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HomeMy WebLinkAboutSUB201900003 Assessment - Environmental Drainage or Detention Plan and Comps. 2019-01-05 (AO�F A I ir**-t`?\ COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road,Room 227 Charlottesville,Virginia 22902-4596 Phone(434)296-5832 Fax(434)972-4126 January 10, 2019 Josh Kirtley Virginia Department of Health 1138 Rose Hill Drive Charlottesville,VA 22906 RE: SUB201900003-Shifflett-Rural Subdivision Dear Mr. Kirtley: The County of Albemarle has received application for the rural subdivision of Tax Map Parcel 9-11B. This project requires Health Department approval before receiving final County approval. The applicant has provided soils information and proposed drainfields.Please review the proposal for suitable subsurface drainfields which comply with the provisions of Chapter 18, Sections 4.2.2,4.2.3,4.2.4,and Chapter 14,Sections 14-309 and 14-310 of the Albemarle County Code and for compliance with 14-416. Should you have any comments please feel free to contact me. Sincerely, Tori Kanellopoulos Tori Kanellopoulos Planner Department of Community Development Voice: (434)296-5832 ext.3270 Fax: (434)972-4035 Soils Study for Drain Field Sites Parcel A and Residue A Division of Tax Map 9-11B Albemarle County C Prepared for: Hugh and Marjorie Wolfrey 1264 Branchlands Drive Apt. 3D Charlottesville,VA 22901-6407 Prepared by: Steve Gooch Consulting Geologist,Inc. 703 Oliver Creek Road Troy,Virginia 22974 January 5, 2019 C Page 1 of 8 OSE/PE Report for: Construction Permit D Certification Letter D Subdivision Approval IZ Property Location: 911 Address: City: Lot A Section Subdivision GPIN or Tax Map# 9-11 B Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Hugh and Majorie Wolfrey Street: 1264 Branchlands Dr. Apt. 3D City:Charlottesville State VA Zip Code 22901-6407 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# CAddress City State Zip Code Date of Report 1/5/19 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. 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): iagnstruction permit certification letter subdivision approval ✓ be(select one)issued denied U. OSE/PE Signature Date /( 4/4 pcu, 2 eft Soil Profile Primary Drain Field Parcel A A Division of Tax Map 9-11B Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 3 0-10 Ap Brown(7.5YR 5/4)clay loam,friable 3 10-32 Bt Red (2.5YR 4/6) silty clay loam, firm 3 32-53 Cl Strong brown(7.5YR 5/8)clay loam,friable 3 53-84 C2 Light olive brown(2.5Y 5/6) sandy loam, friable 2 4 0-12 Ap Brown(7.5YR 5/4)clay loam,friable 3 12-48 Bt Red(2.5YR 4/6)silty clay loam, firm 3 48-70 Cl Yellowish red(5YR 5/8)sandy clay loam, friable 2 70-84 C2 Olive brown(2.5Y 4/4)silt loam, friable 3 5 0-11 Ap Brown(7.5YR 5/4)clay loam, friable 3 11-30 Bt Red(2.5YR 4/6)silty clay loam, firm 3 30-84 C Reddish yellow(7.5YR 6/8)sandy clay loam,white 2 (10YR 8/1)feldspar(lithochromic) 7 0-11 Ap Brown(7.5YR 5/4)clay loam, friable 3 11-46 Bt Red(2.5YR 4/6)silty clay loam, firm 3 46-67 BC Red(2.5YR 4/4)clay loam, olive brown(2.5Y 4/4) loam, 3 friable 67-84 C Yellowish red(5YR 5/8)clay loam, friable 3 C Page _1_ of F Appendix 2 Soil Summary Report GENERAL INFORMATION Date 12/24/18 Submitted to Albemarle County Health Department Applicant Hugh and Marjorie Woifrey Telephone Number Address 1264 Branchlands Dr.Apt. 3D Charlottesville,VA 22901-6407 Owner same Address same Location 6429 Markwood Road Tax Map 9-11 B Subdivision Block/Section Lot A SOIL INFORMATION SUMMARY - 0inwnav-1 Qr ��e� 1. Position in landscape satisfactory? Igc Yes I— No Describe shoulder 2. Slope 6 % 3. Depth to rock or impervious strata: Max. Min. None x 4. Depth to seasonal water table(gray mottling or gray color) IR No r Yes inches Free water present IR' No r Yes range in inches Soil percolation rate estimated Inc Yes Texture group I II /0 IV r No Estimated rate 55 min/inch 7. Permeability test performed r Yes ig No If yes, note type of test performed and attach IR Site Approved: Drainfleld to be placed at 60" depth at site designated on permit. r Site Disapproved: Reasons for rejection: 1. r 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 drainfleld, and/or Reverse Area. 6. r Proposed system too close to well. r Other Specify (attach additional pages if necessary) 944s 4u-1 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, ecinly the primary area, O only the reserve area(check one)for Parcel A- A Division of TM 9-11B Design Basis Total length of available area: 75' Total width of available area: 65' Estimated Perc. Rate:_55_at 60" in.(depth) Number of bedrooms(or GPD): 3 1 2 Conveyance Method : Gravity 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: 412 Total trench bottom area required: 1236 C Area Calculations Number of trenches 6 Length of trenches: 75' Width of trenches: 3' Center to center spacing: 9' Reserve required?_Yes_ Percent reserve area required: 100 Total width of absorption area required 45' Total trench bottom area provided: 1350 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 Soil Profile Reserve Drain Field Parcel A A Division of Tax Map 9-11 B Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-6 Ap Brown(7.5YR 5/4)clay loam, friable 3 6-25 Bt Reddish brown(2.5YR 4/4) silty clay loam, firm 3 25-84 C Olive brown(2.5Y 4/4)silt loam, friable 3 2 0-7 Ap Brown(7.5YR 5/4)clay loam, friable 3 7-42 Bt Red(2.5YR 4/6)silty clay loam, firm 3 42-84 C Light olive brown(2.5Y 5/6)sandy clay loam, friable 2 6 0-7 Ap Brown(7.5YR 5/4)clay loam, friable 3 7-34 Bt Red(2.5YR 4/6) silty clay loam, firm 3 34-54 Cl Yellowish red(5YR 5/8)clay loam, friable 3 54-84 C2 Light olive brown(2.5Y 5/6) sandy loam, friable 2 7 0-11 Ap Brown(7.5YR 5/4)clay loam, friable 3 11-46 Bt Red(2.5YR 4/6) silty clay loam,firm 3 46-67 BC Red(2.5YR 4/4)clay loam,olive brown(2.5Y 4/4)loam, 3 friable 67-84 C Yellowish red(5YR 5/8)clay loam, friable 3 C WAY a_. Page __Ce__ of I Appendix 2 Soil Summary Report GENERAL INFORMATION Date 12/24/18 Submitted to Albemarle County Health Department Applicant Hugh and Marjorie Wolfrey Telephone Number Address 1264 Branchlands Dr.Apt. 3D Charlottesville,VA 22901-6407 Owner same Address same Location 6429 Markwood Road Tax Map 9-11 B Subdivision Block/Section Lot A SOIL INFORMATION SUMMARY (2)e6u,tfro_ f)cur,f- F tr.Qe 1. Position in landscape satisfactory? ig Yes 1 No Describe shoulder 2. Slope 9 % 3. Depth to rock or impervious strata: Max. Min. None x 4. Depth to seasonal water table(gray mottling or gray color) FC No r Yes inches Free water present ( No f Yes range in inches Soil percolation rate estimated Ig Yes Texture group I II II IV r No Estimated rate 55 min/inch 7. Permeability test performed r Yes IR No If yes, note type of test performed and attach R Site Approved: Drainfield to be placed at 60" depth at site designated on permit. r 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 drainfleld, and/or Reverse Area. 6. f Proposed system too close to well. Cr Other Specify (attach additional pages if necessary) )9ttc. 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, ❑ only the primary area, (eonly the reserve area(check one)for Parcel A- A Division of TM 9-11B Design Basis Total length of available area: 50' Total width of available area: 75' Estimated Pere.Rate: 55 at 60" in.