Wood pellet boilers were a key innovative component of the recent $4.7 million upgrade at the Ketchikan Federal Building in Ketchikan, AK. The 1930s-era, six-story building had a 47-yr-old steam boiler system that was at the end of its useful life and was providing inconsistent heat to the building.
This large complex is welcoming a host of new arrivals, from new boilers and chillers to an
overhaul of its hydronic strategy. Avoiding a whole lot of drilling was one benefit of their new design choice. Balancing first cost, maintenance costs, and the system itself were additional positives for keeping all 225 units comfortable and affordable.
A series of successful installations has made construction manager Cliff Holden a big believer in tankless water heating systems for the school-building projects he oversees. Since 2007, the 15-unit Burleson (Texas) Independent School District (BISD) has erected six new educational facilities under Holden’s direction, and the latest three have all featured multiple-unit, tankless solutions — in no small part because he wholeheartedly championed the idea.
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.
The GEO Specialty Chemicals company (Lafayette, IN) manufactures over 300 products for a worldwide customer base and boasts an impressive list of leadership positions as a manufacturer of various industrial grade resins, coagulants, and dispersions used in gypsum, oil, gas, agrochemical, and water treatment industries.
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.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.