(A) Type I pavement construction shall be required for primary and secondary thoroughfares and parkways, shall have an eight-inch uniform thickness, shall be air-entrained and every cubic yard in place shall contain no less than 564 pounds of cement.
(B) Type II pavement construction shall be required for collector and minor streets, shall have a six-inch uniform thickness, shall be air entrained and every cubic yard in place shall contain no less than 564 pounds of cement.
(C) Joint requirements are as follows.
(1) Transverse contraction joints (pre-molded strip or sawed) shall be placed at distances not to exceed 20 feet.
(2) Transverse expansion joints shall be placed at intersections where new slabs abut old slabs and where indicated on the approved plans.
(3) Longitudinal construction joints shall be placed in all pavements more than one traffic lane in width.
(4) No two transverse joints of any kind shall be permitted within ten feet of one another.
(D) Consolidation, finishing and strike-off.
(1) The batches shall be deposited so as to require as little re-handling as possible, but necessary hand spreading shall be done with shovels not with rakes.
(2) After the concrete has been deposited, it shall be compacted, leveled and finished by approved methods. Competent concrete finishers shall be employed at all times to finish, test and check the pavement surface. The finished surface shall be free from porous spots, irregularities, depression pockets or rough spots.
(3) The sequence of operation shall be consolidation and strike-off, longitudinal floating, checking and removal of laitance, final finish and curing.
(E) Curing pavement provision shall be made for maintaining concrete in a moist condition for four days. In lieu of moist curing, an approved impervious membrane cure may be used.
(F) Sealing cracks and joints: refer to § 501.19.
(1982 Code, § 55.147) (Ord. passed 4-21-1993; Ord. passed 7-25-2001)