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10083-0016 <br />CITY OF SOUTH BEND <br />After application, the modular body shall again be thoroughly degreased using M- <br />600 degreaser and the wipe on — wipe off method. <br />10.2.3 Wash Primer. The modular body shall be primed with a medium <br />build, chromate -free, self -etching wash primer that offers excellent corrosion <br />resistance without the use of metal preps and conditioners. There shall be a <br />minimum of two (2) medium wet coats applied allowing a five (5) minute flash <br />between each coat, The final coat shall be allowed to flash for 30 minutes. The <br />primer shall be sanded with 320 grit sandpaper using a DA orbital sander or 400 <br />grit dry sandpaper by hand. After sanding, <br />the modular body shall again be thoroughly degreased using M-600 degreaser and <br />the wipe on — wipe off method. <br />10.2.4 Sealer. To enhance the adhesion between the substrate and top <br />coat of paint, a transparent seater/adhesion promoter shall be applied to the <br />modular body. A minimum of two (2) wet coats of sealer shall be applied. The <br />initial coat shall be allowed to flash 10 minutes before the application of the <br />second coat. Once the sealer has cured, the body is the be sanded smooth with <br />320 grit sandpaper using a DA orbital sander. <br />10.2.5 Top Coat. The top coat of paint shall be a high solid two - <br />component polyurethane enamel, suitable for automotive refinishing, trucks and <br />equipment. Paint shall provide an easy application with excellent How along with <br />superior gloss and durability in a two -coat application. <br />10.26 Final Sand and Buff The entire exterior surface of the module shall <br />be sanded with a minimum 1200 to 1500 grit sand paper and then followed by <br />3000 grit wet sandpaper. The exterior of the module will then be polished using <br />the 3M 3000 buffing system with 3M Perfect -It III buffing compound to provide a <br />smooth, high gloss final surface finish. This process shall provide a smooth, high <br />gloss finish that is resistant to scratching and chipping. If proper vehicle care is <br />taken. <br />103 ' Color Standards and Tolerances. Shall be as required by paragraph <br />3.16.2,1 of Federal Specification KKK -A- I 822F. <br />10.4 ' Salt Sprqy Resistance. Shall meet the requirements of paragraph <br />3.16.3 of Federal Specification KKK -A- I 822F. <br />08/27118 <br />25 <br />