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^ °Snrl'® ‘Compressed Springs shall have <br />f ®quai to 50% Of ® 1 be DNHS. <br />turer shall furnish <br />? forms <br />Ivlrt f P'^’PS <br />eo[J suctionpr?hr;frai K ^ ®® manufac- bases shall <br />aimension of the <br />* hai*-?^^u*^® ®ioimum5 _ bars or <br />te*’"rcca??|Jsf <br />'y ‘'^ason Industries, <br />base designed for <br />Base shall form <br />• Provide vith <br />s^s Shall be Mason <br />^ Shall be made <br />at flexible cor; <br />PO* >d. <br />ingle on all rec- <br /><cn ail round <br />Ping screws located <br />ta.p,, in a 4" <br />iS:‘ <br />C. <br />F. <br />borne noise into the building structure. Mounting systems <br />exposed to high temperature., oil, rust or other adverse en*> <br />vironments shall be suitably resistant to deterioration. <br />For motor driven mechanical equipment provide spring isola­ <br />tors, which are adjustable, free-standing, laterally stable <br />without housing and with neoprene acoustic friction pads <br />at least 1/4" thick between baseplate and supports. Provide <br />base and compresion plates with mounting holes or threaded <br />fittings. Adjustment leveling bolts shall be rigidly bolted <br />to machinery or base. <br />Provide suspension type spring isolation hangers for piping <br />and suspended equipment in the mechanical equipment room <br />and suspended mechanical equipment. <br />Provide straight or elbow flexible connectors as indicated <br />or required and rated tor temperature, pressures and types <br />of fluids to be conveyed. Flexible connectors shall be <br />designed for 2-1/2 times operating pressure at highest system <br />operating temperature. Elbow flexible connectors shall <br />be manufactured vith a permanently set angle, provide flex­ <br />ible connectors fabricated of Grade C phosphor bronze, monel <br />or stainless steel corrugated tube covered vith comparable <br />bronze or stainless steel braid restraining and presure cover. <br />Provide flexible duct connectors fabricated in accordance <br />with SMACNA. Flexible materials shall be rated for the tem­ <br />peratures, pressures, gases conveyed and atmospheric conditions. <br />Provide factory or shop fabricate pipe guides as required <br />or indicated. <br />The machinery installed on the roof or upper floors shall <br />be mounted on isolators with vertical stops. Attach each <br />end of the pipe anchor to an omnidirectional pipe isolator <br />which in turn shall be rigidly fastened to steel framing, <br />structural concrete. <br />ENP OF SECTION <br />■ <br />on the draw- <br />ibration isoia- <br />oratxon isolators <br />->n structure <br />1 <br />15210-4