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HomeMy WebLinkAboutSUB201600203 Study 2016-10-22 APPROVED Soils Study for Drain Field Sites Lots A and B A Division of Tax Map 63-32 Albemarle County Prepared for: L. Douglas Birckhead,Jr., Trustee of the L. Douglas Birckhead Jr. Trust P.O. Box 7625 Charlottesville, VA 22906 Prepared by: Steve Gooch Consulting Geologist, Inc. 703 Oliver Creek Road Troy, Virginia 22974 October 22, 2016 Page 1 of 5 OSE/PE Report for: Construction Permit I I Certification Letter Subdivision Approval 71 Property Location: 911 Address: 2826 Stony Point Road City: Lot A Section Subdivision GPIN or Tax Map# 63-32 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: L. Douglas Birckhead, Jr., Trustee of the L. Douglas Birckhead, Jr. Trust Street: P.O. Bxo 7625 City:Charlottesville State VA Zip Code 22906 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 10/22/16 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 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. nThe 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 fl subdivision approval ✓❑ be(select one)issued denied❑. OSE/PE Signature '-L_ Date 10( f( P ex- Z() Soil Profile Reserve Drain Field Lot A A Division of TM 63-32 Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 8 0-4 A Brown (7.5YR 5/4) loam, friable 2 4-24 Bt Red (2.5YR 5/8) silty clay loam, firm w/greenstone 3 fragments below 20" 24- Cr 9 0-6 A Brown(7.5YR 5/4) loam, friable 2 6-18 C Pale olive (5Y 6/3) loam, friable w/greenstone fragments 2 18- Cr 10 0-5 A Brown(7.5YR 5/4) loam, friable 2 5-12 Bt Reddish brown(2.5YR 5/4) clay loam, friable 3 12-21 CB Pale olive (5Y 6/3) loam, friable w/greenstone fragments, 2 red (2.5YR 5/8) clay loam 21- Cr 11 0-5 A Brown(7.5YR 5/4) loam, friable 2 5-30 BC Reddish brown (2.5YR 5/4) clay loam, friable w/greenstone 3 fragments 30- Cr 12 0-4 A Brown(7.5YR 5/4) loam, friable 2 4-24 Bt Red (2.5YR 5/8) silty clay loam. Firm 3 24-38 CB Pale olive (5Y 6/3) loam, friable w/greenstone fragments, 2 red (2.5YR 5/8) clay loam 38- Cr Page of '1 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 8/27/16 Submitted to Albemarle County Health Department Applicant L. Douglas Birckhead, Jr. Trustee Telephone Number (434) 531-6070 Address P.O. Box 7625 Charlottesville, VA 22906 Owner same Address same Location 2826 Stony Point Road Tax Map 63-32 Subdivision Block/Section Lot A SOIL INFORMATION SUMMARY 1. Position in landscape satisfactory? In Yes f No Describe shoulder 2. Slope 17 % 3. Depth to rock or impervious strata: Max. 38" Min. 18" None 4. Depth to seasonal water table(gray mottling or gray color) Ix No E Yes inches - Free water present I5 No fa Yes range in inches .Soil Soil percolation rate estimated Ix Yes Texture group I 11 i® IV E No Estimated rate 90 min/inch 7. Permeability test performed E Yes CX No If yes, note type of test performed and attach Ig Site Approved: Drainfield to be placed at 6" depth at site designated on permit. I` Site Disapproved: Reasons for rejection: 1. 1® Position in landscape subject to flooding or periodic saturation. 2. I� Insufficient depth of suitable soil over hard rock. 3. E Insufficient depth of suitable soil to seansonal water table. 