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HomeMy WebLinkAboutSUB201700121 Study Final Plat 2017-08-31 W0B Soils Study for Drain Field Sites Parcel A and Residue A Division of Tax Map 20-13A Albemarle County SUB: 201700121 Prepared for: Courtney and Debra Hoopes 5542 Advance Mills Road Earlysville,VA 22936 Prepared by: Steve Gooch Consulting Geologist, Inc. 703 Oliver Creek Road Troy, Virginia 22974 August 31, 2017 ReceLvect Urso 1 3 2017 Charlottesville/Albemarle Health Department IppovaPage 1 of 6 OSE/PE Report for: Sire Construction Permit E Certification Letter Subdivision Approval Ed Property Location: 911 Address: 5542 Advance Mills Road City: Lot Parcel A Section Subdivision GP1N or Tax Map# 20-1 3A Health Dept 1D# Latitude Longitude Applicant or Client Mailing Address: Name: Courtney or Debra A. Hoopes Street: 5542 Advance Mills Road City:Earlysville State VA Zip Code 22936 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# Address City State Zip Code Date of Report 8/31/17 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 Sheet Survey Plat Soil Information Summary Sheet Certification Statement I hereby certify that the evaluations and/or designs contained herein were conducted in accordance with the Sewage Handling and Disposal Regulations(12 VAC5-610),the Private Well Regulations(12 VAC5-630)and 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. ElThe 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 r I recommend that a(select one): nstruction permit❑ certification letter El subdivision approval ✓❑ be(select one)issued denied U U. OSE/PE Signature v/7.Q._ s.96,CA. Date 77 3/117 Soil Profile Parcel A A Division of Tax Map 20-13A 5542 Advance Mills Road Albemarle County 9WT Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-12 A Weak red (10R 4/2) clay loam, friable 3 12-35 Bt Red(1OR 4/6) silty clay, firm,plastic 4 35-52 Bt2 Red (2.5YR 5/8) silty clay loam, firm, 3 52-84 CB Red (2.5YR 4/8) sandy clay loam, friable 2 2 0-4 A Weak red(10R 4/2) clay loam, friable 3 4-30 Bt Red(1OR 4/6) silty clay, firm, plastic 4 30-64 Bt2 Red (2.5YR 5/8) silty clay loam, firm,yellow(10YR 7/8) 3 mottles 64-84 C Yellow(10YR 7/8) silty clay loam, firm 3 3 0-7 A Weak red(10R 4/2) clay loam, friable 3 7-24 Bt Red (1 OR 4/6) silty clay, firm,plastic 4 24-48 Bt2 Yellowish red(5YR 5/8) sandy clay loam, friable, 10-15% 2 rounded quartz gravel 48- - Gravel layer 4 0-6 A Weak red(10R 4/2)clay loam, friable 3 6-42 Bt Red (10R 4/6) silty clay, firm, plastic 4 42-70 Bt2 Red(2.5YR 5/8) silty clay loam, firm, gravel 66-70" 3 70- - Gravel layer 5 0-7 A Weak red(10R 4/2) clay loam, friable 3 7-30 Bt Red(10R 4/6) silty clay, firm, plastic 4 30-60 Bt2 Red(2.5YR 5/8) silty clay loam, firm, rounded quartz 3 gravel, manganese 52-56" 60-84 Bt3 Yellowish red(5YR 5/8),yellow(10YR 7/8) sandy clay 2 loam, friable, moist 6 0-8 A Weak red (l OR 4/2)clay loam, friable 3 8-38 Bt Red (10R 4/6) silty clay, firm,plastic 4 38-84 Bt2 Red(2.5YR 5/8) silty clay loam, firm,yellow(10YR 7/8) 3 mottles below 56" Page L' of Appendix 2 Soil Summary Report GENERAL INFORMATION 1%00' Date 7/19/17 Submitted to Albemarle County Health Department Applicant E. Courtney and Deborah R. Hoopes Telephone Number (703)8953408 Address 5542 Advance Mills Road Earlysville, VA 22936 Owner same Address same Location 5542 Advance Mills Road Tax Map 20-13A Subdivision Block/Section „ Lot Parcel A SOIL INFORMATION SUMMARY 1. Position in landscape satisfactory? I Yes r No Describe shoulder 2. Slope 9 % 3. Depth to rock or impervious strata: Max. 84"+ Min. 52" None 4. Depth to seasonal water table(gray mottling or gray color) lC No r Yes inches Free water present R No r Yes range in inches Soil percolation rate estimated R Yes Texture group I 11 III IV r No Estimated rate 95 min/inch 7. Permeability test performed r Yes No If yes, note type of test performed and attach IR Site Approved: Drainfield to be placed at 30" depth at site designated on permit. r 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. E 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. 