Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, Massachusetts 02138-1516

99 -- ANTENNA ELEVATION COUNTERWEIGHT ASSEMBLIES SOL RFP554-3-99 DUE 042799 POC Rena Cerbone, Contracting Officer, Telephone 617/495-7445, FAX 617-495-7485, or email: rcerbone@cfa.harvard.edu The Smithsonian Astrophysical Observatory (SAO) is issuing a Request for Proposal #RFP554-3-99 for the purchase of two (2) sets of Antenna Elevation Counterweight Assemblies, each set consisting of one (1) left hand and one (1) right hand counterweight; with the option of purchasing an additional two (2) sets through 31 December 2000. Each Antenna Counterweight Assembly consists of two (2) 6,090 Kg (13,400 lbs.) counterweight assemblies each consisting of two (2) mirrored pieces. Each piece consists of a complex steel weldment approximately 1.5 meters long and 1.4 meters wide with one end filled with approximately 5,000 Kg (11,000 lbs.) of lead. The steel weldment will require extensive drilling and cutting to meet precise assembly tolerances. The Contractor shall have the ability to fill/pour the cavity with lead, as shown on the drawing, while meeting all Federal, State and local laws concerning the use of lead. The Contractor shall certify to and have the capability of manufacturing the entire structure on the Contractor's premises. Inspection and acceptance will take place at Contractor's facility and delivery shall be at Contractor's loading dock. The assemblies shall be weighed prior to delivery to insure proper filling of the cavity with lead. Delivery is six (6) months ARO for the first two (2) sets, (the basic requirement) and six (6) months after notification to proceed for the second two (2) sets, (the optional sets of assemblies). SAO will arrange delivery to its site via GBL. Requests for Proposals will be evaluated on: (1) Total price for all four (4) sets and (2) Past Performance, to include Contractor's prior contracts with manufacturing similar assemblies of comparable size and material. Price shall be considered significantly more important than Past Performance. Only written, fax (fax 617-495-7485), or internet (rcerbone@cfa.harvard.edu) requests received directly from the requester are acceptable. This solicitation is 100 % set-aside for Small Business. SIC Code: 3443, Size Std. 500. Proposals must be received at SAO 60 Garden Street, Cambridge, MA 02138-1516 Attn: Rena Cerbone M/S 22 by approximately 27 April 1999. Posted 03/08/99 (I-SN306125). (0067)

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