Loading...
HomeMy WebLinkAboutWTR2703044.10 H o 00 N � U N %to Q �O � W n- Z LJry Q zz W LLJ 01-*' Q CIS � m �o WZ_ J W E-- Ln z i a a� 0 Liz U) 00 0 1 U }- z Z W a. Ury 0) W c `CC -� c GL S o N I � � 1 ,.- ik w d Zi I Z� zi ! 1 f o i I 1 � CL Q w M l~ 4 C m 1 � � i I 1 I i i i Z Z jo G I f i i i O i Z �, �y SS COORD W/PLUMBER FOR LOC AND iE. APPROX iE = 214.0 FIELD VERIFY EX SS IE & LOCATION EX 4"IE 214.0 (APPROX) SS COORD 'W/PLUMBER FOR LOC AND IE W ��� .P APPROX � = 208.5 LA CE o oRD (VACATED 21o6) � � SANITARY MANHOLE (S3) L20' SEWER ESMT G41� ADJUST RIM TO FINAL GRADE PER ORDINANCE No. 2106 Q 0� RIM = 2 40. 20 1E=236.90(8"E&W)�� I E = 237,00 (6" S) GENERAL NOTES: (1) All construction shall be in accordance with the "1994 Standard Specifications for Road, Bridge and Municipal Construction" prepared by W.S.D.O.T., and the American Public Works Association (APWA), as amended by the City of Renton Department of Public Works. (2) All construction shall be in accordance with the King County Code (KCC) Road Standards (KCRS), and the King County Council's condition of preliminary subdivision approval. 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 these plans. All corrections shall be at no additional cost or liability of King County. (3) The design elements within these plans have been reviewed according to the King County Department of Development and Environmental Services (DDES) Engineering Review checklist. Some elements may have been overlooked or missed by the DDES plan reviewer. Any variance from adopted standards is not allowed unless specifically approved by King County, prior to construction. (4) Approval of this road, grading, and drainage plan does not constitute an approval of any other construction (e.g. domestic weer conveyance, sewer conveyance, gas, electrical, etc.) (5) Before any construction or development activity a preconstruction meeting must be held between the DDES's Development Inspection Unit, the Applicant, and the Applicant's Construction Representative. (6) A copy of these approved plans must be on the job site whenever construction is in progress. (7) Construction noise shall be limited as per King County Code (Section 12.88), normally this is 7 a.m. to 10 p.m. weekdays and 9 a.m. to 10 p.m. on weekends. (8) It shall be the Applicant's/Contractor's responsibility to obtain all construction easements necessary before initiating off -site work within the road rights -of -way. (9) 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 KCRS Chapter 8 are submitted to the DDES's Development Inspection Unit three days prior to construction. (10) Datum shall be KCAS unless otherwise approved by the DDES. 01) Ground water system construction shall be within a right-of-way or appropriate drainage easement, but not underneath the roadway section. All ground water systems must be constructed in accordance with Section B1 3.02 of the APWA Standard Specifications. (12) All utility trenches shall be backfilled and compacted to 95% density. (13) All roadway subgrade shall be backfilled and compacted to 95% density. WSDOT 2-06.3. (14) Open cutting of existing roadways is not allowed unless specificolly approved by the DDES and noted on these approved plans. Any open cut shall be restored in accordance with KCRS 8.03 (B) 3. (15) The Contractor shall be responsible for providing adequate safeguards, safety devices, protective equipment, flaggers, and any other actions needed to protect the life, health, and safety of the public and to protect property in connection with the performance of work covered by the Contractor. Any work within the traveled right-of-way that may interrupt normal traffic flow shall require at least one flogger for each lane of traffic affected. All sections of WSDOT Standard Specifications 1-07.23 - Traffic Control, shall apply. (16) Retaining wall designed by others. WATER UTILITY NOTES, ome i- "WATVP. S+�Ryl� w/ PRy (1) All work material shall l be in co, �forl , ,an - w,1h the stanaa ds and spe..i, nations of he City of Renton Planning/Building/Public Works Department and the latest edition of the R. 'WSDOT/AP WA Standards and Specifications, as approved and modified by the City of Berton in the Renton Standard Plans & Specifications. A set of approved plans shall be kept on site at all times during construction. SANITARY MANHOLE (S1) (2) The hours of work in the street right of wcy shall be limited to 8:30 am to 3:30 pm ADJUST RIM TO FINAL GRADE on weekdays unless otherwise approved in writing by the Department of Public Works at RIM 97.37 1C1 "1. 