Loading...
HomeMy WebLinkAboutSUB201600053 Study 2016-03-12 "` rA EPROM Soils Study for Drain Field Sites Lots A-9 and A-9D A Division and Boundary Line Adjustment of TM 86-38 Albemarle County Prepared for: Bundoran Farm,LLC c/o Natural Assets 675 Peter Jefferson Place Suite 250 Charlottesville,VA 22911 Prepared by: Steve Gooch Consulting Geologist,Inc. 703 Oliver Creek Road Troy, Virginia 22974 March 12, 2016 Page 1 of 8 OSE/PE Report for: ttere Construction Permit l l Certification Letter E Subdivision Approval Property Location: 911 Address: City: Lot A-9 Section Subdivision Bundoran Farm GPIN or Tax Map# 86-38 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Bundoran Farm, LLC do Natural Assets Street: 675 Peter Jefferson Parkway Suite 250 City:Charlottesville State VA Zip Code 22911 Prepared by: 1940001284 OSE Name Steve Gooch License# Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# Address City State Zip Code Date of Report 3/12/16 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 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. © 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 Sore I recommend that a(select one): rcjqnstruction permit!: certification letter El subdivision approval ✓� be(select one)issued denied U. OSE/PE Signature (..e.JLAR, , �z'Z/( Date 3/I d16 Soil Profile Pair_ ZoF? Primary Drain Field Lot A-9 Bundoran Farm Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 7 0-8 A Light brown(7.5YR 6/4) sandy loam, friable 2 8-42 Bt Brown(7.5YR 5/4) sandy loam, friable w/gravel 2 42- - Gravel 8 0-4 A Light brown(7.5YR 6/4) sandy loam, friable 2 4-27 Bt Yellowish brown(5YR 5/8) sandy clay loam, friable 2 27-38 C Yellowish brown(10YR 5/8) sandy loam, friable w/gneiss 2 fragments 38- Cr 9 0-4 A Light brown(7.5YR 6/4) sandy loam, friable 2 4-36 Bt Strong brown(7.5YR 5/8)clay loam,friable 3 36-60 C Brownish yellow(10YR 6/8) sandy loam, friable w/gray 2 (10YR 5/1)mottles (redox) @ 48" 10 0-8 A Light brown(7.5YR 6/4) sandy loam, friable 2 8-39 Bt Brown(7.5YR 5/4) sandy loam, friable w/ gravel - 2 39- - Gravel 11 0-4 A Light brown(7.5YR 6/4) sandy loam, friable 2 4-36 Bt Strong brown(7.5YR 5/8) clay loam, friable 3 36-60 Bt2 Brown(7.5YR 5/4) clay loam, friable w/gray(10YR 5/1) 3 mottles (redox) 48" Slaw' Page 3 of I Appendix 2 Soil Summary Report GENERAL INFORMATION *o✓ Date 10/3/15 Submitted to Albemarle County Health Department Applicant Bundoran Farm LLC Telephone Number (540)968-1605 Address c/o Natural Assets 123 East Main Street Charlottesville, VA 22902 Owner same Address same Location Bundoran Farm Subdivision off Edge Valley Road Tax Map 86-38 Subdivision Bundoran Farm Block/Section Lot A"9 SOIL INFORMATION SUMMARY - prima07 t rot fl.p/f 1. Position in landscape satisfactory? R. Yes E No Describe shoulder to foot slope 2. Slope 23 % 3. Depth to rock or impervious strata: Max. 60"+ Min. 38" None 4. Depth to seasonal water table (gray mottling or gray color) I— No I5 Yes inches 48" illow„rree water present IX No 1 Yes range in inches 6. Soil percolation rate estimated IX Yes Texture group I II ID IV I� No Estimated rate 75 min/inch 7. Permeability test performed I— Yes 15 No If yes, note type of test performed and attach fx Site Approved: Drainfleld to be placed at 24" depth at site designated on permit. I— Site Disapproved: Reasons for rejection: 1. 1- Position in landscape subject to flooding or periodic saturation. 2. f 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 drainfield, and/or Reverse Area. I— Proposed system too close to well. 7. I- 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 liwie designs and when applying for a certification letter or subdivision approval. This abbreviated design covers the 0 primary and reserve area, gi-trily the primary area, 0 only the reserve area(check one)for Lot A-9 . Design Basis Total length of available area: 100' Total width of available area: 80' Estimated Perc.Rate: 75 at 24" in. (depth) Number of bedrooms(or GPD): 5 1 2 Conveyance Method : Sirvity 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: 