(a) Standards for paving shall be as follows:
(1) For residentially zones areas the minimum pavement shall be seven-inch (7") plain concrete pavement, Ohio Department of Transportation, Item 452 or a concrete curb and gutter, two feet (2') wide, constructed according to Item 452 with an asphalt section between the gutters consisting of one and one-half inches (1½”) of Ohio Department of Highways Item 404 surface course on top of one and one-half inches (1½”) Ohio Department of Highways Item 403 intermediate course of aggregate and asphalt cement on top of eight-inch (8") course of Ohio Department of Highways Item 303 or 304 base.
(2) For other areas, the minimum pavement shall be seven-inch (7") reinforced concrete with seventy-two (72) pounds wire mesh, Ohio Department of Transportation, Item 451, 4,000 pounds per square inch minimum twenty-eight (28) day strength, and any other requirements determined by the City Engineer.
(3) Dowel baskets shall be the heavy-duty type used by the State Transportation Department for reinforced concrete pavements.
(4) Air entrainment shall be six percent (6%) plus one percent (1%); if the air entrained is less than three percent (3%), the pavement shall be replaced.
(5) The base for the seven-inch (7") pavement may be original subgrade compacted to a density of at least ninety-six percent (96%) of the maximum density. The base for the nine-inch (9") pavement shall be a three-inch (3") cushion of No.6 stone or slag. The sub-base for the nine-inch (9") pavement shall be compacted to eighty-six percent (86%) of the maximum density.
(6) Four-inch (4") drain tile shall be installed on either side of the curb to a depth of thirty-four inches (34") with No. 46 slag placed in trench for reinforced concrete pavements.
(7) Longitudinal key joints shall be No.5 tie bars, thirty inches (30") long at thirty-inch (30") centers.
(8) Isolation joints shall have seven-eighths inch (7/8") dowels, sixteen inches (16") long on twelve-inch (12") centers.
(9) The construction joint shall have seven-eighths inch (7/8") dowels, sixteen inches (16") long on twelve-inch (12") centers for reinforced concrete pavements.
(10) Contraction joints for seven-inch (7") concrete pavement need not have any dowels; contraction joints for nine-inch (9") concrete pavement shall have one and one-eighth inch (1") dowels; sixteen inches (16") long at twelve-inch (12") centers. Maximum spacing between contraction joints shall be eighteen feet (18').
(11) In the preparation of the subgrade, soft spots shall be dug out and replaced with B-19.
(12) When concrete is being placed in cold weather and temperatures may be expected to drop below forty degrees (40º) Fahrenheit, a supply of straw, hay, insulated curing blankets or other suitable material shall be provided along the line of the work. At any time when the air temperature may be expected to reach the freezing point during the day or night, the material so provided shall be spread over the concrete to a sufficient depth to prevent freezing of the concrete. Concrete shall be protected from freezing temperatures until it is at least five (5) days old.
(13) In awarding a paving contract, it would be advisable to set up special pay items for steel bars to be used across connection trenches.
(14) With respect to materials and construction procedures and other matters, the City of Bellevue paving specifications and the State of Ohio Department of Highway specifications shall control.
(b) The width of the pavement shall conform to the approved Master Street Plan or in the absence of such an approved plan, to a width set by the City Engineer.
(c) Asphalt paving is permitted for alleys and temporary roads.
(d) On existing paved streets where the pavement is to be extended to permit access to newly developed lots, the developer may install an equivalent type pavement approved by the Planning Commission and Council.
(Ord. 1-15. Passed 2-23-15.)