0235-2631. All street closures, partial or full, shall be approved by the Department of IE - ' 91.97 '8" N) P� �blic `Norks 73 hours in advance. The Police De^^ Fire Department, and 911 shall i - ,� p�rtrrient, IE _ 191.97 (6" W) be notified 24 hours in advance of any work in the right of way. IE = 192.17 ,8,= C All i ��+i n f x' + r +; ; h n .� ,� �, +-. �) I oc o s o e s.i u,. 'es s ow , a. e Cp . oximate 'arid . .z,lail be �e 9 .P 23' INGRESS, EGRESS AND contractor's responsibility to verify the true and Correct location so as to avoid damage ;. �EMENT LINE, TYP or disturbance. For utility locate call 48-Hours Locators, 1-SJO-424--5555. r4� (4) All water main pipe to be cement lined ductile iron pipe conforming to AWWA C110 SEWER SERVICE e ,i thickness Class 52. Cement mortar lining and seal coatis ,P 1 � � i � � i and C i 11 or latest revision, � „ a., g g ROVIDE 2 S"E1�E OR BLOCK shall conform to AWWA C104 or iciest revision. Pipe joints to be push -on or mechanical -QUT AT WALL PENETRATIONS. joint. Bedding to be Class C. All ductile iron pipe and fittings shall be polyethylene PROVIDE DUCTILE IRON PIPE- wrapped per ANSI/AWWA C105/A21.5-93 Standards. SLEEVE !F CROSSING UNDER (5) Cast iron and ductile iron fittings shall be cement lined, pressure rated as noted on FOOTING. SiDE SEWER SHALL l > SASS UNDER STORM LINE. plans, and in accordance with ANSI/AWWA C110/A21.10-87. Cement lining shall be in SEE DETAIL C4.2 accordance with ANSI/AWWA C104/A21.4-90. If fittings are 3 inches to 12 inches in I�..' �/diameter and have mechanical joints, the fittings shall be in accordance with either C-XiFTt/46- t46TF.A ANSi/AWWA C110/A21.10-87 or ANSI/AWWA C153/A21.53-94. 3 inch to 12 inch diameter IKatt�TAI�tED FOR LOT fittings which have mechanical joints and/or flanged joints shall be in accordance with ANSI/AWWA C110/A21.10.87 or a combination of ANSI/AWWA C110/A21.10.87 and q ANSI/AWWA C153/A21.53-94 such that the portion of the fitting with a mechanical �..� oir,t's , me be in accordance with ANSI/AWWA C153/A21.53-94 and that portion of the ►� 00p fitting with flanged joint(s) shad be in accordance with ANSI/AWWA C110/A21.10-87. '�1�lRL� 1-1 /4" WATER SERVICES Acceptance testing in accordance with section 53.53 of ANSI/ AWWA C153/A21.53-94 or W/PRV, TYP with section 10-4.3 of ANSI/AWWA C110/.A21.10-87 shall be obtained by the contractor CONTRACTOR TO COORDINATE and transmitted to the owner. WiTH THE OF RENTON (6) Gate valves shall be iron body, bronzed -mounted, double disc with bronze wedging r sin f ( A' ! rr at � �� _ �. � device and 0-r,�� stuffing box Ad�V1A C500 or of resilient seated type AV�WA C5O9 t t � 3.9 5° 9 g ) YP ( ) Valves shall be designed for a rninimum water operating pressure of 200 PSI. Gate valves ,�. shall be Clow List 14, Mueller Company NO A2380, or M & H. All valves 12" in diameter and larger, shall be installed in a vault. See water standard detail for 12" Gate Valve SOWER SERVIC P :Assembly Vault and 1" Bypass installation. l 3.�5 Fire hydrants shall be Core type (opening with the pressure) or compression type (7) y y YP ( P 9 P ) P YP �". RELOCA.'E'QV`4R POLE (opening against pressure) conforming to AWWA C-502-85 with a 6 inch mechanical COORDINATE W/ PSE DESIGN joint inlet and a main valve opening `M.V.O.) of 5-1/4 inches, two 2-1/2 inch hose CONTACT: MARK ENEBRAD nozzies with National Standard Threads 7-1/2 threods per inch and one 4 inch pumper (253) 606-7120 0 PSE nozzles with the new Seattle Patten^ 6 threads per inch, 60 degrees V. Threads, outside FIRE HYDRANT, diameter of male tread 4.875 and root diameter 4.6263. Hydrants shall have a 1-1/4" INSTALL 5 STORZ T r T; pentagon operating nut opened by turning counter clockwise (left). `the two 2-1/2" hose i 1 Pt �T �,NG nozzles shall be fitted with cast iron threaded caps with operating nut of the same SANITARY MANHOLE (S2) design and proportions as the hydrant stem nut. Caps shall be fitted with suitabe ADJUST RIM TO FINAL GRADE neoprene gasket for positive water ti hLress under test pressures. The 4" um per nozzle RIM = 205.6fr 2%' -' P g P P P �''' shall be fitted with a Stortz adapter, tt; T r i IE = 200.96 (8" N & '�1) : 4 Sea �.