Chapter 6 - Construction
Site Stormwater Run-Off Control MCM
6.0
Introduction
This
chapter describes the construction site stormwater run-off
control minimum control measure, the fourth of six measures
the Operator of a Phase II regulated small Municipal
Separate Storm Sewer System (MS4) is required to include in
its stormwater management program to meet the conditions of
its National Pollutant Discharge Elimination System (NPDES)
permit. The construction site stormwater runoff control MCM
regulates areas undergoing new development or redevelopment
of one acre or more.
Construction site stormwater management in areas undergoing
new development or redevelopment is necessary because
polluted stormwater run-off from construction sites often
flows to MS4 conveyances and ultimately discharges into
receiving waters untreated.
Each
section of this plan describes a Best Management Practice
(BMP). Each BMP is accompanied by its own implementation
schedule. The implementation schedule informs the MS4
Operator and their designated personnel of the tasks to
complete for each year. The MS4 Operator will require that
the parties responsible for each construction site
stormwater run-off control record and report annually on the
items to be tracked so that the MS4 Operator may include
them in the annual report to IDEM.
Measurable Goal:
The construction site run-off control program aims to reduce
the amount of total suspended solids leaving individual
construction sites by 80%. The goal is to achieve the 80%
reduction during the construction period of any new
development required to gain local approval.
The
following is the construction site stormwater run-off
control program.
6.1
Development of a Regulatory Mechanism
The
purpose of the regulatory mechanism for construction site
stormwater run-off control is to establish minimum
stormwater management requirements and controls to protect
and safeguard the general health, safety, and welfare of the
public residing in watersheds within the MS4 area during
construction activities. This regulatory mechanism applies
to the following sites with land-disturbing activities:
those involving construction activities with a land
disturbance greater than or equal to one acres, or
disturbances of less than one acre of land that are part of
a larger common plan of development or sale if the larger
common plan will ultimately disturb one or more acres of
land.
The City
of Logansport will use an overall Stormwater Ordinance with
a Chapter titled Erosion and Sediment Control for its
regulatory mechanism. The Ordinance will be written to be
in accordance with 327 IAC 15-13 and 327 IAC 15-5.
The
Ordinance will include construction site plan submittal
requirements, a general description of the City’s review and
inspection process, and a description of enforcement
procedures.
6.1.1 Implementation Schedule
The
implementation of the City’s construction site run-off
control regulatory mechanism, otherwise referred to as the
Erosion and Sediment Control Chapter of the Stormwater
Ordinance, will be the responsibility of the MS4 Operator
who will pursue the following schedule:
Year
1 (ending Nov 2004):
Develop a draft Chapter for construction stormwater
run-off. The City will submit the draft Chapter to DNR for
their review and comments.
Year
2 (ending Nov 2005):
Update the Erosion and Sediment Control Chapter as
necessary. The City will then adopt the Chapter as part of
the Stormwater Ordinance.
Year
3 (ending Nov 2006):
Review the Erosion and Sediment Control Chapter and note
any suggested improvements. Update the Chapter and amend
the Stormwater Ordinance as necessary.
Year
4 (ending Nov 2007):
Review the Erosion and Sediment Control Chapter and note
any suggested improvements. Update the Chapter and amend
the Stormwater Ordinance as necessary.
Year
5 (ending Nov 2008):
Review the Erosion and Sediment Control Chapter and note
any suggested improvements. Update the Chapter and amend
the Stormwater Ordinance as necessary.
6.1.2 Items to be Tracked
The
following items will be recorded on the corresponding
reporting form located at the end of this chapter.
6.2 Site Plan Review Process
The
development standards will be written to be in accordance
with 327 IAC 15-13 and 327 IAC 15-5. According to 327 IAC
15-13, the permitting process and associated timetables for
site plan and application submittals listed in 327 IAC 15-5
do not have to be followed. The City of Logansport will
develop standardized timetables for all construction site
plan reviews and application submittals.
The City
of Logansport, through the Stormwater Management Board,
reviews construction site plans submitted for non-MS4
operated projects to the City, and inspects the sites during
construction. The City will give the SWCD the opportunity
to review each of these plans prior to the City’s approval
of the submitted plans. Failure of the SWCD to respond
within a predetermined time period should not delay final
action of the MS4 Operator to approve plans.
After
the City gives approval, the construction site operator is
responsible to submit a Notice of Intent (NOI) Letter to
IDEM.
Before
construction begins, the City will perform a site inspection
to verify that BMPs that were proposed in the permit
application have been installed. Periodic site inspections
will be performed for the duration of the construction
period. Inspection of construction sites will be
prioritized based on size of development, proximity of the
development to sensitive areas, and sites with a history of
noncompliance.
For
sites found to be in noncompliance with their approved
permit, enforcement actions will be taken, such as, stop
work orders and administrative fines.
