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Home My WebLink AboutR-368723no 0 0 N, Q d G� LAJ �O W 3 O a d �lr Y 4 0 SvVkI L BE PA`VED TC -C E W 14' P xIC, R T l INSTAI H A I Ij o Cs ' I# -� r IT IS rtrl C li9E z THA THE E,NTP A S.,° E BE +`s a., i .>..(R � 4A;T RUNL,)f•T €TTLH4ENS O ` ltiE PAD uvSTALL :A4, /EAgky CULVERT W 7-4ERE LS A ROA 51D£ UTDI PRESENT AS 'ER ('f -Y ROA7) STAkCAP S Y� 4' S' 0,-App", SPAL -S -1 r 1� hilh, T-•K.ANES5 a Rtr•V JE ^&,..�L.1... iACDTa(OL NOT" M,RE,SS _ GRESS AREA 1. CONOfiION OF USE CONSTRUCTION ENTRANCE SHALL. BE STABILIZED WHEREVER TRAFFIC VVILL BF WAVING A CONSTRUCTION SIT F ANC TRAY =LING O PAVED ROADS OR OTHER FAMED AREAS MT-41N 1.000 FEET OF THE SITE. PAR TEk-S ;f '7 RF9 %GT "i- i,ASTV "5s7Jj ?[Y,PSI NA4f, ►tA B ? LN S: d L L C+N G.a' P__ N (A. 'M JW� 32 3OCr r4kx v4 tLEN 81_45 S- Rt4GT► ;A'Tr.'D?:zb ,A AYTPSI M!tN 2ti4= S 1'AN. P A R U S1E V; S:ZEI L DESIGN AND WSTALLATION SPECIFICATIONS 2.1. HOG FUEL (WOOD BASED MULCH) MAY BE SJBSTTTUTED FOR OR COMBINED WITH QUARRY SPALLS IN ,ARES THAT VALL BOT BE USED FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR: NiAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS F THE HOG FUEL IS NOT PREVENTING SEDIMENT FRONT 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 TRL..1CTION E.' TRANCI° , 2.3. WHENEVER POSSIBLE THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM. COMPACTED SUDG R I .E, THIS CAN St, BSTANXIAL..LY INCREASE THE EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE, I MAINTENANCE STANDARDS 3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCM WITH THE SPECIFICATIONS, 32. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT BEING TRACKED ONTO PAVEMENT, THEI'<,I AL.T'FRINATIVE WASURES TO DEEP THE STREETS FREE O;: SEDMNENT SHALL BE USED. THIS MAY 104CLUDE STREET SWEEPING. AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE 0%STALLATION OF THE WHEEL WASH. IF WASHING 1S USED, IT SHALL BE DOME ON AN AREA COVERED MTH 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 COLLECTE D BY SWEEPING SHALL BE REMOVED OR STABILIZED Ot� SITE. THE PAVEMENT SHALL 1407 BE CLEANED BY WASHING DO'NN THE !31REFT. EXCEPT %MEN, SWEEPING IS INEFI =ECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF IT NECESSARY 70 01AS(° THE STREETS. A SMALL SUMP MUST BE CONDUCTED. THE SEDIMENT WOULD THEN BE WASHED INTO'T "HE SUKIP'WH RE IT CAN BE CONTROLLED ANU DISCHARGED APPROPRIATELY, 3.4. ANY OUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHAL_ BE REMOVED PAMEDIATELY. 3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CON- STRUCTION ENTRANCE(S), FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC N.W. 1/4t SEC. 15 TWP. 23N., s.. uAx. DR SAG : tRAX E i TR M ,[ t .. GRA r E:J- kdAPO, c i SFD F ENT AAD C EBR: { DvERF_OW BYPASS Y1 , 3ELC* N_ET GRIN* C)EVGE i ' SLOPES DRANAGE GRATE E R.UCT AN : U.,AR GRA.' L CSHO'04N RETRIEVAL S"STEM (TYP.; NOTES 1, Size the Below Inlet Grate [device (BIGO) tur the stc im water s ructure It WIN Service. 9 Tie BIGD shah have a built -in *h -flow relief sYsieni (overlicw bypass). It The retrieval sys` n must :alk)w re,rnoval of we BIGD solfiraq the collected material. 4. �e4ore -i v'ai !ena=x;e it) accvr; arice wit') Stardar' Sic Raton 8-01.3(15}. RGE. 5E., W.M. RIOCK MUST COMPLE'E_Y CCVER THE SCI TOM ANC &DE-S OF T-L- D TCH ■ 6' M +N INMES 1. CONDITION OF USE ? .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, AN" SEDIMENT DEPOSITION OF MORE THAN 0.5 FEET SHALL BE REMOVED SO THAT THE CHANNEL IS RESTCREG TO ITS ORIGINAL DESIGN CAPACITY. 2.2. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOJRING AND EROSION OF THE BED AND BANKS. IF 50DURING AND EROSION HAS OCCJRRED, AFFECTED AREAS SHALL BE PROTECTED BY RF'RAP OR AN EROSION CONTROL BLANKET. . F -- 215-10 3'!'D. PLAN - 218.30 STD. PLAN -17.4U I ( CHECK DAMS SPACING AND STABILIZED ► I : ° ,'a t CATCH BASIN FILTER }, i CONSTRUCTION ENTRANCE _ _ : �. I I [ °1 .