HomeMy WebLinkAboutSW7061016_APPROVED PLANS_20070328STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
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BEAUFORT COUNTY
BEAUFORT COUNTY INDUSTRIAL PARK
CONTRACT NO 1 - CIVIL SITEWORK
I CERTIFY THAT THESE PLANS WERE PREPARED UNDER
MY SUPERVISION A;FD DIRECTION AND THAT THEY ARE
CORRECT TO THE/ 3EST OF MY KNOWLEDGE AND BELIEF.
RICkARB'B./MOORE, PE
NC REGISTRATION NO. 20205
BEAUFORT COUNTY, NORTH CAROLINA
J U N E 159 2006
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INDEX OF PLANS
Contract No. and Title
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2 General Construction Notes
3 Site Plan
4 Drainage and Curb & Gutter Plan
5 Parking Layout Plan
6 Drainage Plan and Profile
7 Street and Drainage Construction Notes
8 Street and Drainage Construction Details
9 Water System Improvements Plan
10 Water System Construction Notes
11 Water System Construction Details
12 Erosion & Sedimentation Control Plan
13 Erosion & Sedimentation Control Construction Notes
14 Erosion & Sedimentation Control Construction Details
MAR 2 8 2007
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REVISIONS
FILE DIRECTORY-W:\D8xx_gen\D84x_eng\D8471D\Beau Co EDC IF
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DATE
DESCRIPTION
LA McDAVID ASSOCIATES, INC.
DRAINAGE PLAN AND PROFILE
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CONTRACT NO 1 - CIVILE SITEWORK
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SEAL
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BEAUFORT COUNTY INDUSTRIAL PARK - LOT 9
PROJECT NO.: 1-06-0307-4701
SURVEYED BY- FEB
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CORPORATE OFFICE BRANCH OFFICE
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3714 North Main Street 109 East Walnut Street
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BEAUFORT COUNTY
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COMPUTED BY: RBM
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Farmville, INC 27828 Goldsboro, INC 27533
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DRAWN BY: SRC/DCA
Telephone: (252) 753-2139 Telephone: (919) 736-7630
BEAUFORT NORTH CAROLINA
DATE: JUNE 15, 2006
APPROVED BY: RBM
Facsimile: (252) 753-7220 Facsimile: (919) 735-7351
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oaoo°` °O°°°< SECTION A -A SECTION B-8 SECTION CC
SHEET 12 OF 14
BIORETENTION BIORETENTION AREA NO. 1 BIORETENTION AREA NO. 2 BIORETENTION AREA NO. 3
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1. EROSION AND SEDIMENTATION CONTROL
A. Temporary
1. All land disturbed areas shall be graded to minimize runoff.
2. All land disturbed areas on the banks and approaches to ditch, stream
or creek crossings shall be graded not to exceed 2:1 ratio. Surface
water runoff shall be diverted from land disturbed areas.
3. Construct and maintain detention basins, silt traps, check dams and
barriers.
4. Divert all runoff into ditches, detention basins or slit basins.
5. Not more than three hundred (300) feet of trench shall be opened in
advance of completed backfill.
6. Trenches shall not remain open after normal working hours.
7. All land disturbed areas on the banks and approaches to ditch, stream
or creek crossings shall be fertilized, limed, seeded and mulched within
twenty four (24) hours of completion of any land disturbing activity.
8. All other land disturbed areas related to pipe installation shall be
fertilized, limed, seeded and mulched within ten (10) working days of
completion of any land disturbing activity.
9. Seeding will not be done in areas to receive pavement.
10. Failure by the CONTRACTOR to adequately implement the erosion
control measures described in these PLANS and SPECIFICATIONS may
result in the employment by the OWNER of an outside party to
accomplish these activities.
11. Payment for all costs incurred by the OWNER relating to the
employment of an outside party shall be reimbursed to the OWNER on
a monthly basis by the CONTRACTOR. Failure to reimburse the
OWNER shall result in the OWNER deducting payment for these costs
from payments to the CONTRACTOR.
