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Hultz|BHU Engineers | Page 15 <br />PIERCE COUNTY | 950 FAWCETT BUILDING | HVAC REPLACEMENT <br />Company Name: Pierce County <br />Address: 950 Fawcett Avenue, Tacoma, Washington 98402 <br />Point of Contact: Tim Chan, Construction Project Manager <br /> tchan@co.pierce.wa.us, 253.798.6702 <br />Start Date: 2018 Completion Date: 2019 <br />Contract Value: $185,000 Construction Value: $1.65 million <br />Description: Project involved a complete new HVAC system for this three-story <br />office building in downtown Tacoma, Washington. The building was occupied <br />during the project with construction phased through each floor of the building. <br />The new mechanical system uses a high efficiency VRF (variable refrigerant <br />flow) system with a DOAS (dedicated outside air system) with energy recovery <br />for fresh air. Project included added rooftop steel supporting structure to <br />accommodate new rooftop air cooled condensers and the DOAS air handler. <br />Hultz/BHU Engineers was prime on the project, handling all contract document <br />preparation, bidding document distribution, responsibility criteria review, and <br />construction phase administration. <br />SECTION 3 | PERFORMANCE <br />SEATTLE PUBLIC SCHOOLS <br />LAFAYETTE ELEMENTARY SCHOOL | HVAC UPGRADES <br />Company Name: Seattle Public Schools <br />Address: 2645 California Avenue SW, Seattle, Washington 98116 <br />Point of Contact: Tom Gut, Senior Project Manager <br /> twgut@seattleschools.org, 206.252.0709 <br />Start Date: 2019 Completion Date: 2021 <br />Contract Value: $200,000 Construction Value: $3.5 million <br />Description: The Lafayette Elementary School improvements included the <br />installation of a complete new HVAC system. This new system incorporated <br />stand-alone air handlers in each classroom with MERV 13 filters, C02 controls, <br />optimum start/stop, and full fresh air economizer ability. <br />Each classroom has its own dedicated air handling system using variable speed <br />high quality fan coil units. The building’s indoor air quality can be maintained <br />without re-circulating air between spaces. <br />New central high-efficiency boilers were installed, as well as new hot water <br />piping, new pumps, and new direct digital controls (DDC). New fire sprinkler <br />systems and seismic improvements were also part of this project. <br />The work also included an evaluation for the new HVAC ventilation system <br />with the current pandemic in mind, including improved filtration and increased <br />ventilation rates.