HomeMy WebLinkAboutWPO201100028 Review Comments Stormwater Management Plan 2011-06-07� OF 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: Willow Glen —E &S and Stormwater Management Plan [WP0201100020]
Plan preparer: Alan Franklin, P.E. [alan @alanfranklinpe.com]
Owner or rep.: Dickerson Ridge, LLC
Plan received date: 12 May 2011
Date of comments: 7 June 2011
Reviewer: John P. Diez — Current Development - Engineering Technician
A. Erosion & Sediment Control plan (WP0201100028)
1. Please provide sediment trap design computation summaries for Sediment Traps #1, #3, and #5.
2. Please provide a sediment trap detail.
3. Please provide Dust Control (DC) to both stages of the project.
4. Please extend the diversion dike on the west side of the site so all of the run from the construction
entrance can be captured.
5. Please provide outlet protect to the pipes entering Sediment Trap #3.
6. It appears that some of the proposed contours on stage 2 of the E &S plans do not tie in to existing
contours. Please revise.
7. The construction entrance must be the first thing to be installed. Please revise the Zone B -Stage 1
— Erosion Control Sequence.
8. Zone B — Stage 2 ( #6) of the Erosion Control Sequence states the construction of the bridge to
connect A and B. It appears that this work is not within the limits of disturbance. In addition, a
Utility Stream Crossing must be provided for this work. However, if what is proposed is just the
abutment of the bridge, then please state that on the plans
9. Please provide a temporary construction easement from TMP: 32 -50 for the work being done by
the construction entrance, In addition, please provide a drainage easement for the pipe discharging
to the off -site BMP.
B. Stormwater Management plan (WP0201100028)
1. A completed copy of the standard stormwater maintenance agreement and fee for recordation for
any stormwater management facility must be submitted prior to plan approval.
2. Please provide a Simple Methods Spreadsheet illustrating the removal rates of pre- and post -
development in Zone B.
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 John Diez at 434 - 296 -5832 orjdiez@albemarle.org to schedule an
appointment.
If you have any questions, you can reach me, John Diez, at (434) 296 -5832 ext. 3025, or my email:
jdiez@albemarle.org.
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