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HomeMy WebLinkAboutSUB201500104 Approval - Agencies Final Plat 2015-07-23 ), Y X11 f 44f Ilk:e 47 COMMONWEALTH of VIRGINIA In Cooperation with the Thomas Jefferson Health District ALBEMARLE-CHARLOTTESVILLE State Department of Health FLUVANN TY(STAY(PALMYRA) 1138 Rose Hill Drive GREENE COUNTY(STA LOUISA COUNTY(LOUISA) Phone(434)972-6219 P. O. Box 7546 NELSON COUNTY(LOVINGSTON) Fax (434) 972-4310 Charlottesville, Virginia 22906 July 23,2015 J.T Newberry County of Albemarle Department of Community Development eii ►4 P P ROU ED 401 McIntire Road Charlottesville,Virginia 22902-4596 RE: Review of Proposed Subdivision Plat and attached Soils Information for Individual Onsite Sewage Systems as part of a division of Tax Map 78A Parcel 1 located in Albemarle County,Virginia. Dear Mr.Newberry: On July 9,2015,the County of Albemarle requested the Virginia Department of Health(via the Albemarle County Health Department)review the proposed subdivision plat identified above.This letter is to inform you that the above referenced subdivision plat is approved for individual Onsite Sewage Systems in accordance with the provisions of the Code of Virginia,the Sewage Handling and Disposal Regulations, and local ordinances. This request for subdivision review was submitted pursuant to the provisions of§32.1-163.5 of the Code of Virginia which requires the Health Department to accept private soil evaluations and designs from an Authorized Onsite Soil Evaluator(AOSE)or a Professional Engineer working in consultation with an AOSE for residential development. This subdivision was certified as being in compliance with the Board of Health's Regulations by:Joseph Mark Acors OSE#1940001097. This subdivision approval is issued in reliance upon that certification. Pursuant to §360 of the Regulations this approval is not an assurance that Sewage Disposal System Construction Permits will be issued.for any lot in the subdivision identified above unless that lot is specifically identified on the above referenced plat as having an approved site for an onsite sewage disposal system,and unless all conditions and circumstances are present at the time of application for a permit as are present at the time of this approval. This subdivision may contain lots that to do not have approved sites for onsite sewage systems. This subdivision approval does pertain to the requirements of local ordinances. Sincerely, NI j „4,___„, Travis T.Davis,OSE Environmental Health Specialist, Sr. s- 8 Clja *a'tr:, S ° �IRGINIP Tr° COUNTY OF ALBEMARLE Department of Community Development 401 Mclntire Road,Room 227 Charlottesville,Virginia 22902-4596 Phone(434)296-5832 Fax(434)972-4126 Date: 7/9/2015 Teresa Batten Virginia Department of Health Eil APPEND 1138 Rose Hill Drive Charlottesville, VA 22906 Regarding: Project Name: SUB201500104 Ashcroft Phase II, Section VIII—Final Date Submitted: 7/7/15 Dear Ms. Batten: The County of Albemarle has received application to develop/subdivide Tax Map 78A Parcel 1. This project requires Health Department approval prior to receiving final County approval. The applicant has provided a soils report, which is attached. Please review the proposal for suitable subsurface drainfields that comply with the provisions of Chapter 18, Sections 4.2.2, 4.2.3, 4.2.4, and Chapter 14, Section 310 of the Albemarle County Code. Please contact me if you have any questions or comments. Sincerely, J.T. Newberry, Planner County of Albemarle Department of Community Development Division of Zoning and Current Development 401 McIntire Road Charlottesville, VA 22902 j newberrva,albemarle.org (434)296-5832, ext 3270 phone ✓ 'Nod Page 1 of 8 OSE/PE Report for: Construction Permit n Certification Letter n