NOTICE CALLING FOR PROPOSALS – FIRE AND INTRUSION ALARM SYSTEM SERVICES NOTICE IS HEREBY GIVEN that Twin Rivers Unified School District, Sacramento County, California, invites qualified contractors to submit proposals for fire and intrusion alarm system services. The RFP is available at https://colbisecurebids.com/o/trusd/26-044. Proposals must be submitted electronically via the District's bidding portal and received no later than June 1, 2026, at 11:00 a.m. Late proposals will not be accepted. Proposals will be opened virtually on June 1, 2026, at 11:15 a.m. No proposal will be received after 11:00 a.m. Questions must be submitted to proposals@trusd.net by May 21, 2026, at 11:00 a.m. Addenda, if any, will be posted to the portal by May 26, 2026. IPL0338478 May 11,18 2026