Replace 2 English Boilers

Replacement of two English Boilers and supporting components in Building 302, Steam and Chilled Water Generation Plant: Work includes demolition and removal of the existing boilers and support system electrical and mechanical equipment. The new boiler system consists of two (2) 80,000 pound per hour dual fuel boilers, new fuel oil pumping systems, motor control systems and variable speed drive upgrades for the feed water system. This work also includes upgrades to four existing boilers with mud drum heaters. All systems will reuse the current SCADA system that operates the plant. This project is logistically challenging since all work is done while the plant must maintain full operational readiness and provide steam to meet site demand. Removal of existing boilers, burners, economizers, controls, and associated piping; provision of industrial water tube boilers, and associated piping; upgrades to fuel oil pumping system; modifications to boiler feedwater distribution; modification to boiler feedwater pumping; electrical demolition and provision of electrical work; hazardous material precautions; painting; cleanup; and associated incidental work. New boilers 5 & 6; exhaust stack changes (one ea per boiler, 65' high), feedwater pump VFD upgrades; mud drum heaters for SG 1-4; fuel oil pump replacement , DA tank rebuild, aux feedwater system corrections and VFD'd, replace two older MCCs (MCC 3c and 3d) that support SG 5 & 6, includes arc flash protection. Wings' control booth upgrades; shift supervisor displays, and consoles upgraded with camera coverage with both inside and exterior coverage.

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Heating, Ventilating, and Air Conditioning (HVAC), Heating Boilers.