HomeMy WebLinkAboutWPO200900013 Review Comments Stormwater Management Plan 2009-06-26OF AL
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COUNTY OF ALBEMARLE
Department of Community Development
401 McIntire Road, Room 227
Charlottesville, Virginia 22902 -4596
Phone (434) 296 -5832 Fax (434) 972 -4126
Project:
Van Dine Plaza [SDP200900024 & WP0200900013]
Plan preparer:
Justin Shimp, PE; Dominion Development Resources
[email: j shimp @ ddrva.com]
Owner /Applicant:
Auto LLC
Plan received date:
9 April 2009
Rev. 1:
1 June 2009
Date of comments:
30 April 2009
Rev. 1:
26 June 2009
Reviewer:
John P. Diez — Engineering Technician
A. Final Site Plan
1. Please provide source and date of topographic verification. [ 18- 32.6.6]
(Rev. 1) Comment has been addressed.
2. Some of the grading in the parking areas exceeds 5% slopes. [18- 4.12.15C]
(Rev. 1) Comment has been addressed.
3. Some of the grading in the travelways adjacent to the parking lots exceeds 10% slopes.
[18- 4.12.17A]
(Rev. 1) Comment has been addressed.
4. Please adjust the loading space to meet 12'X25' requirement on the northwest part of the site.
(Rev. 1) Comment has been addressed.
5. All travelways without parking must be 20' wide measured from curb faces.
(Rev. 1) Comment has been addressed.
6. Sidewalks abutting parking must be 6' wide, or bumper blocks are provided.
(Rev. 1) Comment has been addressed.
7. Please provide guardrails with VDOT designations shown for retaining walls next to parking or
travelways. [ 18- 32.7.2]
(Rev. 1) Comment has been addressed.
8. Safety railings must be shown for retaining walls over 4' high.
(Rev. 1) Comment has been addressed.
9. Please provide a retaining wall detail.
(Rev. 1) Comment has been addressed.
B. Stormwater Management Plan
rovide rc Is for the stormwater detention facilities.
(Rev. 1) Comment has been addressed.
11. Please provide impervious area and removal rate calculations.
(Rev. 1) Comment has been addressed. However, the areas on the newly submitted simple
method spreadsheet do not match the areas on the plans.
12. Please provide Albemarle County general stormwater notes.
(Rev. 1) Comment has been addressed.
Albemarle County Community Development
Engineering Review Comments
Page 2 of 2
13. A completed copy of the Standard Stormwater Management Maintenance Agreement and fee for
recordation for the stormwater facilities on TMP 45 -100 required prior to final approval.
[17 -304E] The forms and instructions can be found on the Community Development Department
website on www.albemarle.org.
(Rev. 1) Comment has been noted.
14. Please provide adequate channel analysis (MS -19) for the proposed outfall.
(Rev. 1) Comment has not been addressed.
15. [.ease provide calculations for the existing 24" culvert at the north side of the site.
(Rev. 1) Comment has been addressed.
16. Please provide a Detention Compliance Table.
(Rev. 1) Comment has been addressed.
17. Post - Development drainage areas do not match inlet drainage areas.
(Rev. 1) Comment has been addressed.
18. Please provide a blow up plan view of the riser including invert shaping, if applicable.
(Rev. 1) Comment has been addressed.
C. Erosion and Sediment Control Plan
19. Please extend the diversion dike on the northwest side of the property up to contour 526.
(Rev. 1) Comment has been addressed.
20. Please provide a stockpile location.
(Rev. 1) Comment has been addressed.
21. Please provide staging or parking area.
(Rev. 1) Comment has been addressed.
22. Please show the outlet protection for the Sediment Trap on sheet E -3.
(Rev. 1) Comment has been addressed.
Once these comments have been addressed, please submit two (2) copies of the revised plans, calculations,
and narratives to Current Development Engineering.
Current Development Engineering is available from 2:30pm — 4:00pm on Thursdays to discuss these
review comments. Please contact Amy Pflaum at 434 - 296 -5832 or apflaum @albemarle.org to schedule an
appointment.
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