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Home My WebLink AboutWTR2703471.5Water Utility Notes and Specifications THESE NOTES SHALL APPEAR ON PROJECTS FOR THE WATER UTILITY. O 1. All work material shall be in conformance with the standards and specifications of LO the City of Renton Planning/Building/Public Works Department and the latest edition N r-_ of the WSDOT/APWA Standards and Specifications, as approved and modified by the O City of Renton in the Renton Standard Plans & Specifications. A set of approved I- plans shall be kept on site at all times during construction. 2. The hours of work in the street right of way shall be limited to 8:30 AM to 3:30 PM on weekdays unless otherwise approved in writing by the Public Works Department at (425) 430-7301. The Police Department, Fire Department, and 911 shall be notified 24 hours in advance of any work in the right of way. 3. All locations of existing utilities shown are approximate and it shall be the Cn contractor's responsibility to verify the true and correct location so as to avoid L J damage or disturbance. For utility locates call 48-hour locators 800-424-5555. X 4. An approved Traffic Control Plan is required to be submitted at the W Pre -Construction meeting. z �1 w5. All watermain pipe is to be cement lined ductile iron pipe conforming to AWWA o Q C110 and C111 or latest revision, thickness Class 52. Cement mortar lining and seal coating shall conform to AWWA C104 or latest revision. Pipe joints to be push -on a or mechanical joint. Bedding to be Class C. All ductile iron pipe and fittings shall Z be polyethylene wrapped per ANSI/AWWA C105/A21.5-93 Standards. 0 I- 6. Cast iron and ductile iron fittings shall be cement lined, pressure rated as noted Z on plans, and in accordance with ANSi/AWWA C110/A21.10-87. Cement lining shall W be in accordance with ANSI/AWWA C104/421 /4-90. If fittings are 3 to 12 inches in (� diameter and have mechanical joints, the fittings shall in accordance with either ANSI/AWWA C110-A21.10-87 or ANSI/AWWA C153/A21.53-94. Three (3) inch to 12 inch diameter 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 ANSI/AWWA C153/A21.53-94 such that the portion of the fitting with a mechanical joint(s) may be with ANSI/AWWA C153/A21.53-94 and that portion of the fitting with flanged joint(s) shall be in accordance with AWWA C11O/A21.10-87. Acceptance testing in accordance with section 53.53 of ANSI/AWWA section 10-4.3 of ANSI/AWWA C110/A21.10-87 shall be obtained by the contractor and transmitted to the owner. 7. Gate valves shall be iron body, bronzed -mounted, double disc with bronze wedging device and 0-ring stuffing box (AWWA C500) or of resilient seated type (AWWA C509). Valves shall be designed for a minimum water operating pressure of 200 psi. Gate valves shall be Clow List 14, Mueller Company NO. A2380 or M & H. 8. Fire hydrants shall be Corey type (opening with the pressure) or compression type (opening against pressure) conforming to AWWA C-502-85 with a 6 inch mechanical joint inlet and a main valve opening (M.V.O.) of 5-1/4 inch, two 2-1/2 inch hose nozzles with National Standard Threads 7-1/2 threads per inch and one 4 inch pumper nozzle with the new Seattle Pattern 6 threads per inch, 60 degrees V. Threads: outside diameter of male thread 4.875 and root diameter 4.6263. Hydrants shall have a 1-1/4 inch pentagon operating nut opened by turning counter clockwise (left). 9. The two 2-1/2 inch hose nozzles shall be fitted with cast iron threaded caps with operating nut of the same design and proportions as the hydrant stem nut. Caps shall be fitted with suitable neoprene gaskets for positive water tightness under test pressures. 