Page 176 - Structural Steel Designers Handbook AISC, AASHTO, AISI, ASTM, and ASCE-07 Design Standards

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BUILDING CODES, LOADS, AND FIRE PROTECTION*

Load, lb/ft 2 0.7 1.1 1.5 0.8 0.2 0.5 0.4 0.75 8 7 10 5.5 1.5 1 0.7 3 3 9 8 8 12 30 32 16 23 12 4 (Continued)

COVERINGS, ROOF, AND WALL (cont.) Cellular glass Fibrous glass Fiberboard Perlite Polystyrene foam Urethane foam with skin Plywood (per 1 / 8-in thickness) Rigid insulation, 1 / 2-in Skylight, metal frame, 3 / 8-in wire glass Slate, 3 / 16-in Slate, 1 / 4-in Waterproofing membranes: Bituminous, gravel-covered Bituminous, smooth surface Liquid applied Single-ply, sheet Wood sheathing (per inch thickness) Wood shingles FLOOR FILL Cinder concrete, per inch L

Component Insulation, roof boards (per inch thickness): Ceramic or quarry tile ( 3 / 4-in) on 1 / 2-in mortar bed Ceramic or quarry tile ( 3 / 4-in) on 1-in mortar bed

Load, lb/ft 2 1 0.55 4 5 8 2 15 10 2.5 4 2 16 12 20 10 12 19 1 5.5 6 1 4 2.5 3 5 8 0.75 2

Minimum Design Dead Loads* Component Suspended metal lath and cement plaster Suspended metal lath and gypsum plaster

TABLE 4.1 CEILINGS Acoustical fiber board Gypsum board (per mm thickness) Mechanical duct allowance Plaster on tile or concrete Plaster on wood lath Suspended steel channel system Wood furring suspension system COVERINGS, ROOF, AND WALL Asbestos-cement shingles Asphalt shingles Cement tile Clay tile (for mortar add 10 lb/ft 2 ): Book tile, 2-in Book tile, 3-in Ludowici Roman Spanish Composition: Three-ply ready roofing Four-ply felt and gravel Five-ply felt and grave

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