This specification covers construction of earth-supported cast-in-place concrete pipe (CIPCP). This specification covers construction of CIPCP with a diameter up to 120 in. The Architect/Engineer can make this specification applicable to any project by citing it in the Project Specification. Supplements can be made by designating or specifying individual project requirements as needed. This document must be used in conjunction with ACI 301. Inclusion of this document in a Project Specification, with mandatory checklist items, will provide necessary default values for mandatory checklist items in ACI 301.