How to Avoid Extra Cost, Delays and Confusion by One Simple Step: Writing 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 […]
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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How to do Temperature Mapping for Warehouse Qualification A material storage area or warehouse is often a second-tier priority in a biopharma project. Unlike process areas, the environmental requirements are much more relaxed–no air changes or room pressures or particle counts to worry about. Compared to process areas, the temperature and humidity can vary over
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