scope:

This Specification provides requirements for the construction of pervious concrete pavement. 

If the requirements of this Specification conflict with the Contract Documents, the Contract Documents shall govern. 

Values in this Specification are stated in SI units. A companion Specification in inch-pound units is also available. 

Plus (+) tolerance increases the amount or dimension to which it applies, or raises a deviation from level. Minus (-) tolerance decreases the amount or dimension to which it applies, or lowers a deviation from level. Where only one signed tolerance is specified (+ or -), there is no specified tolerance in the opposing direction.