255 _ Total trench bottom area required: 1275 �rr Area Calculations Number of trenches 5 Length of trenches: 100' Width of trenches:3' Center to center spacing: 11' Reserve required? Yes Percent reserve area required: 100 Total width of absorption area required 47' 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. Sow Page of AOSE Form E Revised July 18,2007 Soil Profile 12Q f` JSP Reserve Drain Field Lot A-9 err Bundoran Farm Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group A 0-3 A Reddish brown(5YR 5/4) clay loam, friable 3 3-21 Bt Red(10R 5/8) silty clay loam, firm 3 21-45 CB Yellowish red(5YR 5/8) sandy loam, friable w/red 2 (10R 5/8) clay loam 45-84 C Yellowish brown(10YR 5/8)sandy loam, friable 2 B 0-3 A Reddish brown(5YR 5/4) clay loam, friable 3 3-32 Bt Red(10R 5/8) silty clay loam, firm 3 32- Cr C 0-4 A Reddish brown(5YR 5/4) clay loam, friable 3 4-30 Bt Red(10R 5/8) silty clay loam, firm 3 30-45 Bt2 Red(2.5YR 5/8)clay loam, friable 3 45-64 BC Red(2.5YR 5/8) clay loam, friable w/brown(7.5YR 5/4) 3 sandy loam 64- Cr liamie D 0-3 A Reddish brown(5YR 5/4) clay loam, friable 3 3-24 Bt Red(1OR 5/8) silty clay loam, firm 3 24-33 BC Red(2.5YR 5/8)clay loam, friable w/brown(7.5YR 5/4) 3 sandy loam w/gneiss fragments 33- Cr E 0-4 A Reddish brown(5YR 5/4) clay loam, friable 3 4-34 Bt Red(10R 5/8) silty clay loam, firm 3 34-48 C Yellowish brown(10YR 5/8) sandy loam, friable w/gneiss 2 fragments below 36" 48- Cr F 0-4 A Reddish brown(5YR 5/4) clay loam, friable 3 4-28 Bt Red(10R 5/8) silty clay loam, firm 3 28-43 Bt2 Red(2.5YR 5/8)clay loam, friable 3 45-55 BC Red (2.5YR 5/8) clay loam, friable w/brown(7.5YR 5/4) 3 sandy loam w/gneiss fragments 55- Cr 4+✓ Page 6 of I Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/3/15 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 Bundoran Farm Subdivision off Edge Valley Road Tax Map 86'38 Subdivision Bundoran Farm Block/Section Lot A'9 SOIL INFORMATION SUMMARY - Rc erv.e_ Po( 1. Position in landscape satisfactory? rx Yes I` No Describe shoulder 2. Slope 20 3. Depth to rock or impervious strata: Max. 60" Min. 32" None 4. Depth to seasonal water table(gray mottling or gray color) IR No r Yes inches „ree water present IR No r Yes range in inches 6. Soil percolation rate estimated IR Yes Texture group I II 111 IV r No Estimated rate 85 min/inch 7. Permeability test performed r Yes No If yes, note type of test performed and attach IX Site Approved: Drainfield to be placed at 20” depth at site designated on permit. I— 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. Ir Rates of absorption too slow. 5. f Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. I" Proposed system too close to well. r Other Specify (attach additional pages if necessary) fQt ? vc--Y 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. blire This abbreviated design covers the 0 primary and reserve area, 0 only the primary area, Only the reserve area(check one)for_Lot A-9 . Design Basis Total length of available area: 100' Total width of available area: 50' Estimated Perc. Rate:85 at 20" in.(depth) Number of bedrooms(or GPD): 5 Conveyance Methods ., : _Ppm Distribution method (specify): Pump, 3c Dispersal system basis GMP 118A LGMI required? No (Yes/No) Effluent quality required: Secondary (Primary, Secondary,Advanced Secondary) Square feet per bedroom:_289 _ Total trench bottom area required: 1445 bkase Area Calculations Number of trenches 5 Length of trenches: 100' Width of trenches: 3' Center to center spacing: 11' Reserve required? Yes Percent reserve area required: 100 Total width of absorption area required 47' 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. Sole Page of AOSE Form E Revised July 18,2007 Pah yr A WELL SITE(3C) billow , 1\3 . coCQ .11 / \ t y , ,� '; 1. b0 �/ -.* �. i ' \ HDUSE SITE(5 BR)rrl Co '' \ k ,,, 1 PRIMARY DRAIN FIELD '� r'' 1 Ya^ (ENGINEERED) 0 01' �i/ I se% \ 4Iri F / AP ,/ - LL SITE(3C) I ROUSE SITE(5 BR) •��j,. RESERVE DRAIN FIELD `'4 427 4 (ENGINEERED) +y. \PUMFYDRMN FIELD (CONVENTIONAL)b co \ 4i, \ ' ••.. h.; A\ -A , \ \ k..