need to flare apart on one end to maintain contour. When this occurs it is necessary to use a center-to-center spacing that accounts for the flair or the installer will not be able to fit the system within the approved area. It is perfectly acceptable to have more area available,especially up and down the slope,than is required. Page of AOSE Form E Revised July 18,2007 Page `; of 7 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/14/13 Submitted to Albemarle County Health Department Applicant Darrell Napier Telephone Number (434) 531-7669 Address 5877 Broken Sun Road Covesville,Virginia 22931 Owner Same Address Same Location 5771 Broken Sun Road Covesville, Virginia Tax Map 109-1A Subdivision Block/Section Lot Residue SOIL INFORMATION SUMMARY - jt, . Z 1. Position in landscape satisfactory? Yes !— No Describe toe slope 2. Slope 8 % 3. Depth to rock or impervious strata: Max. Min. 48"+ None 4. Depth to seasonal water table(gray mottling or gray color) Ix No r Yes inches 5. Free water present Ix No r Yes range in inches 6. Soil percolation rate estimated Ix Yes Texture group I II IV I— No Estimated rate 75 min/inch 7. Permeability test performed r Yes r No If yes, note type of test performed and attach Ix Site Approved: Drainfield to be placed at 6,' depth at site designated on permit. I- Site Disapproved: Reasons for rejection: 1. r Position in landscape subject to flooding or periodic saturation. 2. I— Insufficient depth of suitable soil over hard rock. 3. r Insufficient depth of suitable soil to seansonal water table. 4. r Rates of absorption too slow. 5. r Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. I— Proposed system too close to well. 7. I— Other Specify (attach additional pages if necessary) Po 5c., 6 a�-7 Abbreviated Design Form This form is for use with gravity,pump to gravity,enhanced flow,and low pressure distribution(LPD)sewage system designs and when applying for a certification letter or subdivision approval. This abbreviated design covers the ❑ primary and reserve area, ❑ only the primary area, manly the reserve area(check one)for Residue—A Division of TM 109-1A(Drain Field Area#2)(Property ID). Design Basis Total length of available area: 80' Total width of available area: 15' Estimated Perc. Rate: 75 at 6" in. (depth) Number of bedrooms(or GPD): 2 1 2 Conveyance Method : Pump Distribution method (specify): Pump 3c Dispersal system basis Table 5.4(LPD) LGMI required? No (Yes/No) Effluent quality required: Secondary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 375 Total trench bottom area required: 4500 Note: Drain Field Area#2 provides approx. 28%of the reserve area required. Combined with Drain Field Area#1 it provides 200%reserve for the existing 2 bedroom house. Area Calculations Number of trenches 8 Length of trenches:_80' Width of trenches: 1" Center to center spacing: 2' Reserve required?_Thsi is part of reserve area _ Percent reserve area required: 200 Total width of absorption area required 14; Total trench bottom area provided: 1240 The required width is calculated by multiplying the center-to-center spacing by one less than the number of trenches and adding 1 trench width plus any required reserve area. If the topography is not uniform across the length of the site the trenches will need to flare apart on one end to maintain contour. When this occurs it is necessary to use a center-to-center spacing that accounts for the flair or the installer will not be able to fit the system within the approved area. It is perfectly acceptable to have more area available,especially up and down the slope,than is required. 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