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HomeMy WebLinkAboutS-3685073 r G W 3 T J^ / J / . V i c z ► , FILTER FABRIC (MIRAFI 10OX OR EQUIV. 2 "x 2 "x 14 GA. 60' WADE ROLLS). USE STAPLES OR WARE WIRE FABRIC RING TO ATTACH FABRIC TO WIRE (TYP) OR EQUAL (TYP) _ - - - - - - - - - - - - - - - - - - _ T N � - - -- -- - - - - - - - - - - - - - - - - - - - - - - - -- BURY BOTTOM OF FABRIC MATERIAL IN 4' x 4' TRENCH v 6' MAX." a C I M r PROVIDE 3/4" - 1 1/2" DIA. 2"x 4' WOOD POSTS, STANDARD OR BETTER WASHED GRAVEL BACKFILL WITH GRADE OR EQUAL. O 6' O.C., NATIVE SOIL ALTERNATE: STEEL FENCE POSTS POST •• T 0 8 SPACING WADE BACKING INCREASED S SED SIDE VIEW FILTER FABRIC FENCE NOTES: 1. THE FILTER FABRIC SMALL BE PURCHASED IN A CONTINUOUS ROLL CUT TO THE LENGTH OF THE BARRIER TO AVOID USE OF JOINTS. WHEN JOINTS ARE NECESSARY, FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY AT A SUPPORT POST, WITH A MINIMUM 6 -INCH OVERLAP AND BOTH ENDS SECURELY FASTENED TO THE POST. 2. THE FILTER FABRIC FENCE SHALL BE INSTALLED TO FOLLOW THE CONTOURS (WHERE FEASIBLE). THE FENCE POSTS SHALL BE SPACED A MAXIMUM OF 6 FEET APART AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 30 INCHES). 3. A TRENCH SHALL BE EXCAVATED, ROUGHLY 4 INCHES WIDE AND 4 INCHES DEEP, UPSLOPE AND ADJACENT TO THE WOOD POST TO ALLOW THE FILTER FABRIC TO BE BURIED. 4. WHEN STANDARD STRENGTH FILTER FABRIC IS USED, AWARE MESH SUPPORT FENCE SHALL BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY -DUTY WIRE STAPLES AT LEAST 1 INCH LONG, TIE WIRES OR HOG RINGS. THE WARE SHALL EXTEND INTO THE TRENCH A MINIMUM OF 4 INCHES AND SHALL NOT EXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL GROUND SURFACE. 5. THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE, AND 20 INCHES OF THE FABRIC SHALL BE EXTENDED INTO THE TRENCH. THE FABRIC SHALL NOT EXTEND MORE THAN 30 INCHES ABOVE THE ORIGINAL GROUND SURFACE. FILTER FABRIC SHALL NOT BE STAPLED TO EXISTING TREES. 6. WHEN EXTRA - STRENGTH FILTER FABRIC AND CLOSER POST SPACING ARE USED, THE WIRE MESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER FABRIC IS STAPLED OR WIRED DIRECTLY TO THE POSTS WITH ALL OTHER PROVISIONS OF STANDARD NOTE 5 APPLYING. 7. THE TRENCH SHALL BE BACKFILLED WITH 3/4 —INCH MINIMUM DIAMETER WASHED GRAVEL. 8. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. 9. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. FILTER FABRIC FENCE DETAIL_ N TS TEMPORARY EROSION /SEDIMENTATION CONTROL NOTES: �. APPROVAL OF THIS TEMPORARY EROSION /SEDIMENTATION CONTROL (TESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES, ETC.) 2. CONTRACTOR REQUIRED TO SUBMIT TESC AND DEWATERING PLAN TO OWNER AND ENGINEER FOR REVIEW PRIOR TO CONSTRUCTION. 3. CONTRACTOR AND AN ON —SITE REPRESENTATIVE OF OWNER WILL REVIEW THE INSTALLATION, MAINTENANCE AND PERFORMANCE OF THE TESC MEASURES SHOWN ON THE APPROVED PLANS. THE TESC OBSERVER OR PERMITTING AGENCY MAY RECOMMEND ADDITIONAL MEASURES OR CHANGES TO THE TESC PLAN THAT ARE WARRANTED DURING CONSTRUCTION. THE CONTRACTOR AND OBSERVER WILL EXAMINE ALL TESC MEASURES PERIODICALLY DURING THE CONSTRUCTION PERIOD, AND AFTER STORMS HAVING 0.5 INCHES OR MORE OF RAINFALL IN A 24 —HOUR PERIOD. THE OBSERVER AND THE PERMITTING AGENCYHAVE THE AUTHORITY TO REQUIRE CORRECTIVE ACTION IN ORDER TO ACHIEVE EROSION CONTROL OBJECTIVES. 4. THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE TESC FACILITIES IS THE RESPONSIBILITY OF THE CONTRACTOR UNTIL ALL CONSTRUCTION IS APPROVED. TESC MEASURES SHALL REMAIN FUNCTIONING AND IN PLACE UNTIL THE SITE HAS BEEN STABILIZED AND THE PERMITTING AGENCY, OWNER OR ENGINEER HAS APPROVED THE REMOVAL OF THE TESC MEASURES. 5. AS CONSTRUCTION PROGRESSES AND UNEXPECTED SEASONAL CONDITIONS DICTATE, ADDITIONAL TESC MEASURES MAY BECOME NECESSARY TO PROTECT ADJACENT PROPERTIES AND TO ENSURE WATER QUALITY FOR SITE RUNOFF. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO ADDRESS DEFICIENT TESC CONDITIONS, AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE THE MINIMUM REQUIREMENTS OUTLINED ON THE APPROVED PLANS AS NEEDED. 6. THE TESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE DRAINAGE SYSTEM OR VIOLATE APPLICABLE WATER QUALITY STANDARDS. 7. THE TESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED (E.G. ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.) AS NEEDED FOR STORM EVENTS. 8. THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING. 9. ANY AREA NEEDING TESC MEASURE, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE STABILIZED WITHIN FIFTEEN (15) DAYS. 10. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. i S I f f I I I s A z_ Z C 4a K K ca z m z m Z D s D s: T z G L_ J O D Z Z C 3 m m DROP INLET WITH GRATE RUNOFF WATER — WITH SEDIMENT I ^ 6- 1 FILTER FABRIC UNDER FILTER FABRIC UNDER GRATING : _ G RATING PROVIDE AT ALL CATCH BASINS DRAINING AREA AFFECTED BY WORK. s -- X CB PROTECTION DETAIL z 0�0 N TS Z TOP OF DITCH SILT FENCE I I I I CULVERT --� I I I I I I NOTES: LINE PLACE SILT FENCE OR FILTER BAGS IN DITCH FLOW LINE TO PREVENT SEDIMENT AND DEBRIS FROM ENTERING THE CON- VEYANCE SYSTEM. INLET /OUTLET PROTECTION_ N TS St ntec 11130 NE 33rd Place, Bellevue WA 98004 phone: (425) 869 -9448 www.stantec.com S- 368501 REVISED TO INDICATE CONSTRUCTION RECORDS FIELD REP: PAT MILLER REVISED BY: STEPHANIE M. ARD DATE: 2/20/2015 CONTRACTOR: A ADVANCED SEPTIC SERVICES, INC. dais ■11 V ALi�o i WA 38087 � ��'Ab ISTF, �v •��S`�ION L ��G �• CRD SHT. 7 OF 8 Tft m