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HomeMy WebLinkAboutSUB201400194 Assessment - Environmental 2015-01-07 QIpplb)mgr;,,, a&kid Soils Study for Drain Field Sites Lot A6D A Division of Lot A6-R Bundoran Farm Albemarle County Prepared for: Bundoran Farm,LLC c/o Natural Assets 123 East Main Street Charlottesville,VA 22902 Prepared by: Steve Gooch Consulting Geologist,Inc. 703 Oliver Creek Road Troy, Virginia 22974 January 7, 2015 Page 1 of 8 OSE/PE Report for: 1 Construction Permit ' Certification Letter [] Subdivision Approval IN Property Location: 911 Address: City: Lot A6D Section Subdivision Bundoran Farm GPIN or Tax Map# 86-35 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Bundoran Farm, LLC do Natural Assets Street: 123 East Main Street 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 1/7/15 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): Anstruction permit❑ certification letter subdivision approval 5 be(select one)issued ra denied U i OSE/PE Signature -€1fQ_ Date /171/5 Soil Profile Pale. 2. oF--.7 Primary Drain Field Lot A6D A Division of Lot A6-R Bundoran Farm Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-7 A Very dark gray(10YR 3/1) sandy loam 2 7-14 BE Yellowish red(5YR 5/8) sandy clay loam 2 14-35 Bt Red(2.5YR 5/8)clay loam 3 35-53 BC Reddish brown(2.5YR 4/4) sandy clay loam 2 53-84 C Brownish yellow(10YR 6/8) sandy loam 2 2 0-8 A Brown(7.5YR 4/2)clay loam 3 8-37 Bt Red(10R 5/8) silty clay loam 3 37-60 BC Red(10R 5/8) silty clay loam and yellow(10YR 7/8)loam 3 schist saprolite 60-84 C Dark yellowish brown(10YR 4/6) loam 2 3 0-8 A Brown(7.5YR 4/2)clay loam 3 8-34 Bt Red(10R 5/8) silty clay loam 3 34-54 Cl Dark red(2.5YR 3/6) sandy loam 2 54-84 C2 Yellowish red(5YR 5/8) sandy loam 2 6 0-2 A Very dark gray(10YR 3/1) sandy loam 2 2-18 BE Light brown(7.5YR 6/4) sandy loam 2 18-48 Bt Red(10R 5/8) silty clay loam 3 48-66 BC Red(1OR 5/8) silty clay loam and yellowish red 3 (5YR 5/8) sandy loam 66-84 C Yellowish red(5YR 5/8) sandy loam 2 7 0-8 A Dark grayish brown(10YR 4/2) sandy loam 2 8-17 BE Brown(7.5YR 5/4) sandy clay loam 2 17-34 Bt Red(10R 5/8) silty clay loam 3 34-54 CB Yellowish red(5YR 5/8) sandy loam and red (2.5YR 5/8) 2 clay loam 54-84 C Yellowish red(5YR 5/8) sandy loam 2 Page '7 of 7 Appendix 2 Soil Summary Report GENERAL INFORMATION Date 1/7/15 Submitted to Albemarle County Health Department Applicant Bundoran Farm LLC Telephone Number (540) 968-1605 Address do Natural Assets 123 East Main Street Charlottesville, VA 22902 Owner same Address same Location Bundoarn Farm Subdivision off Edge Valley Road Tax Map 86-35 Subdivision Bundoran Farm Block/Section Lot A6D SOIL INFORMATION SUMMARY- Pn,lvtn Dot& r de0 1. Position in landscape satisfactory? X Yes No Describe side slope 2. Slope 12 % 3. Depth to rock or impervious strata: Max. Min. None x 4. Depth to seasonal water table(gray mottling or gray color) X No Yes inches S. Free water present X No Yes range in inches 4".".6. Soil percolation rate estimated X Yes Texture group I II ® IV No Estimated rate 65 min/inch 7. Permeability test performed Yes X 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. Position in landscape subject to flooding or periodic saturation. 2. Insufficient depth of suitable soil over hard rock. 3. Insufficient depth of suitable soil to seansonal water table. 4. Rates of absorption too slow. 5. Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. Proposed system too close to well. 7. Other Specify Now- (attach additional pages if necessary) )2cA6e_ T 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, ❑ only the reserve area(check one)for_Lot A6D —A Division of Lot A6 Bundoran Farm(Property ID). Design Basis Total length of available area: 120' +55' Total width of available area: 90' Estimated Pere.Rate: 65 at 54" 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(6 100'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 Soil Profile 1900A_ C (4-: 7 Reserve Drain Field Lot A6D A Division of Lot A6-R °Air, Bundoran Farm Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 4 0-4 A Very dark gray(10YR 3/1) sandy loam 2 4-14 BE Yellowish red(5YR 5/8) sandy clay loam 2 14-70 Bt Red(10R 5/8) silty clay loam 3 70-84 CB Yellowish red(5YR 5/8) sandy loam and red(10R 5/8) 3 silty clay loam 5 0-5 A Very dark gray(10YR 