The overall project included renovating over 100,000sf of the existing facility which houses Clemson’s schools of architecture, construc- tion science, landscape architecture, and visual arts, as well as the construction of a new addition of over 55,000sf, which just received LEED Gold certification. Features in- clude natural ventilation, daylighting from 25 skylights and a glass exterior skin, and a green roof. The new building also features something never before used in South Carolina (although common in Europe): a ra- diant heating and cooling system with an under-floor pip- ing system. The one at Clemson uses geothermal wells to provide temperature control by radiating through the con- crete floors. In addition, all plumbing systems and fixtures were designed around water conservation. Although Waldrop workers had worked with similar sys- tems in some small residential projects, they had never built one of this scope and size. Several team members attended a special school to learn proper installation tech- niques and then shared the knowledge with colleagues. They were also helped by product specialists and engi- neers from Uponor, the European manufacturer of the equipment and the largest manufacturer of flexible piping in the world. The major quality issues that had to be addressed were the proper installation of the flexible piping system and the underground, under-slab duct system, which had depths of 8 to 10 feet. A careful eye then had to be kept on these systems during the rebar and construction activities that followed. The use of geothermal power to heat and cool the water added to the project’s uniqueness. Waldrop had to drill 40, 500-foot-deep wells. 4 – February / March 2013 — The South Carolina Construction News Bosch Rexroth HVAC Upgrade – Manufacturing Retrofit The $848,000 HVAC upgrade at Bosch Rexroth’s conver- sion of a pharmaceutical distribution center into a manu- facturing facility put Waldrop’s extensive planning and scheduling skills to a tough test: they had to complete most of the work without the major equipment which didn’t arrive until very late in the HVAC installment sched- ule. CONTINUED ON PAGE 13 PHOTO BY SCOTT FRANCES “It was a phased project, so time and scheduling was very important,” says Jamie Porterfield, the Waldrop part- ner who acted as project manager. “We were one of the first contractors in, so we had to stay on schedule so as not to slow down everyone else. Our work is invisible – there are no traces of it – but it can be felt.” Work on the project began in September 2010 and was finished in April 2012. During that time, London, then an associate dean, spent much of his time on it. Contractors and designers met weekly. Holder Construction was the general contractor. McMillan Pazdan Smith served as ar- chitect of record, while Thomas Phifer and Associates served as the design architect. “Holder and Waldrop did well, and the building performs extremely well,” London says. “Their teams bought into the concept and pulled it off. The renovations also went smoothly, and Waldrop brought in the new systems with- out needing a lot of oversight. When issues came up, they always seemed to have things under control.” Says Mike Talbot, president of Talbot & Associates Con- sulting Engineers, who served as the mechanical engineer, “Waldrop did a good job and always responded quickly to any concerns we had.” Other ABC suppliers that worked on Lee Hall include Heat Transfer Sales of the Carolinas, Trane Comfort Solu- tions, Hajoca and Dean Hall Insulation.