ORDINANCE NO. 8870 - Laserfiche WebLink

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sss "V" shaped grooves one-quarter of an inch (1~1t) in depth shall then be made with a suitable tool, dividing the sidevralk into blocks five feet (5-) square, or as the City Engineer may direct. The cement coating shall be roughened by finishing vrith a floor brush or in such manner as the City Engineer may specify. At such points as may be directed by the City Engineer, and which shall be approximately sixty (EO) feet apart, all concrete sidewalks shall have a joint, extending entirely through the concrete. This joint shall be one-quarter (1/1~~~) by four is~ches (1~~') asphalt composition or c ark . When the sidewalk is completed, it shall b e covered vrith such material as may be directed and kept moist by sprinkling for at least one week. The sprinkling shall be done as often as may be necessary to keep the sidewalk constantly moist. Cement. All cement used on the work shall conform to ASTlt4 Specification C-150-1t2, dry and free from all lumps and foreign material, delivered on the ground in the original packages, in good condition, properly covered and protected from rain and dampness. It shall be delivered on the work in advance, in such quantities as to afford the engineer an opportunity of making tests before the cement shall be used. In addition to the tests above specified, all cement used on this work shall be subjected to such tests as may be necessary to determine whether or not the cemen t possesses the necessary qualiti_es,~for the particular work for which it is intended. Should there be discovered at any time, any characteristics in an;r cement being used that are objectionable, in this work, or shculd the cement fail to make good concrete or mortar, the further use of cement of the same brand in this work shall b e prohibited. Sand. All sand used on the work in. the mixture of cement mortar shall be furnishe d by the contractor, and shall be of the best quality available. It shall be clean, screened, coarse and sharp, free from loam, clay, vegetable matter, or other foreign substances, and satisfactory to the City Engineer. Gravel. The gravel used on the work shall be thoroughly washed until free from loam, clay or earthly particles. Concrete sidevralk and curb shall be composed cne (1) part cement, two and one-quarter ( 2 1/!~ ) parts. sand, four and one-quarter (1~ 1/Lt) parts: of gravel. A sack of cement, 91~ lbs. shall be taken as one (1) cubic foot. One cubic yard of concrete shall contain not less than 5 sacks of cement. Materials shall be mixed in a batch mixer for not less than one minute. All batches containing an excess of water will be rejected. Ready mix-Concrete.. All ready-mix concrete delivered to the job shall be accompanied by a certificate containing the follov~ring information: Name of Compan~r, Address, Time load Left plant, Time received at job, Number of cubic yards, ti`dater gallons, Cement lbs., Sand lbs., Gravel lbs., Brand of Cement. Any load not accompanied by such certificate will be rejected. The contractor will be required to starrip his name in letters from one (1) to two (2) inches high and one-quarter of an inch deep, twide in each block on each side of street, and