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THIS SHEET TO BE
USED FOR EROSION
CONTROL ONLY.
PERSON RESPONSIBLE FOR EROSION CONTROL
MARK GRADISON - SWINLEY FOREST, LLC
6330 EAST 75th STREET, SUITE 156
INDIANAPOLIS, INDIANA 46250
PHONE:(317) 506-1037
EMAIL:mgradison@gradison.net
REAR CURB GUARD FLAP
WITH MAGNETIC TIE-DOWNS
STANDARD 2"
OVERFLOW AREA LIFT HANDLES 11 GAUGE STEEL
SUSPENSION SYSTEM
STAINLESS STEEL
CLAMPING BAND
2-PLY REPLACEABLE
SEDIMENT BAGS WITH
GEOTEXTILE FILTER FABRIC
TYPICAL CURB BOX
INLET FILTER
TYPICAL FLAT / RECTANGULAR /
ROLLED CURB INLET FILTER
TYPICAL ROUND
INLET FILTER
TYPICAL INSTALLATION
INSTALLATION
1.REMOVE GRATE.
2.DROP FLEXSTORM INLET FILTER ONTO
LOAD BEARING LIP OF CASTING OR
CONCRETE STRUCTURE.
3.REPLACE GRATE.
IPP FLeXstorm INLET FILTER SPECIFICATIONS
MATERIAL PROPERTY TEST METHOD VALUE (min ave)
INNER FILTER BAG SPECS (2 ft³ min vol)NON-WOVEN WOVEN MONO
GRAB TANSILE ASTM D 4632 100 lbs.200 lbs.
PUNCTURE STRENGTH ASTM D 4833 65 lbs.90 lbs.
TRAPEZOIDAL TEAR ASTM D 4533 45 lbs.75 lbs.
UV RESISTANCE ASTM D 4355 70% at 500 hrs 90%
APP OPEN SIZE (AOS)ASTM D 4751 70 sieve (0.212mm)40 seive (0.425mm)
PERMITTIVITY ASTM D 4491 2.0 / sec.2.1 / sec.
WATER FLOW RATE ASTM D 4491 145 gpm / sqft 145 gpm / sqft
POLYESTER OUTER REINFORCEMENT BAG SPECIFICATIONS
WEIGHT ASTM D 3776 4.55 oz / sqyd ± 15%
THICKNESS ASTM D 1777 0.040 ± 0.005
FRAME CONSTRUCTION
A36 STRUCTURAL STEEL;
11 GAUGE; ZINC PLATED ASTM A 576 TENSILE STRENGTH > 58,000 psi;
YIELD STRENGTH > 36,000 psi
CURB INLET SEDIMENT CONTROL DEVICE
OR ACCEPTABLE DEVICE BY CITY OF CARMEL
WITH IN PUBLIC RIGHT OF WAY
NOT-TO-SCALE
FILTER FABRIC
YARD INLET CASTING
#4 GAUGE WIRE (TYP.)
SILT PROTECTION FOR
DITCH GRATE CASTINGS
(NEENAH R-4342)
DROP INLET PROTECTION BASKET DETAIL
NOT-TO-SCALE
MAINTENANCE
1.INSPECT THE DROP INLET PROTECTION AFTER EACH STORM EVENT,
AND MAKE NEEDED REPAIRS IMMEDIATELY.
2.REMOVE SEDIMENT FROM THE POOL AREA TO ENSURE ADEQUATE
RUNOFF STORAGE FOR THE NEXT RAIN.
3.WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED,
REMOVE ALL BARRELS, CONSTRUCTION MATERIAL, AND SEDIMENT
AND DISPOSE OF PROPERLY, GRADE THE DISTURBED AREA TO THE
ELEVATION OF THE TOP OF THE INLET AND STABILIZE.
NOTES:
1.IT IS THE INTENT OF THIS DEVICE TO DETAIN WATER FOR THE
PURPOSE OF ALLOWING SUSPENDED SOLIDS IN THE WATER TO
SETTLE OUT BEFORE THE WATER ENTERS THE STORM STRUCTURE.
SOME FILTERING WILL OCCUR AS WATER PASSES THROUGH THE
DEVICE.
2.THE BOTTOM OF THIS DEVICE IS TO SEAL AGAINST THE FLAT
OUTER PART OF THE CASTING. THE OVERALL DIMENSION OF THE
BASKET SHALL BE NO SMALLER THAN THE WATER INLET
PERFORATIONS IN THE CASTING AND NO LARGER THAN THE OUTER
DIMENSIONS OF THE CASTING. THE HEIGHT SHALL BE 15".
