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Attachment 1: Specifications - Metropolitan Washington Airports ...

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DCA TERMINAL A IMPROVEMENTS (NEAR TERM) 10 AUGUST 2012<br />

TASK ORDER 03: LOBBY IMPROVEMENTS – PKG 4 - CURBSIDE CHECK-IN<br />

RONALD REAGAN WASHINGTON NATIONAL AIRPORT<br />

PROJECT DT1203<br />

2.3 PRIMERS/SEALERS<br />

A. Primer, Bonding, Water Based: MPI #17.<br />

2.4 TEXTURED AND HIGH-BUILD COATINGS<br />

A. Primer for Textured Coating, Latex, Flat: As recommended in writing by topcoat manufacturer.<br />

B. Intermediate Coat for Textured Coating, Latex, Flat: As recommended in writing by topcoat<br />

manufacturer.<br />

C. Textured Coating, Latex, Flat, MPI #42.<br />

PART 3 - EXECUTION<br />

3.1 EXAMINATION<br />

A. Examine substrates and conditions, with Applicator present, for compliance with requirements<br />

for maximum moisture content and other conditions affecting performance of the Work.<br />

B. Maximum Moisture Content of Substrates: When measured with an electronic moisture meter<br />

as follows:<br />

1. Concrete: 12 percent.<br />

2. Gypsum Board: 12 percent.<br />

C. Verify suitability of substrates, including surface conditions and compatibility with existing<br />

finishes and primers.<br />

D. Proceed with coating application only after unsatisfactory conditions have been corrected.<br />

1. Application of coating indicates acceptance of surfaces and conditions.<br />

3.2 PREPARATION<br />

A. Comply with manufacturer's written instructions and recommendations in "MPI Manual"<br />

applicable to substrates and paint systems indicated.<br />

B. Clean substrates of substances that could impair bond of paints, including dust, dirt, oil, grease,<br />

and incompatible paints and encapsulants.<br />

1. Remove incompatible primers and reprime substrate with compatible primers or apply tie<br />

coat as required to produce paint systems indicated.<br />

EXTERIOR PAINTING 09 91 13 - 3

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