CoatingsPro Magazine

JAN 2009

CoatingsPro offers an in-depth look at coatings based on case studies, successful business operation, new products, industry news, and the safe and profitable use of coatings and equipment.

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planned," explains Scaturro. "We've been an approved applicator for this material since 1996." To reach the higher areas of the tank, the crew dropped safety cables down from rigging couplings (that the welder had installed) and rigging cables for the actual two-man platform that the men worked on. They again donned their Bullard 88 supplied air breath- ing blast hoods, and Miller fall protection. The coating process took about a week to complete; then the crew used a D.E. Stearns 14/20 high-voltage pinhole (holiday) detector. Scaturro states, "Whenever the coating thickness is over 20 mils, you need a high voltage tester as opposed to a low voltage tester to properly check for pinholes." Any pinhole discovered was closed with a quart-sized kit of the same material as the coating. The Alpine crew installed a rigid scaffolding system with planking on every level and a full guard system. The containment system was Monarflex fire-resistant scaffold sheeting on the outside of the scaffold with overlapped seals to create a SSPC Class 2A containment area. ABOVE THE EXTERIOR REFURBISH Once the change order for the exterior refurbish was issued, the Alpine crew had a whole new project to tackle. "Suddenly we had to deal with issues including lead primer on the outside of the tank and communications antennas that needed to remain in use during the project," Scaturro says. The crew installed a rigid scaffolding system with planking on every level and a full guard system. The containment system was Write in Reader Inquiry #41 January 2009 J www.coatingspromag.com 91

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