Chicago : Engineering and Contracting Pub. Co. · leaf 52
parallel with and not lessthan Vi in. below the proposed surface of thecompleted pavement. To insure this the con-crete shall be struck with a gage which shall 200 sq. ft. of sidewalks, and not less thanone barrel of cement shall be used for every06 sq. ft. of finished sidewalk. When the bottom… … Fig. 22—Details of Wood Stairway. 38 ENGINEERING & CONTRACTING Vol. XXXVI. No. 2. uniform color, and sufficient water added tomake a mortar of proper consistency. Themortar shall be colored by mixing lampblacktherewith, at the rate of about % lb. of lamp-black to one barrel of cement. This…
Buildings
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