`_IF;` `I' _..........._.... _...... _........_.._ i'1FF'�, _. .%�F,�'r CROSS SECTIONS 11 II Surface Water Standard Plan Notes 1. These notes shall appear on projects for the surface water utility. 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 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 to the City. 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 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. 5. A copy of these approved plans must be on the job site whenever construction is in progress. 6. Grading activities (site alteration) are limited to the hours of 7 a.m. to 7 p.m. Monday through Saturday and no work on Sunday is allowed, unless otherwise approved with a written decision by the City of Renton. 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. CITY OF NTON Approved by Approved by: Approved by: Approved by: Dade: Date: Date: 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. 9. Datum shall be NAVD 88 unless otherwise approved by the City of Renton. Reference benchmark and elevations are noted on the plans. 10. Any dewatering system necessary for the construction of stormwater facilities must be submitted t11. All utility trenches and roadway subgrade shall be backfilled and compacted to 95 percent density, standard proctor. 11. All utility trenches and roadway subgrade shall be backfilled and compacted to 95 percent density, standard proctor. 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 restoration standards. 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. 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. 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. PREFERRED LStIVGI1NL+ ERfi (G,9 fl-L-C CIVIL ENGINEERING - PROJECT MGT - ADV. HYDRAULICS 8957 DISTRICT LINE RD PH (360) 661 -6656 BURLINGTON, WA 98233 M RMSM BY 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. 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 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 - 409 passing; and less than 2 inch rock / 10 - 20% passing. 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 the City upon completion. 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 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. awll■1�11 soEs AXIS FtB M! Lae it 1111NL R8 Ir Iler os �IVI DiATE APPR � '0AL110101°"""'r 1 0 =zo• R- 368113 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 respect to other utilities (e.g. power, gas, telephone, television). f. All individual stub -outs shall be 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 valve. 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 proper functioning and maintenance of the system provided during construction. 26. 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 thenormal 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. 27. 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). STRUCTURAL NOTES. 1. These plans are approved for standard road and drainage improvements only. Plans for structures such as bridges, vaults, and retaining walls require a separate review and approval by the City prior to construction. 2. Rockeries are considered to be a method of bank stabilization and erosion control. Rockeries shall not be constructed to serve as retaining walls. All rockeries in City road right -of -way shall be constructed in accordance with City Standards. Rockeries outside of road right -of -way shall be constructed in accordance with the International Building Code. DD EW77 4 LOOT SHOU°�7 G°_LQ7 08/04/2013 •� CITY OF 22100 DDUWALL AMC WW RENTON , o e o o M- PAGE � G�Q�i Ii 0 �l C� C� O D C� .�I..1. Planning /Building /Public Wors Dept. DWG SURFACC WATER STANDARD DDCTADLS 2 'T2 of 1f _ 4 Q -NNNNAP F rJ v - 1 r - W j