1— Proposed system too close to well. Sr r 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, E curly the primary area, 0 only the reserve area(check one)for Parcel A- A Division of TM 20 Parcel 13A Design Basis Total length of available area: 100' Total width of available area: 105' Estimated Perc.Rate: 95 at 30"in.(depth) Number of bedrooms(or GPD): 4 1 2 Conveyance Method : GravityDistribution method (specify): Gravity_ 3c Dispersal system basis Table 5.4 LGMI required? No (Yes/No) Effluent quality required: Primary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 862 _ Total trench bottom area required: 3448 Sri Area Calculations Number of trenches 12 Length of trenches: 100_^_ Width of trenches: 3' Center to center spacing: 9' Reserve required? Yes Percent reserve area required:_100 Total width of absorption area required 102' Total trench bottom area provided: 3600 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 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. Star This abbreviated design covers the 0 primary and reserve area, 0 only the primary area, 10.4ly the reserve area(check one)for Parcel A- A Division of TM 20 Parcel 13A Design Basis Total length of available area: 100' Total width of available area: 40' Estimated Pere.Rate: 95 at 30" in. (depth) Number of bedrooms(or GPD): 4 1 2 Conveyance Method : Gravity Distribution method (specify): Gravity___ 3c Dispersal system basis GMP 118A LGMI required? No(Yes/No) Effluent quality required: Secondary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 319 Total trench bottom area required: 1276 Area Calculations Number of trenches 5 Length of trenches: 100' Width of trenches: 3' Center to center spacing: 9' Reserve required? This is reserve Percent reserve area required: 100 _ Total width of absorption area required 39' Total trench bottom area provided: 1500 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. Niro, Page of AOSE Form E Revised July 18,2007 1.114 • " IIIj #474 or,1 .. ,.A... . .., pg Ippkol13. . .,: . 1.., . ... _ . ... . ,i. -.it- .: „.,... ..r. :-..111,' ...-; '',,,- i 2 ''Six' '-r '[ • 1. , ;.., ,y,-. • Y� } i.�{M1 "TFC .x < y It a,8 _ • my . Ili l ',•r. ',',...4 # # " e re"' 0 2.:.41, ' ' . mit ' / • '.-- . i P-. .... i! .1 1 1 kit -5' ,w it . . Oft-,46.4144,0 " # # #,..,.-. # Rome / . , , • f ifi. 4/4 ,,,, I' P'-:4:'',,414:,-4:;.,,,I.....,..:.•:' lift:44*- 1080404X& vosio, • 4 ! s s R ' rte:' ,. . . . i- 4''.r ilio _ . . o. A y--111111;1111411 • , ,,ti ,, A + [`{ s„ 'ig'1'4'7'7,1' E.�*`r¢ } •�Rfr ..i -i;,. j 1 3 IflAT k ' 5 n MAP .; 13A, N..... .. _ loft�motk t ,-4•✓1�wd A. Scale 1"=200' •-Soil Profile Hole ',_ ` '" i House, Well and Drain Field Sites • . Parcel A i '" A Division of Tax Map 20-13A Albemarle County,Virginia F Steve Gooch Consulting Geologist 703 Oliver Creek Road Troy,Virginia 22974 Page 1 of 5 OSE/PE Rept or. ,L 1PPREV9 'lore Construction Permit n Certification Letter El Subdivision Approval Q Property Location: 911 Address: 5542 Advance Mills Road City: Lot Residue Section Subdivision GPIN or Tax Map# 20-13A Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Courtney or Debra A. Hoopes stet: 5542 Advance Mills Road City:Earlysville State VA Zip Code 22936 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# r Address City State Zip Code Date of Report 8/31/17 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 Form Soil Profile Sheet Survey Plat Soil Information Summary Sheet Certification Statement I hereby certify that the evaluations and/or designs contained herein were conducted in accordance with the Sewage Handling and Disposal Regulations(12 VAC5-610),the Private Well Regulations(12 VAC5-630)and 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. E.] 