B. Permanent
1. Final grading, soil preparation, fertilizing, liming, seeding and mulching
shall be completed in all land disturbed areas within thirty (30) working
days of completion of any lend disturbing activities.
2. SEEDING PRODUCTS
A. Topsoil capable of sustaining vigorous plant growth, not in frozen or muddy
condition, containing not less than six (6) percent organic matter, and
corrected to pH of 5.9 to 7.0.
B. Lime shall be dolomitic agricultural -ground limestone containing not less
than ten (10) percent magnesium oxide.
C. Fertilizer shall be commercial type 10-20-20 with fifty (50) percent of the
elements derived from organic sources.
D. Seed.
1. Seed shall be certified seed or equivalent based on North Carolina Seed
Improvement Association requirements for certification. All seed shall
be furnished in sealed standard containers. Seed which has become
wet, moldy, or otherwise damaged prior to seeding, will not be
acceptable.
2. One (1) percent maximum weed seed content permitted.
3. Seasonal mixtures for NC DOT right-of-ways:
a. From September 1 to April 1:
Seventy-five (75) pounds per acre of Kentucky 31 Fescue, fifty
(50) pounds per acre of Pensacola Bahiagrass, and five (5) pounds
per acre of Centipede.
b. From April 1 to September 1:
Seventy-five (75) pounds per acre of Pensacola Bahiagrass, fifty
(50) pounds per acre of Kentucky 31 Fescue, and five (5) pounds
per acre of Centipede.
4. Alternative seasonal mixtures outside NC DOT right-of-ways:
a. From November 15 to March 1:
Twenty-five (25) pounds per acre Rye Grain, seventy-five (75)
pounds per acre of Tall Fescue, Kentucky 31 or Alta Tall Fescue
and fifty (50) pounds per acre Pensacola Bahiagrass.
b. From March 1 to May 15:
Seventy-five (75) pounds per acre of Tall Fescue, Kentucky 31 or
Alta Tall Fescue and fifty (50) pounds per acre Pensacola
Bahiagrass.
EROSION AND SEDIMENTATION CONTROL CONSTRUCTION NOTES
c. From May 15 to September 15:
Sixty (60) pounds per acre of Pensacola Bahiagrass and forty (40)
pounds per acre of Annual Lespedeza (Kobe or Korean).
d. From September 15 to November 15:
Seventy-five (75) pounds per acre Tall Fescue, Kentucky 31 or
Alta Tall Fescue and fifty (50) pounds per acre Pensacola
Bahiagrass.
E. Mulching material shall be oat or wheat straw, in dry condition, reasonably
free from weeds and foreign matter detrimental to plant life.
3. GENERAL CONDITIONS
A. When conditions are such by reason of drought, high winds, excessive
moisture or other factors where satisfactory results will not be obtained,
the WORK shall be stopped, and resumed only when conditions are
favorable.
4. SEEDBED PREPARATION
A. Protect existing underground improvements from damage.
B. Clear the ground surface of stumps, stones, roots, cables, wire, grade
stakes, and other materials that might hinder proper grading, tillage,
seeding or subsequent maintenance operations.
C. Remove contaminated subsoil.
D. Grade to eliminate rough spots and low areas where ponding may occur.
Maintain smooth, uniform grade.
E. Assure positive drainage away from buildings.
F. Finish ground level firm and sufficient to prevent sinkage pockets when
irrigation is applied.
G. Grades on the area to be seeded shall be maintained to a true and even
condition. Maintenance shall include any necessary repairs to previously
graded areas.
H. Uniformly apply lime at a rate of 4000 pounds per acre prior to preparation
of seedbed.
I. Thoroughly till all graded areas to a depth of at least five (5) inches by
plowing, disking, harrowing, or other approved methods until the condition
of the soil is acceptable. On sites where soil conditions are such that high
clay content and excessive compaction cause difficulty in getting clods and
lumps effectively pulverized, use rotary tillage machinery until soil mixture
is acceptable and no clods or clumps larger than one-half (%2) inch in
diameter remain.
