National Institute of Standards and Technology, Acquisition and Assistance Division, Building 301, Room Bll7, Gaithersburg, MD 20899

56 -- MANUFACTURED CEILING SYSTEM POC POC: Paul Cataldo (301) 975-6332/C.O.: Pauline Mallgrave (301) 975-6330 The National Institute of Standards and Technology, Gaithersburg, MD is seeking sources for its proposed 42,236 gross square meter Advanced Technology Laboratory who can provide a manufactured ceiling system consisting of steel faced panels constructed of a minimum of two each 1 mm minimum electrozinc steel panels enclosing extruded polystyrene, rockwool, or other suitable inert insulation material for a total thickness of approximately 85mm enclosed at the edges by a cold formed steel frame-- Panels shall be part of a system which includes integral connectors for interlocking adjacent panels at their joints, adjustable suspension devices which provide a support means to the panels as well as provide a means for their attachment to the structure, and the necessary trim pieces providing an aesthetically pleasing and flat, flush and homogeneous ceiling surface conducive to cleaning and the maintaining of a clean laboratory environment- -Additionally, the panel system shall have the capability to support loads resulting from maintenance and repair personnel walking on the panels on their upper surfaces--Panel system shall be capable of supporting a concentrated load of 125 daN at any 300mm x 300mm spot on the face of a panel, and must be capable of supporting a maximum uniformly distributed load of approximately 1500 N/m2--Panel sizes are 900mm and 1200mm in width and 1800mm in length and shall be manufactured to metric dimensions--Panels shall be engineered with a minimum safety factor of 3 based on ultimate strength under static loading conditions and shall not deflect more than 1/720 of the span in either the vertical or horizontal plane when maximum loading conditions are applied--The Panels shall be non- shedding and non-outgassing and shall be non-progressive in their installation and removal--Panels shall have an STC rating of approximately 45, and shall be coated with a minimum 45 micron epoxy coating. System shall include all integrated fittings, penetrations, and all required gaskets, trim pieces, sealants and accessories necessary for a complete and functioning installation--Interested sources should submit all information necessary for the Government to fully evaluate the proposed product and should include but not necessarily be limited to any and all catalog cut sheets, product brochures, drawings, calculations, and technical data which is necessary to demonstrate the proposed product fully meets the performance and functional criteria stated above--Contact Paul Cataldo, National Institute of Standards and Technology, Acquisition and Assistance Division, Building 301, Room B117, Gaithersburg, MD 20899-0001 within 30 days of this publication.(0199)

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