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): truction permits certification letter subdivision approval:1 be(select one)issued!: denied U. OSE/PE Signature '�7 - Date 7/3/f17 Soil Profile )2e, - Z cr-C Reserve Drain Field Residue A Division of Tax Map 20-13A State 5542 Advance Mills Road Albemarle County l U T VE l Hole Depth Horizon Material Description Soil Texture (in.) Group 7 0-6 A Weak red (10R 4/2) clay loam, friable 3 6-24 Bt Red(10R 4/6) silty clay,firm,plastic 4 24-54 Bt2 Red(10R 5/8) silty clay, firm,plastic, light gray 4 (10YR 6/1)mottles (redox) 54-78 C Yellowish red(5YR 5/8) sandy clay loam, friable 2 78- - Gravel layer 8 0-11 A Brown (7.5YR 5/4) clay loam, friable 3 11-29 Bt Red (10R 5/8) silty clay loam, firm 3 29-60 Bt2 Yellowish red(5YR 5/8),yellowish brown(10YR 7/8) 2 sandy clay loam, friable, moist,manganese stains 9 0-9 A Brown(7.5YR 5/4)clay loam, friable 3 9-18 AB Light reddish brown(5YR 6/4)clay loam, friable 3 18-40 Bt Red(2.5YR 5/8) silty clay loam,firm 3 '4%w 40-60 Cl Strong brown(7.5YR 5/8) sandy clay loam, friable 2 60-84 C2 Yellowish brown(10YR 5/8) sandy loam, massive, friable 2 10 0-8 A Weak red (10R 4/2) clay loam, friable 3 8-22 Bt Red (10R 4/6) silty clay, firm,plastic 4 22-44 Bt2 Red(2.5YR 5/8) silty clay loam, firm 3 44-84 C Strong brown(7.5YR 5/8)clay loam,friable,common 3 mica flakes 11 0-10 A Brown(7.5YR 4/2) clay loam, friable 3 10-26 Bt Brown (7.5YR 5/4) clay loam, friable 3 26-66 Bt2 Red(2.5YR 5/8) silty clay loam, firm, gray(10YR 5/1) clay 3 seam 50-66"(redox) 66-84 C Yellowish brown(10YR 5/8) sandy clay loam, friable, 2 gray(10YR 5/1)mottles(redox) Page 3 of _ Appendix 2 Soil Summary Report GENERAL INFORMATION `16r Date 7/19/17 Submitted to Albemarle County Health Department Applicant E. Courtney and Deborah R. Hoopes Telephone Number (703)8954408 Address 5542 Advance Mills Road Earlysvilie, VA 22936 Owner same Address same Location 5542 Advance Mills Road Tax Map 20-13A Subdivision Block/Section Lot Residue SOIL INFORMATION SUMMARY - iie,ecvciRtttl'A F.,41 1. Position in landscape satisfactory? I>C Yes E No Describe shoulder 2. Slope 8 % 3. Depth to rock or impervious strata: Max. 84"+ Min. 50" None 4. Depth to seasonal water table(gray mottling or gray color) E No R. Yes inches 24" Free water present R No 1- Yes range in inches *144rSoil percolation rate estimated IX YeS Texture group I II lii r No Estimated rate 95 min/inch 7. Permeability test performed 1— Yes i5 No If yes,note type of test performed and attach R Site Approved: Drainfield to be placed at 12" depth at site designated on permit. f` Site Disapproved: Reasons for rejection: 1. 1— Position in landscape subject to flooding or periodic saturation. 2. 1— Insufficient depth of suitable soil over hard rock. 3. I� Insufficient depth of suitable soil to seansonat water table. 4. 1 Rates of absorption too slow. 5. n Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. 1 Proposed system too close to well. r Other Specify (attach additional pages if necessary) A, y v�c 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 0 primary and reserve area, 0 only the primary area, IiI4nly the reserve area(check one)for_Residue—A Division of TM 20-13A Design Basis Total length of available area: _l00' Total width of available area: 65' Estimated Pere. Rate: 95 at 12"" in. (depth) Number of bedrooms(or GPD):4 Conveyance Methods:_Pump Distribution method (specify): Pump 3c Dispersal system basis Table 5.4(LPD) LGMI required? No (Yes/No) Effluent quality required: Advanced Secondary(TL 3) (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 431 Total trench bottom area required: 5172 Area Calculations Number of trenches 26 Length of trenches: 100' Width of trenches: 1" Center to center spacing: 2' Reserve required? 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V ' ' "WS M agtatit, ' 11111111r', ' •'---:---vr.- . =EL-,, , ..,. , •L 'imam egogitvmm---- _- • . Scale I"=200' ,.-..-' . .6....... •- Soil Profile Hole , Proposed Drain Field Site , • • Residue ' '406....- A Division of Tax Map 20-13A Albemarle County,Virginia Steve Gooch Consulting Geologist 703 Oliver Creek Road Troy,Virginia 22974