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GENERAL MECHANICAL MATERIALS AND METHODS <br />Section 15050 <br />15-1207 <br />PART 2 - PRODUCTS <br />2.01 VALVE BOXES: <br />A. Provide at each valve or cock in ground a Christy, Brooks, or equal valve box with cover <br />marked for service. <br />B. Valve boxes in traffic areas: Provide Christy No. G5 traffic valve box, 10-3/8" inside <br />diameter with extensions to suit conditions, with cast iron locking cover. <br />C. Valve Boxes in non -traffic areas: Provide Christy No F22, 8" inside diameter by 30" long <br />with cast iron locking cover. Cut bottom of plastic body for operation of valve as required. <br />D. Extension Handles <br />1. Handle to be Alhambra Foundry Co., or equal, model A-3008 extension handle. <br />2. Furnish 2 extension handles per project for underground valves. <br />2.02 ACCESS DOORS: <br />A. Where floors, walls, or ceilings must be penetrated for access to mechanical equipment, <br />provide access doors, 14 -inch by 14 -inch minimum size in usable opening. Where entrance <br />of a serviceman may be required, provide 18 -inch by 24 -inch minimum usable opening. <br />1. All access doors less than 7'-0" above finished floors and exposed to public access <br />shall have keyed locks. <br />B. Access doors shall match those supplied in Division 8 in all respects, except as noted <br />herein. <br />C. Where panels are located on ducts or plenums, provide neoprene gaskets to prevent air <br />leakage, and use frames to set door out to flush with insulation. <br />D. Provide insulated doors where located in internally insulated ducts or casings. <br />E. Where specific information or details relating to access panels different from the above is <br />shown or given on the Drawings or other Divisions of work, then that information shall <br />supersede this specification. <br />F. Do not locate access doors in highly visible public areas such as lobbies, waiting areas, and <br />primary entrance areas. Coordinate with the architect when access is required within these <br />areas. <br />G. Available Manufacturers: <br />1. <br />Milcor <br />2. <br />Karp <br />3. <br />Nystrom <br />4. <br />Cesco <br />H. Access doors to be equivalent to the following Milcor access doors: <br />1. Style K (plaster) <br />2. Style A (A/C tile, gypsum board) <br />3. Style M (Masonry) <br />K <br />