10. The 4 inch pumper nozzle shall be fitted with a Storz adapter, 4 inch Seattle Thread x 5 inch Storz. Storz adapter shall be forged and/or extruded 6061-T6 aluminum alloy, hardcoat anodized. Threaded end portion shall have no lugs and two set screws 180 degrees apart. Storz face to be metal, no gasket to weather. Storz cap to have synthetic molded rubber gasket, and shall be attached to hydrant adapter with 1 /8 inch, coated, stainless steel, aircraft cable. 11. Fire hydrants shall be painted with two coats of paint. Preservative point number 43-655 safety yellow or approved equal. 12. Pumper connection to face roadway assembly. 13. Fire hydrants shall be installed per City of Renton Standard Detail for fire hydrants, latest revision. 14. All watermains 10 inches and smaller to maintain a minimum cover of 36 inches below finish grade. All watermain 12 inches and larger shall be at a minimum of 48 inches below finish grade. Where utility conflicts occur, watermains are to be lowered to clear. 15. All watermains 6 inches and larger in diameter shall be cleaned with pipe cleaning "PIGS" prior to disinfection. The "Poly pigs" shall be Girard Industries Aqua Swab -AS or approved equal, 2 lb/cu. ft. density foam with 90A durometer urethane rubber coating on the rear of "PiG" only. 16. "PIGS shall be cylinder shaped with bullet nose or square end. The contractor will perform the cleaning operation. 17. All watermains and services shall be pressure tested to a minimum of 200 psi or 150 psi over operating pressure, in accordance with the specifications of the City of Renton 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(11). The loss in pressure t� shall not exceed 5 psi during the 2 hour test period. j 18. All watermains and services shall be disinfected by the injection of a 50 ppm Z (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 above. 19. A pre -construction conference is required prior to any construction. A minimum of five (5) working days notice is required for scheduling. i 20. Twenty-four (24) hours notice will be required prior to starting new construction. 21. It shall be the contractor's responsibility to secure all necessary permits prior to 8 starting construction. N 22. Installation of corporate stops, water services, lines and meters shall not be done until all service agreements, meter applications, construction permits, and payment of fees have been made to the City of Renton. 23. All connection to existing mains is to be accomplished by the City of Renton, € except wet taps, which may be made by approved wet tap contractors with prior approval from the Public Works Department. All necessary excavation and materials 12 are to be supplied by the contractor and be on -site prior to City notifications. w 23. All connection to existing mains is to be accomplished by the City of Renton, except wet taps, which may be made by approved wet tap contractors with prior approval from the Public Works Department. All necessary excavation and materials are to be supplied by the contractor and be on -site prior to City notifications. 24. Inspection will be accomplished by a representative of the City of Renton. It shall be the contractor's responsibility to notify Development Services twenty four (24) hours in advance of backfilling all construction. The contractor, as well as the engineers, shall keep as -built drawings. 25. Contractor to provide plugs and temporary blow -off assemblies for testing and purity acceptance prior to final tie-in. 26. 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 Public Works Department. 27. Asphalt and concrete street paving shall be sawcut to a minimum depth of two (2) inches. Oil 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 (2) inches or removed to an existing expansion joint. 28. A temporary cold mix asphalt patch shall be placed on the day of initial excavation with a permanent, sealed patch to be placed, to City of Renton policy, within 10 days. Call for subgrade inspection prior to placement of final patch. 