Subdivision Approval I• I Property Location: 911 Address: On Summit Ridge Trail off of Lego Drive in Ashcroft Sub. City: Albemarle Lot Lot 182 Section Phase II, Sec. VIII Subdivision Ashcroft GPIN or Tax Map# 78A-1 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: R. L. Beyer Street: 660 Hunters Place, Suite 101 City: Charlottesville State VA Zip Code 22911 Prepared by: OSE Name Joseph Mark Acors License# 1940 001097 Address 6030 Haleys Mill Road City_ Spotsylvania State VA Zip Code 22551 PE Name: n/a License# Address City State Zip Code Date of Report June 23,2015 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.) Soil Summary/Soil Profile Primary (2,3) Abbreviated Design Reserve Area(7) Abbreviated Design Primary (4) Site Sketch (8) Soil Summary/Soil Profile Reserve Area (5,6) 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. 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.A.11 1 recommend that a(select one): construction permits certification letters subdivision approval Zbe(select one)issued enied OSE/PE Signature Date June 23, 2015 Seise Page 2. of Soil Summary Report General Information Date: March 18, 2015 Submitted to Albemarle Co. Health Department Applicant: R. L. Beyer Phone: (434) 977-0778 Address: 660 Hunters Place, Suite 101, Charlottesville, VA 22911 Owner: same as above Address: Location: On Summit Ridge Trail off of Lego Drive in Ashcroft Subdivision. Tax Map: 78A-1 Subdivision: Ashcroft Phase II, Section VIII Lot: Lot 182 (Site#1-ASC) Primary Drainfield-Conventional Trench System SOIL INFORMATION SUMMARY 1. Position in landscape satisfactory Yes X No Describe Wooded Piedmont Sideslope 2. Slope 19 0/0 3. Depth to rock or impervious strata Max. Min. None X 4. Depth of seasonal water table (gray mottling or gray color) Yes inches No X 5. Free water present Yes No X 6. Soil percolation rate estimated Yes X Texture Group III No *Estimated Rate: 70mpi *All applicable regulations as well as the specific soil and site conditions (including the trench sidewalls) were taken into 7. Permeability test performed Yes account when the estimated percolation No X rate was assigned. If yes, note type of test performed and attach: 'Site Approved: Primary drainfield to be placed at 36" inch depth at site designated on permit Site#1-ASC If required, reserve drainfield to be place at 36" depth as designated on permit Site#2-ASC _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 area of acceptable soil for required drainfield, and/or Reserve Area 4. Rates of absorption too slow 5. Insufficient area of acceptable soil for required drainfield, and/or Reserve Area 6. Proposed system too close to well 7. _Other, Specify (attach additional pages if necessary) Acors Soil Consulting, Inc. 6/3/2015 Page S of Soil • rofile Description Report Date of Evaluation March 18, 2015 Ashcroft Lot 182-Primary D/F, Site#1 Where the local health department conducts the soil evaluation, the location of profiles 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 soil scientist, 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 site (See Section 4) and reserve site shall be shown on the reverse side of this page or prepared on a separate page and attached on this form. ESee application sketch page ESee construction permit QX See sketch attached to this form Depth Texture Hole Horizon (inches) Description of color, texture, etc. Group 1 A 0-7 10YR4/3 Loam, Friable IIB Bt 7-55 2.5YR4/6 Silty Clay Loam, Friable to Firm III C 55-60 2.5YR4/6 with many 10YR6/6, 7/6, 6/8 (parent), Silt Loam, III Friable 2 A 0-6 10YR4/3, 5/3 Loam, Gravelly, Friable IIB Bt1 6-22 5YR4/6 Silty Clay Loam, Friable to Firm III Bt2 22-60 2.5YR4/6 with few 10YR6/6, 6/8 (parent), Silty Clay Loam, III few channers 50"-60", Friable to