Green Hill School Campus HVAC Improvements - Dept. of Children Youth & Families (DCYF), Chehalis, WA
The scope includes: 1. Construction of a 4-pipe air to water CO2 heat pump plant and associated pumps, supporting equipment, and piping distribution to three housing buildings (Spruce, Hawthorn, and Maple). 2. Retrofit of 12 air handling units (4 in each building noted above) with new supply and return fanwalls, hot water and chilled water coils, dampers, and filters. Construction must be phased for retrofit of 2 air handling units at a time, one building at a time. .New DDC system front located at the Central Plant Building Z with new DDC controls for the new central plant equipment and new DDC controls for Spruce, Hawthorn, and Maple. Demolition of any existing 400 hp fire tube hot water boiler from the central plant Building Z. Demolition of a portion of the Central Plant Building Z wall assembly and installation of a new roll-up service door and louvers in the same location. Site distribution of buried chilled and heat water piping from the Central Plant Building Z to the CO2 heat pump located on an new concrete equipment pad on site and to the Spruce, Hawthorn, and Maple Buildings. CMU block wall enclosure with fence and gate at the CO2 equipme
Mandatory 15% apprentice labor hours of the total labor hours are a requirement of the construction contract. Voluntary numerical Diverse Business goals of 10% MBE, 6% WBE, 5% SBE or PWSBE, and 5% Veterans have been established for this project. Achievement of the goals is encouraged.