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HomeMy WebLinkAboutSUB201600023 Approval - Agencies 2016-02-16 Soils Study for Drain Field Sites Tracts 2A and 2B A Division of Tract 2 (TM 60-2A) Albemarle County Prepared for: RMC7 LLC 501 Lexington Avenue Charlottesville, VA 22902 Prepared by: Steve Gooch Consulting Geologist,Inc. 703 Oliver Creek Road Troy, Virginia 22974 February 3, 2016 Page 1 of 5 OSE/PE Report for: 'r•► Construction Permit I- Certification Letter Subdivision Approval Property Location: 911 Address: City: Lot Tract 2A Section Subdivision GPIN or Tax Map# 60-2A Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: RMC7 LLC Street: 501 Lexington Ave. City:Charlottesville State VA Zip Code 22902 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 2/3/16 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 VACS-610),the Private Well Regulations(12 VACS-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. CThe 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 ''1110" I recommend that a(select one): onstruction permit❑ certification letter subdivision approval Q be(select one)issued 19 denied . OSE/PE Signature r� rOZ:1 Date 014/r‘. Z Soil Profile Reserve Drain Field Tract 2A *...o A Division of Tract 2 (TM 60-2A) Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 9 0-7 A Dark brown(7.5YR 3/3) clay loam, friable 3 7-26 Bt Red (1OR 5/8) silty clay loam, firm 3 26-84 C Yellowish brown(10YR 5/8) sandy loam, friable 2 10 0-6 A Dark brown (7.5YR 3/3) clay loam, friable 3 6-24 BC Red(10R 4/8) silty clay loam, firm w/reddish brown 3 (2.5YR 5/4) sandy loam 24-48 Cl Yellowish brown(10YR 5/8) sandy loam, friable 2 48-78 C2 Gray(10YR 5/1) sandy loam, friable(lithochromic) 2 w/weathered granite gneiss fragments below 66" 78- Cr 11 0-7 A Dark brown(7.5YR 3/3) clay loam, friable 3 7-36 Bt Red (2.5YR 5/8) clay loam, friable 3 36-68 CB Strong brown(7.5YR 5/8) loam, friable w/red (2.5YR 5/8) 2 clay loam, weathered gneiss fragments below 62" 68- Cr 12 0-4 A Dark brown(7.5YR 3/3) clay loam, friable 3 4-25 Bt Red(2.5YR 5/8) clay loam, friable 3 25-48 CB Strong brown(7.5YR 5/8) loam, friable w/red (2.5YR 5/8) 2 clay loam 48-72 C Brownish yellow(10YR 6/8) sandy loam, friable 2 13 0-5 A Dark brown(7.5YR 3/3) clay loam, friable 3 5-31 Bt Red(10R 5/8) silty clay loam, firm 3 31-47 BC Yellowish red(5YR 5/8) sandy clay loam, friable 2 47-72 C Yellowish brown(10YR 5/8) sandy loam, friable 2 Now Page , of 5 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 2/3/16 Submitted to Albemarle County Health Department Applicant RMC7, LLC Telephone Number Address 501 Lexington Ave. Charlottesville, VA 22902 Owner same Address same Location North side of Barracks Road at intersection of Barracks Road and Colthurst Drive Tax Map 60-2A Subdivision Block/Section Lot Tract 2A SOIL INFORMATION SUMMARY - Re. ,.e. tfee S 1. Position in landscape satisfactory? rg Yes ("' No Describe shoulder 2. Slope 14 % 3. Depth to rock or impervious strata: Max. 84"+ Min. 68" None 4. Depth to seasonal water table(gray mottling or gray color) fig No r Yes inches ree water present IX No 1` Yes range in inches 6. Soil percolation rate estimated 15-< Yes Texture group I II II IV I- No Estimated rate 55 min/inch 7. Permeability test performed f Yes r No If yes, note type of test performed and attach Ix Site Approved: Drainfield to be placed at 36" depth at site designated on permit. E Site Disapproved: Reasons for rejection: 1. E Position in landscape subject to flooding or periodic saturation. 