Engineered Systems - September 2008 - (Page 20)

CaseInPoint Gibraltar Design. Envoy hired Correct Construction as mechanical contractor and Morris Sheet Metal to fabricate and install the ductwork. Morris Sheet Metal began work in December 2006 fabricating internally insulated sheet metal ducts of varying sizes. For the larger gathering areas, such as the auditorium, great hall, gymnasium, and ﬁeld house, the contractor made large, round ducts, ranging from 20- to 48-in. dia. For the rest of the school, they fabricated rectangular ducts in sizes from 8-in.-by-6-in. to 96-in.-by 24-in. As the new ducts were produced, Morris Sheet Metal began installing them with a crew of eight throughout the school building. They hung the larger ductwork with trapeze hangers, made from all thread rod and angle iron. They hung the smaller ducts with 1-in. metal straps. RAMPING UP FOR THE BIGGEST CHALLENGE The contractor’s biggest challenge came when hanging ductwork in the auditorium, which has sloped ﬂoors and a 40-ft structure above. To reach the structure, the crew used tall scissor lifts, but the sloped ﬂoors presented a difﬁculty, placing them at awkward angles during duct installation. The crew was able to overcome this obstacle, however, by using ramps. “We had solid wood ramps built for the scissor lifts,” said Curt Kelsey, project manager for Morris Sheet Metal. “Every time we wanted to move to another spot, we had to drive off the ramp, reposition it, drive back on it, and load the lift up with another piece of duct and take it up to the structure above. This helped us to go straight up, instead of at an angle.” Coleman Insulation Company followed behind the Morris Sheet Metal Crew, installing SoftTouch Duct Wrap over the ductwork. The HVAC portion of the Hobart High School construction project is expected to be complete in July, and the school is scheduled to open for classes in January 2009. So far, the school has received positive reviews. “We’re very pleased with how the school is turning out,” Carlson said. “We’ve got some very good contractors working on the project.” The new Hobart High School will hold 1,400 students, with room to grow to the east and west of the building. The building is 331,750 sq ft and sits on 84 acres of land. Self-reliance dotcom — online facility services strengthens university’s physical plant operations Since its inception in 1911, the University of Regina in Saskatchewan’s capital city has grown to mirror the dynamic people and economy of the Canadian province, providing an ideal study and work environment for more than 12,000 full- and part-time students. In recent years, the university has experienced impressive physical expansion, due in large part to its academic reputation. Since 1995, the school has doubled its footprint to support a long-range goal of accommodating a student population of more than 25,000. ON ITS TOES — AND ITS OWN Without question, the university’s need to serve the educational require- Engineers and building owners rely on Belimo to ensure reliable, energy efficient performance in their HVAC systems. The consistent quality, delivery and performance of Belimo products have solved comfort challenges, improved energy efficiencies and earned trust through long and productive life. The Pressure Independent Characterized Control Valve (PICCV) combines the proven CCV technology plus a dynamic regulator. PICCV reacts to pressure variations, performing a continual balancing function to maintain optimum system performance. Want the best? Specify Belimo > Get the details: www.piccv.com BELIMO • 877.833.1609 • www.belimo.com Input 65 at www.esmagazine.com/instantproductinfo ESM07084Belimo.indd 1 ed S y stem s 20 En gi neer September 2008 6/23/08 11:31:48 AM http://www.belimo.com http://www.piccv.com http://www.belimo.com http://www.esmagazine.com/instantproductinfo

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Engineered Systems - September 2008 Contents Editor's Note HVAC Challenge Back2Basics Case In Point Commissioning Building Automation HVACR Designer Tips Application Checklist LEED®, Or Get (It) Out Of The Way? BACnet Supplement Race To Market Steam Humidification In Pharmaceutical Facilities Outside Air, Inside Data Centers Forecast: Increasingly Cloudy And Under Control Products Computers & Software Literature Glossary Classifieds Advertiser Index Tomorrow's Environment

Engineered Systems - September 2008

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