�e h. ead x 5 Stortz. Stortz adapter shall be forged and/or extruded 6061- 46 aluminum alloy, hardcoat anodized. Threaded end lE 201.36 (8 S) Poison shall have no lugs and 2 set screws 180 degrees apart. Stortz face to be meta!, no gasket to weother. Stortz cap to have synthetic molded rubber gasket, and shall be tc +,-Ydron o apte with ! " cneed stainless steel aircraft --able. Fire hydrants I attached . L V/ I �,i t a r Yi P � 1! 8 �.r �,J V l stainless � �J 0. aircraft iE � w. F shall "e +nstalled per City of Renton Standard Detail for fire hydrants, latest revisions. I (8) AII water main 10 inches and smaller to maintain a minimum cover of 36 inches i below finish grade. All water main 12 inches and larger shall be at a minimum of 48 inches below finish grade. Where utility conflicts occur, water mains are to be lowered to NOTES: clear. (9) AI! water mains six (6) inches in diameter and larger shall be cleaned with pipe (1) All work materials shall be in conformance with the standards and specifications of the City of Renton Utility Department and the iatest edition of the WSDOT/APWA Standards and Specifications. (2) The hours of work in the street right of v»cy shall be limited to 8:30 a.m. to 3:30 p.m. on weekdays unless otherwise approved in writing by the Planning/Building/Public Works Department at 235-2 620. All street closures, partial or full, shall be approved by the Planning/Building/Public Works Department 72 hours in advance. The Police Department, Fire Department, and 911 shall be notified 24 hours in advance of any work in the right of way. (3) All construction shall be in accordance with "Standard Specifications for Municipal Public Works Construction" prepared by Washington State Chapter American Public Works Association, latest edition (APWA) and City of Renton Standard Specifications. (4) All locations of existing utiiities shown are approximate and it shall be the contractor's responsibility to verify the true and correct location so as to avoid damage or disturbance. (5) A preconstruction conference and a 24 hour notice shall be required prior to starting new construction. It shall be the contractor's responsibility to secure all necessary permits prior to starting construction. (Inspection will be accomplished by a representative n f 1 of the City of Renton.) It shall be ,he contractors responsibility to notify the utility Department 24 hours in advance of backfilling all construction. (6) Contractor is solely responsible for tie means, methods and sequences of construction and for the safety of workers and others on the construction s'te. (7) It shall be the responsibility of the contractor to obtain street use and any other related permits prior to any construction. (8) Plans approved by the City of Renton, Public Works Department, shall take precedence over all other plans. (9) A copy of these approved plans must be on the job site whenever construction is in progress. (10) The contractor shall provide the City of Renton with an as -built drawing of the sanitary sewer system which has been stamped and signed by a licensed professional engineer or licensed professional surveyor. (11) Backfill shall be placed equally on both sides of the pipe in layers with a loose average depth of 6 inches, maximum depth of 8 inches, thoroughly tamping each layer to 95 percent of maximum density. These compacted layers must extend for one pipe diameter on each side of the pipe or to the side of the trench. Materials to complete the fill over pipe shall be the some as described. (12) Open cut road crossings for utility trenches on existing traveled roadway shall be backfilled with crushed rock and mechanically compacted. Cuts into the existing asphalt shall be neatline cut with saw in a continuous line. A temporary mix patch must be placed immediately after backfill and compaction. A permanent hot mix patch shall be placed within 10 days and shall be per City of Renton current standards. (13) Datum shall be City of Renton, U.S.C. and G.S. (14) All disturbed areas shall be seeded and mulched or otherwise stabilized to the satisfaction of the Department for the prevention of on -site erosion after the completion of construction. (15) All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with Section 7-02.3(1) of the current State of Washington Standard Specifications 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. Pipe bedding shall be pea gravel 6" above and below the pipe. (16) Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gcsketed ASTM D 3034, SDR 35, or ductile iron class 50. (17) in unimproved areas, manhole to extend minimum 6 inch and maximum 18 inch above finished grade. In paved area, cover must slope in all directions to match paving. 