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Home My WebLink AboutR-371811f—J N Z Z r O U C 0 G O a 0 C) Y O O ry m J L ILI Li- /' LEVEL BOTTOM ,2:1 MAX SLOPE 2' MIN — SWALE SPACING DEPENDS ON SLOPE GRADIENT MAINTENANCE STANDARDS 1. DAMAGE RESUL77NG FROM RUNOFF OR CONSTRUCTION AC77WTY SHALL BE REPAIRED IMMEDIATELY. 2. IF THE FACILIRES DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND /OR FREQUENCY OF THE DIKES /SWALES SHALL BE INCREASED. INTERCEPTOR SWALES SHALL BE SPACED HORIZONTALLY AS FOLLOWS AVERAGE SLOPE SLOPE' PERCENT., 20H.-IV FL04PATH LENGTH: MULLEN BURST STRENGTH (ASTM D- 3786- 80A).....400 PSI MIN. OR LESS 3 -59 300' (10 -20) J. HOG FUEL MAY BE SUBS71711TED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE H.-1V 5 -109 200' (4 -10) USED SUCCESSFULLY DN MANY SITES IT GENERALLY REQUIRES MORE MAINTENANCE THAT QUARRY SPALLS. H.1V 10 -259 100' (2 -4) PREVEN71NG SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR /F THE HOG FUEL IS BEING CARRIED ONTO H; IV 25 -509 50' INTERCEPTOR SWALE BMP C200 NTS NOTES: 1. 6 —FT. HIGH TEMPORARY CHAIN LINK FENCE SHALL BE PLACED AT THE DRIPLINE OF THE TREE TO BE SAVED. FENCE SHALL COMPLETELY ENCIRCLE THE TREE(S). INSTALL FENCE POSTS USING PIER BLOCKS ONLY. AVOID DRIVING POSTS OR STAKES INTO MAJOR ROOTS 2. FOR ROOTS OVER 1 —IN DIA. THAT ARE DAMAGED DURING C0NS7RUC770N, MAKE A CLEAN, STRAIGHT CUT TO REMOVE THE DAMAGED POR770N. ALL EXPOSED ROOTS SHALL BE TEMPORARILY COVERED WITH DAMP BURLAP TO PREVENT DRYING, AND SHALL BE COVERED WITH SOIL AS SOON AS POSSIBLE J. WORK WITHIN PR07ECIIOIV FENCE SHALL BE DONE MANUALLY. NO STOCKPILING OF MATERIALS, VEHICULAR TRAFFIC, OR STORAGE OF EQUIPMENT OR MACHINERY SHALL BE ALLOWED WITHIN THE LIMIT OF THE FENCING. TREE PR07EC7ION DETAIL BMP T101 DRIPLINE PROVIDE FULL MOTH OF INGRESS/EGRESS AREA NOTES: 1. SEE ADJACENT DETAIL. i 2. A SEPARARON GE07EX71LE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM L PUMPING UP INTO THE ROCK PAD. 774E GEOIEX77LE SHALL MEET THE FOLLOWING STANDARDS N. GRAB TENSILE S7RENG7H (AS7M D- 4751) ................200 PSI GRAB TENSILE ELONGA77ON (AS7M D- 4632). ........... 309 MAX. MULLEN BURST STRENGTH (ASTM D- 3786- 80A).....400 PSI MIN. a ADS ASTM D-4751) .......... — ( ............ .............................20 45 (U.S. STANDARD SIEVE SIZE) C J. HOG FUEL MAY BE SUBS71711TED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE a_O so � USED FOR PERMANENT ROADS THE EFFEC77WENESS OF HOG FUEL IS HIGHLY VARIABLE, BUT IT HAS BEEN " >o USED SUCCESSFULLY DN MANY SITES IT GENERALLY REQUIRES MORE MAINTENANCE THAT QUARRY SPALLS. s THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT a $ PREVEN71NG SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR /F THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT. HOG FUEL IS PRWB17ED FROM PERMANENT ROADBEDS BECAUSE ORGANICS IN THE SUB —GRADE SOILS CAUSE DIMCUL77ES WITH COMPACTION. 4. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUC770N ENTRANCE. 5. WHENEVER POSSIBLE, THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRADE. THIS CAN SUBSTAN77ALLY INCREASE THE EFFEC77VENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE. OTH OF NEW ROADWAY 7 VEMENT (MIN) L NTS 19� Cell 2 Workig Days Before You Dig 811 Ut3fles Underground Location Center (ID,Mr,ND,OR,WA) HOLDINGS LLC D.R. STRONG i D CO ENGINEERS ENGINEERS EERS PLANNERS SURVEYORS ED S 6207TH AVENUE KIRKLANO, WA 98033 0425.817.3063 F425.827.2423 www.dmt=g.wm NW 1/4, SE 114, SECTION 29, TOWNSHIP 23 N, RANGE 5 E, W.M. FIELDBROOK COMMONS Mel MAINTENANCE STANDARDS 1. ANY SEDIMENT DEPOS17ION OF MORE THAN 0.5 FEET SHALL BE REMOVED SO THAT THE CHANNEL IS RESTORED TO 17S DESIGN CAPACITY. 