2. E Insufficient depth of suitable soil over hard rock. 3. 1 Insufficient depth of suitable soil to seansonal water table. 4. I` Rates of absorption too slow. 5. I� Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. I` Proposed system too close to well. E Other Specify (attach additional pages if necessary) 12Q12¢— 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. 'Now This abbreviated design covers the ❑ primary and reserve area, ❑ only the primary area,pAt4ly the reserve area(check one)for_Tract 2A—A Division of Tract 2 (TM 60-2A) . Design Basis Total length of available area: 80' Total width of available area: 50' Estimated Pere. Rate: 55 at 36" in. (depth) Number of bedrooms(or GPD): 2 Conveyance Methods 2 : 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: 186 Total trench bottom area required: 744 Area Calculations Number of trenches 4 Length of trenches: 80' Width of trenches:3' Center to center spacing: 9' Reserve required?_this is reserve_ Percent reserve area required: 200 Total width of absorption area required 30' Total trench bottom area provided: 960 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 1' ' ''''•., L5 , R., ,..i, cts, ..„,,i= p i 6,c cldF.;" 7 .., L51 Alli■ I IS Z. I L50 ,; S, 'ttp, , (1. ' \064,3 ...,14 x - . 0. 0.00' 7 9.51.12° t ' . AN . \ti. ‘qu 7.:-.4.111.m. IS 44 .4:107i)-, N55'00'00"E f t 0 Ie.. . - r a Si As -:■: r 1 .: ' . ,II 4.t.:1; S82'0 if . •0. 11. S If • 60-1L *". ._4, 360.00' IS vst rf 10 IVY <,.,,. .. DRAIE446 , L.MARTIN CREEK Iris . , t' MARTIN itto XII, THRU 638 PLAT .4. 4 Zito ,,,, - ,,,, WELL ° At L4 0,2 IA3 allim ..c. , -,44— ,., . . 1 . , „ , 1 '+'• ' 400.00' Pf.".\ "54 ,- L39 41 k.:'-.a 0 L3: 85 00 0 IS L3 k-S27'21 ' k VW IS S35'00'00"E 165.00' N34 '00'00"E r--k_,rii .12( 14:";a Houiv % L36 1 Lu 13 215.00' i S 18'06' L35 ' Nip 5.el FLAG i , s 4 PROPOSED Li 132.0 sof,E0 i. L34 :%. ,i,,c::' IS FLAG - . ,.. LAG 2 4440, FLAG 5 L32 r' 12'0) ik7 • g q,..- . :;. .' ' AillieNOLA8 ,.. FLAG e 114:bnj L31 ''., 4„, imuiNg.00' 1.30 ' IS IS AG p ... ...,-,, „ 1-29 d 1-28 ',', \ •tP,p‘p. i ' ; (: N17 2c5 t 41,,i, ,220.64' 1.27 L24 L26 LL2L23 20 1 ' IS 88T1U0RFAE11r1l. ".. ics os /1 44Q IS .e N40 '45'00"E ,--," 100.00' 114`*--S1332°430.0'008"W ICLitil 9.10.KIS il N74'00'00"E / Li2 8 130.00' L11 (91 s ""IPA39 I -...."'-.N50 "00'00"W / ' 150.00' . .. tt•-4 .40°' 0 -.. i at TRACT 2A " ro Pci 4 AI8 08 ACRES \ is g. r% DR g. <%% .V. 4•? co STREAM IS ). .F4Y‘.1 . 4/6`. %.?). `Z9• I s t t BUFFER .9 - o* s,, k` d, ., .4_ Vr 4 0 60: -.. "*■20 F44* ,r) e, 1., / , ,Are.•—■— -CIAL■ N" -4":—. 4.0--....- -tr, "`■.,..... 99 4, *4, f,,,, .% ,0 Scale l"=300' ..., Soil Profile Hole . , ,.?, ;6/1.'' '''' N •i kgo, ■ House, Well and Drain Field Sites , I, isrl 4, \ ØØ ' 00, — A Division of Tract 2 (TM 60-2A) .4 ...... ...... , Albemarle County, Virginia TRACT LS S i(# , 14\-626'5034" 6' . , ''\,/ ''' COMMUN Steve Gooch Consulting Geologist •-• /S / •\ (0.E.3 le 703 Oliver Creek Road 10. 