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Fastrack - June 8, 2011

June 10, 2011
BACnet Pioneer Dies
June 8, 2011
Efficient Control of a Primary/Secondary Plant
By KIRBY NELSON, PE, Springfield, Mo.
This article, second in a series, discusses a strategy for operating a primary/secondary plant based on full loading of a chiller before another chiller is turned on, a strategy that often results in secondary flow being greater than primary flow, meaning water off of an evaporator must be less than 44°F for 44°F water to be supplied to site air handlers. [MORE]
BACnet Pioneer William Swan Dies
Former BACnet Committee chairman and long-time Alerton building-standards engineer William “BACnet Bill” Swan died June 4 at John Muir Medical Center in Concord, Calif. [MORE]
Proposed Operation-and-Maintenance Guideline Open for Public Comment
Proposed American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Guideline 32P, Sustainable, High Performance Operation and Maintenance, will be open for public comment until July 4. [MORE]
Survey: Top A/E/P Management not Using Days Off
Professionals in the architecture, engineering, and planning (A/E/P) and environmental industry feel the need to work harder than ever to stay afloat. Taking work home, not taking paid time off, and staying connected even during time off are just a few of the ways they are managing to work more. [MORE]
Raypak Upgrades Classroom Facilities
Raypak—the Oxnard, Calif.-based designer and manufacturer of commercial boilers, water heaters, and control systems; pool and spa heaters; and residential boilers—has upgraded its classroom facilities to accommodate all of its product families: atmospheric, mid-efficiency, and condensing. [MORE]
Last Chance to Register for Live HPAC Engineering Webinar
Many commercial, health-care, and school buildings experience inefficient HVAC-system performance, complaints concerning occupant comfort, and increasing operation and maintenance costs. Often, the culprit is non-functioning or underperforming damper actuators and control valves. [MORE]
Filters for Cooling Water Treatment: GO GREEN -- Conserve Space, Conserve Water, Conserve Time ORG automatic self-cleaning filters by ORIVAL, Inc. remove a lot of solids and very little water. In sizes from ¾" to 10", these filters address most cooling water needs with a wide range of filtration degrees. Plug-and-play skid packages are also custom built to user specifications. Visit our website at or email to [email protected] for additional information.
MetraLoop seismic joint is 100% pre-tested. You know it will work. You know you meet code. Unlike multiple grooved components assembled on site from available parts, the Metraloop seismic joint is a pre-assembled, 100% pre-tested joint, ready to meet your specifications for movement. Installed in thousands of piping systems around the world, it comes in a variety of sizes, and in movements from as little as ±1-1/2-inches, plus custom designs to accommodate modest to extreme movement requirements. It is simple to install. One hanger, two connections. Done. Get the details at
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