All sidewalk driveway and driveway apron materials shall comply with the following standards of quality:
Portland Cement: ASTM C150 Type I, Norman
ASTM C150 Type II, High-Early-Strength
Fine Aggregate: ASTM C33, clean sand graded between #100 and #4 sieve limits.
Coarse Aggregate: ASTM C33, uncoated crushed stone or washed gravel. Slag shall not be permitted.
Water: Potable and fit to drink.
Water-Reducing Admixture: ASTM C494 Type (normal) or Type D (retarder).
Air Entraining Agent: ASTM C260
Premolded Filler Strips: ASTM D994
Curring Compound: ASTM C309, Type 2 (white, pigmented)
Reinforcement: ASTM A615, Grade 40.