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HomeMy WebLinkAboutR-3970060/�� V/ co i w I- I- W W 77 U) U Ld L4 a- �X\SS\NC'�OP9 INSTALL DRIVEWAY CULVERT IF THERE IS A ROADSIDE DITCH PRESENT, AS PER CITY ROAD STANDARDS 4"-8"QUARRY SPALLS GEOTEXTILE 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 x 3 Y g JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS, OR FOI IIVAI FNT TO ATTACH FARRIC TO POSTS. 2'x2" BY 14 Ga. WIRE OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED FILTER FABRIC f fV _I 1 1 IT g 6' MAX. MINIMUM 4"x4" TRENCH BACKFILL TRENCH NATIVE SOIL POST SPACING MAY BE INCREASED TO W IF WIRE BACKING IS USED 2"x4- WOOD POSTS, STEEL FENCE / POSTS, REBAR, OR EQUIVALENT 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 NOTES PAVED ROADS OR OTHER PAVED AREAS WITHIN 1,000 FEET OF THE SITE. 1 CONDITION OF USE GRAB TENSILE STREBNGTH(ASTMD4751) 200PSI MIN. GRAB TENSILE ELONGATION (ASTM D4632) 30% MAX. MULLEN BURST STRENGTH ASTM D3786-80A 400 PSI MlN. AIDS (ASTM D4751) 20-45 (U.S. STANDARD SIEVE SIZE) 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. 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 2.1. THE GEOTEXTILE USED MOST MET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MOST BE FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR MAY AVAILABLE ON SITE. 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 IN THE DIMENSIONS OF THE NT HA BE D. THIS MAY INCLUDE STREET SWEEPING AN INCREASE S STREETS FREE OF SEDIMENT SHALL USE S D 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 SPACES THAT ARE LOOSENED FROM THE PAD AND END UPON THE ROADWAY SHA L L 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. 30-100 SIEVE SIZE (0.60-0.15MM) FOR SILT FILM ADS (ASTM D4751) 50-IODSIEVE SIZE 0.30-0.15MM) FOR OTHER FABRICS WATER PERMITTIVITY ASTM D491) 0.02 SEC^-1 MINIMUM GRAB TENSILE STRENCHT (ASTM D4632) 180 LOS. MIN. FOR EXTRA STRENGH FABRIC 100 LBS. MIN. FOR STANDARD STRENGHT FABRIC GRAB TENSILE ELONGATION(ASTMD4632) 30%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 2HA V 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. ti�Y o STD. PLAN - 215.10 Y STD. PLAN - 214.00 PUBLIC WORKS STABILIZED .�__� + PUBLIC WORKS SILT FENCE DEPARTMENT CONSTRUCTION ENTRANCE MARCH 2O08 ��� _ "�� DEPARTMENT N� I MARCH 2O08 STANDARD STRENGTH GRATE FILTER FABRIC -III I� I IIIII CATCH BASIN I I I I I TOTES 1. CONDITION OF USE 1.1. SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCHBASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP. 1.2. MAY BE USED ANYWHERE AT THE APPLICANT'S DISCRETION TO PROTECT DRAINAGE SYSTEM. 1.3. THE CONTRIBUTING DRAINAGE AREA MOST NOT BE LARGER THAN 1 ACRE. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. FILTER FABRIC IS ONLY ALLOWED WERE PONDING WILL NOT BE A TRAFFIC CONCERN AND WHERE SLOPE EROSION WILL NOT RESULT IF TH. CURB IS OVERTOPPED BY PONDED WATER. 2.2. THE PLACEMENT OF A FILTER FABRIC UNDER GRATES IS GENERALLY PROHIBITED AND THE USE OF FILTER FABRIC OVER GRATES IS STRICTLY LIMITED AND DISCOURAGED. 