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HomeMy WebLinkAboutR-383505►t f X X X N Z DRIVEWAYS SHALL BE PAVED TO THE EDGE OF R -O -W PRIOR TO INSTALLATION OF THE CONSTRUCTION ENTRANCE TO AVOID DAMAGING OF THE ROADWAY IT IS RECOMMENDED THAT THE ENTRANCE BE CROWNED SO THAT RUNOFF DRAINS OFF THE PAD f INSTALL DRIVEWAY CULVERT IF THERE IS A ROADSIDE DITCH PRESENT, AS PER CITY ROAD STANDARDS 4"-8" QUARRY SPALLS GEOTEXTILE 12" MIN. THICKNESS PROVIDE FULL WIDTH OF NOTES INGRESS/EGRESS AREA 1. CONDITION OF USE 1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER PAVED AREAS WITHIN 1,000 FEET OF THE SITE. GRAB TENSILE STREBNGTH (ASTM D4751) 200 PSI MIN. GRAB TENSILE ELONGATION (ASTM D4632) 30% MAX. MULLEN BURSTSTRENGTH ASTM D3786 -80A 400 PSI MIN. AOS (ASTM D4751) 20-45 (U.S. STANDARD SIEVE SIZE) 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN ARES THAT WILL BOT BE USED FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT. 2.2. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE. 2.3. WHENEVER POSSIBLE, THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE. 3. MAINTENANCE STANDARDS 3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS. 3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT BEING TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE INSTALLATION OF THE WHEEL WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK, AND WASHED WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND. 3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL BE REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF IT NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONDUCTED. THE SEDIMENT WOULD THEN BE WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. 3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. 3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE(S), FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC. m 0 �'�Y STD. PLAN — 215.10 PUBLIC WORKS STABILIZED ` n ' DEPARTMENT CONSTRUCTION ENTRANCE MARCH 2008 JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS, OR EOUIVALF_NT TO ATTACH FAFRIC TO POSTS. 2"x2" BY 14 Ga. WIRE OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED FILTER FABRIC 0- I 6' MAX. U Date:' POST SPACING MAY BE INCREASED �� MINIMUM 4"x4" TRENCH TO BAF WIRE BACKING IS USED BACKFILL TRENCH WITH 2"x2" BY 14 Ga. WIRE OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED FILTER FABRIC 0- I I BY. Date:' BY: �� MINIMUM 4"x4" TRENCH BY: BACKFILL TRENCH WITH BY: NATIVE SOIL 2"x4" WOOD POSTS, STEEL FENCE POSTS, REBAR, OR EQUIVALENT z (V NOTES 1. CONDITION OF USE 1.1. SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS. 1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED FLOW MOST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. THE GEOTEXTILE USED MOST MET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MOST BE AVAILABLE ON SITE. AOS (ASTM D4751) 30-100SIEVE SIZE (0.60-0.15MM) FOR SILT FILM 50-100 SIEVE SIZE (0.30-0.15MM) FOR OTHER FABRICS WATER PERMITTIVITY ASTM D491 0.02SECA-1 MINIMUM GRAB TENSILE STRENCHT (ASTM D4632) 180 LBS. MIN. FOR EXTRA STRENGH FABRIC 100 LBS. MIN. FOR STANDARD STRENGHT FABRIC GRAB TENSILE ELONGATION ASTM D4632)130 % MAX. ULTRAVIOLATE RESISTANCE(ASTM D4355) 70%MIN, 2.2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE, 2.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H:1V 2.4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4X4 TRENCH MAY NOT BE REDUCED AS LONG AS THE BOTTOM 8 INCHES OF THE SILT FENCE IS WELL BURIED AND SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE. 3. MAINTENANCE STANDARDS 3.1. ANY DAMAGE SHALL BE REPAIR IMMEDIATELY. 