- . . ' \\:\‘ 7 I, /9 °' �� \ , i kESERVE DRAIN FIELD , ' (ENGINEERED) a rn r C) 1' --- . ...___ \ ...--- ..__ W Scale 1"= 100' - Soil Profile Hole ` House,Well and Drain Field Sites • Proposed Lots A-9D and A-9 Nrot,, �"--47 --� A Division of Lot A-9 Bundoran Farm Albemarle County,Virginia i.- '" "-' —' Steve Gooch Consulting Geologist *' 703 Oliver Creek Road i Troy,Virginia 22974 Page 1 of 8 OSE/PE Report for: Construction Permit Certification Letter ► I Subdivision Approval Z.' Property Location: 911 Address: City: Lot A-9D Section Subdivision Bundoran Farm GPIN or Tax Map# 86-38 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: Bundoran Farm, LLC c/o Natural Assets Street: 675 Peter Jefferson Parkway Suite 250 City:Charlottesville State VA Zip Code 22911 Prepared by: OSE Name Steve Gooch License# 1940001284 Address 703 Oliver Creek Road City Troy State VA Zip Code 22974 PE Name: License# Noe Address City State Zip Code Date of Report 3/12/16 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. LL 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 41,10` I recommend that a(select one): onstruction permit❑ certification letter subdivision approval ✓� be(select one)issued denied . OSE/PE Signature 12/-€ C%� � Date ?//2#6, Soil Profile I a5`- 2,d1-1 Primary Drain Field Lot A-9D Bundoran Farm Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 3 0-3 A Dark reddish brown(5YR 3/3) clay loam, friable 3 3-14 Bt Red(2.5YR 4/6) silty clay loam, firm 3 14-84 C Dark yellowish brown (10YR 4/6) sandy loam,friable 2 4 0-4 A Dark reddish brown(5YR 3/3) clay loam, friable 3 4-13 Bt Red(2.5YR 4/6) silty clay loam, firm 3 13-84 C Dark yellowish brown(10YR 4/6) sandy loam, friable 2 5 0-3 A Dark reddish brown(5YR 3/3) clay loam, friable 3 3-8 Bt Red(2.5YR 4/6) silty clay loam, firm 3 8-84 C Dark yellowish brown(10YR 4/6) sandy loam, friable 2 6 0-3 A Dark reddish brown(5YR 3/3) clay loam, friable 3 3-10 Bt Red(2.5YR 4/6) silty clay loam, firm 3 10-48 Cl Reddish brown(2.5YR 5/4) schist saprolite, crushes to 2 loam r.r 48-61 CB Light red (2.5YR 6/8) sandy clay loam, friable 3 % 61-84 C2 Yellowish brown (10YR 5/8) sandy loam, friable 2 Page ? of Appendix 2 Soil Summary Report GENERAL INFORMATION Date 10/3/15 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 Bundoran Farm Subdivision off Edge Valley Road Tax Map 86-38 Subdivision Bundoran Farm Block/Section Lot A-9D SOIL INFORMATION SUMMARY -pimmatri Orativt �=►id 1. Position in landscape satisfactory? IX Yes (" No Describe shoulder 2. Slope 20 3. Depth to rock or impervious strata: Max. Min. None x 4. Depth to seasonal water table(gray mottling or gray color) ig No r Yes inches sow Free water present IR No r Yes range in inches 6. Soil percolation rate estimated IR Yes Texture group I 0 III IV r No Estimated rate 45 min/inch 7. Permeability test performed f Yes No If yes, note type of test performed and attach IX Site Approved: Drainfield to be placed at 42" depth at site designated on permit. I` Site Disapproved: Reasons for rejection: 1. I— Position in landscape subject to flooding or periodic saturation. 2. Ir 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 drainfield, and/or Reverse Area. 6. r Proposed system too close to well. so • I 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 1060 .r 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, 0 only the reserve area(check one)for_Lot A-9D . Design Basis Total length of available area: 100' Total width of available area: 45' Estimated Pere.Rate: 45 at 42" in.