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Home My WebLink AboutS-323518FILTER FABRIC MIRAFI 100X OR EOUIV. 2 °X 2 "x 14 GA. ( WIRE FABRIC 60" WIDE ROLLS), USE STAPLES OR WIRE OR EQUAL (TYP) RING TO ATTACH FABRIC TO WIRE (TYP) Rm � II I II Y Y sLoPF II -' - -- IIa + LI_ _ I' ------------- it BURY BOTTOM OF FABRIC ii I I U MATERIAL IN 4 "X 4" TRENCH U MIN.L� 6' MAX.** I � PROVIDE 3/4" - I I/2° DIM. 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 •� TO MAY BE ISE USED SIDE VIEW FILTER FABRIC FENCE NOTES: I. THE FILTER FABRIC SHALL BE PIRCHASED 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 I 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. 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 NTS PERMITS THE FOLLOWING PERMITS HAVE BEEN OBTAINED & ARE BOUND WITH THE SPECIFICATIONS: (1) KING CO. GRADING /CLEARING. (2) KING CO. SPECIAL USE. (3) KING CO. RIGHT —OF —WAY (4) DEPT. OF FISH & WILDLIFE HPA. F2 CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE PERMIT CONDITIONS INCLUDING BUT a NOT LIMITED TO: $ (1) TOPSOIL AMENDMENT. N (2) DISPOSAL OF EXCESS EXCAVATED MATERIAL. 3 (3) WET SEASON CONSTRUCTION PER KC SURFACE WATER DESIGN MANUAL APPENDIX D i (2005). Roth Hill Engineering Partners, LLC 2600 1161h Avenue NE #100 ®t /h ' " Bellevue, 98004 e,! Fax 425.869.1190 ROLL 207 F FEZ 157 S, WALK 'CT K SLI F� TEMPORARY EROSION /SEDIMENTATION CONTROL NOTES: DROP INLET WITH GRATE WATER — EDIMENT 1. APPROVAL OF THIS TEMPORARY EROSIDN /SEDIMENTATION CONTROL (TESL) - PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR - ��RUNOFF DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS; PIPES, RESTRICTORS, •4 18825 �N �F RECISTEWF'� �`SSIONALG, �a�` ExPI qES 11 01 2008 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 - FILTERFABRIC UNDER FILTER FABRIC UNDER AGENCY MAY RECOMMEND ADDITIONAL MEASURES OR CHANGES TO THE TESC GRATING -. GRATING PLAN THAT ARE WARRANTED DURING CONSTRUCTION. THE CONTRACTOR AND OBSERVER WILL EXAMINE ALL TESC MEASURES PERIODICALLY DURING THE PROVIDE AT ALL CATCH BASINS DRAINING AREA AFFECTED BY WORK. 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 CB .PROTECTION DETAIL - ACHIEVE EROSION CONTROL OBJECTIVES. 4. THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION, NTS 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 sANO sacs MusD COMPLETELY TH COVER THE BOTTOM AND SIDES of THE DITCH - SHALL BE THE CONTRACTOR'S 'RESPONSIBILITY TO ADDRESS DEFICIENT TESC CONDITIONS, AND TO PROVIDE.ADDITIONAL FACILITIES, OVER AND ABOVE THE [B "MIN• MINIMUM REQUIREMENTS OUTLINED ON THE APPROVED PLANS AS NEEDED. 6. THE TESC FACILITIES SHOWN O.N. THIS PLAN MUST BE CONSTRUCTED IN -, CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES; AND IN SUCH A - -- - - -- —� - -- '- -- - --- - ' 24 "MIN... 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'THISPLAN ARE THE MINIMUM REQUIREMENTS _ CROSS SECTION FOR ANTICIPATED SITE CONDITIONS, - DURING THE CONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED (E.G. ADDITIONAL SUMPS, RELOCATION OF ti -- _ 2 DITCHES AND SILT FENCES, ETC.) AS NEEDED FOR STORM EVENTS. -' SAND BAGS 8. THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND A L e 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 L= DISTANCE SUCH THAT POINTS A & B ARE of LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL EQUAL ELEVATION. NOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. CHECK DAM SPACING CHECK DAM DETAIL NTS, ROLL 207 F FEZ 157 S, WALK 'CT K SLI F� X41 s� OF ASyJ F of WASH 1 Q I 38087 �4' F RA'GISTERF'� �4' Y1OiJAL •4 18825 �N �F RECISTEWF'� �`SSIONALG, �a�` ExPI qES 11 01 2008 E XPIRES 11/16/2008 - Cp,S•323SIb r T to o G m 7G N � M n � o (� x N W I