81-80 New 903.051 - install precast concrete sidewalks

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ORDINANCE NO. 81-80 BY: Brown, Chinnock, Salmon, Wendling AN EMERGENCY ORDINANCE to supplement Chapter 903 of the Streets and Public Services Code of the Codified Ordinances of the City of Lakewood by enacting new Section 903.051 to permit the installation of precast concrete sidewalks. WHEREAS, this Council deems it to be in the best interests of the City of Lakewood to facilitate some variation and utilization of ne~ material in the design of sidewalks throughout the City by permitting the installation of precast concrete sidewalks, and WHEREAS, this ordinance constitutes an emergency measure providing for the usual daily operation of a municipal depart- ment; now, therefore, BE IT gRDAINED BY THE COUNCIL OF THE CITY OF LAKEWOOD, STATE OF OHIO: Section 1. That Chapter 903 of the Streets and Public Services Code of the Codified Ordinances of the City of Lakewood be and the same is hereby supplemented by enacting new Section 903.051 to read as follows: 903.051 PRECAST CONCRETE SIDEWALK SPECIFICATIONS. Ail precast concrete sidewalks shall be laid under the following specifications: Precast concrete unit pavers shall be at least two and three-eights inches thick, have a minimum compressiwe strength of eight-thousand p.s.i., and a water absorption rate of five percent or less; top edges of the paver~ ...... shall be chamfered. All pavers shall be manufactured with cement, conforming to ASTM C-150 and aggregates conforming to ASTM C-33. Ail 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 specifica- tions or shall be graded, crushed limestone, crushed stone or crushed gravel consisting of particles zero to three-quarter inches in size. This material shall be one-hundred percent crushed with fines 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. 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 joints open; the remaining passes shall be accompan- ied by simultaneous brushing of concrete sand into the joints. Section 2. That this ordinance is hereby declared to be an emergency measure for the reasons stated in the preamble hereof and provided it receives the affirmative vote of two-thirds of all members elected to Council, it shall take effect and be in force immediately upon its adoption and approval by the Mayor: otherwise it shall take effect and be in force from and after the earliest period allowed by law.