(depth) Number of bedrooms(or GPD): 5 1 2 Conveyance Method : Gravity Distribution method (specify): Gravity 3c Dispersal system basis GMP 4135 LGMI required? No (Yes/No) Effluent quality required: Primary (Primary, Secondary,Advanced Secondary) Square feet per bedroom:344 _ Total trench bottom area required: 1290 011100. Area Calculations Number of trenches 5 Length of trenches: 90' Width of trenches: 3' Center to center spacing: 10' Reserve required? Yes Percent reserve area required: 100 Total width of absorption area required 43' 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 PQ`s`" I Reserve Drain Field Lot A-9D Bundoran Farm Albemarle County Hole Depth Horizon Material Description Soil Texture (in.) Group 1 0-3 A Dark reddish brown(5YR 3/3) clay loam, friable 3 3-16 Bt Red(2.5YR 4/6) silty clay loam, firm 3 16-36 Bt2 Red(2.5YR 5/8)clay loam, friable 3 36-51 CB Yellowish brown(10YR 5/8) sandy loam, friable w/red 2 (2.5YR 4/6)silty clay loam and gneiss fragments 51- Cr 2 0-4 A Dark reddish brown(5YR 3/3) clay loam, friable 3 4-39 Bt Red(2.5YR 4/6) silty clay loam, firm 3 39-84 BC Red(2.5YR 5/8) clay loam, friable w/olive 5Y 5/4) schist 3 saprolite, crushes to sandy loam 5 0-3 A Dark reddish brown(5YR 3/3) clay loam, friable 3 3-8 Bt Red(2.5YR 4/6) silty clay loam, firm 3 8-84 C Dark yellowish brown (10YR 4/6) sandy loam, friable 2 6 0-3 A Dark reddish brown(5YR 3/3) clay loam, friable 3 3-10 Bt Red(2.5YR 4/6) silty clay loam, firm 3 10-48 Cl Reddish brown(2.5YR 5/4) schist saprolite, crushes to 2 loam 48-61 CB Light red(2.5YR 6/8) sandy clay loam, friable 3 61-84 C2 Yellowish brown(10YR 5/8) sandy loam, friable 2 .r Page of r Appendix 2 Sod Summary Report 104 , GENERAL INFORMATION Date 10/3/15 Submitted to Albemarle County Health Department Applicant Bundoran Farm LLC Telephone Number (540) 968-1605 Address c/o Natural Assets 123 East Main Street Charlottesville, VA 22902 Owner same Address same Location Bundoran Farm Subdivision off Edge Valley Road Tax Map 86-38 Subdivision Bundoran Farm Block/Section Lot A-9D SOIL INFORMATION SUMMARY _ AeSradCve. 0rzot FCI 1. Position in landscape satisfactory? IX Yes j"-- No Describe shoulder 2. Slope 20 % 3. Depth to rock or impervious strata: Max. 84"+ Min. 51" None 4. Depth to seasonal water table (gray mottling or gray color) (X No E Yes inches ,,Free water present Ix No r Yes range in inches 6. Soil percolation rate estimated IX Yes Texture group l II 0 iV f No Estimated rate 65 minfinch 7. Permeability test performed I� Yes Ig No If yes, note type of test performed and attach IR Site Approved: Drainfield to be placed at 27" depth at site designated on permit. I� Site Disapproved: Reasons for rejection: 1. f Position in landscape subject to flooding or periodic saturation. 2. r Insufficient depth of suitable soil over hard rock. 3. I- Insufficient depth of suitable soil to seansonal water table. 4. I" Rates of absorption too slow. 5. E Insufficient area of acceptable soil for required drainfield, and/or Reverse Area. 6. 1— Proposed system too close to well. ,,.• I— Other Specify (attach additional pages if necessary) �"? 7c 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, 0 only the primary area, manly the reserve area(check one)for Lot A-9D. Design Basis Total length of available area: 85' Total width of available area:45' Estimated Perc.Rate: 65 at 24" in. (depth) Number of bedrooms(or GPD):5 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: 221 Total trench bottom area required: 1105 r Area Calculations Number of trenches 5 Length of trenches: 80-''_— Width of trenches: 33'___ 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: 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 earF D WELL SITE(3C) Ilam 1 ...4 i'''' b I G'' 40D / \ Ram ,/ ` kup1111‘5\4_ usE SITE(5 BR) \ ivk' \. ,.r \ ' + / / PRIMARY DRAIN FIELD, � ^ . (ENGINEERED) � + I/ I 4 l x?� / • \ *k. 1�` •le'p' f r SrrE(3C) . ... _/ `,a i, ' HOUSE SITE(5 BR) mus,. RESERVE DRAIN FIELD . ' 4` `.) (ENGINEERED) 4� � 1 x uv \ PRIMARY DRAIN FIELD ti (CONVENTIONAL) y 1\ 11 \*Lt'' a 4)..? 61:it P.i A\ *\ . • t \ 1 s'\\\ \\ r z 42 r '�:.� KESiRVE DRAIN FIELD Atirl (ENGINEERED) .\ „ l D rn r li ...--.- 1t......... • z•......-- . .� , ..._._. Scale 1”= 100' -Soil Profile Hole % House, Well and Drain Field Sites . \+----_.�. Proposed Lots A-9D and A-9 \`.r �" , A Division of Lot A-9 Bundoran Farm Albemarle County,Virginia }– — -' "` Steve Gooch Consulting Geologist -'' 1 ° ,, 703 Oliver Creek Road .., Troy,Virginia 22974