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DocuSign Envelope ID:81 E05E8E-EED7-43D3-8B8A-081 1 OE72140A
<br /> MATERIALS
<br /> FILTER FABRIC MATERIAL ATTACHING TWO SEDIMENT FENCES
<br /> SECURELY FASTENED TO THE 1. USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95% BY WEIGHT OF POLYOLEFINS
<br /> POSTS AND THE WIRE MESH OR POLYESTER, WHICH IS CERTIFIED BY THE MANUFACTURER OR SUPPLIER AS
<br /> APPROXIMATELY 12 INCHES
<br /> E ^ _u CONFORMING TO THE REQUIREMENTS IN ASTM D 6461, WHICH IS SHOWN IN
<br /> OF FILTER FABRIC MATERIAL PLACE THE END POST PART IN TABLE 6,62B. SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRAVIOLET
<br /> MUST EXTEND INTO A OF THE SECOND RAY INHIBITORS AND STABILIZERS TO PROVIDE A MINIMUM OF 6 MONTHS OF
<br /> TRENCH AND BE ANCHORED FENCE INSIDE THE END EXPECTED USABLE CONSTRUCTION LIFE AT A TEMPERATURE RANGE OF 0 TO
<br /> STEEL POST WITH COMPACTED BACKFILL PAST OF THE FIRST n
<br /> 1.33 LB/FT, 5' J 120 F.
<br /> MATEf21AL
<br /> MIN. LENGTH A RUNOFF FENCE 2. ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 1.33 LB/LINEAR FT STEEL > <
<br /> cc 7
<br /> ROTATE BOTH POSTS WITH A MINIMUM LENGTH OF 5 FEET. MAKE SURE THAT STEEL POSTS HAVE ^ w L) 'E s
<br /> AT LEAST 180 PROJECTIONS TO FACILITATE FASTENING THE FABRIC, o z °' m
<br /> / f� f _ DEGREES IN A
<br /> 'off — 3. FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC, USE WIRE v m
<br /> CLOCKWISE DIRECTION
<br /> J TO CREATE A TIGHT FENCE WITH A MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OF 6 INCHES.
<br /> APPROXIMATE
<br /> MIN 4-INCH BY SEAL WITH THE FABRIC � � � � a m
<br /> f /�f� 8-INCH DEEP MATERIAL CONSTRUCTION
<br /> f\ ff�tiff TRENCH DIRECTION OF RUNOFF WATERS G
<br /> 2 LL Z 7
<br /> DRIVE BOTH POSTS 1. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA z
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<br /> ABOUT 10 INCHES INTO STRENGTH SYNTHETIC FILTER FABRICS, ai
<br /> 24 INCHES �� THE GROUND AND 2, ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24
<br /> BURY FLAP INCHES ABOVE THE GROUND SURFACE, (HIGHER FENCES MAY IMPOUND p Q 2
<br /> VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE STRUCTURE.) ti '
<br /> 3. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE w a
<br /> LENGTH OF THE BARRIER TO AVOID JOINTS, WHEN JOINTS ARE NECESSARY, 0 Y o
<br /> FOR ADDITIONAL STRENGTH SECURELY FASTEN THE FILTER CLOTH ONLY AT A SUPPORT POST WITH 4 FEET
<br /> FILTER FABRIC MATERIAL MINIMUM OVERLAP TO THE NEXT POST. .2 .2 [�3
<br /> FILTER FABRIC SHALL BE ATTACHED TO A 6" 4. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED •
<br /> SPACING OF POSTS TO BE 8 MATERIAL (MAX) MESH WIRE SCREEN SECURELY TO THE UPSLOPE SIDE OF THE POSTS. EXTEND THE WIRE MESH
<br /> FT MAX APART WHICH HAS BEEN FASTENED SUPPORT TO THE BOTTOM OF THE TRENCH. FASTEN THE WIRE
<br /> TO THE POSTS REINFORCEMENT, THEN FABRIC ON THE UPSLOPE SIDE OF THE FENCE POST.
