Shop cap concrete block (common: 4in x 8in x 16in; actual: x x ) in the concrete blocks section of
1. SCOPE This specification covers the requirements for interlocking concrete pavers manufactured for the construction of paved surfaces. Units shall not be greater than 6 1 / 2 in. (160 mm) in width, 9 1 / 2 in. (240 mm) in length or 5 1 / 2 in. (140 mm) in thickness.