Firm 3 A 0-6 •5YR4/4 Light Clay Loam, Friable III Bt 6-52 2.5YR4/6 Silty Clay Loam, Friable to Firm III C 52-60 2.5YR5/6 with many 10YR6/6, 6/8 (parent) and few III 7.5YR6/6 (parent), Silt Loam, Friable These profile descriptions were evaluated from backhoe pits. Acors Soil Consulting, Inc. 6/3/2015 Page 14 of 5 Abbreviated Design Form Ashcroft Lot 182, Site#1-ASC Primary Drainfield-Conventional Trench System Design Basis 1. A. Estimated Percolation Rate(minutes per inch) 70mpi B. Recommended trench bottom (inches) 36" C. Depth to restrictive feature or to limit of evaluation (inches) 60" D. Minimum separation distance required 18" E. Separation distance in inches provided in design (1C-1B) 24" F. Minimum trench bottom due to slope [(% slope-8)/2 + (1 or 18)] (inches) 24" G. Is the slope greater than 10%? yes H. If slope is greater than 10%, does greater than 24"to rock exist below trench bottom? yes I. If slope is greater than 10%, and there is greater than 24"to trench bottom, add 1'to the minimum center to center spacing, beginning at 20% slope and continue for each 10%slope increase above 20%. If trench bottom is less than 24"above rock, add 1'to the minimum center to center spacing beginning at 10% slope and continue for each 10% slope increase above 10%. (For center to center spacing increase above the minimum, see the box at right.) n/a 2. Trench bottom square feet required RE bedroom from Table 4.6 based on: XX Gravity 0 LPD 544 3. Number of bedrooms 3 Area Calculations 4. Trench length 60' Length of available area 60' 5. Trench width 3' 6. Number of trenches 10 7. Center-to-center spacing 9' 8. A. Width required (#of trenches- 1)*(center spacing)+(trench width) 84' B. Width of available area 84' 9. Total square footage required(trench bottom s.f./bedroom)*(# of bedrooms) 1632 10. Square footage in design (trench length)*(trench width)*(#of trenches) 1800 11. Is a reserve area required? ❑X Yes fNo Percent required: 100% Percent available: 148% Notes: 100%Reserve is satisfied with 7-40'(3'wide)AdvanTex Trenches in Site#2-ASC Area. Acors Soil Consulting, Inc. 6/3/2015 Slope Page S of D Soil Summary Report General Information Date: March 18, 2015 Submitted to Albemarle Co. Health Department Applicant: R. L. Beyer Phone: (434) 977-0778 Address: 660 Hunters Place, Suite 101, Charlottesville, VA 22911 Owner: same as above Address: Location: On Summit Ridge Trail off of Lego Drive in Ashcroft Subdivision. Tax Map: 78A-1 Subdivision: Ashcroft Phase II, Section VIII Lot: Lot 182 (Site#2-ASC) 100% Reserve Area-AdvanTex Trench System SOIL INFORMATION SUMMARY 1. Position in landscape satisfactory Yes X No Describe Wooded Piedmont Sloping Ridge 2. Slope 16 0/0 3. Depth to rock or impervious strata Max. Min. None X 4. Depth of seasonal water table (gray mottling or gray color) Yes inches No X 5. Free water present Yes No X 6. Soil percolation rate estimated Yes X Texture Group 111 No *Estimated Rate: 70mpi *All applicable regulations as well as the specific soil and site conditions (including the trench sidewalls) were taken into 7. Permeability test performed Yes account when the estimated percolation No X rate was assigned. If yes, note type of test performed and attach: Site Approved: Primary drainfield to be placed at 36" inch depth at site designated on permit Site#1-ASC If required, reserve drainfield to be place at 36" depth as designated on permit Site#2-ASC =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 area of acceptable soil for required drainfield, and/or Reserve Area 4. _Rates of absorption too slow 5. _Insufficient area of acceptable soil for required drainfield, and/or Reserve Area 6. Proposed system too close to well 7. _Other, Specify (attach additional pages if necessary) Acors Soil