0 1.5% MIN - SANITARY SEWER cleaning "PIGS" prior to disinfection. The "Poly Pigs" shall be Girard Industries Aqua Swab -AS or approved equal, 2 Ib/cu ft. density foam with 90A durometer urethane rubber costing on the rear of "PiG" only. "PIGS" shall be cylinder shaped with bullet nose or square end. The City will assist the contractor who will perform the cleaning operation. a) All water mains and services shall be pressure tested to a minimum of 200 PSI or 150 PS1 over operating pressure, in cccordor;ce with the specificotons of the City of Rertor and the Washington State Health Department. All pressure testing shall be done in the presence of a representative of the City of Renton. The quantity of water lost from the main shall not exceed the number of gallons per hour as listed in City of Renton Standard Plans & Specifications 7- 11.3(1 1). The loss in pressure shall not exceed 5 psi during the 2 hour test period. b) ,All water mains and services shall be disinfected by the injection of a 50 ppm (minimum concentration) chlorine/water solution. Dry Calcium Hypochlorite shall NOT be placed in the pipe as laid. Chlorine shall be metered/injected in accordance with Section 7-11.3(12)E or 7-11.3(12)F of the Standard Specifications referenced in 1 above. (10) A preconstruction conference is required prior to any construction. A minimum of 3 (three) working days notice is required for scheduling. Prior to scheduling the precon a permit information sheet must be supplied to the Utility Engineer's Office. Twenty-four hour notice will be required prior to starting new construction. (11) It shall be the contractor's responsibility to secure all necessary permits prior to Starting construction. 1 r r � r r. r services, r .1 (:2) sta Ia�icn of corporate a,e slaps, wager se vices, Ines and metes shall not �.e done until all service agreements, meter cpplicatiors, construction permits, and payment of fees have been made to the City of Renton. (13) All connection to existing mains to be accomplished by the City of Renton, except wet taps which may be made by approved wet top contractors with prior approval from the Department of Public Works. L,II necessary excavation and materials to be supplied by the contractor and be on -site prior to City notifications. (1.4) Inspection will be accomplished by a representative of the City of Renton. it shall be the contractor's responsibility to notify Development Services 24 hours in advance of backfilling all construction. The contractor as well as the Engineers shall keep cs-built drawings. (15) Contractor to provide plugs and temporary blow -off assemblies for testing and purity acceptance prior to final tie-in. (16) All joint restraint systems (shackle rods, nuts, bolts, etc.) shall be as manufactured by the Star Manufacturing Company of Columbus Ohio or equal approved in writing by the Department of Public Works. (17) Asphalt and concrete street paving shall be sowcut to a minimum depth of two inches. Gil mat streets may be spade cut. All surface concrete, pavement, sidewalks, curb, gutters, and driveway approaches shall be sawcut to a minimum depth of two inches or removed to an existing expansion joint." (18) .A temporary cold mix asphalt patch shall be placed on the day of initial excavation with o permanent, sealed patch to be placed, to City of Renton policy, within ten days. Call for subgrade inspection prior to placement of final patch. (19) For City projects such as telemetry conduit, the PVC pipe used shall be schedule 40 in unimproved areas and schedule 80 under improved areas. All chemical process lines shall be schedule 80 PVC pipe. SURFACE WATER DRAINAGE NOTES: (1) BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING MUST BE HELD WiTH THE CITY OF RENTON PLAN REVIEWER. `_ . (2) All construction shall be in accordance with the "1994 Standard Specifications for Road, Bridge and Municipal Construction" prepared by W.S.D.O.T., and the American Public