3. MAINTENANCE STANDARDS 3.1. ANY ACCUMULATED SEDIMENT ON OR AROUND INLET PROTECTION SHALL BE REMOVED IMMEDIATELY. SEDIMENT SHALL NOT BE REMOVED WITH WATER AND ALL SEDIMENT MUST BE DISPOSED OF AS FILL ON SITE OR HAULED OFF SITE. ti�Y o M. PLAN - 216.E I PUBLIC WORKS FILTER FABRIC PROTECTION ,��•`o$ DEPARTMENT MARCH 2O08 PERMEABLE DEPRESS LANDSCAPING I' PAVEMENT SECTION. CONCRETE BAND NEXT TO EDGE TREATMENT SEE NOTE 2 LANDSCAPE EXTEND TO BOTTOM OF PAVEMENT BASE CONCRETE BAND AT LANDSCAPE PERMEABLE FLUSH EDGES PAVEMENT SECTION. -� SEE NOTE 2 I KEY OR EXPANSION JOINT PER DPW APPROVAL (TYP ) IMPERMEABLE PAVEMENT 2" MIN EMBEDMENT KEY FROM ADJACENT IMPERMEABLE PAVEMENT BASE CONCRETE ELAND EXTEND TO J BOTTOM OF PAVEMENT BASE CONCRETE BAND BETWEEN PAVEMENT 1 ALL PERMEABLE PAVEMENT APPUCATIONS SHALL CONFORM TO THE CURRENT CITY OF RENTON STORMWATER DESIGN MANUAL SECTION C 2 7 AND WSDOT LOCAL AGENCY GENERAL SPECIAL PROVISIONS 2 SEE STO PLAN 261 10 FOR PERMEABLE PAVEMENT SECtIONS UNLESS OTKRWISE NOTED, OAAMN G IS NOTTO SCALE (NIS A. STD. PLAN - 261.00 PUBLIC WORKS PERMEABLE PAVEMENT OVED DEPARTMENT EDGE TREATMENTS REVISION CONTROL JOINT (TYP I (PERVIOUS CONCRETE ONLY( DESIGNER CI SPECIFY i DESIGN WATER SURFACE SPACING ELEVATION CONTROLLED 10%MAX SLOPE V MIN CHECK DAM BY OUTLET i - _ I CLEARANCE I SEE PERMEABLE _ PAVEMENT SECTION STD PLAN 26110 CONTROLLED DENSITY FILL SUBSURFACE CHECK DAM PER // DESK3N€R TO SPECIFY ` 1 MOOT SECTION 2-093(1)E / CHECK DAM HEIGHT fi h''r (rYP ) C14ECKDAM REQUIRED FOR SLOPE STEEPER THAN 5% TC SPeC cv SUBGRADEPER SLOTTED UNDERDRAIN. STO PLAN 261 10 J 6" MIN BEDDING SEE NOTE 2 CONTROLLED DENSITY FILL SUBSURFACE CHECK DAM CONTROL JOINT (TYP 1 (PERVIOUS CONCRETE ONLY) DESIGNER TO SPECIFY DESIGN WATER SURFACE SPACING ELEVATION CONTROLLED BY OUTLET 10% MAX SLOPE T 1" MIN CHECK DAM _..... < . CLEARANCE SEE PERMEABLE PAVEMENT SECTICh STO PLAN 261 iC I _- SUBGRApE PER STO PLAN 261 10 DESIGNER TO SPECIFY ^� l 1 n In`J SUBSURFACE CHECK ` ! 1 COMMERCIAL CONCRETE J� SUBSURFACE CHECK DAM PER OAM SIGHT 3" MIN KEY \\ 'NSOOT SECTION 6-02 3(2)8 (TYP } SLOTTED UNDERDRAZN CHECKDAM REQUIRED FOR SEE NOTE 2 SLOPE STEEPER THAN 5% 6' MIN BEDDING CONCRETE BAND SUBSURFACE CHECK DAM CLEANOUT PER STD OUTLET ELEVATION, PLAN 226 00 WATER LEVEL CONTROLLED BY DESIGNER TO SPECIFY i- OUTLET ELEVATION SEE PERMEABLE �� `r TYPE I CB PER STD. PLAN _ T.:1' L PAVEMENT SECTICN - MIN 200 WOR OTHER STRUCTURE e STD PLAN 281 10 12MIN tt g� MAX � WITH APPROVAL f IINIIIEIINIII�NIillll IILNIIIIi111INIIIi111AIN111HN REMOVABLE PLUG sy_y-1 FOR MAINTENANCE UNDERDRAIN AGGREGATE SANITARY TEE CLEAR SEE NOTE I WITH OPTIONAL SLOTTEDUNOERDRAIN PIPE. I RISER PIPE OUTFLOW SEE NOTE I vY PER 1 4 STOP N 1 SUBGRADE 12' MIN SUMP UNDERDRAIN AND OVERFLOW NOTES: CONTROL STRUCTURE WITH RISER 1 UNOERORAiN AGGREGATE SHALL MEET SPECIFICATION IN THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (SWDK TABLE C2 7 to PERMEABLE BALLAST PER SPEC 943 9(2) % 2 UNDERDRAIN TO BE 6- MIN (PRIVATE). 