(depth) Number of bedrooms(or GPD): Conveyance Method: Gravity 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: 412 _ Total trench bottom area required: 1236, C Area Calculations Number of trenches 9 Length of trenches: 50' 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 72' Total trench bottom area provided: 1350 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 r , BUFFER .• -r._. .__ ... 4 4.11 144.4 r Ei i ,4010 II /' 1 TAEAM t1FFER 12 40' PROPOSED RESERVE ,�' •' I DRAIN FIELD , S XISTING DRAIN m I' II{ / �� FIELD(APPROX.) r t!1 it 4rR r.• •'••••r':. pa O TREE f it -y 834'47'22 •r EXISTING HOUSE FE '- 181,62' / iXISTiNG WELL (APPROX.) :�: ,li°: r (APPROX.) `� a •:r FE• HUSH R Y a . ', W.MOLFREY ,� 6TAEAM :�: ROCK ��, p. T BUFFER WALL RE8I +3 "�$ .•• ::: 12.20 AC. ' • --0.60 AC. $(1/2 «' - • a: 'NATION T.M,18-1 F' • « Y)a JAM BETTYSE.SH iFFL.E' %1 IYIElligIENENT) ,„.A T864 11.78 AC. D.0.493-287 0.0.4857-22S PI WOOD AO l". � N��I�T 7 �/ P M. 8...IN PC*4. CEMET AY 4 ;;Ir]i. T ROCK MALL '. EXISTING WEI' il�( PROPOSED HOUSE '`R' Z '% (APPROX.) SITE 4 • `), �21.48' 4" PiaPROPOSED RESERVE DRAIN FIELD 1.M.18-28 t.AT �' �s.► . .4i JAMES E.SHIFFLETT 8 BETTY H.SHIFFLETT 1, it. A,,, ...,, ,, 0.0.418-145 PLAT • !3'16' 1' PROPOSED WELL , 7 OPOSED PRIMARY 338.04 BITE �,,+yv DRAIN HELD t \ Scale 1"-200' •-Soil Profile Hole f ROAD v7o t House,Well and Drain Field SitestA Parcel A PIPE ,� FOUN A Division of Tax Map 9-11 B C \ AT 17.S3' Albemarle Countyt Vujinia i;114 FOR Steve Gooch Consulting Geologist , ` REVIEW 703 Oliver Creek Road t \ Troy,Virginia 22974 SCALE: ems, ,rc ncechisacia 4 it 0(14 A Page 1 of 5 OSE/PE Report for: Construction Permit n Certification Letter l l Subdivision Approval JJ Property Location: 911 Address: 6429 Markwood Road City: Lot Residue Section Subdivision GPIN or Tax Map# 9-11 B Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Hugh and Majorie Wolfrey Street: 1264 Branchlands Dr. Apt. 3D City:Charlottesville State VA Zip Code 22901-6407 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# CAddress City State Zip Code Date of Report 1/5/19 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. ijThe 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 ce I recommend that a(select one): Agnstruction permit❑ certification letter subdivision approval ✓� be(select one)issued© denied U. OSE/PE Signature "—Q , Date 1/�('f Soil Profile Reserve Drain Field Residue A Division of Tax Map 9-11B Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-5 Ap Dark reddish brown(2.5YR 3/4)clay loam, friable 3 5-20 Bt Red(10R 4/6)silty clay loam, firm 3 20-36 BC Red(2.5YR 5/8) clay loam,olive brown(2.5Y 5/6)sandy 3 loam,friable 36-72 C Light red(2.5YR 6/8)sandy loam, gneiss fragments below 2 66" 72- R 2 0-6 Ap Dark reddish brown(2.5YR 3/4)clay loam, friable 3 6-34 Bt Red(10R 5/8)silty clay loam, firm 3 34-64 Cl Dark yellowish brown(10YR 4/6)loam, friable 2 64-84 C2 Light olive brown(2.5Y 5/6)sandy loam, friable 2 3 0-5 Ap Dark reddish brown(2.5YR 3/4)clay loam,friable 3 5-29 Bt Red(10R 5/8)silty clay loam, firm 3 29-53 BC Yellowish red(5YR 5/8)sandy clay loam, friable 2 �r 53-84 C Light olive brown(2.5Y 5/6) sandy loam, friable 2 4 0-5 Ap Dark reddish brown(2.5YR 3/4)clay loam, friable 3 5-20 Bt Red(10R 5/8)silty clay loam, firm 3 20-48 BC Red(2.5YR 5/8)clay loam, light olive brown(2.5Y 5/6) 3 sandy loam, friable 48-84 C Light olive brown(2.5Y 5/6) sandy loam, friable 2 5 0-7 Ap Dark reddish brown(2.5YR 3/4) clay loam, friable 3 7-23 Bt Red(10R 