SAM #DKGV1161805

Replacement of Rooftop HVAC Units, Duct Insulation, Diffuser Grilles, Ceiling Tiles, and Controls at Building 3852, Joint Base Lindsey Graham

This opportunity involves the replacement and upgrade of HVAC systems and related components at Building 3852, Joint Base Lindsey Graham, Weapons Station, Goose Creek, SC. - Government Buyer: - ARTRANS at Joint Base Lindsey Graham, Weapons Station - OEMs and Vendors: - Rheem (Commercial Series) - AAON (RM Series) - Products Requested: - 2 Rheem Commercial Series Packaged Air Conditioners (RTU-1 or approved equal) - 3-4 ton capacity, 208/230 V.A.C., 60 Hz, 3-Phase, 7.5 kW electric heater, hot gas reheat dehumidification, modern refrigerants (R-410A or R-454B/R-32) - 2 AAON RM Series Packaged Rooftop Units (RTU-2 or approved equal) - 3-4 ton capacity, 208 V.A.C., 60 Hz, 3-Phase, 7.5 kW electric heat, 1.0 HP blower/exhaust fan, modern refrigerants - 620 linear feet of supply and return ductwork insulation (minimum 2-inch thick foil-faced fiberglass, R-6.0 or R-8.0) - 31 supply and return diffuser grilles - 3,300 sq ft of 2'x2' tegular-edge acoustical ceiling tiles (Class A fire-rated, NRC 0.50, high light reflectance, sag/humidity resistant) - 2 commercial-grade programmable smart thermostats (7-day, humidity sensing, compatible with hot gas reheat) - Unique/Notable Requirements: - Integration of new HVAC units with existing Building Automation System (BAS) or provision of standalone programmable controls - All work must comply with federal, state, and local codes (International Building, Mechanical, Plumbing Codes, National Electrical and Fire Codes, ASHRAE 90.1, SMACNA, EPA Section 608, Unified Facilities Guide Specifications) - Contractor must provide all tools, labor, materials, equipment, supplies, and supervision for engineering, installation, and warranty - Use of modern refrigerants (R-410A or R-454B/R-32) required - Sheet metal saddle protectors for duct insulation - Selective demolition and replacement of diffuser grilles - Complete removal and replacement of suspended ceiling tiles - No specific part numbers provided; quantities are specified for each item.

Description

Work performed consists of the replacement of two (2) failing rooftop packaged air conditioning units (RTU-1 and RTU-2) with modern, high-efficiency, "like-in-kind" units at Building 3852. Additionally, this project requires the comprehensive removal and replacement of all building supply and return ductwork insulation to restore thermal efficiency and indoor air quality, the integration of new units with the existing Building Automation System (BAS) or the provision of standalone programmable controls, and the complete removal and replacement of all suspended acoustical ceiling tiles (2'x2' tegular profile). Contractor shall provide all tools, qualified labor, materials, equipment, supplies, and supervision necessary to engineer, install, and warranty this system in accordance with the following Statement of Work. All work shall be accomplished in accordance with all Federal, State, Local Regulations and guidelines, but not limited to the following: 1.International Building Code 2.International Mechanical Code 3.International Plumbing Code 4.National Electrical Code (NFPA 70) 5.National Fire Code (NFPA 1) 6.Base Architectural Compatibility Guide 7.Unified Federal Criteria (UFC) 8.Unified Facilities Guide Specifications (UFGS) 9.NFPA 90A & 90B: Standard for the Installation of Air-Conditioning and Ventilating Systems 10.ASHRAE 90.1: Energy Standard for Buildings Except Low-Rise Residential Buildings 11.SMACNA: HVAC Duct Construction Standards - Metal and Flexible 12.EPA Section 608: Clean Air Act for Refrigerant Management and Recovery

The Government intends to award a single Firm-Fixed-Price (FFP) contract IAW the procedures at RFO 12.201-1 and RFO Part 36 respectively. A mandatory site visit will be held within an estimated three calendar days from the issuance of the solicitation. A draft Statement of Work (SOW) is attached for review. The anticipated date of award is no later than 30 September 2026. Please be advised this is not a request for quote.

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