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HomeMy WebLinkAboutSUB201700129 Study 2017-12-21 Steve Gooch STEVE GOOCH spgooch.geologist@gmail.com C.P.G./O.S.E CONSULTING GEOLOGIST, INC. Phone: 434-531-0487 703 Oliver Creek Rd. Troy,Virginia 22974 December 21, 2017 Rachel Falkenstein, Senior Planner County Of Albemarle Dept. Of Planning and Community Development 401 McIntire Rd Room 227 Charlottesville,VA 22902-4579 Re: Proposed Drain Field Site Residue A Division of Tax Map 32-22K North Pointe Albemarle County Dear Ms. Falkenstein: Enclosed are three (3) copies of the soils work associated with the proposed drain field sites for the above-referenced property. We request that you forward two (2) copies to the Charlottesville-Albemarle Health Department for their review. Also enclosed is the application for subdivision review form. If you have any questions,please do not hesitate to call. Sincerely, Steve Gooch Consulting Geologist, Inc. "1-&-(1A- Steve Gooch Encl. RECEIVED DEC 2 2 2017 COMMUNITY DEVELOPMENT 1 C ommonwealth of Virginia VDH Use Only Health Department ID# Application for Subdivision Review Due Date (Page 1 of 2 to be filled out by the Owner or Agent) Owner Neighborhood Investments,NP LLC Phone Mailing Address 810 Catalpa Court Phone Charlottesville,Virginia 22903 Fax Developer/Agent Steve Gooch,Consulting Geologist Phone (434)531-0487 Mailing Address 703 Oliver Creek Road Phone Troy,VA 22974 Fax AOSE Steve Gooch Phone (434)531-0487 Mailing Address 703 Oliver Creek Road Phone Troy,VA 22974 Fax Directions to Property: From Charlottesville take Rt.29 North(Seminole Trail)to 4005 Seminole Trail on right Name of Proposed Subdivision Tax Map 32-22K Other Property Identification North Pointe Dimension/Acreage of Property 39.99Ac. Number of lots proposed 2 Proposed water source(note:new or existing,public or individual) existing,public General size of lots 2.429 Ac.&37.561 Ac. (give range if appropriate) Additional description of subdivision Overview of soils and geology(optional but encouraged) In order for VDH to process a subdivision application you must attach a plat of the property showing the location of the proposed onsite sewage disposal systems and the reserve absorption areas(if required)and the location of the water supply system on each lot,if applicable. Each plat or subsection of a subdivision shall be accompanied by specific soil information for each lot(absorption area and reserve area). If not provided by the local subdivision ordinance,the district or local health department may require the plat to show streets,utilities,storm drainage,water supplies,easements,lot lines,and original topographic contour lines by detail survey or other information as required. When the AOSE site evaluations are reviewed,the property lines,building location and the proposed well and sewage system sites must be clearly marked and the property sufficiently visible to see the topography,otherwise this application will be denied. I give permission to the Virginia Department of Health(VDH)to enter onto the property described during normal business hours for the purpose of processing this application and to perform quality assurance checks of evaluations and designs certified by an Authorized Onsite Soil Evaluator(AOSE)or a Professional Engineer(PE)as necessary until the sewage disposal system has been constructed and approved. lz/zr jl Signature of Owner/Agent Date Commonwealth of Virginia VDH Use Only Health Department ID# Application for Subdivision Review Due Date (page 2 of 2 to be filled out by the county official requesting a VDH review) County Office initiating request Contact Individual Phone Local offices of the Virginia Department of Health may review subdivision applications for compliance with state rules and regulations governing sewage treatment and dispersal and private water supplies,compliance with local ordinance governing sewage treatment and dispersal and private water supplies and potentially for compliance with other local ordinances. Please indicate the nature of review you are asking the health department to conduct. 