Westmoreland County Civicplus #26-38

Westmoreland County Courthouse and Annex HVAC BAS Upgrade

Westmoreland County is seeking an HVAC building automation system upgrade for its Courthouse and Annex in Greensburg, Pennsylvania. - Government buyer: Westmoreland County; Brian Ruff, Facility Director, Office of the County Controller. SitelogIQ Construction Management is identified as the project manager. - OEMs and equipment brands: Johnson Controls (Facility Explorer/FX-series controllers), Tridium (Niagara platform), Siemens (existing controls being replaced), Delta (factory-installed AHU controllers being integrated), and York (existing chillers). No substitutions are allowed for the specified controllers and supervisory equipment. - Requested equipment and scope: New DDC controllers, control panels, power supplies, sensors, wiring, and related controls for boilers, heat exchangers, AHUs, RTUs, York chillers, and chilled-water pumps. The described quantities include 3 boiler controllers, 2 Annex chiller control packages, 2 RTU control packages, 2 chilled-water pump control packages, and equipment for the other listed systems; part numbers are not provided. - Provide and install 2 VFDs for the Courthouse chilled-water pumps and 1 VFD for RTU 3. - Integrate 2 factory-installed Delta controllers on AHUs S1 and S2 using BACnet/IP. - Integration and delivery requirements: Integrate the new controls with the existing Tridium Niagara N4 front end, without a separate proprietary front end or service platform. Scope includes programming, graphics, network configuration, point mapping, testing, commissioning, and as-built and closeout documentation. - Notable operating requirements: Preserve existing boiler safety protocols and York chiller factory controls, including compressor staging and internal safeties. Provide a construction phasing plan and coordinate work to maintain facility access. Equipment carries a one-year post-installation warranty. - Performance period: Construction is expected to take approximately three months, followed by a one-year warranty period.

Description

Westmoreland County is soliciting a sealed bid for upgrades to the HVAC building automation system at the County Courthouse and Annex. The work includes replacing selected existing Siemens controls components and integrating the upgraded controls for specified mechanical equipment with the existing Johnson Controls Niagara-based front end. Scope includes new controllers, control panels, sensors, wiring, programming, graphics, testing, commissioning, and as-built documentation; the project manual specifies a lump-sum contract and no substitutions. Attendance at the pre-bid meeting is mandatory for bidders.

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