8- MIN. (PUBLIC) SLOTTED PVC PER ASTM D17a5 SCH 40 SLOTS PER SWDM C 2 7 1 OF SWOM SLOPE PIPE AT 0 5 WN UNLESS OTHERWISE SPECIFIED PROVIDE ONE CLEANOUT MIN PER 100 FEET OF UNOERORAIN. AND AT EACH END SEE STO- PLAN 22600 3 UNOERDRAIN SHALL BE PLACED IN FILTER MATERIAL PER SPECIFICATIONS IN TABLE C 2 7 to OF SWOM PIPE WILL HAVE A MINIMUM COVER DEPTH OF WAND BEDDING DEPTH OF 6" GENERAL NOTES: 1 LOCATE UNDERORAIN BELOW STRUCTURAL PAVEMENT BASE DFP-H UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE STD. PLAN - 261.20 PUBLIC WORKS PERMEABLE PAVEMENT: SUBSURFACE P ROYED DEPARTMENT CHECK DAMS AND UNDERORAIN S� IT BASE SAND LAYER SEE NOTE 4 I Z' MINI ABOVE SEASONAL HIGH GROUNDWATER OR HYDRAULICALLY RESTRICTIVE LAYER PERVIOUS CONCREI'"OROUS AWHALT MINIMUM MATERIAL THICKNESS QN): RESIDENTIAL STREETS AND PEDESTRIAN ALLEYS PERVIOUS POROUS PERVIOUS POROUS LAYER MATERIAL TYPE" CONCRETE ASPHALT CONCRETE ASPHALT JINI (IN) ICI ION) PERMEABLE PAVEMENT, SEE NOTE 1 8 5 S 4 (R } `•©_/ CHOKER COURSE 0 ° 0 2 AGGREGATE BASE SEE NOTE 2 6 6 6 • NOTES: 1 PERMEABLE PAVEMENT THICKNESSES LISTED FOR POROUS ASPHALT INCLUDE WEARING COURSE AND ASPHALT TREATED PERMEABLE BASE (ATPBI WHEN UTN.IZED CHOKER COURSE REQUIRED WHEN ATPB IS USED 2 RUNOFF STORAGE REQUIREMENTS MAY REQUIRE A THICKER AGGREGATE BASE. HYDRAULIC MODELING RESULTS SHOWING THE REQUIRED AGGREGATE BASE THICKNESS FOR STORMWATER CONTROL MUST BE SUBMITTED 3 PREPARE AND PROTECT SUBGRADE PER APWA GSP 2-06 3(3) SLW-AADE FOR PERMEABLE PAVEMENTS COMPACT TO A DEPTH OF 6 TO 90%-92% OF MAXIMUM DENSITY PER WSDOT 2-03 3(14)0 OVERCOMPACTED SUBGRADE SHALL 13E SCARIFIED TO 8" MIN AND RECOMPACTEO 4. PERMEABLE PAVEMENT SHALL BE DESIGNED WHERE THE BOIL BENEATH THE BMP MEETS A MINIMUM ORGANIC MATTER CONTENT OF 10% AND A MINIMUM CATION EXCHANGE CAPACITY OF 6 MILUEQUIVALENTS PER 100 GRAMS A 61NCH SAND LAYER MUST BE INCLUDED IN THE DESIGN BENEATH THE PERMEABLE PAVEMENT IF THE SOIL ODES NOT MEET THESE PROPERTIES OEIIl1lAL lams: 1. REFER TO WSDOT LOCAL AGENCY GENERAL SPECIAL PROVISIONS (GSP%) DIVISIONS 2-9 APWA GSPS, AND WSDOT STANDARD SPECIFICATIONS 2 POROUS HMA SHALL CONFORM TO REQUIREMENTS OF APWA GSP 5# 3. PAVEMENT BASE SMALL BE INSTALLED PER APWA GSP 4-04.3(5) SHAPING AND COMPACTION 4, PERMEABLE ASPHALT TREATED BASE (PATE) SHALL CONFORM TO THE REQUIREMENTS OF APWA GSP 4-SA2 CRUSHED SURFACING CHOKER COURSE (CSCC) SHALL CONFORM TO THE REOUIREMENTS OF APWA GSP 4-04 2(6-03 9(2)) OP12 S PERMEABLE BALLAST SHALL CONFORM TO THE REQUIREMENTS OF APWA GSP 4-04 20S-03.9(2)).Opll 6 MINIMUM UTILITY SETBACKS AND PROTECTION MEASURES MUST CONFORM TO CURRENT CITY STANDARDS AND OTHER UTILITY PROVIOER REQUIREMENTS REFER TO THE CITY OF RENTON SURFACE WATER DESIGN MANUAL AND STANDARD PLANS 266 10 AND 265 20 7 PERMEABLE PAVEMENT SHALL BE DESIGNED OR REVIEWED BY A LICENSED ENGINEERING GEOLOC457 OR GEOTECHNICAL ENGINEER. FOR ALL APPLICATIONS, PAVEMENT DESIGNS MUST BE PREPARED BY AN ENGINEER LICENSED IN VLASHINGTON STATE. 8. ACCEPTANCE TESTING FOR SIDEWALKS, PATHS AND VEHICULAR PAVEMENT LESS THAN 2,000 SF SHALL BE AS FOLLOWS PAVEMENT SHALL BE PERMEABLE ENOUGH TO ABSORB WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATELY AFTER SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES APPROVAL N/TH 6 GALLON BUCKET TEST, WATER TRUCK. OR ASTM C1701 USING A 12-INCH RING SEALEOAT THE PAVEMENT SURFACE 9. ACCEPTANCE TESTING FOR ROADMYS AND PARKING AREAS OF 2.000 SF OR GREATER SHALL HAVE A MINIMUM INFILTRATION RATE OF 100 IY14R PER ASTM C1701 AND APWA GSP 544.3 AND S W.3(6), 10 ROADWAYS, DRIVEWAYS, AND PARKING LOTS SUBJECT TO VEHICLE LOADING SHALL MEET STRUCTURAL REQUIREMENTS OF CITY OF RENTON TRANSPORTATION DEPARTMENT STANDARDS FOR EQUIVALENT NON -PERMEABLE PAVEMENT TYPES 11. REFER TO THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (SWDM)FGR ADDITIONAL REQUIREMENTS PER SWDM C 2 7. 