3.2. IF CONCENTRATED FLOES ARE EVIDENT UPHILL OD THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND. 3.3. IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVED THE TRAP SEDIMENT. 3.4. SEDIMENT MOST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH. 3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED. Y O + A + PUBLIC WORKS DEPARTMENT Call 2 Working Days Before You Dig 811 Utilities Underground Location Center (ID,MT,ND,OR,WA) SILT FENCE STD. PLAN — 214.00 MARCH 2008 VV HOLDINGS LLC SE 1/4 SECTION 3, TOWNSHIP 23 N, RANGE 5 E, W.M. MA ER TINS RANCH 5" MAX. D DRAINAGE GRATE TRIM GRATE FRAME m v a d o o .. SEDIMENT AND DEBRIS a OVERFLOW BYPASS BELOW INLET GRATE DEVICE v FILTERED WATER A D D o• o D D ,D • D O D SECTION VIEW DRAINAGE GRATE RECTANGULAR GRATE SHOWN RETRIEVAL SYSTEM (TYP.) BELOW INLET GRATE DEVICE OVERFLOW BYPASS (TYP.) ISOMETRIC VIEW NOTES 1. Size the Below Inlet Grate Device (BIGD) for the storm water structure it will service. 2. The BIGD shall have a built -In high-flow relief system (overflow bypass). 3. The retrieval system must allow removal of the BIGD without spilling the collected material. 4. Perform maintenance in accordance with Standard Specification 8-01.3(15). �ZY O STD. PLAN — 216.30 +PUBLIC WORKS CATCH BASIN FILTER DEPARTMENT MARCH 2008 D.R. STRONG CONSUL TING ENGINEERS ENGINEERS PLANNERS SURVEYORS 620 - 7TH AVENUE, KIRKLAND, WA 98033 FN 0 425.827.3063 F 425.827 2423 2:1 MAX. SLOPE Y S _ Z LEVEL BOTTOMI— a 1' MIN. rrr_ _ = I�IIIIII,i�l—,III_ II - -1 2' MIN. r� SWALE SPACING DEPENDS ON SLOPE GRADIENT NOTES 1. CONDITION OF USE 1.1. REQUIRED AT: 1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3H: IV AND WITH MORE THAN 20 FEET OF VERTICAL RELIEF. 1.1.2. AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELLOW. AVERAGE SLOPE SLOPE PERCENT FLOWPATH LENGTH 20H: 1V 3-5% 300 FEET (10 TO 20) H: IV 5-100/0 200 FEET (4 TO 10 H: IV 10-25% 100 FEET (2 TO 4)H:1V 25-50% 50 FEET 2. DESIGN AND INSTALLATION SPECIFICATIONS 2,1. FOR SLOPES STEEPER THAN 2H: IV WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED INTERCEPTOR SWALES MAY BE USED. THE DESIRE MEASURE MOST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY RUNOFF TO A SEDIMENT POND OR TRAP. 2.2. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED. 3, MAINTENANCE STANDARDS 3.1. DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY. 3.2. IF THE FACILITY DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND/OR FREQUENCY OF THE SWALES SHALL BE INCREASED. Y O STD. PLAN — 217.10 + + PUBLIC WORKS INTERCEPTOR SWALE LENDEPARTMENT MARCH 2008 TREE PRD TEC TION MEASURES 0. CONSTRUCTION STORAGE PROHIBITED: THE APPLICANT MAY NOT FILL, EXCA VA TE, STACK OR STORE ANY EQUIPMENT, DISPOSE OF ANY MATERIALS, SUPPLIES OR FLUIDS, OPERATE ANY EQUIPMENT, INSTALL IMPERVIOUS SURFACES, OR COMPACT THE EARTH IN ANY WAY WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED. b. FENCED PROTECTION AREA REQUIRED: THE APPLICANT SHALL ERECT AND MAINTAIN SIX FOOT (6) HIGH CHAIN LINK TEMPORARY CONSTRUCTION FENCING AROUND THE DRIP LINES OF ALL RETAINED TREES, OR ALONG THE PERIMETER OF A STAND OF RETAINED TREES. PLACARDS SHALL BE PLACED ON FENCING EVERY FIFTY FEET (50) INDICATING THE WORDS, "NO TRESPASSING — PROTECTED TREES" OR ON EACH SIDE OF THE FENCING IF LESS THAN FIFTY FEET (50'). SITE ACCESS TO INDIVIDUALLY PROTECTED TREES OR GROUPS OF TREES SHALL BE FENCED AND SIGNED. INDIVIDUAL TREES SHALL BE FENCED ON FOUR (4) SIDES. IN ADDITION, THE APPLICANT SHALL PROVIDE SUPERVISION WHENEVER EQUIPMENT OR TRUCKS ARE MOVING NEAR TREES C. PROTECTION FROM GRADE