Nevada Ionwave #5587-GS Addendum 1

UNLV Marley Cooling Tower Repairs and Two-Tower Replacement Alternate

UNLV is seeking bids to repair the Greenspun College of Urban Affairs’ existing Marley cooling towers, with an alternate to replace them with two new towers. - Government buyer: Nevada System of Higher Education, on behalf of the University of Nevada, Las Vegas (UNLV), Purchasing Department; Las Vegas, Nevada. - OEM: Marley. The existing equipment is identified as Marley NC8302/NC8302BG cooling towers; the replacement alternate is Marley model NC8403MAN2. - Requested work: Repair the existing cooling towers and associated components. The parts schedule generally lists quantities of two; it specifies 12 stainless-steel fill support tubes, or six per cell. - Fill and fill supports: stainless-steel fill (B81108), support tubes (849919), and fill tube supports and deflectors (2424916). - Tower and fan components: stainless-steel casing panels; 84-inch stainless-steel fan cylinders (S300) and galvanized fan guards; fan assemblies (2097522). - Drive components and supplies: geareducer assemblies (C68398), mounting hardware and shims (C24687), ISO 220 synthetic oil (A81856), MC07 couplings (E48600), 10 HP motors (E14651), and motor hold-down kits (B95447). - Additional components: spiral target crossflow nozzles (D44540; quantity 2 in the parts schedule), stainless-steel motor and geareducer supports, and stainless-steel tower structural components. - Replacement alternate: Provide and install two Marley NC8403MAN2 cooling towers, with outlet connections matching the existing towers. - Notable requirements: The stated weight is 23,400 pounds per existing tower and 30,910 pounds per proposed replacement tower, each without options. Bidders should verify the existing supports and structure can accommodate the replacement equipment. At least one site walk is required to qualify; public-works bidders must also meet Nevada State Public Works Division qualification requirements for the applicable cost category. - Estimated project value: Approximately $300,000. No period of performance is stated.

Description

The University of Nevada, Las Vegas is seeking bids for repairs to the Greenspun College of Urban Affairs cooling towers. The addendum revises the pricing response form and scope of work, and includes an alternate for two new cooling towers, tower drawings, parts information, and other project attachments. Bidders must attend at least one site walk for their bids to be considered; the second site walk is optional. The source estimates the project at approximately $300,000 and states that public-works bidders must be qualified with the State Public Works Division for the required cost category.

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