ASME B30.13-2003 pdf download.STORAGE/RETRIEVAL (S/R) MACHINES AND ASSOCIATED EQUIPMENT. (b) The cab shall be clear of all fixed structures within its area of possible movement. 13-1.4.2 Cab Construction (a) The cab interior construction should protect the operator from knobs, edges, or corners in the event of sudden crane accelerations or decelerations. (b) The cab should be constructed and installed to...