1. Review for conformance with the Sewage Handling and Disposal Regulations 2. Review for conformance with local onsite wastewater ordinances 3. Other(describe below) Name and title of requestor Date OSE Form F Revised 7/02/09 Soils Study for Reserve Drain Field Site Residue A Division of Tax Map 32-22K North Pointe. Albemarle County SUB2017-129 r 1 Prepared for: Neighborhood Investments,NP LLC 810 Catalpa Court Charlottesville, VA 22903 Prepared by: Steve Gooch Consulting Geologist,Inc. 703 Oliver Creek Road Troy,Virginia 22974 December 21, 2017 Page 1 of 7 OSE/PE Report for: Construction Permit 121 Certification Letter Subdivision Approval Ei Property Location: 911 Address: 4005 Seminole Trail City: Lot Residue Section Subdivision GPIN or Tax Map# 32-22K Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Neighborhood Investments, NP LLC Street: 810 Catalpa Court City:Charlottesville State VA Zip Code 22903 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 12/21/17 Date of Revision#I 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 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. 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 ' I recommend that a(select one): c nstruction permit❑ certification letter subdivision approval ✓❑ be(select one)issuedi denied . OSE/PE Signature 4' '-ette- Aglerat - Date /ZI Zt/t7 ?C4k t Z ? Soil Profile Reserve Drain Field Residue A Division of Tax Map 32-22K 4005 Seminole Trail Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group Pad#1 1 0-3 A Dark gray(10YR 4/1) sandy loam, friable 2 3-54 C Light olive brown (2.5Y 5/6) sandy loam, massive, friable 2 25%weathered schist fragments below 42" 54- Cr 50%+schist fragments 2 0-3 A Dark gray(10YR 4/1) sandy loam, friable 2 3-72 C Brown(10YR 5/3) sandy loam,massive, friable 2 3 0-2 A Dark gray (10YR 4/1)sandy loam, friable 2 2-12 Bt Red(2.5YR 5/8) clay loam, friable 3 12-30 C1 Reddish brown (2.5YR 5/4)loam, massive, friable 2 30-72 C2 Yellowish brown(10YR 5/8) sandy loam,massive, friable 2 Pad#2 4 0-3 A Dark gray(10YR 4/1) sandy loam, friable 2 3-35 Bt Reddish brown(2.5YR 5/4) clay loam, friable 3 35-84 C Yellowish brown(10YR 5/8) sandy loam,massive, friable 2 5 0-4 A Dark gray(10YR 4/1) sandy loam, friable 2 4-37 Bt Reddish brown(5YR 5/4) clay loam, friable 3 37-84 C Strong brown(7.5YR 5/8), light yellowish brown 2 (10YR 6/4) sandy loam,massive, friable 6 0-8 A Brown(7.5YR 5/4)clay loam, friable 3 8-31 Bt Reddish brown(2.5YR 5/4) clay loam,friable 3 31-84 C Light yellowish brown(10YR 6/4) sandy loam,massive, 2 friable Note: The combined area of Pads 1 and 2 provide 200%reserve for the existing 2 bedroom house page 3 of Appendix 2 Soil Summary Report GENERAL INFORMATION Date 12/10/17 Submitted to Albemarle County Health Department Applicant Neighborhood investments, NP LLC Telephone Number Address 810 Catalpa Court Charlottesville,VA 22903 Owner same Address same Location 4055 Seminole Trail Tax Map 32-22K Subdivision Block/Section Lot Residue SOIL INFORMATION SUMMARY 'rAD 41(5u%RESERVE) 1. Position in landscape satisfactory? Dt Yes r No Describe crest of ridge 2. Slope '1 % 3. Depth to rock or impervious strata: Max 72"+ Min. 54" None 4. Depth to seasonal water table(gray mottling or gray color) 1 No r Yes inches =ree water present Ig No r Yes range in inches o. Soil percolation rate estimated IX Yes Texture group I ©1 III IV r No Estimated rate 45 min/inch 7. Permeability test performed r Yes 1x No If yes, note type of test performed and attach R. Site Approved: Drainfieid to be placed at 36-44" depth at site designated an permit. r Site Disapproved: Reasons for rejection: 1. r Position in landscape subject to flooding or periodic saturation. 2. E Insufficient depth of suitable soil over hard rock. 3. E Insufficient depth of suitable soil to seansonal water table. 4. 1 Rates of absorption too slow. 5. r Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. A r Proposed system too close to well. ( Other Specify (attach additional pages if necessary) pedv.. 4 of-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 0 primary and reserve area, ❑ only the primary area, C?only the reserve(090. area(check one)for Residue—A Division of TM 18-41A(Pad#1) Design Basis Total length of available area: 18' Total width of available area: 24' Estimated Pero.Rate:_45 at_36-44"* 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:_Advanced Secondary(TL 3) (Primary, Secondary,Advanced Secondary) Square feet per bedroom: 203 Total pad bottom area required: 812 Install at 36"on low side of pad and 44"on high side of pad(8"fall across pad) ' Area Calculations ' Number of pads 1 Length of pad: 18' Width of pad: 24' Center to center spacing:n/a Reserve required? This is 50%reserve**_ Percent reserve area required: 200 Total width of absorption area required 24' trench bottom area provided: 432 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. **The combined area of Pads 1 and 2 provide 200%reserve for the existing 2 bedroom house Page of AOSE Form E Revised