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Home My WebLink AboutWWP2703685.7z L T 7 � Zc _ C � r m z m � n D n 0 N N w Q 0 0 z 0 J a_ FILTER FABRIC (MIRAFI 10OX OR EQUIV. WIRE 2F GA. IRE FABRRIC 60" WIDE ROLLS). USE STAPLES OR WIRE OR EQUAL (TYP) RING TO ATTACH FABRIC TO WIRE (TYP) BURY BOTTOM OF FABRIC Li MATERIAL IN 4"x 4" TRENCH r� 6' MAX.-* _ I 2"x 4" WOOD POSTS, STANDARD OR BETTER GRADE OR EQUAL. ® 6' O.C., ALTERNATE: STEEL FENCE POSTS •• POST SPACING MAY BE INCREASED TO 8' IF WIRE BACKING IS USED I e �y o SLOPE a 'I I MIEN. L J PROVIDE 3/4" - 1 1 /2" DIA. WASHED GRAVEL BACKFILL WITH NATIVE SOIL SIDE VIEW FILTER FABRIC FENCE NOTES: 1. THE FILTER FABRIC SHALL 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, A WIRE 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 WIRE SHALL EXTEND INTO THE TRENCH A MINIMUM OF 4 INCHES AND SHALL NOT EXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL GROUND SURFACE. TEMPORARY EROSION/SEDIMENTATION CONTROL NOTES: 1. 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 5. THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE, AND 20 INCHES OF FOR ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE 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. TESC FACILITIES SHALL BE UPGRADED (E.G. ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.) AS NEEDED FOR STORM EVENTS. 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 8. THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND THE POSTS WITH ALL OTHER PROVISIONS of STANDARD NOTE 5 APPLYING. MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING. 7. THE TRENCH SHALL BE BACKFILLED WITH 3/4-INCH MINIMUM DIAMETER WASHED GRAVEL. 9. ANY AREA NEEDING TESC MEASURE, NOT REQUIRING IMMEDIATE ATTENTION, 8. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT SHALL BE STABILIZED WITHIN FIFTEEN (15) DAYS. BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. 10. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO 9. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. FILTER FABRIC FENCE DETAIL N TS MOno IAII CT WITU 11D A TC GRATING JJ RUNOFF WATER —IWITH SEDIMENT FILTER FABRIC UNDER GRATING PROVIDE AT ALL CATCH BASINS DRAINING AREA AFFECTED BY WORK. CB PROTECTION DETAIL N TS TOP OF DITCH SILT FENCE I I I I I I CULVERT --1 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 Stantec 11130 NE 33rd Place, Bellevue WA 98004 phone: (425) 869-9448 www.stantec,com S=368507 VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATUM REVISED TO INDICATE CONSTRUCTION RECORDS FIELD REP: PAT MILLER REVISED BY: STEPHANIE M. ARID DATE: 2/20/2015 CONTRACTOR: A ADVANCED SEPTIC SERVICES, INC. C TY 0E RENTON Planning/Building/Public Works Dept. 1�► A A-" . VW AL I G t OF WASH 18 38087 4� �46' GISTER� ♦� SIGNAL C R D SHf.:7:0:F fl to D n 0 0 0 C Cn cn z m O m z z m Cn 0 D Z 0 C m m I D o p m0 00 D v_ _ C!] _W v