505.1DESCRIPTION—This work is construction of reinforced cement concrete approach slabs and associated
sleeper slabs, including the subbase material and necessary excavation.
505.2MATERIAL—
505.3CONSTRUCTION—As shown on the Standard Drawings, approved Contract Drawings, as specified
in Section 501.3, except Section 501.3(l), and as follows:
a geosynthetic stabilized subbase as shown in the GSBA Standard Drawings.
breaker under bridge approach slabs. Provide surface that is smooth without excessive depth of sheeting. Install any seams in the longitudinal direction of the bridge and overlap seams a minimum of 12 inches. Provide certification from the manufacturer concerning the above material requirements.
and as follows: Water cure bridge approach slabs for a minimum of 7 days. Use covers of a double thickness of burlap.
505.4MEASUREMENT AND PAYMENT—
The price includes excavation, subbase material, polyethylene sheeting, asphalt impregnated paper, cement concrete, and reinforcement bars.
BRIDGE APPROACH SLABS in other states
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