We usually think in terms of a progression from design to installation to occupancy. However, eradicating IAQ problems often requires working "backwards" from specific occupant symptoms to the likely source. By W. Edward Montz, Jr., Ph.D., and Theodore J. Passon, Jr., Ph.D.
From patient conditions to the placement of diffusers and beds, many variables are involved in creating
mechanical systems for patients particularly vulnerable to contaminants. By Keith Franklin, P.E., C.I.P.E, Ildefonso Bayron, and
Jim Mistry, P.E.
Eventually, the lights will go out, or try to go out. Factors such as a hospital's equipment priorities, alternative cooling strategies, and emergency generator service must be considered when power outages occur. By James F. Newton, P.E.
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.