HomeMy WebLinkAboutWPO201700023 Review Comments WPO VSMP 2019-03-15COUNTY OF ALBEMARLE
Department of Community Development
401 McIntire Road, Room 227
Charlottesville, Virginia 22902-4596
Phone (434) 296-5832 Fax (434) 972-4126
VSMP /WPO Plan Amendment Review
Project title: Oakleigh — VSMP /WPO ESC & SWM Plan Amendment #2
Project file number: WP0201700023
Plan preparer: Steve Edwards[steve(a)edwarddesignstudio.com]
4936 Old Boonesboro Road, Lynchburg VA 24503
Alan Franklin, P.E., LLC [alan a,alanfranklinpe.com]
427 Cranberry Lane, Crozet VA 22932
Owner or rep.: Oakleigh Albemarle LLC — 690 Berkmar Circle / Charlottesville, VA 22901
Plan received date: 6 Feb 2019
Date of comments: 15 Mar 2019
Reviewer: John Anderson
WP0201700023 —Amendment #2
Sheet 1
1. List parcel information (owners, TMP #s).
2. Amendment #2 should include all index sheets. Amendment 42 will replace prior approved versions of the
VSMP /WPO Plan, and needs to serve as a standalone reference and inspection document.
3. List dates of initial WPO Plan and Amendment 1 approvals (5/31/17, 3/26/18, respectively).
4. Note: ensure sheet 2 TMP #s for site and adjacent properties match county GIS real estate records.
Multiple current parcel boundary lines may not be shown on sheet 2.
5. Include Construction Record Drawing (As -built) for VSMP policy on plans; link:
httt)://www.albemarle.ore/uDload/imaees/forms center/departments/Community Develonment/forms/Enei
neeriniz and _WPO_Forms/WPO_ VSMP _ Construction_ Record_ Drawings Policy 23May2014.pdf
Sheet 11
6. Show full extent of storm pipe outfall at west corner of site, unless shown, elsewhere. Storm pipe outfall,
end section, and ESC riprap must be shown.
7. Delete `Stormwater Quality Unit TBD.' It appears that a design has been selected.
8. All sheets: Label all storm drain pipes and structures so plan sheets may be cross-referenced.
9. Sheet 12: List and label permeable paver area (ft) of each distinct section of permeable paver.
gheet 11
10. Show permeable pavement above 60" CMP pipe stormwater detention unit, in profile
11. Provide maintenance and inspection schedules for Contech Stormfilter® on plans.
12. Confirm 60" CMP pipe stormwater detention unit profile provides adequate cover along the entire length,
per Mfr. recommendations.
13. Label 60" detention system bedding; provide bedding detail.
14. Provide storm pipe culvert bedding detail.
Engineering Review Comments
Page 2 of 2
Sheet 14
15. Provide dimensions (L X W) for bio-retention basin in plan view.
16. Provide L X W dimensions for R-tank. Routing packet, p. 23 lists 9,658 cf R-tank Vol. Provide dimension
labels that correlate routings and plan.
17. Provide installation, maintenance and inspection information for R-tank.
18. Confirm permeable interlocking pavers and permeable asphalt are equivalent from a water quality
perspective. Provide installation, maintenance, and inspection notes for both types, as has been provided
for bio-retention. Ref. BMP Clearinghouse design specification Practice 7; link:
hqp://www.swb=.vwrrc.vt.edu/wp-content/uploads/2017/11/BMP-Spec-No-7 PERMEABLE -PAVEMENT v1-
8 03012011.pdf (Copy relevant installation, maintenance, and inspection guidelines to plans)
19. Show permeable paver underdrains in plan view. Show where permeable paver underdrain connect with
storm system.
20. Update SWPPP with revised plan sheets (2 sets of 11" X 17" SWPPP inserts, for any plan sheet included
with SWPPP, revised with Amendment #2).
21. Cross-reference these comments with Engineering site plan amendment review comments d. 7 Feb 2019.
Attached.
Please feel free to call if any questions, or if you would like to meet to discuss review comments. Thank
you
J. Anderson 434.296-5832 -0069
WP0201700023 Oakleigh VSMP Amendment -2 031519