3/1) sandy loam 2 5-15 BE Light brown(7.5YR 6/4) sandy loam 2 15-40 Bt Red(10R 5/8)silty clay loam 3 40-66 BC Red(2.5YR 5/8) sandy clay loam 2 66-84 C Yellowish brown(10YR 5/8) sandy loam 2 6 0-2 A Very dark gray(10YR 3/1) sandy loam 2 2-18 BE Light brown(7.5YR 6/4) sandy loam 2 18-48 Bt Red(10R 5/8) silty clay loam 3 48-66 BC Red(10R 5/8) silty clay loam and yellowish red 3 (5YR 5/8) sandy loam 66-84 C Yellowish red(5YR 5/8) sandy loam 2 Page of a Appendix 2 Soil Summary Report GENERAL INFORMATION Date 1/7/15 Submitted to Albemarle County Health Department Applicant Bundoran Farm LLC Telephone Number (540)968-1605 Address do Natural Assets 123 East Main Street Charlottesville,VA 22902 Owner same Address same Location Bundoarn Farm Subdivision off Edge Valley Road Tax Map 86-35 Subdivision Bundoran Farm Block/Section Lot A6D SOIL INFORMATION SUMMARY y � e Oa(tut Reg 1. Position in landscape satisfactory? x Yes No Describe side slope 2. Slope 14 % 3. Depth to rock or impervious strata: Max. Min. None X 4. Depth to seasonal water table(gray mottling or gray color) X No Yes inches 5. Free water present X No Yes range in inches 6. Soil percolation rate estimated x Yes Texture group I II 0 IV No Estimated rate 80 min/inch 7. Permeability test performed Yes X No If yes, note type of test performed and attach X Site Approved: Drainfield to be placed at 66" depth at site designated on permit. Site Disapproved: Reasons for rejection: 1. Position in landscape subject to flooding or periodic saturation. 2. Insufficient depth of suitable soil over hard rock. 3. Insufficient depth of suitable soil to seansonal water table. 4. Rates of absorption too slow. 5. Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. Proposed system too close to well. 7. Other Specify S..r (attach additional pages if necessary) Pco. 7 S-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 ❑ primary and reserve area, ❑ only the primary area, [i'only the reserve area(check one)for Lot A6D —A Division of Lot A6 Bundoran Farm(Property ID). Design Basis Total length of available area: 120' Total width of available area: 30' _ Estimated Pere.Rate: 80 at 66" in.(depth) Number of bedrooms(or GPD): 4 1 2 Conveyance Method : Gravi 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: 268 Total trench bottom area required: 1072 Area Calculations Number of trenches 4 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 30' trench bottom area provided: 1200 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 N. \ FARM DRIVE - ' N § Pc-LI e (401 Pilvcde) / / i I 7" . \ / / / \b- Lot A IMP Mark Si se• and Ren 1 140•48. 3 I j I.F. .16'in D.B. 4461 I �� D.B. 4466 i pp. 481-4 9, 1 .r_.2e' I.F. #,8 11,,z-- .t - „1f -.. \ 1 u 1 Lot A6—R \o"1 0-1 t' El. MD TMP 86-35 (e► \ 1.., .0:� : I IA Bundoran Farm LLC \:^ _ .• . - 4, - D.B. 4466 p 479, 1 \ !. ` . - .#t• 0 pp. 481-483 (plat) \Z \ #' 1-- � - A `� �' Iw . . 75.0. Wie S4tbac;i.. 3 • to , i .1 J ■+► �eoc / / .. -- fiel-a .. I.S. i i 23'' 1�y6• _ cn cv / , / ' . ` i / I 1 1 NN,... ■ N, I 1 20' Drainage Easements NA Bundoran Farm. LLC ! I See D.B. 3486 p. 142 (plat) N 1 w i �. 1 Z,s Z',- , / / ��� Scale 1"= 100' •- Soil Profile Hole I V House, Well and Drain Field Sites - — -1 Lot A6D I.F. A Division of Lot A6-R Bundoran Farm Albemarle Coun , Vir_inia Steve Gooch Consulting Geologist 703 Oliver Creek Road Tro , Vir:inia 22974 Drain Field Site Lot A6 (Residue) Bundoran Farm Albemarle County There is a drain field site located on Lot A6. This site was identified by Afton Soil Consulting LLC in 2006 as part of the subdivision plat approval process. The soils report is on file at the Albemarle County Health Department. C + iw /r7 • ',\ ,,..,_ — LO A4 + .544 AC ', ``' AC. v f�--- --___ taw �+ ;: + LOT A5 '♦ , � , '� ,� tip` ,�° 23.177 AC. '/ F (21.00 AC)`� �� ,I, '��4 ---- 1 '( 40 /L /40, TS , N. ... , + '++ /// / _ + + , 1 • `.t.‘ ‘ I , , ,gyp + %air Proposed Drain Field Site rP // / ' Afton Soil Consulting,LLC �`' }v:6 5 D�P� S� 5 AC 2006 report) - `'%% LOT A14 22.192 AC. �.. ° .V - + _ �/ - - ---__-•ii i-- isi''•.k..2.„ ,,_...,........____...-Ir.-1 Ir.„_____________,——— ____._.--_ 83-- �S� �� , R ` — d1a .∎ . II / 010 S -� , N. e\ -. /it % , ,LI-11=i . , , „' �+ i , t iP--_- _ '_ ,�' 64,902 �' ;r - A6-D aJ. Bundoran Farm Existing Conditions Nardi 242014