loads but their exact position in the structure is not known at the time the

Loads but their exact position in the structure is

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CE 120 Reader Page 9. 3 Table 9.1 Minimum Design Dead Loads Component Load (psf) CEILINGS Acoustical fiber board 1 Gypsum board (per 1/8-in. thickness) 0.55 Mechanical duct allowance 4 Plaster on tile or concrete 5 Plaster on wood lath 8 Suspended steel channel system 2 Suspended metal lath and cement plaster 15 Suspended metal lath and gypsum plaster 10 Wood furring suspension system 2.5 COVERINGS, ROOF, AND WALL Asbestos-cement shingles 4 Asphalt shingles 2 Cement tile 16 Clay tile (for mortar add 10 psf) Book tile, 2-in. 12 Book tile, 3-in. 20 Ludowici 10 Roman 12 Spanish 19 Composition: Three-ply ready roofing 1 Four-ply felt and gravel 5.5 Five-ply felt and gravel 6 Copper or tin 1 Corrugated asbestos-cement roofing 4 Deck, metal, 20 gage 2.5 Deck, metal, 18 gage 3 Decking, 2-in. wood (Douglas fir) 5 Decking, 3-in. wood (Douglas fir) 8 Fiberboard, 1/2-in. 0.75 Gypsum sheathing, 1/2-in. 2 Insulation, roof boards (per inch thickness) Cellular glass 0.7 Fibrous glass 1.1 Fiberboard 1.5 Perlite 0.8 Polystyrene foam 0.2 Urethane foam with skin 0.5 Plywood (per 1/8-in. thickness) 0.4 Rigid insulation, 1/2-in. 0.75 Skylight, metal frame, 3/8-in. wire glass 8 Slate, 3/16-in. 7 Slate, 1/4-in. 10 Waterproofing membranes: Bituminous, gravel-covered 5.5 Bituminous, smooth surface 1.5 Liquid applied 1 Single-ply, sheet 0.7 Wood sheathing (per inch thickness) 3 Wood shingles 3 FLOOR FILL Cinder concrete, per inch 9
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CE 120 Reader Page 9. 4 Table 9.1 Minimum Design Dead Loads (continued) Component Load (psf) Lightweight concrete, per inch 8 Sand, per inch 8 Stone concrete, per inch 12 FLOORS AND FLOOR FINISHES Asphalt block (2-in.), 1/2-in. mortar 30 Cement finish (1-in.) on stone concrete fill 32 Ceramic or quarry tile (3/4-in.) on 1/2-in. mortar bed 16 Ceramic or quarry tile (3/4-in.) on 1-in. mortar bed 23 Concrete fill finish (per inch thickness) 12 Hardwood flooring, 7/7-in. 4 Linoleum or asphalt tile, 1/4-in. 1 Marble and mortar on stone concrete fill 33 Slate (per mm thickness) 15 Solid flat tile on 1-in. mortar base 23 Subflooring, 3/4-in. 3 Terrazzo (1-1/2-in.) directly on slab 19 Terrazzo (1-in.) on stone concrete fill 32 Terrazzo (1-in.), 2-in. stone concrete 32 Wood block (3-in.) on mastic, no fill 10 Wood block (3-in.) on 1/2-in. mortar base 16 FLOORS, WOOD-JOIST (NO PLASTER) DOUBLE WOOD FLOOR Joint sizes (in.) 12-in. spacing (1b/ft 2 ) 16-in. spacing (1b/ft 2 ) 24-in. spacing (1b/ft 2 ) 2 × 6 6 5 5 2 × 8 6 6 5 2 × 10 7 6 6 2 × 12 8 7 6 FRAME PARTITIONS Movable steel partitions 4 Wood or steel studs, 1/2-in. gypsum board each side 8 Wood studs, 2 × 4, unplastered 4 Wood studs, 2 × 4, plastered one side 12 Wood studs, 2 × 4, plastered two sides FRAME WALLS 20 Exterior stud walls: 2 × 4 @ 16-in., 5/8-in. gypsum, insulated, 3/8-in. sidin
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  • Spring '09
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  • loads, Dead and live loads, live load, Construction terminology, ASCE

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