HomeMy WebLinkAboutWPO201900013 Review Comments 2019-04-11 DELTA AIRPORT
CONSULTANTS,iNC.
April 11,.2019 .
Mr..MattWentland.. ...
Planning Department
County of Albemarle
401 McIntire.Road.
Charlottesville,VA 22902
Subject: VSMP Permit Plan Review.
Charlottesville-Albemarle Airport Surface Parking Expansion
W PO2019000]3: : : ..
Dear.Mr.Wentland:. .. . ..
Please find enclosed the revised plans;for the above referenced project at the Charlottesville-Albemarle
Airport. .. ; . . ..
In response to the March:7;2019 comments,:Delta offers the following:... .
A. Stormwater Pollution Prevention Plan(SWPPP): The SWPPP content requirements can be
found in County Code section 17-405 A SWPPP must contain (1) a PPP, (2) an ESCP, (3) a SWMP,;
and (4)any TMDL measures necessary.
1. Update the SWPPP with a signed Certification and provide two copies.
:Response:The SWPPP will be included under separate cover:::
Pollution Prevention Plan (PPP).The PPP content requirements can be found in County Code
section 17-404.
1. See above:
:Response:The SWPP,will:be included.under:separate cover.
C. .Stormwater Management Plan(SWMP):VSMP Regulation 9VAC25-870-108 requires the VSMp. : .
authority to approve or disapprove a SWMP:.Ths plan is disapproved, and the reasons are.
provided in the comments below.The stormwater management plan content requirements can
: .be found,•in County.Code section 17-403.
1.:: The 6.361bs of nutrient credits will:need:to:be purchased prior to plan approval..Please
contactAna Kilmer in our office prior to purchasing credits.
Response; Understood, phosphorous:nutrient credit purchase is being coordinated for
the projects and is required prior to plan approval:.:
2.: Please note that the retaining wall will require a building:permit.
2700 POLO:PARKWAY, MIDLOTHIAN:VA:23113
P. (804) 275 8301::F. (804) 275-8371. WWW.DELTAAIRPORT:.:COM
Response; Understood,a building permit will be coordinated and obtained prior to plan.
approval:
D: Erosion and Sediment Control Plan.(ESCP):Virginia Code §62.1-44.15:55 requires the VESCP
authority to approve ordisapprove an ESCP.This plan is disapproved and the reasons are.
provided in the comments below.The erosion control plan content requirements can be found
in County Code section 17-402.
1.. The assigned WPO;#is WP0201900013:(to update the title blocks and other
references),
Response: Understood,the WOO#has been updated on applicable plan sheets and
: :project documents.
2. Provide a narrative and showon_the plans how:the:sediment trap serving the apron
expansion will function during construction. It should be located outside of the retaining
wall footprint-or-other measures may need to be provided: •
Response:A narrative has been provided on the Erosion and:Sediment Control Notes
: sheet C802-2 to:clarify the sequence of construction for the sediment trap..In summary,
the retaining wall will be constructed in three sections to allow for the:proper function
of the_sediment trapduringconstruction.The.final section of the retainingwall will be -.
. .
constructed once the surrounding area has been stabilized with the gravel base layer.
... Inlet protection will be utilized on the existing grate inlets.
Thank you foryour review. Should you have any questions, please call our office.
Sinerely,
•
ohn.D. Borgie, P.E.
Project_Manager. .. . . .
Enclosures:
Delta Project No. 17018/17019
RECEIVE
APR.1.6. 2019
CO
MMUNITY
NI