National Cancer Institute, Research Contracts Branch, PSAS, 6120 Executive Blvd, EPS/Room 638, Bethesda, MD 20892-7227

66 -- INSTRUMENTS & LABORATORY EQUIPMENT SOL RFQ-NCI-80164 DUE 080398 POC Cynthia Brown, Purchasing Agent, 301-402-4509, Todd Cole, Contracting Officer This notice is to serve as amendment #1 to the previous notice published in the Commerce Business Daily on July 8, 1998. Cite:(W-189 SN220345). Due to a system error, items 5.), 6.), 7.), and 8.) under "MANDATORY INFORMATION" were excluded from the previous synopsis. The following hereby updates The "MANDATORY INFORMATION" to include all items: In addition to any descriptive literature and information that the offeror provides to indicate that the stated requirements can be met, the following information must also be provided for use in the technical evaluation process: 1.) field homogeneity specifications (P-P) for 5 cm DSV, 10 cm DSV and 12 cm DSV; 2.) all Helium and Nitrogen boil off rates; 3.) all refill times for Helium and Nitrogen; 4.) all design specifications to evaluate capability, including but not limited to overall dimensions, superconductor type and amount, current, and approximate weight of system; 5.) corporate experience in magnet design and construction, including evidence in buildinghigh field (>3T), large clear bore (<10 cm) horizontal bore magnets; 6.) information on the experience of any subcontractors utilized or essential component parts; 7.) details on the emergency discharge unit; 8.) details on superconductor shim current access and ability to shim the main magnetic field using the aforementioned shims (include any information on the passive shimming capabilities of the system): 9.) details of any active drift compensation: 10.) details of Helium and Nitrogen filling logistics (this includes minimum ceiling height; 11.) details of rf shielding specifications and proposed layout with magnet in place; and 12.) details of the magnetic field shield specifications along with a draft drawing of the shield. Note: with this amendment, the due date for offers under solicitation RFQ-NCI-80164 is hereby changed form 2:30 p.m. EST on July 29, 1998 to 2:30 p.m. EST on August 3, 1998.**NOTE: all of the above information is to be incorporated into the previous solicitation, all other information previously synopsized remains the same. No other changes or omissions are authorized. Posted 07/17/98 (W-SN224950). (0198)

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