FIRE PROTECTION & LIFE SAFETY DESIGN MANUAL

Wall and ceiling materials, paneling, and acoustical tile shall be Class A or B, unless otherwise noted, with a maximum flame spread rating of 75 or less, and maximum smoke developed of 450 as tested in accordance with ASTM E-84. ... (115 mm) suction connection and grade. The ground must be graded so that any surface drainage is away from the ... ................
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