<br /> WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE
<br /> STRENGTH,
<br /> 5, WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF 8 ..� b�4 P, U
<br /> FEET APART, SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE E
<br /> _ GROUND A MINIMUM OF 24 INCHES. a N R �,
<br /> - - - _' 'f 6, EXTRA STRENGTH FILTER FABRIC WITH 6 FEET POST SPACING DOES NOT a y
<br /> REQUIRE WIRE MESH SUPPORT FENCE. SECURELY FASTEN THE FILTER FABRICq
<br /> fr DIRECTLY TO POSTS, WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50
<br /> POUND TENSILE STRENGTH,
<br /> -- - _ --
<br /> 7, EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP w o
<br /> 24" MAX - - ALONG THE PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BARRIER ., T
<br /> MOUNT TREE PROTECTION SIGNAGE TO SILT (FIGURE 6.62A). `-
<br /> - - FENCE EVERY 25' 8, PLACE 12 INCHES OF THE FABRIC ALONG THE BOTTOM AND SIDE OF THE
<br /> BACKFILLED TRENCH TRENCH.
<br /> "TREE PROTECTION AREA 9. BACKFILL THE TRENCH WITH COMPACTED SOIL PLACED OVER THE FILTER
<br /> fjff DO NOT ENTER, FABRIC. THOROUGH COMPACTION OF THE BACKFILL IS CRITICAL TO SILT FENCE
<br /> ZONE DE PROTECSION PERFORMANCE.
<br /> PARA ARBOLES -NO ENTRE" 10. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES.
<br /> SEDIMENT FENCE INSTALLATION USING THE SLICING METHOD
<br /> INSTEAD OF EXCAVATING A TRENCH, PLACING FABRIC AND THEN BACKFILLING TRENCH, SEDIMENT FENCE MAY BE INSTALLED USING SPECIALLY DESIGNED EQUIPMENT THAT INSERTS THE
<br /> FABRIC INTO A CUT SLICED IN THE GROUND WITH A DISC.
<br /> INSTALLATION SPECIFICATIONS
<br /> 1. THE BASE OF BOTH END POSTS SHOULD BE AT LEAST ONE FOOT HIGHER THAN THE MIDDLE OF THE FENCE. CHECK WITH A LEVEL IF NECESSARY,
<br /> 2. INSTALL POSTS 4 FEET APART IN CRITICAL AREAS AND 6 FEET APART ON STANDARD APPLICATIONS.
<br /> 3. INSTALL POSTS 2 FEET DEEP ON THE DOWNSTREAM SIDE OF THE SILT FENCE, AND AS CLOSE AS POSSIBLE TO THE FABRIC, ENABLING POSTS TO SUPPORT THE FABRIC FROM UPSTREAM
<br /> WATER PRESSURE.
<br /> 4. INSTALL POSTS WITH THE NIPPLES FACING AWAY FROM THE SILT FABRIC. ui
<br /> 5. ATTACH THE FABRIC TO EACH POST WITH THREE TIES, ALL SPACED WITHIN THE TOP 8 INCHES OF THE FABRIC. ATTACH EACH TIE DIAGONALLY 45 DEGREES THROUGH THE FABRIC, WITH
<br /> EACH PUNCTURE AT LEAST 1 INCH VERTICALLY APART, ALSO, EACH TIE SHOULD BE POSITIONED TO HANG ON A POST NIPPLE WHEN TIGHTENED TO PREVENT SAGGING,
<br /> 6. WRAP APPROXIMATELY 6 INCHES OF FABRIC AROUND THE END POSTS AND SECURE WITH 3 TIES.
<br /> 7. NO MORE THAN 24 INCHES OF A 36 INCH FABRIC IS ALLOWED ABOVE GROUND LEVEL,
<br /> 8. THE INSTALLATION SHOULD BE CHECKED AND CORRECTED FOR ANY DEVIATIONS BEFORE COMPACTION,
<br /> 9, COMPACTION IS VITALLY IMPORTANT FOR EFFECTIVE RESULTS. COMPACT THE SOIL IMMEDIATELY NEXT TO THE SILT FENCE FABRIC WITH THE FRONT WHEEL OF THE TRACTOR, SKID
<br /> STEER; OR ROLLER EXERTING AT LEAST 60 POUNDS PER SQUARE INCH, COMPACT THE UPSTREAM SIDE FIRST, AND THEN EACH SIDE TWICE FOR A TOTAL OF 4 TRIPS, uj
<br /> MAINTENANCE
<br /> 1. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
<br /> 2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
<br /> 3, REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID Q
<br /> UNDERMINING THE FENCE DURING CLEANOUT, z
<br /> 4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN
<br /> PROPERLY STABILIZED. W Ir
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<br /> REVISIONS
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<br /> DESIGNED BY:
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<br /> aQ' 31020 ti DATE:
<br /> ti '.�L �c�ru�E?.�', 8.18.2020
<br /> 7>` PROJECT NUMBER:
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<br /> '�•i N R�.G
<br /> ►►►►11-I111►►►p `a` R00592-225N2
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