AASHTO GPSS-1

Abstract

<strong>Painting Bare Steel</strong> <br><em><strong>a.Shop Painting</strong></em> <br>For the purposes of this Guide, repainting steel from an existing bridge that is returned to a shop qualified to clean existing steel by blast cleaning to an acceptable surface condition (see section 11) and recoating is subject to the same requirements as newly fabricated steel. <br>A shop may be either a permanent painting shop that may be part of a steel fabricator's plant, a separate painting shop, or a temporary shop constructed at or near the bridge site to repaint the steel where environmental conditions during paint application will be within the recommended temperature and humidity ranges. A covered shelter does not necessarily constitute a shop. <br>The shop-applied coating may include an initial coat or multiple coats as specified by the Owner or, if acceptable to the Owner, as elected by the Contractor. <br><strong><em>b. Field Painting</em></strong> <br>This Guide contains requirements, including applicable environmental regulations, for the Contractor to meet, when field painting of new structural steel is specified or allowed.