Works Association (AP'v%'A), as amended by the City of Renton Department of Public Works. (3) The surface water drainage system shall be constructed according to the approved plans which are on file in the Department of Public Works. Any deviation from the approved plans will require written approval from the City of Renton Department of Public Works or Surface Water Utility. (4) A copy of these approved plans must be on the job site whe lever construction is in progress. (5) Datum shall be NAVD 88. unless otherwise approved by City of Renton Department of Public Works. Reference benchmark and elevation are noted on the plans. (6) All sedimentation/erosion facilities must be in operation prior to clearing and building construction, and they must be sotisfcctorily maintained until construction is completed and the potential for on -site erosion has passed. (7) All retention/detention facilities must be installed and in operation prior to or in conjunction with all construction activity unless otherwise approved by the Department of Public Works, Surface Water Utility. (8) Gress seed may be applied by hydroseeding. The grass seed mixture, other than City of Renton approved standard mixes, shall be submitted by a Landscape Architect and approved by the Department of Public Works, Surface Water Utility. (9) All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with Section 7-02.3(1) of 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. All trench backfill shall be compacted to minimum 95% for pavement and structural fill and 90% otherwise per ASTM D-1557-70. Pea gravel bedding shall be 6" over and under P.V.G. pipe. (10) Galvanized steel pipe and aluminized steel pipe for all drainage facilities shall have asphalt treatment #1 or better inside and outside. (11) Structures shall not be permitted within 10 feet of the spring line of any storm drainage pipe, or 15 feet from the top of any channel bank. (12) All catch basin grates shall be depressed 0.10 feet below pavement level. (13) Open cut road crossings through existing public right of way will not be allowed unless specifically approved by tl`~.e City of Renton Administrator, Department of Planning/Building/Public Works. (14) Rock for erosion protection of roadside ditches, where required, shall be of sound quarry rock placed to a depth of 1 foot and must meet the following specifications: 4"-8"/410,,%-70% passing; 2"-4" rock/30%-40% passing; oral -2" rock/10%-20% passing. (15) All building downspouts and footing drains shall be connected to the storm drainage system, unless approved by the Department of Development Services, Plan Reviewer or Surface Water Utility. An accurately dimensiored Certified cs-built drawing of this drainage system will be submitted to the City of Renton upon completion. (16) lssuance of the Building or Construction Permit by the City of Renton does not relieve the owner of the continuing legal obligation and/or liability connected with storm surface v��ater disposition. Further, the City cf Renton d: es not cLcept any obligation for the proper fu^ctioning Ord maintenance of the system provided during construction. (17) The Contractor shall be responsible for providing adequate safeguard, safety devices, protective equipment, flaggers, and any other needed actions to protect the lift, health, and safety of the public, and to protect property in connection with the performance of work covered by the contract. Any work within the traveled right of way that may interrupt normal traffic flow shall require an approved traffic control plan by the Traffic Engineering Division of the Department of Public Works. All sections of the W.S.D.O.T. Standard Specifications 1-07-23, Traffic Control, shall apply. (18) Special drainage measures will be required if the project location is within the aquifer protection area (AP.A). Alk 4Y_ 476'0 0 SANTTARYISE "ER SCHEDULE: S1 - TOP ELEV = -197.37` : q • N. i. E. = 791. 97' (0" PIP`) j W. I. E. = 191. 97' 1'6" PI S i. E. = 192. 7 7' �8" PIPE3 S2 - TOP ELEV = 205.66'_ 4 . N. I. E. = 200. 96' (8" PIPE) W. i. E. = 200. 96' E. (8" PIPE S. I. = 201.36' �8" PIPE P ELEV S 3 TO t E = 2 40. 20 E. I. E. = 236.90' (8" PIPE FLOW THROUGH W i.E. = 236.90' 8" PiPE) FLOW TROUGH S. I. E. = 2,37, 0©,, 6" PIPE Ir __7 f 'J 4 ir A&D 1, r CHECKED FOR COVIP! IANCE TO CITY STANDARDS DATE�7/!) _ DATE DATE