Loading...
HomeMy WebLinkAboutSUB202000072 Study 2020-02-13 Shenandoah Soil Consulting,LLC 1 5 SHENAND 01 P.O.Box 192,Wolftown,VA 22748 Page of '; • (540)383-568o OSE/PE Report For: LIConstruction r Repair Voluntary Upgrade ri Certification •^ Subdivision Permit Permit Permit Letter — Approval Property Location: 911 Address: 2390 Rose Hill Church Lane City: Charlottesville Lot 1 Section Subdivision GPIN or Tax Map# 93-11 Lot 1 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: June Bates Street: P.O. Box 6989 City: Charlottesville State VA Zip Code 22906 Prepared by: OSE Name Michael L. Stroble License# 1940001477 Address P.O. Box 192 City WOlftown State VA Zip Code 22748 PE Name License# Address City State Zip Code Date of Report 2/13/2020 Date of Revision#1 OSE/PE Job# 190018 Date of Revision#2 Contents/Index of this report(e.g.,Site Evaluation Summary,Soil Profile Descriptions,Site Sketch,Abbreviated Design,etc.) Page 1: OSE Certification Page 4: Survey Location of Drainfield & R/A Page 2: Site & Soil Evaluation Summary Page 5: Abbreviated Design Page 3: Soil Evaluation Notes Attachment: Copy of Subdivision Survey Plat Certification Statement I hereby certify that the evaluations and/or designs contained herein were conducted in accordance with the applicable provisions of the Sewage Handling and Disposal Regulations(12 VACS-610),the Private Well Regulations(12 VAC5-630),the Regulations for Alternative Onsite Sewage Systems(12VAC5-613)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. tiThe 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.A.11 I recommend that a(select one): construction permit [❑certification letter 0 subdivision approval :be(select one) Issued (Cd repair permit Elvoluntary upgrade I] Denied ❑ /� OSE/PE Signature v� Date e/Z5/262.0 This form contains personal information subject to disclosure under the Freedom of Information Act. Revised 12/1/2014 Page 2 of 5 Site and Soil Evaluation Report VDH Use Only HDIN: General Information Date: 5/2/2°19 Albemarle County Health Department Client: June Bates Phone: (434) 242-6162 Client Address: P.O. Box 6989, Charlottesville Property Address: 2390 Rose Hill Church Lane, Charlottesville Tax Map/GPIN#: 93-11 Lot 1 Subdivision: Section: Block: Lot: 1 Soil Information Summary 1. Position in landscape satisfactory: B Yes 0 No Describe landscape position: Sideslope 2. Slope: 7 - 8 % 31" - 50" inR/A 3. Depth to rock/impervious strata: Max. 44 in. Min. 24 in. 0 Not observed 4. Free Water Present: 0 Yes 0 No Range in inches: 5. Depth to seasonal water table(gray mottling or gray color): inches 8 Not observed 6. Soil percolation rate estimated: B Yes 0 No Estimated rate: 90 min/in at 12 inches depth Texture Group: 0 I 0 II E III 0 IV 7. Percolation test performed: El Yes El No If yes, provide additional data on percolation test results. Name and title of evaluator: Michael L. Stroble, AOSE Signature: El Site approved: Absorption Trenches (describe dispersal area,e.g. absorption trenches)dispersing Septic Tank Effluent (proposed level of treatment at time of evaluation)to be placed at 12 (inches)depth at site designated on permit. Site provides a total of 12,060+ square feet of absorption area for proposed reserve area only. ® Site disapproved: Reasons for rejection(check all that apply) 1. 0 Position in landscape subject to flooding or periodic saturation. 2. 0 Insufficient depth of suitable soil over hard rock. 3. 0 Insufficient depth of suitable soil to seasonal water table. 4. 0 Rates of absorption too slow. 5. 0 Insufficient area of acceptable soil for required absorption area, and/or reserve area. 6. 0 Proposed system too close to well. 7. ❑ Other(specify) This form contains personal information subject to disclosure under the Freedom of Information Act. Revised 12/1/2014 Page 3 of 5 Date of Evaluation: 5/2/2019 Profile Description SOIL EVALUATION REPORT Property ID: 93-11 Lot 1 Where the local health department conducts the soil evaluation the location of profile holes may be shown on the schematic drawing on the construction permit or the sketch submitted with the application. If soil evaluations are conducted by a private Onsite Soil Evaluator or Professional Engineer, location of profile holes and sketch of the area investigated