Consulting, Inc. 6/3/2015 Page (g) of 6 Soil-Profile Description Report Date of Evaluation March 18, 2015 100% Reserve Area-Site#2-ASC Where the local health department conducts the soil evaluation, the location of profiles 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 soil scientist, 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 site (See Section 4) and reserve site shall be shown on the reverse side of this page or prepared on a separate page and attached on this form. ESee application sketch page fSee construction permit See sketch attached to this form Depth Texture Hole Horizon (inches) Description of color, texture, etc. Group 1 A 0-6 2.5YR4/4 Light Clay Loam, Friable III Bt 6-49 2.5YR5/6 Silty Clay Loam, Friable to Firm III C 49-60 2.5YR5/6 with common 10YR6/6, 6/8, 7.5YR6/6 (parent), III Silt Loam, Friable 2 A 0-7 5YR4/3 Light Clay Loam, Friable III Bt1 7-21 5YR5/6 Silty Clay Loam, Friable to Firm III Bt2 21-60 2.5YR4/6 with few 10YR6/6, 2.5Y5/6 (parent), Silty Clay Loam, III few channers, Friable to Firm 3 A 0-6 5YR4/4 Light Clay Loam, Friable III Bt 6-50 2.5YR5/6 Silty Clay Loam, Friable to Firm III C 50-60 2.5YR5/6 with common 10YR6/6, 6/8 (parent), Silt Loam, III Friable These profile descriptions were evaluated from backhoe pits. Acors Soil Consulting, Inc. 6/3/2015 °j d Page I of e' Abbreviated Design Form Ashcroft Lot 182, Site#2-ASC Reserve Area-AdvanTex Trench System Design Basis 1. A. Estimated Percolation Rate(minutes per inch) 70mpi B. Recommended trench bottom (inches) 36" C. Depth to restrictive feature or to limit of evaluation if none encountered (inches) 60" D. Minimum separation distance required (may be impacted by perc rate) 12" E. Separation distance in inches provided in design (1C-1B) 24" F. Minimum trench bottom is 10 inches, unless slope is > 10%, then [(% slope x .01 x trench width in inches)+ 10 inch minimum] 16" G. Is the slope greater than 10%? yes H. If slope is greater than 10%, does greater than 24"to rock exist below trench bottom? yes I. If slope is greater than 10%, and there is greater than 24"to trench bottom, add 1'to the minimum center to center spacing, beginning at 20% slope and continue for each 10% slope increase above 20%. If trench bottom is less than 24"above rock, add 1'to the minimum center to center spacing beginning at 10% slope and continue for each 10%slope increase above 10%. (For center to center spacing increase above the minimum, see the box at right.) n/a 2. Square feet required: Puraflo/Advantex loading rate: 0.8 gpd/sq.ft. 188 Square footage required per bedroom: (150 gpd/bedroom)I( 0.8 gpd/sq.ft.) 3. Number of bedrooms 3 Area Calculations 4. Trench length 40' Length of available area 40' 5. Trench width 3' 6. Number of trenches 7 7. Center-to-center spacing 9' 8. A. Width required [(#of trenches - 1)*(center spacing)] + (trench width) 57' B. Width of available area 70' 9. Total square footage required(trench bottom s.f./bedroom)*(# of bedrooms) 564 10. Square footage in design(trench length)*(trench width)*(#of trenches) 840 11. Is a reserve area required? QYes El No Percent required: 100% Notes:Reserve is satisfied with 7-40'(3'wide) Percent available: 148% AdvanTex Trenches in Site#2-ASC D/F Area. Acors Soil Consulting, Inc. 6/3/2015 { Page B of 6 SITE SKETCH (Sanitary Survey) On &off site features noted within 200 ft. of Owner: R. L. Beyer proposed drainfield and Subdivision: Ashcroft Lot 182 well areas are shown. County: Albemarle Scale: 1"= 50' Soil Boring: # House: H Well: ►JIR i r v • i , 6":w' ! •,t . , .Y u . 4 "• w I% . • • Vii,.. *!'. •y\ , ?;'NE' 4 ' • `4• . •.'•,t• ..•.w. '•�4'.• . .t... • • • •; •' 1,` \ t ti: ... S. 1 ` • •,.,4,#..�. �k`. 'S. • .fir' ,e t'4♦A •\1:�� `\ah• ,r•r..jet:•' r .t• 1. { �. • d. •s 'r 1\ ♦i 1 ��'• f.; rrr. : fir• ;.' • : ...