J. Remove from site, foreign materials collected during tilling.
K. Uniformly apply fertilizer at a rate of 500 pounds per acre of 10-20-20
analysis.
L. Incorporate the fertilizer into the upper three (3) or four (4) inches of
prepared seedbed just prior to the last tillage operation. However, never
apply fertilizer more than three (3) days prior to seeding. Use fertilizer
immediately after delivery or store it in a manner that will not permit it to
harden or destroy its effectiveness.
M. The seedbed should be firm and compact. Prior to seeding, grade the
seedbed and lightly compact it with a land roller, such as a cultipacker.
5. SEEDING
A. Do not sow seed immediately following rain, when ground is too dry, or
during windy periods. Do not apply grass seed and fertilizer at the same
time in the same machine.
B. Apply seed at specified seasonal rate.
C. Rake seed in lightly.
D. Roll seeded area with roller not exceeding 112 pounds (50 kg).
E. Apply water with fine spray immediately after each area has been sown.
6. MULCHING PRACTICES
A. Apply one (1) to two (2) tons of mulching material per acre to seeded
areas. Apply mulching material with mechanical type equipment and obtain
a uniform distribution which permits sunlight to penetrate to the ground
surface. Bare areas and areas with thick clumps of straw are not
acceptable.
B. Anchor mulching material.
1 . In areas with gentle slopes, crimp mulching material into soil.
2. On steeper slopes such as the sides of swales, anchor mulch with
netting or asphalt tack.
3. On road shoulders, anchor mulch with asphalt tack if crimping is
unsuccessful.
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4. Use asphalt tack in lieu of crimping when required by regulatory 0
agencies or if directed by the ENGINEER. Typically, asphalt tack in lieu
of crimping will be required in areas with high traffic because of wind
generated by the traffic.
5. On slopes steeper than 2: 1, jute, excelsior, or synthetic matting may
be required to protect the slope from erosion. They should be installed
before mulch is applied to surrounding areas.
7. WATERING
A. Lightly water to aid breakdown of fertilizer and to provide moist soil for
seed.
8. MAINTENANCE PERIOD
A. Maintenance Period: until final acceptance.
9. MAINTENANCE
A. Maintain surfaces and supply additional topsoil where necessary, including
areas affected by erosion.
B. Water to ensure uniform seed germination and to keep surface of soil
damp.
C. Apply water slowly so that surface of soil will not puddle and crust.
D. Except for rye grain, cut grass first time when it reaches height of two and
one-half (2%2) inches (60 mm) and maintain to minimum height of two (2)
inches (50 mm). Do not cut more than 1/3 of blade at any one mowing.
E. If rye grain is planted mow to maintain grass height between three (3) and
six (6) inches until Fescue matures enough to provide ground cover.
F. After first mowing water grass sufficient to moisten soil from three (3)
inches to five (5) inches (76 to 127 mm) deep.
G. Apply weed killer when weeds start developing, during calm weather when
air temperature is above fifty (50) degrees Fahrenheit [ten (10) degrees
Celsius].
H. Replant damaged grass areas showing root growth failure, deterioration,
bare or thin spots, and eroded areas.
10. RESTORATION
A. Restore grassed areas until accepted.
11. ACCEPTANCE
A. Seeded areas will be accepted at end of maintenance period when seeded
areas are properly established and otherwise acceptable.
END OF EXHIBIT
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PLYWOOD INLET PROTECTION FOR STORM DRAIN UNDER CONSTRUCTION
Steel Fence I Upstream End _
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Overflow
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Washed Stone Filter
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STONE FILTER INLET PROTECTION FOR STORM DRAIN UNDER CONSTRUCTION
12 1/2 GAUGE
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SD070000
20041215
SD071000
50' MINIMUM
EXISTING
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CONSTRUCTION °
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ENTRANCE/EXIT
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NOTES:
1. FENCE FABRIC SHALL BE A MAXIMUM OF 32
INCHES IN WIDTH AND SHALL HAVE A MINIMUM
OF 6 LINE WiRES WITH 12" STAY SPACING.
