HomeMy WebLinkAboutWPO201200041 Review Comments Erosion Control Plan 2012-05-01i"
A
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: Crozet Library WP0201200041
Plan preparer: Patten, Harris, Rust and Assoc. c/o John Reno Ureno @pennoni.com]
Owner or rep.: County of Albemarle
C/o Finance Administration rm. 149 [rlilley @albemarle.org]
Plan received date: 17 April 2012
Date of comments: 1 May 2012
Reviewer: Max Greene
The Erosion and Sediment Control Plan (WP0201200041) submitted 17 April 2012 has
received Engineering Review and does not appear to meet Albemarle County minimum
checklist items for approval. Please adequately address the following comments for final
approval:
1) Please clarify the construction and purpose of the temporary slope drain.
a) Will the slope drain be connected directly into the stormwater system? If so, it will
require a manhole structure.
b) Will the slope drain outlet into the roadside gutter? This will not be acceptable unless
approved by the County Engineer and VDOT.
c) The inspector has reported that this temporary slope drain is not required due to existing
stormwater system existing from Parking lot basin installation (as noted in the narrative).
Please confirm existing site conditions and show any corrections on the plan.
d) Perhaps the existing pipe into the back of the curb inlet structure can be utilized for
stormwater control instead of the (TSD).
2) Please replace the inlet protections shown with the ones from VESCH that have emergency
overflow capabilities.
3) The narrative's existing conditions should mention the previously completed phase 1 plan to
install the parking area and SWM structure.
4) Plan appears to show excess material will have to be removed from the site. Please add a
note to the plan stating "All materials removed from the site must be taken to previously
approved locations ".
5) Please show the Albemarle County Paved Temporary Construction Entrance Detail on the
plan.
6) The Temporary Paved Wash Rack description in the narrative shall have a note stating "A
minimum water tap of 1" must be installed with a minimum 1" ballcock shutoff valve
supplying a wash hose with a diameter of 1.5" for adequate constant pressure. Wash water
must be carried away from the entrance to an approved settling area to remove sediment. All
sediment shall be prevented from entering storm drains, ditches or water courses." Should the
temporary construction entrance not be maintained properly or an excessive amount of soil
Engineering Review Comments
Page 2 of 2
found tracked onto the public roadway, then a paved construction entrance, water tanker
truck with 2 pressure washers and a settling area may be required by the erosion and sediment
control program administrator.
7) Stockpiles and appropriate ESC measures must be shown on the plans or the narrative must
state no stockpiles will be located on the site.
Just a reminder, DCR is enforcing the VSMP General Permit Registration Statement. Please
contact Mr. Matthew Grant, DCR, at 804.225.3068 for more information. This does not affect
your review /approval of this plan.
Additional comments and/or conditions may be forthcoming, on the review of future submittals,
due to the changes required for this plan submittal. Please review the ACDSM at this link:
http: / /www.albemarle.org /upload /images /forms center /departments /c
ommunity development/ forms / design standards manual/Albemarle Coun
tv Design Standards Manual 02- 12- 2010.pdf
Once these comments have been addressed, please submit 3 copies of the revised plans,
calculations, and narratives to Current Development Engineering.
Current Development Engineering is available from 2:30 -4 PM on Thursdays to discuss these
review comments. Please contact Max Greene at 434 - 296 -5832 ext. 3283 or email
mjzreene @albemarle.org to schedule an appointment.
[17- 204.f] An application for an erosion and sediment control plan that requires modifications, terms, or conditions to be
included in order for it to be approved shall be deemed to be withdrawn if the owner fails to submit a revised plan addressing the
omitted modifications, terms or conditions within six (6) months after the owner is informed of the omitted information as
provided under paragraph (B).
File: CDDE1_ESC_MRG_Crozet Library.doc