A231.1-99 (R2003)

1. Scope 1.1 This Standard specifies requirements for concrete paving slabs manufactured from hydraulic cement concrete to be utilized in the construction of pavement and roof coverings. The Standard includes units with architectural finishes or tactile surfaces. Note: Appendix A contains information on efflorescence and recommends methods for its removal. Appendix B provides a bibliography of information on pavement components made with precast concrete paving slabs and provides information on their installation.