73 AC 100. 0' 44,.- Troy, Virginia 22974 Ai' ik s3,13,i;IA "N Page 1 of 8 OSE/PE Report for: ..� Construction Permit I I Certification Letter- Subdivision Approval Property Location: 911 Address: City: Lot Tract 2B Section Subdivision GPIN or Tax Map# 60-2A Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: RMC7 LLC Street: 501 Lexington Ave. City:Charlottesville State VA Zip Code 22902 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# rr.. Address City State Zip Code Date of Report 2/3/16 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 I hereby certify that the evaluations and/or designs contained herein were conducted in accordance with the Sewage Handling and Disposal Regulations(12 VACS-610),the Private Well Regulations(12 VACS-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. CThe 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 ` ow I recommend that a(select one): onstruction permit❑ certification letter"' subdivision approval 5 be(select one)issued© denied Li. OSE/PE Signature 'J 1- - Date e43//‘ paw z8 Soil Profile Primary Drain Field Tract 2B A Division of Tract 2 (TM 60-2A) Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 3 0-3 A Brown(7.5YR 4/2) clay loam, friable 3 3-44 BC Red (10R 4/8) silty clay loam, firm w/weathered schist 3 fragments 44-72 C Olive (5Y 5/4) loam w/weathered schist fragments 2 72- Cr 50%+ schist fragments 4 0-4 A Brown(7.5YR 4/2) clay loam, friable 3 4-36 Bt Red(10R 4/6) silty clay loam, firm w/sub-rounded gravel 3 and cobbles 36-48 2Bt Red(10R 5/8) silty clay loam, firm 3 48-84 2BC Yellowish red (5YR 5/8) silty clay loam, firm to friable, 3 gray(10YR 5/1) feldspar(lithochromic) 6 0-4 A Brown(7.5YR 4/2) clay loam, friable 3 4-37 Bt Red(10R 5/8) silty clay loam, firm 3 37-57 BC Red(10R 4/8) silty clay loam, firm w/yellowish red 3 (5YR 5/8) sandy clay loam No, 57-84 C Light red(2.5YR 6/8) sandy clay loam, friable 2 7 0-7 A Brown(7.5YR 4/2) clay loam, friable 3 7-35 Bt Red(10R 5/8) silty clay loam, firm 3 35-60 BC Red(10R 4/8) silty clay loam, firm w/yellowish red 3 (5YR 5/8) sandy clay loam 60-84 C Light red (2.5YR 6/8) sandy clay loam, friable 2 8 0-6 A Brown(7.5YR 4/2) clay loam, friable 3 6-45 Bt Red(10R 5/8) silty clay loam, firm 3 45-61 BC Red(10R 4/8) silty clay loam, firm w/yellowish red 3 (5YR 5/8) sandy clay loam 61-84 C Light red (2.5YR 6/8) sandy clay loam, friable 2 Now Page 3 of 2 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 2/3/16 Submitted to Albemarle County Health Department Applicant RMC7, LLC Telephone Number Address 501 Lexington Ave. Charlottesville, VA 22902 Owner same Address same Location North side of Barracks Road at intersection of Barracks Road and Colthurst Drive Tax Map 60-2A Subdivision Block/Section Lot Tract 28 SOIL INFORMATION SUMMARY - primal? Pram. eidd 1. Position in landscape satisfactory? 1x Yes (" No Describe shoulder 2. Slope 7 % 3. Depth to rock or impervious strata: Max. 84"+ Min. 72" None 4. Depth to seasonal water table(gray mottling or gray color) (x` No f� Yes inches ree water present IX No r Yes range in inches 6. Soil percolation rate estimated fx Yes Texture group I II Ill IV No Estimated rate 65 min/inch 7. Permeability test performed I- Yes ig No If yes, note type of test performed and attach iX Site Approved: Drainfield to be placed at 54" depth at site designated on permit. f Site Disapproved: Reasons for rejection: 1. fl Position in landscape subject to flooding or periodic saturation. 