4. la Rates of absorption too slow. 5. I— Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. E Proposed system too close to well. Other Specify (attach additional pages if necessary) Pa`n- tj oc-Sr 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, 3nly the reserve area(check one)for_Lot A—A Division of TM 63-32 Design Basis Total length of available area: 100' Total width of available area: _50' Estimated Perc. Rate: 90 at®6" in. (depth) Number of bedrooms(or GPD): 3 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: 424 Total trench bottom area required: _3816 Area Calculations Number of trenches 20 Length of trenches: 100' Width of trenches: 1" Center to center spacing: 2' Reserve required? This is reserve_ Percent reserve area required: _100 Total width of absorption area required 38' Total trench bottom area provided:_4000 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 7"55'26" 909.001 125.71.[ 62.961 125.611 817"0 i'401 yr twit . BEARING pu 0,----- DENOTES OVERHEAD UTILITY LINE 9 � e.�r-5 L2 S18'11'49 r DENOTES APPROXIMATE LIMITS OF > L3 531 '26' 12 ••••••••'•1_I ••••'•'•'I STATE DAM BREAK INUNDATION ZONE " i L4 S47"41' 19 . TAKEN FROM THE COUNTY OF ALBEMARLE ......0j L5 S56'44'42 GIS WEBSITE. L6 571 '58'52 t 3917791 = f1 L7 N89'11'37 11509839 a 0 THIS PLAT NOT FOP T.M.47-15, z `... CARLO COLOMBINI & MARTHA ANN COLOMBINI in COPY SHOWING CON , . $87. D.B.456-302 DESC. c ' TO SUBMETER i 0 pF " TIED TO NORTH "` `';'; • T DATUM OF i982 X a ' VIRGINIA 501 o: fijy� •�.., .� North 3917599 1 F' .� East 11510307 ; IRON : '' `` :: . : ��, POLE HEALTH DEPARTM 4M A. :: . s1 NOT FOR RECOF ESMT.TO VIRGINIA - $ ELECTRIC AND �� �. �.tr POWER COMPANY •:•::,:•°"� ULVERT (D.B.465-175. ` :•...•.,,..,, ` STATE ROUTE 20 179 SKETCH) POLE `•,� VARIABLE WIDTH R/W •WELL s` COMMONWEALTH OF VIRGIP y �; 0.8.760-623 c, i HWY.P.B.X-197 & 198 :iso::.:.:. :.:.: a EXISTING Fu�eII ;t; A \ IRON - LO a tQ ) ui. LO A F DWELLING a , \� , :1. SET (I) 5. 10 AC` S , ti,`, t. ( •\ , 23'04'09"E PROPOSEDt` ` 32.96 ' `tea' '6.:::::k.. IRON t ti. ` ORA�AELO I si is : SET ' ,... FRAME( •. x BLDG. �,3 , a SII , , S18'29'43"E GRAVEL � 'y'. t 'Q-5,2,.I 150.48' • t DRIVEWAY / ;: .,. ', ', \\ \\ , 02 LL \\,.Y,\ /' ,,I, . ,POLE ‘� _ ',.'I ' o N66 55'51"E \\ \\ ��' ,�' VDHT .S,\S\ N66 20.00' 9l • MONUMENT `, N66'55'51"E �,38NW 130'9° •SZ• FOUND .•:;••• ', 17.35' D.1 IRON S7 A 02, 5• 2 S29'54'43"E ',� '` SET g ° NEW 30' 100.72' :: i IRON PRIVATE STREET SET RE: EASEMENT MONUMENT - M� FOUND_ POLE= h Scale 1."---- 100' '- Soil Profile Hole Proposed Reserve Drain Field Site ' Lot A z 1 A Division of Tax Map 63-32 cc to ;•;. , ELAS Albemarle County,Virginia I , Steve Gooch Consulting Geologist marY 0 ' / / 703 Oliver Creek Road a J „¢ / a m F 7°- °; ,'' // Troy, Virginia 22974 2r / / J J ! / / / / JJ / JOL ' //t�' • / J4 JJ�J l JJ JJ/ JJ ` �' 2 ' VW House W ite \ 4 J Page 1 of 8 OSE/PE Report for: Construction Permit Certification Letter-_ Subdivision Approval Nraw Property Location: 911 Address: 2826 Stony Point Road City: Lot B Section Subdivision GPIN or Tax Map# 63-32 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: L. Douglas Birckhead, Jr., Trustee of the L. Douglas Birckhead, Jr. Trust Street: P.O. Bxo 7625 City:Charlottesville State VA Zip Code 22906 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 10/22/16 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 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. EThe 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): onstruction permit❑ certification letter El subdivision approval be(select one)issued denied LI. OSE/PE Signature "/'1-":::€-¢)-e— Date [t©l Zz/i, c' a I Soil Profile Primary Drain Field Lot B A Division of TM 63-32 Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 3 0-3 A Dark reddish brown(2.5YR 3/3) clay loam, friable 3 3-24 Bt Reddish brown (2.5YR 5/4) clay loam, friable, 10-15% 3 greenstone