‘;!" •.•* •1:$ .k'•• R .�.• '�� •:, i f, U r / '�'• 'yam' '1 o` ,t, .R•:.. ! S.*: i 1�.v . Pte. . •, .. .. , . i 's. a. i•-....•• ..t: .{{te�.�a, ' E 1k S. �cf '!�' ;'1v0 :04" • 1! . :4• 4 r.!i0.4.**'f!:,s, ...' . * .: c.j' . 46. . t,� i. t S`• f' � 4 I ' • id n�' .;: VRI ., r 4it ..0•04.� td✓ npAA '. b !t *9 •• . , • � • i { + 14: % ^ } ,aa a 4 • r • J• Q , v r1: .1.. .. ...,'• • , ...'1' . L. Kt•ft' : +r.e.r1' .. ,iii r• `.4-. °44. •••. .rim ' Wi l,' N ' ,•. .4' AR4 . . . '' . ... 'e♦h. r" 1.. r , � • x . : : .. ) r. • ' t 7 �` ;. t, .84 . Q�..�. '... •I..v.v.r::..;.,:v �e�' `DO..• rd ►' • ',` \`,•. `, 1 '� \lP�iO`4. ••,• �. . �, 'a:.'yi•i.1w ,a..i,✓'�' � rk•r.'• �,.+ ;�'1• • . :404. .0.4' s....i.'s . ... • . •� t1 • • • i:!; •• dir....:.•v::. -.re,f ". X .i•. ' .1)Yf0. •r:v • to `•.\. \ i.• y ..4 I. h ' .• 51lt.t2. . ', . .611 ie'• • EdT r1/4 t� aV n ' •S \ ` • IV: tW+..1ww•r.we . ..y,..,.r.�v-e ; ': •';• x • \ D6 ri& '....4‘e1•31111'.../V: 1: .� I '.yam. • • \ ♦ 1 1 w•.. ♦ '. '�•^er•.a.ice 'K rn..wMr•i. ~r�� • . '�•Y• . / •/r r !',; Mi+. �.. `• Acors Soil Consulting, Inc. - 6/3/2015 sow/ '`"/ Page 1 of 6 OSE/PE Report for: Construction Permit t J Certification Letter Ft Subdivision Approval I I Property Location: 911 Address: On Summit Ridge Trail off of Lego Drive in Ashcroft Sub. City: Albemarle Lot Lot 183 Section Phase II, Sec. VIII Subdivision Ashcroft GPIN or Tax Map# 78A-1 Health Dept ID# Latitude Longitude Applicant or Client Mailing Address: Name: R. L. Beyer Street: 660 Hunters Place, Suite 101 City: Charlottesville State VA Zip Code 22911 Prepared by: OSE Name Joseph Mark Acors License# 1940 001097 Address 6030 Haleys Mill Road City Spotsylvania State VA Zip Code 22551 PE Name: n/a License# Address City State Zip Code Date of Report June 23,2015 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.) Soil Summary/Soil Profile (2,3) Abbreviated Design (4,5) Site Sketch (6) 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. 111 The work attached to this cover page has been conducted under an exemption to the practice of eneineerina.specifically the exemption in Code of Virginia Section 54.1-402.A.11 I recommend that a(select one): nstruction permit certification letters subdivision approval0 be(select one)issued denied U U. OSE/PE Signature Date June 23, 2015 Page 1 of I Soil Summary Report General Information Date: March 18, 2015 Submitted to Albemarle Co. Health Department Applicant: R. L. Beyer Phone: (434) 977-0778 Address: 660 Hunters Place, Suite 101, Charlottesville, VA 22911 Owner: same as above Address: Location: On Summit Ridge Trail off of Lego Drive in Ashcroft Subdivision. Tax Map: 78A-1 Subdivision: Ashcroft Phase II, Section VIII Lot: Lot 183 (Site#1-ASC) Conventional Trench Installation-Upper D/F Area SOIL INFORMATION SUMMARY 1. Position in landscape satisfactory Yes X No Describe Wooded Piedmont Sloping Ridge 2. Slope 17 0/0 3. Depth to rock or impervious strata Max. Min. None X 4. Depth of seasonal water table (gray mottling or gray color) Yes inches No X 5. Free water present Yes No X 6. Soil percolation rate estimated Yes X Texture Group III No *Estimated Rate: 75mpi *All applicable regulations as well as the specific soil and site conditions (including the trench sidewalls) were taken into 7. Permeability test performed Yes account when the estimated percolation No X rate was assigned. If yes, note type of test performed and attach: 'Site Approved: Primary drainfield to be placed at 30" inch depth at site designated on permit Upper D/F If required, reserve drainfield to be place at 30" depth as designated on permit Lower D/F 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 area of acceptable soil for required