2. E Insufficient depth of suitable soil over hard rock. 3. r Insufficient depth of suitable soil to seansonal water table. 4. E Rates of absorption too slow. 5. Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. I� Proposed system too close to well. lir" 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. w This abbreviated design covers the ❑ primary and reserve area, 544nly the primary area, ❑ only the reserve area(check one)for Tract 2B—A Division of Tract 2(TM 60-2A) . Design Basis Total length of available area: 100' Total width of available area: 85' Estimated Pere. Rate: 65 at 54" in. (depth) Number of bedrooms(or GPD): 5 1 2 Conveyance Method : _Pump Distribution method (specify): Pump 3c Dispersal system basis Table 5.4 LGMI required? No (Yes/No) Effluent quality required: Primary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 496 _ Total trench bottom area required: 2480 Area Calculations Number of trenches 9 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 75' Total trench bottom area provided: 2700 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 9 as,e_ 4'vC Soil Profile Reserve Drain Field Tract 2B A Division of Tract 2 (TM 60-2A) Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-4 A Brown(7.5YR 4/2) clay loam, friable 3 4-40 Bt Red(1OR 4/6) silty clay loam, firm w/sub-rounded gravel 3 and cobbles 40-52 2Bt Red (10R 5/8) silty clay loam, firm 3 52-78 2BC Yellowish red (5YR 5/8) silty clay loam, firm to friable 3 78-84 C Reddish brown(2.5YR 5/4) clay loam, friable 3 2 0-4 A Brown(7.5YR 4/2) clay loam, friable 3 4-35 Bt Red(10R 5/8) silty clay loam, firm 3 35-52 BC Red(10R 5/8) silty clay loam, firm, w/yellowish red 3 (5YR 5/8) sandy clay loam 52-84 C Reddish yellow(7.5YR 6/8) sandy loam, friable 2 3 0-3 A Brown(7.5YR 4/2) clay loam, friable 3 3-44 BC Red(10R 4/8) silty clay loam, firm w/weathered schist 3 fragments 44-72 C Olive (5Y 5/4) loam w/weathered schist fragments 2 72- Cr 50%+schist fragments 4 0-4 A Brown(7.5YR 4/2) clay loam, friable 3 4-36 Bt Red(10R 4/6) silty clay loam, firm w/sub-rounded gravel 3 and cobbles 36-48 2Bt Red(10R 5/8) silty clay loam, firm 3 48-84 2BC Yellowish red (5YR 5/8) silty clay loam, firm to friable, 3 gray(10YR 5/1) feldspar(lithochromic) 5 0-4 A Brown(7.5YR 4/2) clay loam, friable 3 4-32 Bt Red (10R 5/8) silty clay loam, firm 3 32-72 CB Yellowish red (5YR 5/8) sandy clay loam, friable, w/red 2 (10YR 4/8) silty clay loam, weathered gneiss fragments below 66" 72- Cr Nor Page Co of 2 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 1/11/16 Submitted to Albemarle County Health Department Applicant RMC7, LLC Telephone Number Address 501 Lexington Ave. Charlottesville, VA 22902 Owner same Address same Location North side of Barracks Road at intersection of Barracks Road and Colthurst Drive Tax Map 60-2A Subdivision Block/Section Lot Tract 2B SOIL INFORMATION SUMMARY I e er Ptt plejej 1. Position in landscape