3.THE BASKET FRAME SHALL BE WELDED WIRE MESH ROLLED OR
BENT AND WELDED TO ITSELF TO FIT THE CASTING. THE WIRE SIZE
SHALL BE NO SMALLER THAN .149" DIA. AND OPENINGS NO LARGER
THAN 18 SQ. IN. IT IS IMPORTANT THAT THE BOTTOM OF THE WIRE
FRAME BE SMOOTH SO AS NOT TO ALLOW ANY LEAKAGE BETWEEN
THE BASKET AND CASTING. THE TOP OF THE BASKET SHALL BE
OPEN TO PREVENT FLOODING DURING HEAVY STORM EVENTS.
4.FABRIC SHALL BE WOVEN POLYPROPYLENE ALLOWING 15 - 25
GAL./MIN./SQ. IN. IF NON-WOVEN FABRIC IS USED, THE
MAINTENANCE INTERVALS SHOULD BE INCREASED TO REPLACE
SILT LADEN FABRIC. THE FABRIC SHALL BE ATTACHED TO THE
FRAME AND FOLDED UNDER THE BOTTOM TO HELP SEAL AGAINST
THE CASTING.
5.THIS DEVICE SHOULD BE USED IN CONJUNCTION WITH OTHER BEST
MANAGEMENT PRACTICES TO MAXIMIZE THE EFFICIENCY OF THE
EROSION CONTROL PLAN.
6.SUPPLIERS FOR THIS PRODUCT INCLUDE:
LAKESIDE SUPPLY (317) 281-2661
TURFGRASS INC.(317) 894-3276
5'-0"
1'
-
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"
(
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)
ROCK ABUTMENT
SPILLWAY
CREST ELEV.
ROCK
APRON
FILTER
FABRIC
1'
-
6
"
(
M
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)
1'-0" (MIN.)
UPSTREAM
GRAVEL FACING
5'-0" (MIN.)
2'
-
0
"
#8 STONE FACING
1
'
-
0
"
(
M
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N
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)
6" RIP-RAP
5'-0
"
FL
O
W
SEE SHEET C301A FOR
SPILLWAY ELEV.
ROCK HORSE SHOE DAM DETAIL
NOT TO SCALE
TOP VIEW
300
275
250
225
200
175
150
125
100
75
50
25
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DC
C
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B
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A
B
A
SLOPE GRADIENT
SL
O
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E
L
E
N
G
T
H
(
F
T
.
)
6'
3'
3'
6'
3'
1.5'
3'
4'
2'
4'
2'
3'
1.5'
4'
2'
20"3'
1 STAPLE
PER SQ. YD.
11 2 STAPLES
PER SQ. YD.
2 STAPLES
PER SQ. YD.
312 STAPLES
PER SQ. YD.
A B C D
STAPLE PATTERNS APPLY TO ALL NORTH
AMERICAN GREEN EROSION CONTROL
BLANKETS. STAPLE PATTERNS WILL
VARY DEPENDING UPON SLOPE LENGTH,
SLOPE GRADE, SOIL TYPE, AND AVERAGE
ANNUAL RAINFALL.
EROSION CONTROL BLANKET
STAPLE PATTERN GUIDE
NOT TO SCALE
PLASTIC WASHERS
ON TIES (TYP.)
CURB INLET
PROTECTION MAT
RUNOFF
NOTES:
1.INSPECT AND REPAIR AS NEEDED, AND REMOVE ANY ACCUMULATED SEDIMENTS
AFTER EVERY STORM.
2.THE MAT IS DESIGNED TO BE ATTACHED OVER THE TOP OF THE CURB INLET GRATE
WITH PLASTIC CABLE TIES (75# STRENGTH MIN.). THE OVERALL DIMENSION OF THE
MAT SHALL ALLOW FOR 2" BEYOND THE WATER INLET PERFORATIONS IN THE
CASTING. THE EXCEPTION TO THIS WOULD BE ALONG THE TOP WHERE THE GRATE
SHALL BE EXPOSED TO ALLOW OVERFLOW DURING HEAVY STORM EVENTS. THE
COMPOSITE CURB INLET PROTECTION MAT SHALL BE A MACHINE-PRODUCED MAT
OF 100% COCONUT FIBER MATRIX INCORPORATED INTO A PERMANENT
THREE-DIMENSIONAL MATTING. THERE SHALL BE 2 LAYERS OF MATRIX EVENLY
DISTRIBUTED ACROSS THE ENTIRE WIDTH OF THE MATTING. THERE SHALL BE 4
LAYERS OF SUPER HEAVY DUTY UV STABILIZED POLYPROPYLENE NET WITH
0.5"X0.5" OPENINGS AND 2 LAYERS ULTRA HEAVY DUTY UV STABILIZED
DRAMATICALLY CORRUGATED(CRIMPED) INTERMEDIATE POLYPROPYLENE
NETTING WITH 0.5"X0.5" OPENINGS. THE MAT SHALL BE STITCHED WITH UV
STABILIZED POLYPROPYLENE AT 1.50" SPACING. THIS DEVICE SHOULD BE USED IN
CONJUNCTION WITH OTHER BMP'S TO MAXIMIZE THE EFFICIENCY OF THE EROSION
CONTROL PLAN.