2. IF THE CHANNEL CAPACITY IS INSUFFICIENT FOR THE DESIGN FLOW, IT MUST BE DETERMINED WHETHER THE PROBLEM IS LOCAL (E.G, A CONSTRUCTION OR BEND) OR THE CHANNEL IS UNDER — DESIGNED. IF THE PROBLEM IS LOCAL, 774E CHANNEL CAPACITY MUST BE INCREASED THROUGH CONSTRUCTION OF A BERM(S) OR BY EXCACARON. IF THE PROBLEM IS UNDER — DESIGN, THE DESIGN ENGINEER SHALL BE NOTRED AND THE CHANNEL REDESIGNED TO A MORE CONSERVARVE STANDARD TO BE APPROVED BY KING COUNTY. J. THE CHANNEL SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS. IF SCOURING OR EROSION HAS OCCURRED, AFFECTED AREAS SHALL BE PRO7EC7ED BY R/PRAP OR AN EROSION CONTROL BLANKET OR NET. GROUND SURFACE — GRA 7E JC 'C Jc \ 1 11 1 OVERFLOW SOLID WALLS J I II STORAGE POROUS BOTTOM RL TER MEDIA FOR DEWA7ER/NG CATCH BASIN INSERT NOTES: 1) ANY ACCUMULATED SEDIMENT ON OR AROUND THE FILTER FABRIC PROTECTION SHALL BE REMOVED IMMEDIATELY. SEDIMENT SHALL NOT BE REMOVED WITH WATER, AND ALL SEDIMENT MUST BE DISPOSED OF AS FILL ON S 17E OR HAULED OFF S77E. 2) ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE —THIRD OF THE AVAILABLE STORAGE. 3) THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY. CATCH BASIN INSERT CROSS — SECTION BMP C220 N75 JOINTS IN FILTER FABRIC MATERIAL SHALL BE SPLICED AT POSTS USE STAPLES OR WIRE RINGS OR EQUIVLENT TO ATTACH FABRIC TO POSTS 2" X 2" BY 14 GAUGE WIRE OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED 12" MIN I I BURY BOTTOM OF FILTER u MATERIAL IN MINIMUM 4" BY 4 TRENCH 6' MAX. MAYBE INCREASED TO 8' IF WIRE BACKING IS USED FILTER FABRIC 2" X 2" BY 14 GAUGE WIRE OR EQUIVALENT, IF STANDARD S77?ENG7H FABRIC USED 2" BY 4' WOOD POSTS STEEL FENCE POST, REBAR OR EQUIVALENT 2' MIN BACKF/LL TRENCH WITH NA71VE SOIL ° OR 3/4"-1.5" WASHED GRAVEL 12" MIN MINIMUM 4' X 4' TRENCH SILT FENCE NOTES: 1. SEE ADJACENT DETAIL 2. THE GE07EX77LE USED MUST MEET THE FOLLOWING SPECIFICARONS.• ADS (ASTM D -4751) 30 -100 SIEVE SIZE FOR SILT FILM 50 -100 SIEVE SIZE FOR 07HER FABRICS WATER PERM /TnWTY (ASTM D -4491) 0.02 SEC —I MIN GRAB TENSILE S7RENG7H (AS7M D -4632) 180 LBS MIN. FOR EXTRA STRENGTH FABRIC 100 LBS PER MINUTE STANDARD S7RENG7H FABRIC GRAB TENSILE ELONGA77ON (ASTM D -4632) 309 MAX. ULTRAVIOLET RESISTANCE (ASTM D -4355) 709 MIN. A COPY OF THE MANUFACTURERS' FABRIC SPECIRCA BONS MUST BE AVAILABLE ONSITE J. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED FOR EXTRA S7RENG7H FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE. 4. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL BE NO STEEPER THAN 2H :1V. SILT FENCE DETAIL BMP C233 NTS 10.1 WS rEnrrux xnw 19ae YLP 03.00.14 MAJ AS NOTED xox=cmu: „,^ IBB] /1991 WNED OF@I 03.21.14 MAJ YLP 04.03.14 MAJ " CHECKED: T ei NLL E INC REVISION BY DATE APPR w xm ONE ixw wvnwm: sale "cwnwxcEr MW c� CITY OF RENTON Planning /Building /Public Works Dept. C'D 2" — 4" ROCK L = THE DISTANCE SUCH THAT POINTS A & B ARE OF EQUAL ELEVA77ON SPACING BETWEEN CHECK DAMS 7 1 R=3718-11 COMMEN E FOR APPOVAL BY Date: 7 1 BY: Date: BY: Date: BY: Date: FIELDBROOK COMMONS TESC DETAILS 17040 108TH AVENUE SE RENTON, WA vice 04.03.14 y m o° ' a_O so � O " >o n r1 O z I✓ cc