2. SYNTHETIC FILTER FABRIC SHALL BE A MINIMUM
OF 36 INCHES IN WIDTH AND SHALL BE
SECURELY FASTENED TO THE WARE.
3. STEEL POSTS SHALL BE 5'-0" IN HEIGHT AND
BE OF THE SELF -FASTENER ANGLE STEEL TYPE.
4. WOOD POSTS SHALL BE 5 TO 6 FEET IN
HEIGHT AND 3 TO 4 INCHES IN DIAMETER.
WIRE FABRIC SHALL BE FASTENED TO WOOD
POSTS WITH NOT LESS THAN 1 1/2" LONG
#9 WIRE STAPLES.
5. SILT FENCES SHALL BE INSTALLED AROUND ALL
CATCH BASINS AND DROP INLETS.
6. SILT FENCES SHALL BE PROVIDED AS
NECESSARY TO PREVENT EXCESSIVE EROSION.
STONE FILTER INLET PROTECTION I A I TEMPORARY SEDIMENT FENCE
SD070505 I
REV.910128
AT EACH END OF DROP INLET
ORIENT ONE BLOCK WITH HOLES
SIDEWAYS TO ALLOW WATER
THROUGH.
PLAN
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50' MINIMUM
PROVIDE SMOOTH TRANSITION BETWEEN
STABLILIZED CONSTRUCTION ENTRANCE
AND PUBLIC ROAD.
10't
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PROFILE
CONSTRUCTION SPECIFICATIONS
STONE SIZE - USE WASHED STONE 2" - 3" SIZE.
LENGTH - AS EFFECTIVE, BUT NOT LESS THAN 50 FEET.
THICKNESS - NOT LESS THAN SIX (6) INCHES.
WIDTH - NOT LESS THAN FULL WIDTH OF ALL POINTS OF INGRESS OR EGRESS, MINIMUM 14 FT.
WASHING -WHEN NECESSARY, WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR TO
ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. WHEN WASHING IS REQUIRED, IT SHALL BE DONE ON
AN AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN APPROVED SEDIMENT TRAP
OR SEDIMENT BASIN. ALL SEDIMENT SHALL BE PREVENTED FROM ENTERING ANY STORM DRAIN,
DITCH, OR WATERCOURSE THROUGH USE OF SAND BAGS, GRAVEL, BOARDS OR OTHER
APPROVED METHODS.
MAINTENANCE: THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT
TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC RIGHTS -OF -WAY. THIS MAY REQUIRE
PERIODIC TOP DRESSING WITH ADDITIONAL STONE AS CONDITIONS DEMAND AND REPAIR AND/OR
CLEAN OUT OF ANY MEASURES USED TO TRAP SEDIMENT. ALL SEDIMENT SPILLED, DROPPED,
WASHED OR TRACKED ONTO PUBLIC RIGHTS -OF -WAY MUST BE REMOVED IMMEDIATELY.
B I TEMPORARY GRAVEL CONSTRUCTION
ENTRANCE / EXIT
SD 070504
SPILLWAY SHALL BE I' MIN.
SP1 4WAY SHALL
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BELOW LEVEL OF LOWEST BANK.
BE I MIN. BELOW
21 fTREAM WIDTH
LEVEL OF
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SECTION -AA
FILTER FABRICUNDER
SECTION-99
HARDWARE CLOTH
WITH HOLES SIDEWAYS
ALL STONE AND RIP -RAP
A. 2K2 MESH, 20 G
DROP
COVER HOLES WITH
MIN. WIRE.
INLET
HARDWARE CLOTH.
BURY BOTTOM ROW OF
CONCRETE BLOCKS
2"MIN. IN GROUND.