July 18,2007 Page of _1 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 12/10/17 Submitted to Albemarle County Health Department Applicant Neighborhood Investments, NP LLC Telephone Number Address 810 Catalpa Court Charlottesville,VA 22903 Owner same Address same Location 4055 Seminole Trail Tax Map 32-22K Subdivision Block/Section Lot Residue SOIL INFORMATION SUMMARY PAn#i RESERVE) 1. Position in landscape satisfactory? IX ,Yes [` No Describe crest of ridge 2. Slope 8 % 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 ;Free water present iX No r Yes range in inches 6. Soil percolation rate estimated IR Yes Texture group I Ill IV r No Estimated rate 45 min/inch 7. Permeability test performed r Yes Ix No If yes, note type of test performed and attach 15? Site Approved: Drainfield to be placed at 48-70" depth at site designated on permit. 1` Site Disapproved: Reasons for rejection: 1. r Position in landscape subject to flooding or periodic saturation. 2. fl Insufficient depth of suitable soil over hard rock. 3. f 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. I— Proposed system too close to well. r Other Specify (attach additional pages if necessary) pciyG60F7 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, [ only the reserve(col, area(check one)for Residue—A Division of TM 18-41A(Pad#2) Design Basis Total length of available area: 20' Total width of available area:_ 26' Estimated Perc.Rate:45 at 48-72"* in. (depth) Number of bedrooms(or GPD): 2 1 2 Conveyance Method : Pump Distribution method (specify): Pump_ 3c Dispersal system basis GM'? 118A LGMI required? No (Yes/No) Effluent quality required: Advanced Secondary(TL 3)_(Primary, Secondary,Advanced Secondary) Square feet per bedroom: 203 Total pad bottom area required: 812 Install at 48"on low side of pad and 70"on high side of pad(22"fall across pad) ' Area Calculations Number of pads 1 Length of pad:_l8' Width of pad: 24' Center to center spacing: n/a Reserve required? This is 50%reserve ** Percent reserve area required: 200 Total width of absorption area required 24' Total trench bottom area provided: 432 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. **The combined area of Pads 1 and 2 provide 200%reserve for the existing 2 bedroom house Page of AOSE Form E Revised July 18,2007 • Pu >L ? e.i-7 • _ 1'�,, i ' -- - - •= •.r . _ •• • °� Scale 1"=50' x- Soil Profile Hole -gs OPEN SPACE A " . - - • •• . .. , -- i ; �, House and Drain Field Sites 13? N N i c co ; 9.928 AC. %: a• �� • . :.v . ' Residue C 2 E.>q-B a i kt Q. •. - ( ,-•-' A Division of Tax Map 32-22K C (D °- q d$ ; '.. =j:...` —...�.,:_ i_,.� ' • - _ _ • • Albemarle County,Virginia 0 m i r %:•. , % - :�. =' Steve Gooch Consulting Geologist �- r I' + •' 1." =i• .' _ . = -- '. .'� .• -•�..:.: 61--ei ' ' 703 Oliver Creek Road '- -" i ; , o `: '14 ' Troy,Virginia 22974 0 LLI i °� ''•� r 1.13' _, lh5 _ •-L16 . - .__'•'_\0� 4 a ��► VDOT ME l "t P;�' • � D .� •: ` o a • • • % • kCot \ 4 `�,�: -% `_ •'�. .o kiiii. a�i ear®s i •.% e3" - • .:A 00 YEAR-FLOODPLAIN. 1 �A.TH OF N1018'S0'E 78.16'( r �\ '•,.. - ' - �'PG, I `� EXISTING 4 �' i .....c 2 BR i (APPROX• .)HOUSE j... .. i ,• . . W.D.SEWARD ..:'• • .. •. I! • LiGNO.1934 i i s 12-14-2017 l.•.:. . (440 fie" RESIDUE '�; . • -, S Ug'J TIP 32-22K ,./ ., . - -.. °? 1 2.429 AC. _ �..�_:..�: i'x od O > 426.422 OF 1 OF 2 !�I cz y \ N j -426 DF SPOT/ '6 •V :g ao®o CNI UOn w a i • . . _.: -,s 100' STREAM a P4 w E" 4 03 EXISTING 426.4655 PAD#1(50%RESERVE l ' BUFFER I e... DRAIN FIELD) • :=--= e • 5� 7`� OF 6 i - / �`'�� • / ca P� o , I A dF SPOT// ---DF SPOT 266.77' • - • - 6 4 N6328'05'w 1,094.89' F-, d •-.• F WM PAD#2(50%RESERVE DRAIN FIELD) ' , �' 1. THIS PLAT HAS BEEN PREPARED WITHOUT THE BENEFIT OF A TITLE REPORT AND LEGEND 'IN Qi o YDOT MF WM DOES NOT THEREFORE NECESSARILY INDICATE Ni ENCUMBRANCES ON THE 716.09' IF IRON PIN FOUND ��- 1 MF" MONUMENT FOUND t �! -5.52 i PROPERTY SHOWN HEREON. � PF PIPE FOUND '� .�, �T DRAM 1 2. THIS PLAT HAS BEEN PREPARED FROM AN ACTUAL FIELD SURVEY DONE AS PER . THE DATE OF THIS PLAT USING MONUMENTS FOUND TO EXIST AT THE TIME OF VS DF DRAIN FIELD Q �� BR SURVEY. THERE ARE NO VISIBLE EASEMENTS OR ENCROACHMENTS EXCEPT AS I WM WATER METER cAVi SHOWN. 3. A PORTION OF THE AREA SHOWN HEREON IS LOCATED IN ZONE "AEI' AREA 50 0 50 100 150 ca DETERMINED TO BE WITHIN 100 YEAR FLOOD PLAIN AS SHOWN ON fEMA MAP NO j m•aaiisoa•mommima 0 I OF 1 - WI 1 51003C0145D. EFFECTIVE DATE 2-4-2OO5.-AS-SHOWN GRAPHICALLY HEREON. AN SCALE: 1"=50' `' Aneonucn in nun rVICTc cno TUC DDADCDTV I PR(l7RC`T1J0_- 17_009