Download Cedarvale - Struct-Con Construction Ltd.
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Cedarvale CS Phase 2 145 Ava Road, Toronto, ON 2. 3. 4. 5. 6. 7. 10258.003.M001 Valve shall be single-seated, hydraulically operated, pilot controlled diaphragm type globe valve. Valve stem shall be top and bottom guided and shall be actuated by a resilient diaphragm. Valve body and cover shall be cast iron, flanged. Trim shall be bronze type. Valve seat shall be replaceable. There shall be no external packing glands. Pilot control shall be a direct acting, adjustable, spring-loaded valve with bronze body and stainless steel trim. Main valve, pilot control valve and all trim shall be factory-assembled into one unit. Valve shall be Class 125 for low pressure systems less than 1380 kPa working pressure and Class 250 for high pressure systems greater than 1380 kPa (200 psi) working pressure. Pressure reducing valves 50 mm (2 in.) and smaller shall be Cash Acme or Watts equal to Watts UB5 bronze body, screwed. Rating of valve shall be 2070 kPa (300 psi) at 71 deg. C. (160 deg. F.). See drawing for capacities and operating pressures. 5.16. Combination pressure reducing and check valve shall be Cla-Val 790-01-D and shall be as specified for the pressure reducing valve, but with an integral check valve. 5.17. Backwater valves shall be by J.R. Smith, Zurn, Mifab, or Watts. Valves shall be complete with cast iron body and bolted cover, bell inlet, spigot outlet, bronze double fulcrum top hung revolving flap and bronze valve seat. 1. 2. Unit up to 300 mm (12 in.) below grade, shall be complete with access cover at grade and extension sleeve between cover and valve casing. Unit more than 300 mm (12 in.) below grade, shall be complete with minimum 600 mm (24 in.) dia. galvanized steel, concrete or vitrified clay tile access pit with 600 mm (12 in.) dia. heavy duty scoriated manhole cover and frame. 5.18. Water hammer arresters shall be stainless steel bellows type and shall bear the Plumbing and Drainage Institute seal of approval. JR Smith 5000 Series, Zurn Z-1700, Mifab WHB, Watts SS Series. Piston type shall not be acceptable. 5.19. Gate valves in sanitary drains shall be equal to Seguro rubber sealed, cast iron, Class 150, ASA B16.10, with ASA B16.1 flanged ends, with OS&Y rising stem operation. 5.20. Exterior site sewers shall be PVC non-pressure, SDR 28, asbestos cement, or concrete of class and type to suit depth of trench and bedding. PVC non-pressure sewer piping shall be Ipex or Canron for sizes 100 mm (4 in.) to 150 mm (6 in.) conforming to CSA B182.1 ASTM D 3034. For sizes 200 mm (8 in.) to 375 mm (15 in.) shall be Canron conforming to CSA B182.2 and ASTM D3034. For size 450 mm (18 in.) to 1200 mm (48 in.) shall be Ipex or Canron conforming to CSA B182.4 and ASTM F794. Sewers shall be laid in accordance with manufacturers instructions and in accordance with Sub-section 3.5 of Regulation 815/84 the O.W.R.A. (Ontario Plumbing Code). 5.21. Exterior site PVC pressure piping shall be Ipex or Canron Blue-Brute conforming to AWWA-C900 and CSA B 137.3 standards laid in accordance with the manufacturers instructions and in accordance with Sub-section 3.5 of Regulation 815/84 of the O.W.R.A. (Ontario Plumbing Code). 5.22. Storm drainage piping from manhole outside building to creek, drainage course, may be corrugated galvanized steel using Armco standard round corrugated steel culvert. 5.23. Thermostatic mixing valves Page 12