29. For City projects such as telemetry conduit, the PVC pipe used shall be All chemical process lines shall be schedule 80 PVC pipe. Schedule 40 in unimproved areas and schedule 80 PVC pipe under improved areas. RECOMMENDED CONSTRUCTION SEQUENCE 1. Pre -construction meeting. 2. Flag or fence clearing limits. 3. Post sign with name and phone number of ESC supervisor. 4. Install catch basin protection if required. 5. Grade and install construction entrance(s). 6. Install perimeter protection (silt fence, brush barrier, etc.). 7. Construct sediment ponds and traps. 8. Grade and stabilize construction roads. 9. Construct surface water controls (interceptor dikes, pipe slope drains, etc.) simultaneously with clearing and grading for project development. 10. Maintain erosion control measures in accordance with Snohomish County standards and manufacturer's recommendations. 11. Relocate surface water controls and erosion control measures or install new measures so that as site conditions change the erosion and sediment control is always in accordance with the Snohomish County Erosion and Sediment Control Standards. 12. Cover all areas that will be unworked for more than seven days during the dry season or two days during the wet season with straw, wood fiber mulch, compost, plastic sheeting or equivalent. 13. Stabilize all areas that reach final grade within seven days. 14. Seed or sod any areas to remain unworked for more than 30 days. 15. Upon completion of the project, all disturbed areas must be stabilized and best management practices removed if appropriate. 2' .MIN. � I ay (SETTLE DEPTH) l 9�. FLAT BOTTOM 1 1' MIN. 1.5' MIN. (STORAGE NOTE: TRAP MAY BE FORMED BY BERM OR BY PARTIAL OR COMPLETE EXCAVATION SE I ENT TRAP CROSS SECTION NTS 2"-4" ROCK, �1' DEPTH OF 3/4"-1/2" WASHED GRAVEL. NOTES PERFORM MAINTENANCE AFTER EACH STORM EVENT AS DEFINED IN THE DRAINGAGE PLAN, 1. SIZE THE BELOW GRATE INLET DEVICE (BGID) FOR THE STORM WATER STRUCTURE IT WILL SERVICE, 2, THE BGID SHALL HAVE A BUILT-IN HIGH-FL❑W RELIEF SYSTEM (OVERFLOW BYPASS), 3, THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BGID WITH❑UT SPILLING THE COLLECTED MATERIAL. GRATr GE❑T rnATr' FI IS❑METRIC VIEW CATCH BASIN PROTECTI❑N DETAIL NTS 1'-3/4" TO 1.5 7ROCK WASHED GRAVEL 1'-2" TO 4" DISCHARGE TO STABILIZED CONVEYANCE, OUTLET OR LEVEL SPREADER MIN MAY BE CONSTRUCTED BY VATiON OR BY BUILDING A BERM SEDIMENT TRAP OUTLET NTS No, Date 1 1 5/5/O8 FRIEVAL SYSTEM ERFLOW BYPASS TRIM GE❑TEXTILE OVERFLOW BYPASS SEDIMENT AND DEBRIS FILTER FABRIC FENCING JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS, OR EQUIVALENT TO ATTACH FABRIC TO POSTS. 2%2" BY 14 Ga. WIRE OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED FILTER FABRIC - I 6' MAX. �I I MINIMUM 4"x4" TRENCH Ll BACKFILL TRENCH WITH NATIVE SOIL OR 3/4"-1.5" POST SPACING MAY BE INCREASED WASHED GRAVEL TO 8' IF WIRE BACKING IS USED 2"x4" WOOD POSTS, STEEL FENCE NOTE: FILTER FABRIC FENCES SHALL BE POSTS, REBAR, OR EQUIVALENT INSTALLED ALONG CONTOUR WHENEVER POSSIBLE DETAIL: SILT FENCE N.T.S. EX�S�`NG R = 25' MIN:- �S 4"-8" QUARRY SPALLS GEOTEXTILE 12" MIN. THICKNESS 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 PROVIDE FULL WIDTH OF INGRESS/EGRESS AREA DETAIL: STABILIZED CONSTRUCTION ENTRANCE N.T.S. C)5 OFV P R OFFS; S� O$ , / d" ��♦ CHECKED FOR COMPLIANCE �� ; �� TO CITY STANDARDS Robert C. Elslip No. 2330 Date _sfl0�U Date 4NS SUPERSEDES ALL PREVIOUS PLAN SETS SW 1/4, SE 1/4, SEC 18, TWN 23N, RGE 5E, WX Date PROJECT: Renton Triplexes Revision By x 4 Renton, WA E3RA Inc., RESPONSE TO CITY COMMENTS CRL 9802 29th Ave. W.SHEET TITLE: Details and Notes r„` Suite B102 Everett, WA 98204; 425-356-3372 DESIGNER: CRL JOB NO: T07250 425-356-3374 fax y 10iRDAWN BY: CRL SCALE: As Shown WWW.e3ra.com = �i t+ CHECKED BY: RCE SHEET: 6 DATE: 5/5/08 FILE: phrent.dwg (Cti' W-3471c')_�r) i✓