Humble Independent School District Ionwave #2026-08 (ALTERNATES PROPOSAL) Addendum 3

Humble ISD Additions and Renovations at Creekwood and Riverwood Middle Schools (HVAC, Security, Construction)

Humble Independent School District (Humble ISD) is seeking competitive sealed proposals for major additions and renovations at Creekwood and Riverwood Middle Schools in Kingwood, Texas. - Government Buyer: - Humble Independent School District (Humble ISD) - Original Equipment Manufacturers (OEMs) and Vendors: - Mitsubishi: Sole approved manufacturer for minisplit HVAC units - Carrier: Sole approved manufacturer for air-cooled chillers (Trane and York explicitly excluded) - Bosch Security Systems: Specified for intrusion detection systems - Additional products include JBL, Octasound, BSS, and Pac-Clad (from initial release) - Products and Services Requested: - Mitsubishi minisplit HVAC units (quantity not specified) - Carrier air-cooled chiller (quantity not specified) - Bosch Security Systems for intrusion detection - Belt drive plenum fans (direct drive not accepted) - Roof insulation fasteners (#14 screws and plates, basis of design) - Decorative window film ('Acid Etch' or frosted inboard glass) - Acoustic PET felt baffles - Display cases (per Addendum 2) - Residential appliances (owner furnished) - General construction and renovation services including roofing, mechanical, electrical, plumbing, asbestos abatement, and site work - Unique or Notable Requirements: - Strict adherence to specified OEMs for HVAC and security systems - Mechanical fastening required for roof insulation - Alternates for roof overhang and window installation removal - Bidders must be registered on the district's online bidding system and submit all required forms - Estimated contract value: $18,000,000 - Project location: Kingwood, Harris County, Texas

Description

This solicitation is a Competitive Sealed Proposal (CSP) issued by Humble Independent School District for additions and renovations at Creekwood and Riverwood Middle Schools. The project involves construction and renovation work as detailed in the project manual and drawings provided by the architect of record, Huckabee. Bidders must register on the District's online bidding system and submit proposals by July 23, 2026, 2:00 PM CT. The scope includes various construction activities, with detailed specifications and alternates outlined in the bid documents.

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