5/8)silty clay loam, firm 3 23-46 BC Red(2.5YR 5/8)clay loam, light olive brown(2.5Y 5/6) 3 sandy loam, friable 46-66 Cl Yellowish red(5YR 5/8)clay loam, friable 3 66-84 C2 Light olive brown(2.5Y 5/6) sandy loam, friable 2 C Page 3 of 'C- Appendix 2 Soil Summary Report GENERAL INFORMATION Date 12/24/18 Submitted to Albemarle County Health Department Applicant Hugh and Marjorie Woifrey Telephone Number Address 1264 Branchlands Dr.Apt. 3D Charlottesville, VA 22901-6407 Owner same Address same Location 6429 Markwood Road Tax Map 9-11 B Subdivision Block/Section Lot Residue SOIL INFORMATION SUMMARY 1. Position in landscape satisfactory? IR Yes 1 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) R. No r Yes inches tisk Free water present Ig No r Yes range in inches Soil percolation rate estimated II Yes Texture group I II III IV (� No Estimated rate 55 min/inch 7. Permeability test performed r Yes 15Z No If yes, note type of test performed and attach t Site Approved: Drainfleld to be placed at 48" depth at site designated on permit. f 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. E Insufficient depth of suitable soil to seansonal water table. 4. I— Rates of absorption too slow. 5. C- Insufficient area of acceptable soil for required drainfleld, and/or Reverse Area. 6. r Proposed system too close to well. Cf Other Specify (attach additional pages if necessary) P44,- Abbreviated Design Form This form is for use with gravity,pump to gravity,enhanced flow,and low pressure distribution(LPD)sewage system cdesigns 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, tfr ly the reserve area(check one)for Residue- A Division of TM 9-11 B Design Basis Total length of available area: 100' Total width of available area: 65' Estimated Pere.Rate: 55 at 48" in.(depth) Number of bedrooms(or GPD):5 I 2 Conveyance Method : Gravity Distribution method (specify): Gravity 3o Dispersal system basis Table 5.4_ LGMI required? No (Yes/No) Effluent quality required: Primary (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 412 _ Total trench bottom area required: 2060 C Area Calculations Number of trenches 7 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 54' 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 GRETCHEN M.BINARD WATKINS ' 100' ! REVOCABLE TRUST AGREEMENT ..• D.0.3920.540 $ T AM . ,,� PLA T I BUFE 0. . ,,. in AC C N. I ,``�.,,. • • .....4L § •. .•. . :ST1R00FA.M :: :: ` FDLSBUFER 12.40' SET PROPOSED RESERVE/ '`* :; 4* DRAIN FIELD / SYA MISTING DRAIN ;.� • • • ! SfANt ' ' / 4�..+( 6„1 11717. I• 11 4 XISr1NG HOUSE , FE Is EXISTING WELL o (APPROX.) • :':.�'. •I� (APPROX.) `.,,-...j M / T.$.9 'iie '+, , - . r37. * E • / HUGS R. YQAMTMOLFREY STREAM .. D. 20 ER • •: 0 .•0. RESIDUE* . .+/- ACRES .;; • 12.26 AC. 0C -0.50 AC. ..::.:::::' i a (1/2 A' . : R VA TI' T, � � YI N J�tE STATE ROUTE 664 ..� PA�� A BETTY D. (30'PRE� P �T) ti� ii.7S AC. O.H.� ". �; ,, T7 ON SHEET SEE �..Nsz. ./ PARCEL, X �� ► ' CEMETERY q2 1 R.'` ''''r SCNtNIB 9.1lENT ' ROCK WALLgr � 0.8.1188-i34 DLAT Ats1EXISTING WSW. PROPOSED HOUSE ' 1" �r(APPROX.) ITE S •2. . 'DEDICATION ... 21'46' 4v PROPOSED RESERVE F f. 1Q . "` PLAT `� «46 • DRAIN FIELD JAWS E.SMIFF'L.OTTB TY H.( III / i .. ..., �► .448-3 0.8.418-440R PLAT 1° '. Scale 1".•200' Soil Profile Hole N23•is' 1' PROPOSED WEt,I. ()POSED PRIMARY House,Well and Drain Field Sites 338.94 SITS (* DRAIN FIELD Residue 'ATE A Division of Tax Map 9-11B PTIitE EASEMENT tttt Albemarle County Virginia ROD off' t t Steve Gooch Consulting Geologist 44, .u', .. t t PIPE 703 Oliver Creek Road *114 \t FOUNO 3, Troy,Virginia 22974 • '� FOR - , REVIEW