drainfield, and/or Reserve Area 4. _Rates of absorption too slow 5. _Insufficient area of acceptable soil for required drainfield, and/or Reserve Area 6. Proposed system too close to well 7. `Other, Specify (attach additional pages if necessary) Acors Soil Consulting, Inc. 6/3!2015 Page 3 of (, Soi • rofile Description Report Date of Evaluation March 18, 2015 Ashcroft Lot 183, Site#1-ASC Where the local health department conducts the soil evaluation, the location of profiles 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 soil scientist, 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 site (See Section 4) and reserve site shall be shown on the reverse side of this page or prepared on a separate page and attached on this form. ESee application sketch page ESee construction permit ESee sketch attached to this form Depth Texture Hole Horizon (inches) Description of color, texture, etc. Group 1 A 0-6 2.5YR4/4 Light Clay Loam, Friable III Bt 6-46 2.5YR5/6 Silty Clay Loam, Friable to Firm III BC 46-60 2.5YR5/6 with common 7.5YR6/6, 10YR6/8 (parent), III Silty Clay Loam with pockets of Silt Loam, Friable 2 A 0-7 5YR4/4 Light Clay Loam, Friable III Bt 7-44 2.5YR4/6 with few 10YR6/6 (parent), Silty Clay Loam, Firm III C 44-60 Multi-colored 10YR6/6, 5/4, 6/4, 2.5Y6/6, 5/6 Silt Loam, III few channers, Friable 3 A 0-6 5YR4/3 Light Clay Loam, Friable III Bt 6-42 2.5YR4/6 with few 10YR6/8, 7/6 (parent), Silty Clay Loam, Firm III C 42-60 2.5YR5/6 with many 10YR/6/6, 6/4, 2.5Y6/6 (parent), III Silt Loam, few channers, Friable 4 A 0-6 2.5YR4/4 Light Clay Loam, Friable III Bt 6-50 2.5YR4/6 Silty Clay Loam, Friable to Firm III C 50-60 Multi-colored 5YR4/6, 5/4, 10YR6/6, 2.5Y5/4, 5/6 Silt Loam, III Friable 5 A 0-6 5YR4/4 Light Clay Loam, Friable III Bt 6-48 2.5YR4/6 with few 7.5YR6/6 (parent), Silty Clay Loam, III Friable to Firm C 48-60 Multi-colored 10YR6/6, 6/8, 5YR5/4, 5/8 Silt Loam, III few clay flows, Friable These profile descriptions were evaluated from backhoe pits. Acors Soil Consulting, Inc. 613/2015 ti.✓ Page of Abbreviated Design Form Ashcroft Lot 183, Site#1-ASC Conventional Trench Installation-Upper D/F Area Design Basis 1. A. Estimated Percolation Rate(minutes per inch) 75mpi B. Recommended trench bottom (inches) 30" C. Depth to restrictive feature or to limit of evaluation (inches) 60" D. Minimum separation distance required 18" E. Separation distance in inches provided in design (1C-1B) 30" F. Minimum trench bottom due to slope [(% slope-8)/2 + (1 or 18)] (inches) 23" G. Is the slope greater than 10%? yes H. If slope is greater than 10%, does greater than 24"to rock exist below trench bottom? yes I. If slope is greater than 10%, and there is greater than 24"to trench bottom, add 1'to the minimum center to center spacing, beginning at 20% slope and continue for each 10% slope increase above 20%. If trench bottom is less than 24"above rock, add 1'to the minimum center to center spacing beginning at 10% slope and continue for each 10%slope increase above 10%. (For center to center spacing increase above the minimum, see the box at right.) n/a 2. Trench bottom square feet requireder bedroom from Table 4.6 based on: XX Gravity f LPD 596 3. Number of bedrooms 3 Area Calculations 4. Trench length 100' Length of available area 100' 5. Trench width 3' 6. Number of trenches 6 7. Center-to-center spacing 9' 8. A. Width required (#of trenches- 1)*(center spacing) + (trench width) 48' B. Width of available area 48' 9. Total square footage required(trench bottom s.f./bedroom)*(# of bedrooms) 1788 10. Square footage in design (trench length)*(trench width)*(#of trenches) 1800 11. Is a reserve area required? EYes f No Percent required: 100% Percent available: 106% Notes: 100%Reserve is satisfied with 2-100'(3'wide)AdvanTex Trenches in lower D/F Area. Acors Soil Consulting, Inc. 6,3/2015 410110. 