When I started building systems commissioning 25 years ago, it did not take long to figure out that more was needed to confirm that the commissioned systems were complete and ready for testing than just the general contractor’s word for it.
Many consulting engineers will tell you that time invested in the construction phase is beyond their scope of work and, of course, the fee has been all used up and “we can’t afford to waste our time” with equipment and associated system startup.
Last month, this column addressed the need for (and philosophy behind) sample testing certain systems when 100% functional performance testing (FPT) is impractical from a time and/or budget perspective.
A few are more familiar and worth a reminder, while some are pretty sneaky. Others may have gotten there before the first occupant. In any event, any “sustainable facility” can sustain IAQ damage without attention to these sorts of risks.
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.