For the
duration of the MS4 permit term, the SWCD will be given the
opportunity to review and inspect all MS4 operated
projects. Only after the local SWCD Director gives written
permission to the City giving them the authority to perform
self monitoring will the MS4 Operator will no longer be
required to submit MS4 operated projects to the SWCD for
their review.
For MS4
operated projects, the site plan submittal may include
additional items that are not required for non-MS4 operated
projects. The additional items include a traffic phasing
plan for those projects that have the potential to alter
vehicular traffic routes, utility relocation areas, material
hauling and transportation routes/roads, borrow pits,
temporary staging and materials stock-pile areas, and
temporary disposal areas for waste materials.
These additional items will only be for
those projects that have the potential to directly impact
the water quality of the MS4’s receiving streams. This could
be caused by construction activity such as temporary bridges
for bridge replacement projects or where road construction
activity is adjacent to a river or stream bank. It also
includes areas where temporary roads must be constructed.
Projects that use existing roads for rerouting need not
require traffic phasing plans.
The City
will review all projects
in
coordination with the Logansport/Cass County Plan
Commission
within
the MS4 area. They may choose to review projects within the
extra-jurisdictional area and provide comments to the
extra-jurisdictional review authorities for their
consideration.
The site
plan review process is generally described in the Ordinance
and more detail will be provided in the City of Logansport’s
Development Standards.
The MS4
Operator will be required to submit a monthly summary report
of construction projects to IDEM. This certification form
is located in
Appendix F, State Form 51276 (R3/
11-03).
6.2.1 Implementation Schedule
The
implementation of the development of Site Plan Review
Procedures will be the responsibility of the MS4 Operator
who will pursue the following schedule:
Year
1 (ending Nov 2004):
Approve the establishment of a local plan review and comment
procedures for all construction site plans and construction
site inspections, as described above and in the City of
Logansport’s Development Manual.
Year
2 (ending Nov 2005):
Review plan review and comment procedures for all
construction site plans and construction site inspections
and update as necessary.
Year
3 (ending Nov 2006):
Review plan review and comment procedures for all
construction site plans and construction site inspections
and update as necessary.
Year
4 (ending Nov 2007):
Review plan review and comment procedures for all
construction site plans and construction site inspections
and update as necessary.
Year
5 (ending Nov 2008):
Review plan review and comment procedures for all
construction site plans and construction site inspections
and update as necessary.
6.2.2 Items to be Tracked
The
following items will be recorded on the corresponding
reporting form located at the end of this chapter.
-
Number of reviews by the SWCD;
-
Number
of construction sites permitted for stormwater
quality;
-
Number
of construction sites inspected; and
-
Number
and type of enforcement actions taken against construction
site operators.
6.3
Public Participation
The MS4
Operator will establish procedures for receipt and
consideration of public inquiries, concerns, and requests
for information regarding local construction activities.
These procedures will, at a minimum, implement a tracking
process in which submitted public information, both written
and verbal, documenting it and giving it to the appropriate
staff.
These
procedures, as well as their implementation timeline and
measurable goal are addressed in Chapter 4, Public
Participation and Involvement.
6.4
Annual Training of MS4 Personnel
Current Employees:
Current employees whose work could affect stormwater
quality, including but not limited to personnel involved in
site plan review, inspection and enforcement, will be
required to complete training on stormwater related
policies, programs, and procedures. This training will be
documented. The documentation will be retained by the City.
During
subsequent years, employees will be required to complete an
annual refresher training program. This training will be
documented. The documentation will be retained by the City.
New
Employees:
New employees whose work involves construction stormwater
run-off control will be required to complete training. This
training will take place within the first two months of
employment. This training will involve instruction on plan
review, inspection protocol, enforcement procedures and
appropriate control measures. This training will be
documented. The documentation will be retained by the City.
6.4.1 Implementation Schedule
The
implementation of training for MS4 personnel will be the
responsibility of the MS4 Operator who will pursue the
following schedule:
Year
1 (ending Nov 2004):
Approve the development of annual training for MS4 personnel
on construction stormwater run-off controls, as described
above.
Year
2 (ending Nov 2005):
Develop and implement training policy and procedures for
personnel training on construction stormwater run-off
controls. Begin training employees.
Year
3 (ending Nov 2006):
Continue training employees.
Year
4 (ending Nov 2007):
Continue training employees.
Year
5 (ending Nov 2008):
Continue training employees. Evaluate the policies,
procedures, and training methods; and begin implementing
recommended changes.
6.4.2 Items to be Tracked
The
following items will be recorded on the corresponding
reporting form located at the end of this chapter.
-
Number
and names of new employees trained about stormwater quality
related policies and procedures; and
-
Number
and names of current employees trained about stormwater
quality related policies and procedures.
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