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unloading equipment and material into the community. Despite the post-food conditions, there have been no glaring safety concerns, but there are environmental factors to consider, as well as the need to ensure that noise and the of-gassing of materials are kept to a minimum. Because the buildings are occupied during the renovation of the basements and the frst foors, usable corridors and laundry rooms must remain open for the tenants. At times, noted Koerner, "there were hundreds of workers on site, and we are all very strict with protective gear. Plaster crews, electricians, landscapers, and more can make for weekly jobsite meetings of 30 people." But ultimately Koerner knew that, VENDOR TEAM 3M Safety equipment manufacturer 2350 Minnehaha Ave. East Maplewood, MN 55119 (888) 364-3577 www.3M.com HTC Equipment manufacturer 5617 Tazewell Pike Knoxville, TN 37928 (865) 689-2311 www.htc-floorsystems.com 48 Land Science Technologies by Regenesis Coatings manufacturer 1011 Calle Sombra San Clemente, CA 92673 (949) 366-8000 www.landsciencetech.com Metabo Equipment manufacturer P.O. Box 2287 1231 Wilson Dr. West Chester, PA 19380 (800) 638-2264 www.metabo.us JANUARY 2014 COATINGSPROMAG.COM Using squeegees, the crew is applying the Retro-Coat in two coats at 16 mils (406 microns) per coat. Then, they backroll each of the building's floors using 18-inch (46 cm) rollers. "despite guys in our space, we will all be on this job for a few months and have to keep the peace with the other trades." Buildings' Foundation In addition to the epoxy, the crew is utilizing Retro-Coat Gel for small-scale repairs, which has garnered rave reviews from Koerner. "I haven't seen anything like it when it comes to filling holes and cracks, and it also works when repairing the cove base. It can go vertical without sagging and is a great go-to repair product." According to Regenesis product rep, Peter Grant, "RetroCoat was selected for this project because it's designed somewhat outside what normal coatings are used for. Typically they're used for decorative purposes or to cover concrete, but Retro-Coat was designed specifcally to eliminate vapors from coming into the building." In the case of Peter Cooper Village, which in its former life was a feld of gas tanks, vapor barriers were not required and essentially non-existent when the development began in the early 1940s. Te concrete foundation was poured directly onto the graded soil, providing little barrier to the hazardous chemicals that seeped into the area over time. "Former gas plants present a unique challenge," added Grant. "A lot of redeveloped areas of New York City have these environmental concerns, and our background is mitigating these types of vapors." For this job, the epoxy was a great option; according to Land Science literature, it "consists of chemically resistant materials to properly protect existing structures from the threat of