HomeMy WebLinkAboutPlan (2)REFERENCE IS MADE TO
1. Connecticut Guidelines for Soil Erosion and Sediment Control, January 1985.
2. Soil Survey of New London County Connecticut, U.S.D.A. Soil Conservation
Service 1983.
DEVELOPMENT
Proposed work will killow for the installation of a gravel access driveway through
a wetland area and the installation of associated drainage pipe.
DEVELOPMENT SCHEDU
It is anticipated that grading and construction activities will begin in October
2003 and will be completed within 1 month.
SEQUENCE OF CONSTRUCTION — INDIVIDUAL LOTS
1. Install erosion and sediment control devices.
2. Clear, grub and rough grade proposed driveway.
3. Install drainage pipe.
4. Install gravel surfoce.
5. Stabilize areas adjacent to driveway.
6. Remove erosion and sediment control devices.
DEVELOPMENT CONTROL PLAN
Prior to the commencement of operations in accordance with any permit issued
by the Town of Monlville, the. Contractor shall install all erosion and sediment
control devices.
The Contractor shall obtain a site inspection from the Town of Montville Wetlands
Officer to ensure that all erosion and sediment control measures have been
installed in accordance with this narrative. Upon certification with respect to the
installation of erosion and sediment control measures, the Contractor may
commence operations pursuant to the permit. Erosion and sediment control
devices shall be installed in accordance with the "Filter Barrier Installation &
Maintenance" and "Hay Bale Installation & Maintenance" sections of this narrative
hereinafter contained.
Final stabilization of the site is to follow construction. During the stabilization
period, all erosion and sediment control devices shall be maintained in proper
working order. The Owner/contractor shall be responsible for checking all erosion
and sediment control measures on a twice—weekly basis during the stabilization
period and after each storm event. During the stabilization period, with respect
to the site, any erosion which occurs within disturbed areas shall be immediately
repaired and restabilized.
Once stabilization ha been completed and certification thereof obtained in
writing from the Town of Montville Wetlands Officer, erosion and sediment control
devices shall be removed by the Contractor.
FILTER BARRIER INSTALLATION & MAINTENANCE
1.)
Dig a 6" trench on the uphill side of the barrier location.
with at least 2
2.)
Position the post:;
on the
downhill side of the barrier and
drive the post 1.5
feet
into the ground.
STRUCTURAL
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2.) Inspect bales after-
3.)
Lay the bottom 6"
of the
fabric in the trench to prevent
undermining and
backfill.
an area which is not
regulated by the Inland Wetlands
Commission,
4.)
Inspect and repair
barrier
after heavy rainfall.
necessary repairs will
5.)
Sediment deposits
are to
be removed when they reach a
height of one foot
behind the barrier and
are to
be deposited in an area which
is not regulated
by
the Inland Wetlands
Commission.
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DATE: 10/12/2003
6.)
Inspections and necessary
repairs will be made twice—weekly.
HAY BALE INSTALLATION & MAINTENANCE
1.) Each bale shall
be securely anchored
with at least 2
stakes and gaps
between bales shall
be wedged with straw
to prevent water
from passing
between the bales.
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2.) Inspect bales after-
each storm and repair or replace
promptly as needed.
Remove sediment behind the bales when
it has reached
half the height of the
bale and deposit in
an area which is not
regulated by the Inland Wetlands
Commission,
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3.) Inspections and
necessary repairs will
be made twice—weekly.
H
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=
WETLANDS DISTURBANCE
AREA OF DISTURBANCE 3,700± S.F.
MAXIMUM VOLUME OF FILL 200± C.Y.
DEFT 1 H OF FILL 18" MAXIMUM
QUALITY CONTROL CERTIFICATION
GROUP
REVIEWED DATE
PROJECT MANAGER T4<f! LSO— %,-,-
SURVEY
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FILE 3 41`L
LIMITS OF INLAND WETLANDS AS FLAGGED
BY IAN COLE, C.S.S.
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1{}/'12/03
SIGNATURE
DATE
FENCE OR HAY BALES IV/ r
THROUGHOUT CONSTRUCTION E. T. LECC &
ASSOCIATES
VOL 158/PC 831
FILTER'
FABRIC ANGLE 10' UP SLOPE
I FOR STABILITY AND
POST I SELF CLEANING
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COMPACTED\�\\�\��\\/ <v o
BACKFILL
SILT FENCE
NOT TO SCALE
TO MY KN AND BELIEF, THIS MAP IS SUBSTANTIALLY
CORRE T HEREON.
L.S. #9679
10/12/03
DATE
(2)-2"x?"x3'
STAKES
EACH I `IALE�
O O O O O O
HAYEALE BARRIER
NOT TO SCALE
4" MIN. PROCESSED
GRAVEL OR EQUIVALENT
LOAM AND
SEED SLOPE
BOTH SIDES
EXCAVATE 18" ORGANIC
MATERIAL OR AS NECESSARY
BACKFILL WITH BANKRUN GRAVEL
10' WIDE
• PROPOSED
DRIVEWAY
HATCH EXISTING
WETLANDS ELEVATION
BOTH SIDES
18" MIN. BANKRUN GRAVEL
INSTALL PIPE AS REQUIRED
INSTALL 100 SF
MODIFIED RIPRAP
BOTH SIDES
5`
EXISTING WETLANDS ELEVATION
DRIVEWAY THROUGH INLAND WE7 NDS
NOT TO SCALE
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