BLOCK & GRAVEL FILTER FOR DROP INLET
El RIP -RAP /GRAVEL FILTER CHECK DAM
20041216
1. PRODUCTS
A. Topsoil shall be capable of sustaining vigorous plant growth, not in
frozen or muddy condition, containing not less than six (6)
percent organic matter, and corrected to pH of 5.9 to 7.0.
B. Lime shall be dolomitic agricultural -ground limestone containing
not less than ten (10) percent magnesium oxide.
C. Fertilizer shall be commercial type 10-20-20 with fifty (50)
percent of the elements derived from organic sources.
D. Seed.
1. Seed shall be certified seed or equivalent based on North
Carolina Seed Improvement Association requirements for
certification. All seed shall be furnished in sealed standard
containers. Seed which has become wet, moldy, or otherwise
damaged prior to seeding, will not be acceptable.
2. One (1) percent maximum weed seed content permitted.
3. Seasonal mixtures for NC DOT right-of-ways:
a. From September 1 to April 1:
Seventy-five (75) pounds per acre of Kentucky 31 Fescue,
fifty (50) pounds per acre of Pensacola Bahiagrass, and
five (5) pounds per acre of Centipede.
b. From April 1 to September 1:
Seventy-five (75) pounds per acre of Pensacola
Bahiagrass, fifty (50) pounds per acre of Kentucky 31
Fescue, and five (5) pounds per acre of Centipede.
4. Alternative seasonal mixtures outside NC DOT right-of-ways:
a. From November 15 to March 1:
Twenty-five (25) pounds per acre of Rye Grain,
seventy-five (75) pounds per acre of Tall Fescue,
Kentucky 31 or Alta Tall Fescue and fifty (50) pounds per
acre of Pensacola Bahiagross.
b. From March 1 to May 15:
Seventy-five (75) pounds per acre of Tall Fescue,
Kentucky 31 or Alta Tall Fescue and fifty (50) pounds per
acre of Pensacola Bahlagross.
c. From May 15 to September 15:
Sixty (60) pounds per acre of Pensacola Bahiagrass and
forty (40) pounds per acre of Annual Lespedeza (Kobe or
Korean).
d. From September 15 to November 15:
Seventy-five (75) pounds per acre of Tall Fescue,
Kentucky 31 or Alta Tall Fescue and fifty (50) pounds per
acre of Pensacola Bahiagrass.
E. Mulching material shall be oat or wheat straw, in dry condition,
reasonably free from weeds and foreign matter detrimental to
plant life.
2. GENERAL CONDITIONS
A. When conditions ore such by reason of drought, high winds,
excessive moisture or other factors where satisfactory results will
not be obtained, the WORK shall be stopped, and resumed only
when conditions are favorable.
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CLASS RIP RAP DESIGN OUTLET PROTECTION o
3. SEEDBED PREPARATION
A. Protect existing underground improvements from damage.
B. Clear the ground surface of stumps, stones, roots, cables, wire,
grade stakes, and other materials that might hinder proper
grading, tillage, seeding or subsequent maintenance operations.
C. Remove contaminated subsoil.
D. Grade to eliminate rough spots and low area where ponding may
occur. Maintain smooth, uniform grade.
E. Assure positive drainage away form buildings.
F. Finish ground level firm and sufficient to prevent sinkage pockets
when irrigation is applied.
G. Grades on the area to be seeded shall be maintained to a true
and even condition. Maintenance shall include any necessary
repairs to previously graded areas.
H. Uniformly apply lime at a rate of 4000 pounds per acre prior to
preparation of seedbed.
I• Thoroughly till all graded areas to a depth of at least five (5)
inches by plowing, disking, harrowing, or other approved methods
until the condition of the soil is acceptable. On sites where soil
conditions are such that high clay content and excessive
compaction cause difficulty in getting clods and lumps effectively
pulverized, use rotary tillage machinery until soil mixture is
acceptable and no clods or clumps larger than one-half (1/2)
Inch in diameter remain.