fragments 24-48 2Bt Reddish yellow(7.5YR 6/8) silty clay loam, firm 3 48-66 C Light olive brown (2.5Y 6/4) clay loam, friable, 3 w/greenstone fragments below 54" 66- Cr 4 0-3 A Dark reddish brown (2.5YR 3/3) clay loam, friable 3 3-30 Bt Red (10R 4/8) silty clay loam, firm 3 30-70 BC Yellowish red (5YR 5/8) silty clay loam, firm 3 70-84 C Light olive brown(2.5Y 6/4) clay loam, friable 3 5 0-3 A Dark reddish brown(2.5YR 3/3) clay loam, friable 3 3-24 Bt Red (10R 5/8) silty clay loam, firm 3 24-84 Cl Reddish yellow(7.5YR 6/8) silty clay loam, firm 3 7 0-4 A Dark reddish brown (2.5YR 3/3) clay loam, friable 3 4-14 Bt Reddish brown (2.5YR 5/4) clay loam, friable, 10-15% 3 greenstone fragments 14-24 2Bt Yellowish red (5YR 5/8) silty clay loam, firm 3 24-60 C Light brown (7.5YR 6/4) sandy clay loam w/schist 2 fragments 60- Cr Page 3 of , Appendix 2 Soil Summary Report GENERAL INFORMATION Date 8/27/16 Submitted to Albemarle County Health Department Applicant L. Douglas Birckhead, Jr., Trustee Telephone Number (434) 531-6070 Address P.O. Box 7625 Charlottesville, VA 22906 Owner same Address same Location 2826 Stony Point Road Tax Map 63-32 Subdivision Block/Section Lot B SOIL INFORMATION SUMMARY p5, ,7 Diam, hcXcX 1. Position in landscape satisfactory? fX Yes f No Describe shoulder 2. Slope 18 % 3. Depth to rock or impervious strata: Max. 84" Min. 60" None 4. Depth to seasonal water table (gray mottling or gray color) Ix No E Yes inches - Free water present fX No I- Yes range in inches Soil percolation rate estimated fX Yes Texture group I II IV No Estimated rate 65 min/inch 7. Permeability test performed f� Yes lg No If yes, note type of test performed and attach (X Site Approved: Drainfield to be placed at 36" depth at site designated on permit. f Site Disapproved: Reasons for rejection: 1. f Position in landscape subject to flooding or periodic saturation. 2. f� Insufficient depth of suitable soil over hard rock. 3. f— Insufficient depth of suitable soil to seansonal water table. 4. f! Rates of absorption too slow. 5. f Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. f� Proposed system too close to well. f— 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, Enly the primary area, ❑ only the reserve area(check one)for_Lot B—A Division of TM 63-32 Design Basis Total length of available area: 100' + 50' Total width of available area: 70' Estimated Perc.Rate: 65 at 36" in. (depth) Number of bedrooms(or GPD): 4 1 2 Conveyance Method : Gravi Distribution 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: 496 Total trench bottom area required: 1984 Area Calculations Number of trenches 8 (6 1OO's+2 50's) Length of trenches:_100' +50' Width of trenches: 3" Center to center spacing: 9' Reserve required? Yes Percent reserve area required: _100 Total width of absorption area required 66' Total trench bottom area provided:_2100 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 Pc4h(.17—7 Soil Profile Reserve Drain Field Lot B A Division of TM 63-32 Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-4 A Dark reddish brown(2.5YR 4/3) clay loam, friable 3 4-40 BC Yellowish red (5YR 5/8) silty clay loam, firm, light 3 yellowish brown (10YR 5/4) silt loam 40-84 C Dark yellowish brown(10YR 4/4) clay loam, friable 3 2 0-3 A Dark reddish brown(2.5YR 4/3) clay loam, friable 3 3-45 Bt Red(10R 4/8) silty clay loam, firm 3 45-84 Bt2 Red (2.5YR 5/8) clay loam, friable 3 6 0-3 A Dark reddish brown (2.5YR 4/3) clay loam, friable 3 3-18 Bt Red (10R 4/8) silty clay loam, firm 3 18-36 C Light yellowish brown(01YR 6/4) silt