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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 />

SECTION 09 21 16.23 - GYPSUM BOARD SHAFT WALL ASSEMBLIES<br />

PART 1 - GENERAL<br />

1.1 SUMMARY<br />

A. Section Includes: Gypsum board shaft wall assemblies.<br />

1.2 ACTION SUBMITTALS<br />

A. Product Data: For each component of gypsum board shaft wall assembly.<br />

PART 2 - PRODUCTS<br />

2.1 PERFORMANCE REQUIREMENTS<br />

A. Fire-Resistance-Rated Assemblies: For fire-resistance-rated assemblies, provide materials and<br />

construction identical to those tested in assembly indicated according to ASTM E 119 by an<br />

independent testing agency.<br />

B. STC-Rated Assemblies: Provide materials and construction identical to those of assemblies<br />

tested according to ASTM E 90 and classified according to ASTM E 413 by a testing and<br />

inspecting agency.<br />

2.2 GYPSUM BOARD SHAFT WALL ASSEMBLIES<br />

A. Fire-Resistance Rating: 1 hour.<br />

B. STC Rating: 51, minimum.<br />

C. Studs: Manufacturer's standard profile for repetitive members, corner and end members, and<br />

fire-resistance-rated assembly indicated.<br />

1. Depth: 4 inches.<br />

2. Minimum Base-Metal Thickness: 0.018 inch.<br />

D. Runner Tracks: Manufacturer's standard J-profile track with manufacturer's standard long-leg<br />

length, but at least 2 inches long and matching studs in depth.<br />

1. Minimum Base-Metal Thickness: Matching steel studs.<br />

E. Firestop Tracks: Provide firestop track at head of shaft wall on each floor level.<br />

GYPSUM BOARD SHAFT WALL ASSEMBLIES 09 21 16.23 - 1

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