15-Bid Tabulation - LIB133030 Magna Library Rooftop Equip Replacement.pdf

This is a bid tabulation sheet for Salt Lake County's Magna Library Rooftop Equipment Replacement project (LIB133030), dated September 23, 2026, with buyer Matt Bass overseeing the procurement. The project involves the replacement of the Magna Library's rooftop thermal units (RTUs) and photovoltaic (PV) systems. Six contractors submitted bids for the base bid and one alternate component of the project.

Zion Engineering emerged as the apparent low bidder with a total project cost of $505,651.10, consisting of a base bid of $361,339.56 and an alternate bid of $144,311.54. Commercial Mechanical Systems & Service, LLC submitted the second-lowest bid at $565,116.00 (base: $493,011.00; alternate: $72,105.00). Other bidders included BCS Mechanical ($880,600.00 total), Desert Development LLC ($678,300.00 total), Salmon Mechanical ($645,860.00 total), and Stallings Construction, Inc ($615,400.00 total). The bids represent a competitive range from approximately $505,651 to $880,600 for the complete rooftop equipment replacement work at the Salt Lake County facility located at 2001 South State Street in Salt Lake City, Utah.