Designer for Central Plant Modernization

Close: Jan 28, 2026

DESIGN-BUILD - acquisition for modernization and expansion of central utility plant. Design of the steam plant. The design shall encompass all necessary building systems, including structural, HVAC, plumbing, fire/life safety, controls, and related components required to support the steam plant modernization. This scope also includes, as an enhancement, the replacement of underground diesel fuel tanks and associated piping. Such replacement may be executed as either aboveground or underground and shall be integrated with the overall project design.

Close: Feb 9, 2026

Work includes the replacement of the existing base-mounted primary and standby glycol hot water pumps and piping specialties with new base-mounted pumps with VFD's and piping specialties. Conversion of the existing open hot water expansion tank system to a closed hot water expansion tank system in each boiler plant. Providing a new glycol boiler feed pump and tank system. Upgrade the controls of the hot water pumps, boilers and associated equipment in each boiler plant, with new Siemens controls that will be interfaced with the existing campus ems.

Close: Feb 24, 2026

This project will construct upgrades to the solids handling and solids treatment processes at the existing city of sumner wastewater treatment plant. These improvements will include construct an expansion to the existing solids handling building including: install new indirect biosolids dryer; thermal fluid heaters; and all equipment. Construct temporary haul truck loading bay to facilitate demolition of existing facilities. Modifications to existing treatment systems, structures, and processes will include: replace the existing thickened primary sludge pumps in existing scum pump building, demolition of existing dissolved air floatation thickener, and associated equipment in equipment building 2 and the installation of new rotary drum thickener and associated thickened waste activated sludge pumps, replacement of existing thickening and dewatering polymer systems and replacement of existing air gap system in the existing solids handling building. Reconfigure dewatered sludge conveyance system including rehabilitation of existing dewatered sludge storage hopper, modifications to existing conveyors (temporary and permanent) and installation of new conveyors. Demolish existing waste gas burner and installation of new digester gas treatment system to include hydrogen sulfide and moisture removal and digester gas compression, as well as installation of a new enclosed waste gas flare. Replace existing submersible pumps in plant drain pump station no. 1 and walls of existing centrate storage tank will be raised 6'. Replace internal recycle pumps and anoxic zone mixers in aeration basins 1 and 2. Install new and modify existing electrical power distribution and control equipment to support the new improvements, including installation of new standby generator with subbase fuel tank in a sound attenuating enclosure. Construct new hammerhead on state street just outside entrance to the plant and new security fencing and access gates. Bid additive no. 1 will include the replacement of existing effluent UV disinfection system.

Close: Jan 30, 2026

Inspection, maintenance and repair of all equipment in the Central Utilities Plant (CUP).