loam, friable 3 w/ schist fragments 36- Cr Page ( of Appendix 2 Soil Summary Report GENERAL INFORMATION Date 8/27/16 Submitted to Albemarle County Health Department Applicant L. Douglas Birckhead, Jr., Trustee Telephone Number (434) 531-6070 Address P.O. Box 7625 Charlottesville, VA 22906 Owner same Address same Location 2826 Stony Point Road Tax Map 63-32 Subdivision Block/Section Lot B SOIL INFORMATION SUMMARY plem � 1. Position in landscape satisfactory? I5 Yes ra No Describe shoulder 2. Slope 14 % 3. Depth to rock or impervious strata: Max. 84" Min. 36" None 4. Depth to seasonal water table (gray mottling or gray color) 15e No 1 Yes inches - Free water present (x No 1 Yes range in inches . Soil percolation rate estimated I3 yes Texture group I II II IV No Estimated rate 90 min/inch 7. Permeability test performed CE" Yes 15e No If yes, note type of test performed and attach Ix Site Approved: Drainfield to be placed at 24" depth at site designated on permit. Site Disapproved: Reasons for rejection: 1. E Position in landscape subject to flooding or periodic saturation. 2. 1 Insufficient depth of suitable soil over hard rock. 3. E Insufficient depth of suitable soil to seansonal water table. 4. E Rates of absorption too slow. 5. I� Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. E Proposed system too close to well. Other Specify (attach additional pages if necessary) 12C(_ 7 Or 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, ly the reserve area(check one)for_Lot B—A Division of TM 63-32 Design Basis Total length of available area: 100' Total width of available area: 55' Estimated Perc. Rate: 90 at 24" 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: 307 Total trench bottom area required: 1228 Area Calculations Number of trenches 5 Length of trenches: 100' 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 43' 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. Page of AOSE Form E Revised July 18,2007 (D.8.465-175. � .:.•.•...•`yam i v`.►"„ STATE ROUTE 20 179 SKETCH) POLE •::•,0 % VARIABLE WIDTH R/W SWELL "d'I"" ti• ` COMMONWEALTH OF VIRGINIA '" D.B.760-623 �`(1 EXISTING w + ... ` IRON HWY.P.8.X-197 & 198 L0 A_ DWELLING FLAG • :: /`i SET 2c 5. 10/ACESI•., ' , S23'04'09"E i % % IV. , 1 32.96' I , I01eA6' ' r IRON ‘ aRAd aELO !I I ; i2 ' ::.i' SET FRAME ' ' :1 '���' \� ��� BLDG. FLA . FLAG ��tt 8 !1 ` S18'29443"E GRAVEL f''� .%• , '°`‘ i50.48' ........ \•., It, DRIVEWAY r , ►'x�, •`�.�i�., ,� POLEQ T.N.63 ,,,. :, _ .•4. , .d', .\ \`431 ti LIBER G> N86 55 51 E 4`•'• -- VDHT n I �4�% 0.00' BAPTIST C .. (ik 0 9p' ".. MONUMENT ....\<(` ' �� p.8. 155 33 FOUND t '� N66'S5'51"E 0.B.88-12i ,36 + 23,8 17.35` 0.8.30-144 ON... 91,0'd2,p8 S29'54'43"E `� `% ET 3 NEW 30 ' 100.72' ;:a IRON PRIVATE STREET SET RESERVED 2 EASEMENT VDHT w_ �, J MARSHALL MONUMENT ;�;: D.8.206 FOUND POLE , to S23 '09' 16"E �: 198.01 N9 • ::. p STATE AOUI �` ' -Aa STONY POINT V r "� � t • .'\ :\(30 'PRESCRIPTI' FL t4. p' / , .s° ° tS� \\ I / i it I / / / „).,„ZAG t ! r w 4 / I/ F94/ AG t, i ,,,-1, T.M.63 k ossoSAENis R 'A FLAB Ey 9. 32 ACRES D.B.291 I & 446 • 1 V'-' i &memcu Ii ' I 0 ' I I cFQAG� ,� Ivss'3 ; Proposed Well �e 0$. SIC T 00 W i$4. p,8'fEyw46 S , ., 4 �hJA POLE FOR Scale 1"= 100' • - Soil Profile Hole ` :VIEW House, Well and Drain Field Sites )8,4 $ w ` Lot B e' = 100' A Division of Tax Map 63-32 ?T 80.00. 4 , EMBER 27, 20 Albemarle County, Virginia , ' ' Steve Gooch Consulting Geologist 703 Oliver Creek Road North 3916533 IRON ' Troy,Virginia 22974 East 11510538 SET / g � �t ASSCIC.. INC. :ALE E 10U.` /r