How to Avoid Extra Cost, Delays, and Confusion: Write User Requirements at the Very Beginning A few years back, as the owner’s HVAC Lead in a biopharma project, I had an urgent task on my hand: Create User Requirements Specifications (URS) for the Primary Air Handling Units (PAHUs). Unfortunately, this particular URS never saw the
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How to Systematically Review HVAC Design and Improve its Quality? He was sharp, ruthless, and scary. No one wanted to meet him. But since he was the boss of our consulting firm, we had no choice but to bring the design drawings to him for his review. The usual encounters with him lasted only a
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Is < 65% Relative Humidity a Safe Bet with Untreated Fresh Air in Singapore? If there is one issue that often bogs down HVAC designers and building owners in Singapore, it’s relative humidity (RH) in the air-conditioned spaces. Hot and humid, Singapore’s climate demands extra care while designing HVAC systems, or else you end up
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