CHANGES. IF THE GRADE LEVEL ADJOINING TO A TREE TO BE RETAINED IS TO BE RAISED, THE APPLICANT SHALL CONSTRUCT A DRY ROCK WALL OR ROCK WELL AROUND THE TREE. THE DIAMETER OF THIS WALL OR WELL MUST BE EQUAL TO THE TREE'S DRIP LINE. d. IMPERVIOUS SURFACES PROHIBITED WITHIN THE DRIP LINE. THE APPLICANT MAY NOT INSTALL IMPERVIOUS SURFACE MATERIAL WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED. e. RESTRICTIONS ON GRADING WITHIN THE DRIP LINES OF RETAINED TREES. THE GRADE LEVEL AROUND ANY TREE TO BE RETAINED MAY NOT BE LOWERED WITHIN THE GREATER OF THE FOLLOWING AREAS. (l) THE AREA DEFINED BY THE DRIP LINE OF THE TREE, OR (ll) AN AREA AROUND THE TREE EQUAL TO ONE AND ONE—HALF FEET (1-1/2) IN DIAMETER FOR EACH ONE INCH OF TREE CALIPER. THE REVIEWING OFFICIAL MAY REQUIRE A LARGER TREE PRO TEC TION ZONE BASED ON TREE SIZE, SPECIES, SOIL, OR OTHER CONDITIONS f. MULCH LAYER REQUIRED: ALL AREAS WITHIN THE REQUIRED FENCING SHALL BE COVERED COMPLETELY AND EVENLY WITH A MINIMUM OF THREE INCHES (J') OF BARK MULCH PRIOR TO INS TALLA TION OF THE PRO TEC TI VE FENCING. EXCEPTIONS MAY BE APPROVED BY THE REVIEWING OFFICIAL IF THE MULCH WILL ADVERSELY AFFECT PROTECTED GROUND COVER PLANTS g. MONITORING REQUIRED DURING CONSTRUCTION. THE APPLICANT SHALL RETAIN A PROFESSIONAL ARBORIST OR OTHER QUALIFIED PROFESSIONAL TO PRUNE BRANCHES AND ROOTS, FERTILIZE, AND WATER AS APPROPRIATE FOR ANY TREES AND GROUND COVER WHICH ARE TO BE RETAINED. M 11 LP 07.13.15 � SURVEYED: riM sis DESIGNED:,,•• DRAWN: Wx CHECKED: REVISION BY DATE AP P R APPROVED: SCALE: AS NOTED ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY NOTES: Y ROCK MUST COMPLETELY COVER THE m BOTTOM AND SIDES OF THE DITCH n 0 D`\ 6" MIN. moa a Z G� 24" MIN. L(I 0 oQ�o aoo0 2:1 SLOPES 2"-4" ROCK Q� G]QG� a L = THE DISTANCE SUCH THAT POINTS A AND B ARE OF EQUAL ELEVATION ;111115 oA L B o4aa0 III III .,III„ 1111= —I NOTES 1. CONDITION OF USE 1.1. WERE CONCENTRATED RUNOFF FROM DISTURBED AREAS TO AND FROM PONDS OR TRAPS. 1.2. TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO A NON-EROSIVE DISCHARGE POINT. 2. MAINTENANCE STANDARDS 2.1. ANY SEDIMENT DEPOSITION OF MORE THAN 0.5 FEET SHALL BE REMOVED SO THAT THE CHANNEL IS RESTORED TO ITS ORIGINAL DESIGN CAPACITY. 2.2. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS. IF SCOURING AND EROSION HAS OCCURRED, AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET. Y o STD. PLAN — 217.40 + PUBLIC WORKS CHECK DAMS SPACING AND DEPARTMENT CROSS SECTIONS MARCH 2008 1. 6—FT" HIGH TEMPORARY CHAIN LINK FENCE SHALL BE PLACED AT THE DR/PLINE OF THE TREE TO BE SAVED PRIOR TO CONSTRUCTION. 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 CONSTRUCTION, MAKE A CLEAN, STRAIGHT CUT TO REMOVE THE DAMAGED PORTION. 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 PROTECTION FENCE SHALL BE DONE MANUALLY. NO STOCKPILING OF MATERIALS, VEHICULAR TRAFFIC, OR STORAGE OF EQUIPMENT OR MACHINERY SHALL BE ALLOWED WI THIN THE LIMIT OF THE FENCING. TREE PRO TEC TION DETAIL R-383505 VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATM _ DR/PLINE I I— �'I DRAWINGS NOT APPROVED FOR CONSTRUCTION UNLESS STAMPED OR SIGNED APPROVED BY THE REVIEWING AGENCY CITY OE RENTON Planning/Building/Public Works Dept. IN COMPLIANCE WITH CITY OF RENTON STANDARDS BY. Date:' BY: Date: -746--/5 BY: Date: BY: Date: MAERTINS RANCH T.E.S.C. NOTES AND DETAILS 01.20.2015 FIELDBOOK: PAGE: DRAWING NO: C5 SHEET: 5 OF:20 v �z D j C 71 cn CIO2 Z M Z C) m� M., C 'z M M M en Cl D M M M D cn CD D' cn D D 71 cn CIO2 t: �m z �S Z C) m� M., C 'z M M M en Cl D I t: o00 (> v, > c CD � Z In M M n M M �o D cn<