ANSI ASSP A10.12:1998 (2016) pdf download

ANSI ASSP A10.12:1998 (2016) pdf download.Safety Requirements for Excavation. ANSI ASSP A10.12 applies to all open excavations made in the earth’s surface that require worker and/or property protection. See Section 3, Requirements for Protection Systems. Excavations are defined to include...