Projects
24
All photos by Terry February
View of the atrium .
Informal seating in the atrium .
Bespoke wall art .
RACA Journal I November 2020
Building construction commenced in August 2018 and Practical Completion under the JBCC contract was achieved in February 2020 . The HVAC installation had taken just over 12 months to complete . The construction programme was aggressive and despite further acceleration challenges , the project was delivered without delay .
The client brief in terms of the HVAC system was to provide an innovative HVAC system , optimising efficiency while ensuring the systems are simple to operate and easy to maintain . The design objective was not to achieve a Green Star rating , however best practice Green initiates had been implemented in the design . Acoustic performance of enclosed offices and boardrooms was also a priority .
THE HVAC SYSTEM AND INSTALLATION Cooling / Heating / Ice generation Plant The HVAC system for the main campus building involves a central air-cooled chilled and hot water generation plant combined with thermal ice storage which supplements the chiller cooling capacity .
To satisfy the 2 556kW peak cooling demand , two chillers were employed , one being cooling only with ice build capability ( dual set-point ), the other being a 4-pipe heat pump chiller capable of simultaneous heating and cooling , as well as ice build capability .
22 of the ‘ Ice-On-Coil ’ type Calmac thermal storage vessels were provided which contributes 35 % of the peak instantaneous cooling demand . By utilising thermal storage , the peak cooling demand imposed on the chillers
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