Request for Proposals CORE Construction along with Twin Rivers Unified School District requests proposals from licensed subcontractors for the following Lease-Leaseback project: Twin Rivers Unified School District Multi-site (Foothill Oaks, Oakdale & Vineland) Ph 5 HVAC Replacement Project Foothill Elementary School - 5520 Lancelot Dr., Sacramento, CA 95842 Vineland Elementary School - 6450 20th Street, Rio Linda, CA 95673 Oakdale Elementary School - 3708 Myrtle Avenue, North Highlands, CA 95660 DSA Application Numbers: Foothill Elementary School (DSA APPL #02-123637) Vineland Elementary School (DSA APPL #02-123635) Oakdale Elementary School (DSA APPL #02-123636) Scheduled bidding period 1/29/26 – 2/20/26 Across Foothill ES, Vineland ES, and Oakdale ES, the projects focus on replacing aging HVAC systems with associated equipment pad improvements, system tie-ins, and localized repairs to existing conditions. Each site includes coordination with existing fire alarm systems across multiple buildings to support the HVAC upgrades. The scope also incorporates required ADA accessibility improvements, with Vineland ES additionally including restroom upgrades and a new unisex staff restroom. Pursuant to Public Contract Code section 20111.6*, each prospective MEP Contractor holding C-4, C-7, C-10, C-16, C-20, C-34, C-36, C-38, C-42, C-43, and/or C-46 licenses must be prequalified with Twin Rivers Unified School District To become prequalified with CORE Construction, or to update your current qualifications, please fill out the online application request by visiting: https://www.coreconstruction.com/subcontractors/ then select "California". For project questions, please email brianbledsoe@coreconstruction.com For prequalification questions, please email katiekaisner@coreconstruction.com Prevailing Wage rate laws apply | 3% DVBE goal & Skilled and Trained Requirements Apply TRUSD & CORE Construction are equal opportunity employers. IPL0309229 Feb 2,9 2026