With our next Today’s Boiler scheduled for May, I don’t want to wait that long to keep you apprised on the latest in the ongoing saga of finalizing and implementing new boiler regulations. Even last month’s ABMA meeting is not the latest, but ABMA president Randy Rawson has sent his members (including ES) a good summary of the present situation. So with thanks to him, I am providing an excerpt of his update below. If you have trouble keeping up, don’t feel bad.
The U. S. House of Representatives passed H.R. 2250, the "EPA Regulatory Relief Act of 2011,'' last month by a vote of 275 to 142 (not enough to override an expected Presidential veto)?—?and then they went home for a week of campaigning.
To keep boiler drum water level in an acceptable range is an important safety guideline for boiler operation. In recent years, accidents have occurred frequently due to boiler drum level measurement and control problems.
One of the biggest stories of 2010 involved valve failure. From April to July, engineers were scrambling to stop the hundreds of millions of gallons of crude oil being released into the Gulf of Mexico after the blowout preventer (BOP) on the Deepwater Horizon rig failed to seal the pipe.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.