12 FOR PERMEABLE PAVEMENT INSTALLATIONS ON SLOPES GREAT"THAN 5%, CHECK DAMS AREA REQUIRED PER STO PLAN 26120 UNLESS oTHERtAT5E NOTED, DRAWING IS NOT TO SCALE STD. PLAN - 261.10 PUBLIC WORKS DEPARTMENT PERMEABLE PAVEMENT MATERIAL SECTIONS - PERVIOUS CONCRETE AND POROUS ASPHALT SURFACE WATER STANDARD PLAN NOTES U 00 1. THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY. a m 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD BETWEEN THE CITY OF RENTON PLAN REVIEW SECTION AND THE APPLICANT. < 3. ALL DESIGN AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE RENTON MUNICIPAL CODE (RMC), THE LATEST EDITION OF THE STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY z THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. IT SHALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, OMISSION OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THIS PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST m TO THE CITY, F� 4. APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION (E.G. DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL. ETC.)THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE F�1 Z APPROVED PLANS, WHICH ARE ON FILE IN WITH THE CITY, ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. y` 5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. r T, W DO NDECISION BY TH ITY OF RENTON. �•i•� UNLESS OTHERWISE APPROVED WITH A WRITTEN E C I T THE HOURS F 7 A.M. TO 7 P.M. M NDAY THROUGH SATURDAY AND NO WORK ON SUNDAY IS ALLOWED U 0 DO 6. GRADING ACTIVITIES (SITE ALTERATION) ARE LIMITED 0 E OU S 0 0 ROa 7, IT SHALL BE THE APPLICANT'S/CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE INITIATING OFF -SITE WORK. EASEMENTS REQUIRE CITY REVIEW AND APPROVAL PRIOR TO CONSTRUCTION. W 8. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIREMENTS OF CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL ARE SUBMITTED TO THE CITY OF RENTON. (� Z 9. DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS. 0. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES MUST BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL. PAGE 2 Z 11. ALL UTILITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY, STANDARD PROCTOR. �(J 12. OPEN CUTTING OF EXISTING ROADWAYS FOR NON -FRANCHISED UTILITY OR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY OF RENTON TRENCH J RESTORATION STANDARDS. 0 /--i 13. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. U 14. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. v �•i.I� 15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE, ALL PIPE BEDDING SHALL BE APWA CLASS "C", WITH THE EXCEPTION OF PVC PIPE. 16. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. OD 17. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION/DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS. 18. BUILDING AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WIDTHS AND BUILDING SETBACKS LINES. w 19. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 20. ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY OF RENTON RIGHT-OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND cn QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 - 8 INCH ROCK / 40 - 70% PASSING; 2 - 4 INCH ROCK / 30 - 40% PASSING; AND LESS THAN 2 INCH ROCK / 10 - 20% PASSING. o 21. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO a THE CITY UPON COMPLETION. PAGE 3 22. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR INFILTRATION BY THE CITY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING: A. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL a FUTURE ROOF DOWNSPOUTS AND FOOTING DRAINS, DRIVEWAYS, YARD DRAINS, AND ANY OTHER SURFACE OR SUBSURFACE DRAINS NECESSARY TO RENDER THE LOTS SUITABLE FOR THEIR INTENDED USE. EACH OUTLET SHALL HAVE FREE -FLOWING, POSITIVE DRAINAGE TO AN APPROVED STORMWATER CONVEYANCE ¢ SYSTEM OR TO AN APPROVED OUTFALL LOCATION. B. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A FIVE -FOOT -HIGH, 2" X 4" STAKE MARKED "STORM" OR "DRAIN". THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE. C. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL AND, IF NON-METALLIC, THE PIPE SHALL BE PLACED IN A TRENCH WITH A TRACING WIRE ABOVE OR OTHER ACCEPTABLE DETECTION. D. PRIVATE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL LOTS. E. THE APPLICANT/CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUBOUT CONVEYANCE LINES WITH RESPECTTO OTHER UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION). F. ALL INDIVIDUAL STUB -OUTS SHALL BE , E , A PRIVATELY OWNED AND MAINTAINED BY THE LOT HOME OWNER. G. STORM DRAINAGE PIPE SYSTEMS SHALL NOT PENETRATE BUILDING FOUNDATIONS, EXCEPT FOR SUMP PUMP DISCHARGE LINES USED TO DRAIN CRAWL SPACES, PROVIDED THE SUMP PUMP SYSTEM INCLUDES BACKFLOW PREVENTION OR A CHECK 0 W Asg VALVE. �titi G� 23. ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE MUST DEMONSTRATE ONE OF THE FOLLOWING: THE EXISTING DUFF LAYER SHALL BE STAGED AND REDISTRIBUTED TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL, OR; AMENDED SOIL SHALL BE ADDED TO MAINTAIN THE MOISTURE CAPACITY. 24. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO THE CITY PRIOR TO CONSTRUCTION PERMIT ISSUANCE. 25. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE -43211 PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. � GIST F THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PAGE 4 PERFORMANCE �PSIONAL OF WORK. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVE BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1-07-23 TRAFFIC CONTROL SHALL APPLY. PROJECT LOCATED WITHIN THE AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT #6 OF THE SURFACE WATER DESIGN MANUAL AND AQUIFER PROTECTION REGULATIONS (RMC 4-3-050). R-397006 IN COMPLIANCE WITH CITY OF RENTON STANDARDS SURVEYED: DESIGNED: K L DRAWN, KL CHECKED: AEP BY DATE APPR APPROVED: VERTICAL: NAYD 1988 SCALE HORIZONTAL- NAD 1983/1991 ONE INCH DATUM AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY 0 CITY OF RENTON Planning/Building/Public Works Dept. �J H H DEVELOPMENT ENGINEERING SURFACE WATER UTILITY Q Ann Fowler 08/01 /2018 rstraka 08/03/2018 -� n rr O LALLY'S SHORT PLAT STANDARD DETAILS DATE: + 08/03/2017 O FlELDBOOK: BOOK PAGE PAGE V ) DRAWING NO: C 6 SHEET: OF: 6 71 J