3.THE MATS ARE TO BE CHECKED EVERY TWO WEEKS AND AFTER EVERY STORM
EVENT FOR MAINTENANCE AND/OR REPAIR AND REPLACEMENT.
CURB INLET PROTECTION DETAIL
NOT-TO-SCALE
SILT FENCE INSTALLATION GUIDELINES
SPECIFICATIONS FOR INSTALLING THE SILT FENCE SHOULD BE IN CONFORMANCE WITH THE FOLLOWING.
MATERIALS
1.SYNTHETIC FILTER FABRIC SHALL BE A PERVIOUS SHEET OF PROPYLENE, NYLON. POLYESTER OR ETHYLENE YARN AND SHALL BE CERTIFIED BY THE MANUFACTURER OR
SUPPLIER AS CONFORMING TO THE FOLLOWING REQUIREMENTS: SYNTHETIC FILTER FABRIC SHALL CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS TO
PROVIDE A MINIMUM OF 6 MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE.
2.BURLAP SHALL BE 10 OUNCES PER SQUARE YARD FABRIC.
3.POSTS FOR SILT FENCES SHALL BE EITHER 4 in (10 cm) DIAMETER WOOD OR 1.33 lbs / ft (2 kg/m) STEEL WITH A MINIMUM LENGTH OF 5 ft (1.5 m). STEEL POSTS SHALL HAVE
PROJECTIONS FOR FASTENING WIRE TO THEM.
4.STAKES FOR FILTER BARRIERS SHALL BE 1 x 2 in (2.5 x 5 cm) WOOD OR EQUIVALENT METAL WITH A MINIMUM LENGTH OF 3 ft (0.9 m).
5.WIRE FENCE REINFORCEMENT FOR SILT FENCES USING STANDARD STRENGTH FILTER CLOTH SHALL BE A MINIMUM OF 3 ft (0.9 m) IN HEIGHT, A MINIMUM OF 14 GAUGE AND
SHALL HAVE A MAXIMUM MESH SPACING OF 6 in (15 cm).
FILTER BARRIER
1.THIS SEDIMENT BARRIER MAY BE CONSTRUCTED USING BURLAP OR STANDARD STRENGTH SYNTHETIC FILTER FABRIC. IT IS DESIGNED FOR LOW OR MODERATE FLOWS.
2.THE HEIGHT OF A FILTER BARRIER SHALL BE A MINIMUM OF 15 in (381 mm) AND SHALL NOT EXCEED 18 in (457 mm).
3.BURLAP OR STANDARD STRENGTH SYNTHETIC FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL AND CUT TO THE LENGTH OF THE BARRIER TO AVOID THE
USE OF JOINTS.
4.THE STAKES SHALL BE SPACED A MAXIMUM OF 3 ft (0.9 m) APART AT THE BARRIER LOCATION AND DRIVEN SECURELY INTO THE GROUND - A MINIMUM OF 8 in (203 mm).
5.A TRENCH SHALL BE EXCAVATED APPROXIMATELY 4 in (102 mm) WIDE AND 4 in (102 mm) DEEP ALONG THE LINE OF STAKES AND UPSLOPE FROM THE BARRIER.
6.THE FILTER MATERIAL SHALL BE STAPLED TO THE WOODEN STAKES, AND 8 in (203 mm) OF THE FABRIC SHALL BE EXTENDED INTO THE TRENCH. HEAVY DUTY WIRE
STAPLES AT LEAST 1/2 in (13 mm) LONG SHALL BE USED. FILTER MATERIAL SHALL NOT BE STAPLED TO EXISTING TREES.
7.THE TRENCH SHALL BE BACKFILLED AND THE SOIL COMPACTED OVER THE FILTER MATERIAL.
8.IF A FILTER BARRIER IS TO BE CONSTRUCTED ACROSS A DITCH LINE OR SWALE, THE BARRIER SHALL BE OF SUFFICIENT LENGTH TO ELIMINATE END FLOW, AND THE PLAN
CONFIGURATION SHALL RESEMBLE AN ARC OR HORSESHOE WITH THE ENDS ORIENTED UPSLOPE.
