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Concrete
4000 psi concrete.
1 inch maximum aggregate.
Minimum 520 pounds cement
per cubic yard.
Maximum 2-inch slump.
6 % plus/minus 1½% air.
NO fire water or other
curing accelerators.
Substrate
Minimum 4 inches of ¾
minus (3/4 of an inch in diameter or less) compacted gravel
base.
Reinforcement
Minimum number three (3/8
inch) tied rebar throughout.
Drainage
Minus 1% slope.
Curing
28 day
cure daily saturating the area with water. Minimum 7 days.
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