satisfactory? fix Yes E No Describe shoulder 2. Slope 12 % 3. Depth to rock or impervious strata: Max. 84"+ Min. 72" None 4. Depth to seasonal water table (gray mottling or gray color) iX No r Yes inches ee water present IX No r Yes range in inches New 6. Soil percolation rate estimated R Yes Texture group I II S IV I� No Estimated rate 75 min/inch 7. Permeability test performed I— Yes Ix` No If yes, note type of test performed and attach X Site Approved: Drainfield to be placed at 54" depth at site designated on permit. 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 seansonal water table. 4. 1— Rates of absorption too slow. 5. E Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. '' E Proposed system too close to well. '7"I— 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 O primary and reserve area, 0 only the primary area, CG-only the reserve area(check one)for Tract 2B—A Division of Tract 2(TM 60-2A) . Design Basis Total length of available area: 100' Total width of available area: 95' Estimated Perc. Rate: 75 at 54" in. (depth) Number of bedrooms(or GPD): 5 Conveyance Methods 2 :_Pump Distribution method (specify): Puma 3c Dispersal system basis Table 5.4 LGMI required? No(Yes/No) Effluent quality required: Primary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 596 Total trench bottom area required: 2980 Area Calculations Number of trenches 10 Length of trenches: l00_'„___ Width of trenches: 3' Center to center spacing: 10' Reserve required?_this is reserve_ Percent reserve area required: 100 Total width of absorption area required 93' Total trench bottom area provided: 3000 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. Now- Page of AOSE Form E Revised July 18,2007 ., ll 7 I L52 .,r I PG7e- ,.._Jam" '... L57 IS I : -� 8 : - r..� „ S7 N55'00'04"E IS O o$ vs co �,. , t s �:. ii �" 360, , -CAVY �T...._ � �� a4 Is \...11 Jr CREEK �'cs Ilimm REA IS 0. i..44 ti3 ..../...� a •v s WELL 4? L4 L43 , 4 L41 ""-=*h► ' FLAG ao L40 "' ,.- I; fir- :,� " �400�04� 1 �--549'06'08"W L39 ` 00 00"E �° 204.00' L37 65.00'535 '06'00"E IS � --327 '21'08"W L37 t", w TS 165.00' N3�4'00'00"E rn- , L36 IS 215.00' ►._.i' �pr1:1I'.:' ,1' Q` e L35 , $a FLAG Ab f x!6'06'06"W L34 ; o°o rt IS FLAG ‘7..`�tib��A 132.00' L33 2 A A , o L32 y yrc " S % : QIV�f.AS rL a 10 L31 - a o' L30 'IS '�, ':'; 1x' .00' IS +� I5 LAG • f1 • ' ; * .r L29 �, 4 r r L28 L27 L24 �, N17 ' L26� IS Alt.). 220.64 L23 ,� STREAt4 IS k, IP `�,- -:.•fit BUFFER VV / /417 L20- 1 '�q�*• f+ ' L16 L17 •�--'. tier / ;. 11 T5-, N40 '45'40"E' +e L1 '� 0 I5 400.00' i S13'40'08"'W 323.00' I5 N74*00'00"E 1 Li! B 130.00' A : c -..4p N50 '00'00"W /. �i I Z 550.00' , .:4.*,, �� Lf..l \ CO"' kg two l •�.0, !& .3 ;a `', "' TRACT 2A co 46. 08 ACRES Is o it-' Qo lin •�'�• STREAM IS '�� / ° >>Q?9 O I� BUFFER '"` S6 4`46 3M4" V�Q .� .4%, z ��� Sys.S a tt f. .$ '00`x'SI,• ��!'a I5 .'1 .,0�0 �•, pp c�F •,,1 _ \Iii`'' Scale l"=300' •- Soil Profile Hole House, Well and Drain Field Sites •- Tract 2B SEMENT TO ALLTEL A Division of Tract 2 (TM 60-2A) MUNICATIONS. INC. TRACT 28 Albemarle County,Virginia .3185-533. 538 PLAT) 110. 73 ACRES Steve Gooch Consulting Geologist k Oo 4 703 Oliver Creek Road a, ,�Q ' Troy, Virginia 22974