HomeMy WebLinkAboutEd Martin Buick GMS Prking Lot Exp Post SWPPP Review 3-16-13Project Name:
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Carmel Stormwater Pollution Prevention Plan Review
Ed Martin Buick GMC Parking Lot Expansion
Review Date:3/16/2013
Detailed Specifications
Construction Details
Description of potential pollutant sources associated with
proposed land use.
Post-construction stormwater quality measures:
Location
Post - Construction SWPPP
Sequence describing stormwater quality measure implementation
Stormwater quality measures to be implemented to prevent or
minimize adverse impacts to stream and riparian habitats.
An operation and maintenance manual for all post-construction
stormwater quality measures:
Description of when the proposed post construction stormwater quality measures will be installed in relation to the
general construction sequence.
A brief description of what a water quality BMP is and does.
Dimensions
Contact information for the BMP owner
Reviewed By: John Thomas
A description of each BMP
Telephone Number
Address
Name
Specific actions to be taken regarding routine maintenance, remedial
maintenance, and sediment/pollutant removal:
E-mail Address
A statement that the BMP owner is responsible for all maintenance and
A right-of-entry statement allowing the City of Carmel to inspect and
Sizing Calculations
Sediment/pollutant removal procedures should be explained in both
narrative and graphical forms.
Guidance on routine maintenance, such as mowing, litter removal,
woody growth removal, etc.
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The first report is due one year after construction is completed, with subsequent reports due each year within the
same month of the initial report. If there are any deficiencies found during the inspections, these should be
addressed. If the inspection report is not received within the month it is due, if there are deficiencies which were
not included in the report, or if any deficiencies included in the report are not addressed in a timely manner, the
BMP owner faces enforcement action from the City.
A tabular schedule should be provided listing all maintenance
activities and dates for performing these required activities
Site Drawings Showing:
Requirements regarding the submittal of annual inspection reports to the
City of Carmel Engineering Department.
Locations of the points of discharge for stormwater treated by the
BMPs
Cross sections of BMP features
Who will actually be charged with maintaining the BMPs
(maintenance staff, waste disposal company, etc.)
Locations of BMPs
Locations of the access easements to maintain the BMPs
Comments
Please show the location of the drainage/BMP easements on the SWPPP. Can the BMPs be
accessed from the City RoW or is an access easement needed?
2)Please clearly list out each Post-Construction BMP in this section. Please show the proposed
grading contours in bold for the safety shelf and areas below normal pool in the expansion.
a.The entire existing and proposed pond expansion will need to be retrofitted to qualify as the
secondary BMP. Please include this area within the construction limits. Please show the location
of all protection signage.
b.Show limits of native plantings.
c.Was the Water Quality Unit sized based on the Indianapolis treatment standards?
d.The pond will need to have an area equal to 1/3 the surface area of the pond planted with native
vegetation to qualify as a secondary BMP. Please provide a planting list of native species that will
be utilized. Due to the retrofit, it will be acceptable to realize this surface area by planting portions
of the safety shelf and pond banks with native species.
e.Please provide a pond cross section that shows the limits all native plantings and protection
signage. Plantings in the portions of the pond that aren't planned for disturbance can be plugs
within the safety shelf and should be slit seeded at a minimum on the pond banks. Please provide
a detail for the protection signage.
5)Please update O&M with the modifications to the pond and resubmit. Include pond cross section,
protection signage detail, and native planting list(s).