'Nod Page S of (p Abbreviated Design Form Ashcroft Lot 183, Site#1-ASC Reserve Area-AdvanTex Trench System Reserve Area-Lower Drainfield Area Design Basis 1. A. Estimated Percolation Rate (minutes per inch) 75mpi B. Recommended trench bottom (inches) 30" C. Depth to restrictive feature or to limit of evaluation if none encountered (inches) 60" D. Minimum separation distance required (may be impacted by perc rate) 12" E. Separation distance in inches provided in design(1C-1B) 30" F. Minimum trench bottom is 10 inches, unless slope is > 10%, then [(% slope x .01 x trench width in inches)+ 10 inch minimum] 17" G. Is the slope greater than 10%? yes H. If slope is greater than 10%, does greater than 24"to rock exist below trench bottom? yes I. If slope is greater than 10%, and there is greater than 24"to trench bottom, add 1'to the minimum center to center spacing, beginning at 20% slope and continue for each 10% slope increase above 20%. If trench bottom is less than 24"above rock, add 1'to the minimum center to center spacing beginning at 10% slope and continue for each 10% slope increase above 10%. (For center to center spacing increase above the minimum, see the box at right.) n/a 2. Square feet required: Puraflo/Advantex loading rate: 0.8 gpd/sq.ft. 188 Square footage required per bedroom: (150 gpd/bedroom)/( 0.8 gpd/sq.ft.) 3. Number of bedrooms 3 Area Calculations 4. Trench length 100' Length of available area 100' 5. Trench width 3' 6. Number of trenches 2 7. Center-to-center spacing 9' 8. A. Width required [(#of trenches- 1)*(center spacing)]+ (trench width) 18' B. Width of available area 18' 9. Total square footage required(trench bottom s.f./bedroom)*(# of bedrooms) 564 10. Square footage in design (trench length)*(trench width)*(#of trenches) 600 11. Is a reserve area required? QX Yes fl No Percent required: 100% Notes:Reserve is satisfied with 2-100'(3'wide) Percent available: 106% AdvanTex Trenches in Lower D/F Area. Acors Soil Consulting, Inc. 6/3/2015 Page ( of SITE SKETCH (Sanitary Survey) On & off site features noted within 200 ft. of Owner: R. L. Beyer proposed drainfield and Subdivision: Ashcroft Lot 183 well areas are shown. County: AlbemarleScale: 1"= 50' Soil Boring: # House: H Well: NlA \• .. :4,. 4.: M,, ,,� fir'✓'' • • ti.i �.� 4• y•' *y \ i` >' • ' rt' • • tt ••• ,. .,. •;,. ,� So,, _;.• ..(16 tR•',• ani ,: ;4:. 1` �: °��4 • fit. • Ar.;if!:\• 1, 1 'S o: • " ...s' . "N * J..• • . 9. ;•fee9• • , i s ` �i. '•re f eb � ' ' • i� ,•�••r� i•. �',` % ` .q H r' QQ •P • : ' • 4? '•'. •IS. . Wit...* .4*n 44!•r �k'•.: .! •': . . ,1 • t. `.,,V. / r 1 T n.r*r.�.a ,‘......-i44% ...: 1,....1...t...t.: •i,..i.•. 0• 4%4. 445 ' asPR Anf6�( v , . . ;j �i,rh.r.w.�t ,. d an.� Ry .wi. ...//.''' �. 1. :'E:fl, •s: ....1. . S . :' p } �� • !��?asr 0 '�ai.ew'.►;i...r�' :fir•. ' ‘er 4 ✓ .i• r �. .,rf .5. M•. .�a A'.4, �• > • .•,:i/.. rr .P • • k• • , i \fi• l' • 'a.' • 0.l h vK «v.v...:.'..i.r.91. J's.1`0°. • le...'WP, ../.u'Y" r• r 'St.:. •, rn,�•:. . . .. �a .1111 •0. .•�1 i. t S,: .\ , �a • �. p • i�; 4. «,. , et .'yi.i•..47..:d''. .,i .....,,,,,,i.e.• .. �r, • i. •,,► (U) 4. 4 4�4 0 ......... w. .+..n ,�''' r 'ypytt. ,,i �. '�, 4,` •.•(.: ' • .•70v. ..,, 3 - r ,.v ,•k' ,, \ \.�, .\ GP 5 .°' • r..` i! •• •r:al.:we•.nM ` 4° JF .,w 4. H'r.‘44.e. :'•IR y , 1 t ` ` 4'!.T'n. w ' rRM..� JS•P' 1, ,, \ L \ t , ' V .4".. tr. '.„, .,. .4 ... ....i, e•' 4•. 0! • . .d. , \ �, ° '1 �'` •N.,r'ew / Vii+ .�.�' r '.;•,�, ait. ,,;,r • . ° : 4 ` .9 •.',/1.b'..e...►.i�,tH+ti)vii;•i•.t•►•.i.i..:' .rc r:M.w/r:'.i.•.�h!!rr4r_ ' „Of. 'ai,. ••' . .1.49,: 4' S. .‘ % \ „ \ \ 4% „..,,...s8-- - • •• • . • , , , \ .,. Acors Soil Consulting, Inc. 6/3/2015