including all structural features(i.e.sewage disposal systems,wells,etc.)within 100 feet of the site and reserve site shall be shown on the reverse side of this page or prepared on a separate page and attached to this form. 8 See a-wlication sketch ❑ See Construction Permit 0 See sketch on reverse side or page attached to this form. Hole# Horizon Depth Description of color,texture,etc. Texture (Inches) Group TP-1 A 0-7 5YR 4/6 yellowish red Heavy Silt Loam friable, roots,SBK III Reserve Bt 7-29 1OR 4/8 red Silty Clay Loam friable,some roots,some small schist channers&Qtz gravels,WSBK III BtC 29-35 1 OR 4/8 red Silty Clay Loam friable,some roots,WSBK to WABK III Cd/Cr 35-48 10R 4/8 red Channery Silty Clay Loam friable to somewhat dense,few roots, III massive to rock-controlled structure,schist stringer in a sidewall @ 24" TP-2 AE 0-10 5YR 5/6 yellowish red Heavy Silt Loam friable, roots, SBK III Reserve Bt 10-31 2.5YR 4/8 red Silty Clay Loam friable,some roots,some small schist channers&Qtz gravels,WSBK III BtC 31-50 10R 4/8 red Silty Clay Loam friable,some roots,some schist channers,WSBK,stringer @ 33",yellow litho III TP-3 AE 0-6 5YR 4/6 yellowish red Heavy Silt Loam friable, roots,SBK III Reserve Bt 6-31 10R 4/8 red Silty Clay Loam friable,some roots,some small schist channers&Qtz gravels,WSBK,Cr @ 31" III TP-4 AE 0-6 5YR 4/6 yellowish red Heavy Silt Loam friable, roots,SBK III Primary Bt 6-26 10R 4/8 red Silty Clay Loam friable,some roots,some small schist channers&Qtz gravels,WSBK III Cr 26-39 weathered schist TP-5 AE 0-6 5YR 5/6 yellowish red Heavy Silt Loam friable, roots,SBK III Primary Bt 6-30 2.5YR 4/8 red Silty Clay Loam friable,some roots,some small schist channers&Qtz gravels,WSBK III BtC 30-44 1OR 4/8 red Silty Clay Loam friable,some roots,WSBK,yellow lithochromic variegation,Cr @ 44" III TP-6 AE 0-7 5YR 4/6 yellowish red Heavy Silt Loam friable, roots,SBK III Primary Bt 7-24 1OR 4/8 red Silty Clay Loam friable,some roots,some small schist channers&Qtz gravels,WSBK III BtC 24-38 10R 4/8 red Channery Silty Clay Loam friable,some roots,WSBK,schist stringer in sidewall @ 24" III Cr 38-41 weathered schist REMARKS: Overall,soils evaluated across the proposed drainfield and reserve area were observed to be well drained, but exhibit a wavy boundary with the underlying metamorphic Cr This form contains personal information subject to disclosure under the Freedom of Information Act. Revised 12/1/2014 \, / Page 4 of 5 SUBDIVISION DRAINFIELD \ & RESERVE LOCATIONS \, -� " V, Client: June Bates 6�•�, �� Address: 2390 Rose Hill Lane ti sue, Charlottesville, VA 22902 Tax Map: 93-11 Lot 1 C 00 LEGEND MCP. -0) ^\\\ 0Oe . Potential IIIC Well � `s, 0Soil Test Pit � \\ 0' Approximate Location ''// \` 5 D/F Corner Stake ` (" \ 9 �\ ` �0 �g ' LOT 1 2.50 ACRES u, • / 6, ks, lP -o `• B •` • • B 5 • %, Slope „, ;© • � , \ \ 43 \ o � � PR � a ' o� � RY 1--•�' `\ \ '\ ` n Slope \j .\\,_ vB \ / , ,.) 100'+To Offsite 0 Potential G' ` 4BR Sy - �' Existing Well wo `\('% 101' , ,�;�0° co\ 100+ \ / ,p / �\ \ 9 \ RESIDUE: \\�,�' �, ,�4• o TVP 93- 11 R T OLD ACREAGE: 10.66 ACRES / H co LESS LOT 1: 2.50 ACRES J� NEW ACREAGE: 8.160 ACRES GRAPHIC SCALE: No other potential pollution Project No. i" =8o' sources or receptacles were 'A,H DRAWN M SY 190018 identified within 200' of the SH1-44Sitio, NM MN proposed well and septic ► "�""�`Q"` € DATE: p p2/13/2020 o' 40' so' systems, respectively. 1414407.-00/ Page 5 of 5 Design Calculations PRIMARY Site, Lot 1 DRIP DISPERSAL WITH TL-2 EFFLUENT Design Basis A. Estimated Percolation Rate 90 @ 12" B. Square footage 833 (150GPD/0.18 GPD PER SQ. FT.) Required per bedroom Based on ❑Gravity ❑ LPD MOther: TL-2 EFFLUENT TO DRIP DISPERSAL, PER 12 VAC 5-613-10,REGULATIONS FOR ALTERNATIVE ONSITE SEWAGE SYSTEMS AND GMP'S 147, 107. C. Number of bedrooms 4 Area Calculations D. Length of lines (ft.) 50 E. Length of available area(ft.) 100 F. Width of trench(in) 2 G. Number of lines 40 H. Center-to-center spacing (ft.) 2 I. Width required(ft.) 40+ J. Width of available area(ft.) 75+ (contour flare) K. Slope Increase Factor (%) -- L. Total square footage required 3,333 (0.18 sqft/4BR) M. Square footage in design 4,000 (7,500+provided) N. Reserve Area Required? Yes, Drip Irrigation reserve area provided.