Portland Cement and Sand 2 or Lime and Sand. Open web steel joist floors and roofs with ceiling supports mm o. Wood roof and wood floor truss assemblies mm o. Add to the fire-resistance rating of plaster on gypsum lath ceilings if 0.
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Add to the fire-resistance rating of plaster on gypsum lath ceilings if 76 mm wide metal lath strips are placed over joints between lath and plaster. Add to the fire-resistance rating of plaster on 9. Assigned Contribution of Membrane to Fire Resistance 1min. Solid wood floor with building paper and finish flooring on top appendicitis time frame.
Solid wood walls of loadbearing vertical plank 3. Solid wood walls of non-loadbearing horizontal plank 3. Type of Plaster on Metal Lath 1.
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Concrete masonry units 3 or precast reinforced concrete units. Clay or shale brick 4 column spaces filled 2. Clay or shale brick 4 column spaces not filled. Hollow clay tile 5 column spaces filled 2. Hollow clay tile 5 column spaces not filled. Fire-Resistance Rating 1 2. Appendicitis time frame Thickness, 1 mm. Self-threading screws or No. Crimped joint or No. Type S concrete 2 beam spaces filled solid. Type N or L concrete 2 beam alpendicitis filled solid.
Gypsum-sand plaster on 9. Portland cement-sand on metal lath 4.
Gypsum-perlite or gypsum-vermiculite on metal lath 4. Overdesign Factor 2. All other cases 4. Paint or Varnish not more than 1. Douglas Fir plywood 4. Poplar plywood 4. Plywood with Spruce face veneer 4.]