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I. Piping shall have sufficient number of flanges or unions for • <br /> convenient installation and removal of piping and equipment. <br /> J. Remake or replace defective, leaking, or otherwise unsatisfactory <br /> joints or material. Peening, caulking, or doping of piping is not <br /> permitted. <br /> K. Install piping to prevent stresses and strains to piping and hangers <br /> from expansion or contraction. Provision for proper loops, offsets, <br /> or expansion joints shall be responsibility of Contractor. Make�: <br /> provision for servicing and removal of equipment without � <br /> dismantling piping. ' <br /> 3.2 Not used. I <br /> � <br /> 3.3 NON-RATED PARTITIONS: � <br /> , <br /> A. Piping shall pass through the walls insulated or noninsulated as <br /> specified. Wall should be finished to fit neatly around the piping. <br /> Firestopping is not required at non-rated partitions. ; <br /> 3.4 PIPE SLEEVES ; <br /> � • <br /> A. Pipe sleeves shall be Schedule 40 or 18 gage steel. Sleeves sliall <br /> extend 1-1/2" in excess of partition depth on each side. I <br /> � <br /> 1. Piping requiring sleeves: ; <br /> Sprinkler(Fire Protection). � <br /> Heating hot water � <br /> Domestic hot and cold water , <br /> Copper pipes thru masonry walls � <br /> j <br /> B. Provide chromium-plated escutcheon plates for exposed , <br /> uninsulated pipes projecting through floors or walls in finished <br /> spaces. Mechanical rooms and janitor closets are not considered <br /> "fuushed" spaces. ; <br /> 3.5 VALVE ACCESS � <br /> A. Locate all shutoff and control valves for easy access and opeiation. <br /> Where valves must necessarily be located in enclosed spaces, they <br /> sha11 be provided with access panels of sufficient size for ; <br /> operation. Furnish these access panels to proper trades for � <br /> installation. � <br /> : • <br /> � <br /> ICT 99184 � <br /> 15060 - 6 <br />