9.FILTER BARRIERS SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED.
SILT FENCE
1.THIS SEDIMENT BARRIER UTILIZES STANDARD STRENGTH OR EXTRA STRENGTH SYNTHETIC FILTER FABRICS. IT IS DESIGNED FOR SITUATIONS IN WHICH ONLY SHEET OR
OVERLAND FLOWS ARE EXPECTED.
2.THE HEIGHT OF A SILT FENCE SHALL NOT EXCEED 3 ft (0.9 m); (HIGHER FENCES MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE STRUCTURE).
3.THE FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL OUT TO THE LENGTH OF THE BARRIER TO AVOID THE USE OF JOINTS. WHEN JOINTS ARE NECESSARY,
FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY AT A SUPPORT POST, WITH A MINIMUM 6 in (152 mm) OVERLAP, AND SECURELY SEALED.
4.POSTS SHALL BE SPACED A MAXIMUM OF 10 ft (3 m) APART AT THE BARRIER LOCATION AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 12 in (305 mm). WHEN
EXTRA STRENGTH FABRIC IS USED WITHOUT THE WIRE SUPPORT FENCE, POST SPACING SHALL NOT EXCEED 6 ft (1.85 m).
5.A TRENCH SHALL BE EXCAVATED APPROXIMATELY 4 in (102 mm) WIDE AND 8 in (203 mm) DEEP ALONG THE LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
6.WHEN STANDARD STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT FENCE SHALL BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY
DUTY WIRE STAPLES AT LEAST 1 in (25 mm) LONG, TIE WIRES OR HOG RINGS. THE WIRE SHALL EXTEND INTO THE TRENCH A MINIMUM OF 2 in (51 mm) AND SHALL NOT
EXTEND MORE THAN 3 ft (0.9 m) ABOVE THE ORIGINAL GROUND SURFACE.
7.THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE, AND 8 in (203 mm) OF THE FABRIC SHALL BE EXTENDED INTO THE TRENCH. THE
FABRIC SHALL NOT EXTEND MORE THAN 3 ft (0.9 m) ABOVE THE ORIGINAL GROUND SURFACE.
8.WHEN EXTRA STRENGTH FILTER FABRIC AND CLOSER POST SPACING ARE USED, THE WIRE MESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH CASES THE FILTER
FABRIC IS STAPLED OR WIRED DIRECTLY TO THE POSTS.
9.THE TRENCH SHALL BE BACKFILLED AND THE SOIL COMPACTED OVER THE FILTER FABRIC.
10.SILT FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED.
INSTALL PARALLEL TO THE CONTOUR OF THE LAND AND WITH NO MORE THAN 0.25 acre (0.1 hectare) DRAINAGE AREA PER 100 ft (30 m) OF FENCE. EXTEND ENDS UPSLOPE
ENOUGH TO ALLOW WATER TO POND BEHIND THE FENCE. FENCE POSTS BURIED A MINIMUM OF 15 in (381 mm). EXCAVATE A TRENCH 4 in (102 mm) WIDE AND 8 in (203 mm)
DEEP. INSTALL FENCE WITH STAKES ON THE DOWN SLOPE SIDE. BURY 12 in (305 mm) OF FABRIC IN THE TRENCH, EXTENDING THE BOTTOM 4 in (102 mm) TOWARD THE
UPSLOPE SIDE. BACKFILL TRENCH WITH SOIL MATERIAL, AND COMPACT. JOIN SILT FENCE SECTIONS BY OVERLAPPING SECTIONS AND NAILING WITH LATH TO THE
NEAREST POST. INSPECT TWICE A WEEK AND AFTER EACH STORM EVENT, REPAIRING AS NEEDED AND REMOVING SEDIMENT DEPOSITS WHEN THEY REACH ONE-HALF
THE FENCE HEIGHT.
SPECIFICATIONS MINIMUMS FOR SILT FENCE
FABRIC
PHYSICAL PROPERTY WOVEN FABRIC NON-WOVEN
FABRIC
FILTERING EFFICIENCY 85%85%
TENSILE STRENGTH AT 20% ELONGATION:
STANDARD STRENGTH 30 lbs / linear in 50 lbs / linear in
EXTRA STRENGTH 50 lbs / linear in 75 lbs / linear in
SLURRY FLOW RATE 0.3 gal / min / sqft 4.5 gal / min / sqft
WATER FLOW RATE 15 gal / min / sqft 220 gal / min / sqft
UV RESISTANCE 70%85%