45-09 Amend Chpt 903 - Sidewalks & Curbs

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than two and one-half feet wide laid lengthwise to the street, and any length breadthwise to the street shall be of the full width of the walk, unless such walk exceeds six feet in width. 903.05 CONCRETE SIDEWALK SPECIFICATIONS. All concrete sidewalks shall be laid under the following specifications: Concrete shall. be continuously deposited between bulkheads to a uniform thickness of four inches to the full depth and width of the walk. The concrete, after being placed, shall be thoroughly compacted and brought to the proper pitch and grade with a template or straight edge. Immediately prior to the finishing of the surface, the walk shall be cut into slabs not longer than six feet on any one side with one-half inch expansion joints at intervals not to exceed thirty feet. The finish of the walk shall immediately follow the placing and compacting of the concrete. The concrete shall have a minimum of six sacks of cement per cubic yard. Unless otherwise ordered, the finish shall be the. same as that produced with wood floats. After the concrete has been proper)y placed and finished as heretofore specific the surface of the concrete shall be covered with waterproof membrane as soon as the concrete has hardened sufficiently to prevent the material from excessively marring the surface. The concrete shall be protected to insure that the concrete temperatures will not go below forty degrees Fahrenheit. The contractor shall erect suitable barricades and take adequate precautions to keep all traffic or other operations off the newly-laid walks for a period of not less than forty-eight hours from the completion of construction. No walks will be accepted where foot marks, depressions or other irregularities exist. 903.051 PRECAST CONCRETE SIDEWALK SPECIFICATIONS. All precast concrete sidewalks shall be laid under the following specifications: (a) Precast concrete unit pavers shall be at least two and three-eighths inches thick, have a minimum compressive strenggth of eight-thousand p.s.i. and a water absorption rate of five percent ~%) or less; top edges of the pavers shall be chamfered. All pavers shat be manufactured with cement, conforming to ASTM C-150 and aggregates conforming to ASTM C-33. (b) All precast concrete pavers shall be laid on a six-inch thick compacted sub-base and a one and one-half to two and one-half inch thick leveling base. The compacted base shall be in accordance with manufacturer's specifications or shall be graded, crushed limestone, crushed stone or crushed gravel consisting of particles zero to three-quarter inches in size. This material shalt be one hundred percent (100%) crushed with fine or dense graded aggregate. Leveling base material shall be in accordance with manufacturer's specifications or shall be coarse, graded concrete sand, conforming to ASTM C-33 for fine aggregates; mason sand shall not be used. The leveling. base shall be uncompacted and screeded. (c) Pavers shall be vibrated into the leveling base with a plate type soil compactor in three or more passes until uniformly level. The first pass shall be made with the paver Ioints open; the remaining passes shall be accompanied by simultaneous brushing of concrete sand into the joints, 903.06 DRIVEWAYS. On driveways, the specifications for concrete sidewalks shall be adhered to, except that in all concrete driveways there must be at least six inches in thickness of concrete. In addition, all driveways must be constructed to the satisfaction of the City Engineer, who is hereby given discretion where emergencies require. 903.07 NONCONFORMING SIDEWALKS. With respect to sidewalks heretofore laid within the City not in conformity with the requirements of this chapter, there is reserved to the City such rights as are granted to the City by the statutes of the State to require such walks to be relaid or repaired in conformity with the provisions of this chapter. 903.08 CUTTING OR LOWERING CURBS; FEES. Excepting the State of Ohio, Cuyahoga County or a contractor, pursuant to agreement with the City no person shall cut or lower curbs within the City other than the Division of Streets, Sewers and Sidewalks. Upon application therefor, to ether with a deposit to cover the estimated cost, and determination by the Superintendent of such Division that such. cutting or lowering of curbs as applied for will not interfere with the roper use of the street, the Division of Streets, Sewers and Sidewalks shall cut or Power curbs and charge therefor as follows: (a) For cutting a curb, the charge shall be two dollars ($2.00) per lineal foot with a minimum charge of five dollars ($5.00) under each application; (b) For lowering a curb, the charges shalt be the actual cost. to the City and the minimum deposit required shall be three dollars ($3.00) per lineal foot under each application. Costs shall be computed at the rate of wages and truck hire as Fixed by ordinances at the time the work is done. Deposits made in excess of actual cost as hereinbefore provided shall be refunded by the City to the depositor thereof upon completion and determination of the