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attachments may be used. All welds should be inspected, and any failed welds should be reported prior to painting. All metal surfaces shall be thoroughly cleaned of oil, grease, soil, rust scale, and all other foreign substances. Oil and grease may be removed with clean rags saturated in mineral spirits. After cleaning metal surfaces and before applying paint, Contractor shall clean the pole and the paved area surrounding the base of all sand, dust, or other foreign matter in order to prevent such materials from being blown on to the freshly painted surface. All surfaces that are not to be painted (glass/plastic panels, attached signs, light pole inventory number, hand-hole screws, etc.) shall be protected from paint and painting operations. 3.5.2 Rust Treatment Any areas showing signs of oxidization shall be thoroughly wire brushed and treated with a rust converter that has been approved by the project manager. This process is necessary to arrest oxidization and ensure proper primer adhesion. The rust treatment must be applied in accordance with label instructions. 3.5.3 Primer All surfaces must be primed prior to painting with an appropriate rust-inhibiting and/or rust-stabilizing lead-free alkyd oil-based red-oxide primer prior to application of finish coats. The primer must be approved in advance by the City's project manager and must be applied in accordance with label instructions. 3.6 Application 3.6.1 Color The finish color shall be matching existing pole color and for green poles shall be "Pleasanton Green" and a sample must be submitted to and approved in advance by the City's project manager. Coatings shall be applied in accordance with coating manufacturer's instructions. 3.6.2 A minimum of two (2) finish coats of urethane gloss enamel paint shall be applied. All application equipment, tools, pressure settings, and techniques shall be used in accordance with manufacturer's instructions. 3.6.3 Mixing and thinning of coatings, including multi-component materials shall be in accordance with coating manufacturer's instructions. Containers shall be kept closed when not in use to avoid contamination. 3.6.4 Contractor shall not use mixed coatings beyond pot life limits. 3.6.5 After the primer is cured, Contractor shall brush-apply a stripe coat to critical locations on the steel such as welds, corners, and edges using a specified intermediate coat. 3.6.6 Uniformly apply coatings at spreading rate required to achieve specified dry film thickness (DFT). 3.6.7 The application of all coatings, including exterior coatings, shall be free of film characteristics or defects that would adversely affect the performance of the coating system and affect appearance. 3.6.8 All work shall be warranted for material and workmanship (peeling or washing) for a minimum of one (1) year. Pole Painting shall be paid for each pole location and shall be inclusive of all work under section 3 and paid for at the unit price of each.