J. Remove from site foreign materials collected during tilling.
K. Uniformly apply fertilizer at a rate of 500 pounds per acre of
10-20-20 analysis.
L. Incorporate the fertilizer into the upper three (3) or four (4)
inches of prepared seedbed just prior to the last tillage operation.
However, never apply fertilizer more than (3) days prior to
seeding. Use fertilizer immediately after delivery or store it in a
manner that will not permit it to harden or destroy its
effectiveness.
M. The seedbed should be firm and compact. Prior to seeding, grade
the seedbed and lightly compact it with a land roller• such as a
cultipacker.
4. SEEDING
A. Do not sow seed immediately following rain, when ground is too
dry, or during windy periods. Do not apply grass seed and
fertilizer at the some time in the same machine.
B. Apply seed at specified seasonal rate.
C. Rake seed in lightly.
D. Roll seeded area with roller not exceeding 112 pounds (50 kg).
E. Apply water with fine spray immediately after each area has been
sown.
S. MULCHING PRACTICES
A. Apply one (1) to two (2) tons of mulching material per acre to
seeded areas. Apply mulching material with mechanical type
equipment and obtain a uniform distribution which permits sunlight
to penetrate to the ground surface. Bare areas and areas with
thick clumps of straw are not acceptable.
SEEDING CONSTRUCTION NOTES
SEEDING NOTES
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B. B. Anchor mulching material. % m m m
1. In areas with gentle slopes, crimp mulching material into soil. u E m �y.I
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2. On steeper slopes such as the sides of swales, anchor mulch 00 W M < a
with netting or asphalt tack. o dl N o n a
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3. On road shoulders, anchor mulch with asphalt tack if crimping rn 2
is unsuccessful. 1 o n 03 o
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4. Use asphalt tack in lieu of crimping when required by o o m o
regulatory agencies or if directed by the ENGINEER. Typically, 3 a m r1 asphalt tack in lieu of crimping will be required in areas with
high traffic because of wind generated by the traffic. } w w w �j o
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5. On slopes steeper than 2:1, jute, excelsior, or synthetic or Z z w I v
matting may be required to protect the slope from erosion. U w w LO
They should be installed before mulch is applied to surrounding L
areas. j3 F¢ z z in Z
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6. WATERING aOoaoQ<11
A. Lightly water to aid breakdown of fertilizer and to provide moist 0 0 � M a o N 1a-
soil for seed.
7. MAINTENANCE PERIOD Q
A. Maintenance Period: until final acceptance.
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8. MAINTENANCE
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A. Maintain surfaces and supply additional topsoil where necessary,
including areas affected by erosion. 0
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B. Water to ensure uniform seed germination and to keep surface of N Y
soil damp. --I Y Of
C. Apply water slowly so that surface of soil will not puddle and
crust. 0 J
D. Except for rye grain, cut grass first time when it reaches height JO W Q
of two and one-half (2 1/2) inches (60 mm) and maintain to of P o� (-
minimum of two (2) inches (50 mm). Do not cut more than 1/3 F- FnI- Z
of blade at any one mowing. Z J to
E. If rye grain is planted mow to maintain grass height between U > 0 O
three (3) and six (6) inches until Fescue matures enough to Z Z U
provide ground cover. _O e.i F. After first mowing water grass sufficient to moisten soil from
three (3) inches to five (5) inches (76 to 127 mm) deep. Z ZO
G. Apply weed killer when weeds start developing, during calm LU O = LL
weather when air temperature is above fifty (50) degrees r- Z O
Fahrenheit [ten (10) degrees Celsius]. 0 U (-) Q
H. Replant damaged grass areas showing root growth failure, ad
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deterioration, bare or thin spots, and eroded areas. Q' O
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9. RESTORATION U) Z
A. Restore grassed areas until accepted. D_ O W
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10. ACCEPTANCE
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A. Seeded areas will be accepted at end of maintenance period when
seeded areas are properly established and otherwise acceptable. [r
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GSHEET 14 OF 14
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