1925 (#1403-1607) - Laserfiche WebLink

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o~r~ih~curb shall be rounded to a radius of approximately one (1) inch, and the back edge, to a radius of not more than one-half (~) inch. Unless otherwise specified, the back edge of the top of all curbs shall be one*fourth (~) inch higher than the front edge. The finished curb shall allow a true straight face, and top of uniform width, free from humps, sags, or inequalities. When a straight edge five (5) feet long is laid upon the top of the curb, it shall not vary more than one-fourth (~) inch from the straight edge, except at curves or grade changes. (e) CONSTRUCTION JOINTS. Construction joints shall be made at the ends of all curb returns and at intervals of twenty (20) feet therefrom, unless otherwise noted on the plans. This joint shall be made by setting steel plates in a vertical position at right angles to the curb and withdrawing them after the concrete has been tamped into place. The finishing shall be done to correspond to the scoring lines. (f) CONTRACTORS NAME ON CURB. The Contractor shall stamp his name on the curb at intervals of not less than one hundred (100) feet. The letters shall be not less than three-fcurths (~) inch, nor more than one and one--half (1~) inches in height, and impressed to a depth of one-fourth (~) inch. (g) CURING. The entire curb shall be banked and covered with not less than two (2) inches of earth or sand, within twenty-four (24) hours after completion. During the next ten (10) days, it shall remain covered and shall be watered twice daily. (h) REPAIRS AND REPLACEMENTS. The Contractor shal lrepair all curbs, walks and gutters damaged by him during the construction of curb. Where any curb requires repair before acceptance, the repair shall be made by removln~ and replacing the entire section between scoring lines, and not by refinishing the damaged portion. Where the plans provide for reconstruction of existing curb and the limit of new work specified does not fall on a scoring llne, the entire scctlon shall be removed and the new curb shall join the old curb at the first scoring line beyond said specified limit. SZCTION :~. CRMZNT 8IDRWALir CONSTRUCTION. Cement sidewalk shall be placed upon a thoroughly dampened subgrade, prepared and gaaged as hereinbefore described. (a) DIMEN-qlONS. Unless otherwise specified on the plans, ail sidewalks shall be of the following w~dths and total thicknesses: Sidewalks on residential streets shall be five (5) feet in width and three and one-haft (;II,{) inches in thickness. Sidewalks fronting business houses shall l~e the full width between the property llne and thc back face of the curb, and four (4) inches in thickness. All sidewalks crossing driveways shall be equal in width to the adjoinln~ sidewalks, and five ($) inches in thickness. The sidewalk shall cover thc entire area included within the prolongation of the side lines of the inters~ctlng streets and the curbs and curb returns at all street intersections, unless otherwise s~ecified or shown on the plans. (b) SIDEWALK SLOPE. The finished surface of the cement sidewalk shall lie in a ~lane sloping up from the established grade at the curb line at the rate of three (3) inches in twelve (12) feet, unless otherwise specified or shown on the plans. (c) FORMS. Strips used as side forms shall be not less than one and three-fourths (1~) inches in thickness nor less than the thickness of the sidewalk, and shall have a smooth straight upper edge. All side forms shall be well staked or otherwise held to the established line and grade, and their upper surface shall conform with the finished surface of the sidewalk The forms shall be thoroughly cleaned before being used. (d) PLACING CONCRETE. Concrete, machine or hand mixed as hereinbefore described, shall be spread upon the subgrade between the side forms and htoroughly 31--6