Only those employees necessary for the performance of the operations shall be permitted in these areas.» A. Engineering Survey Prior to starting all demolition operations, OSHA Standard 29 CFR 1926.850(a) requires that an engineering survey of the structure must be conducted by a competent person. This plan should outline the assignments of key personnel in the event of a fire and provide an evacuation plan for workers on the site. Planning for a demolition job is as important as actually doing the work. The prominent display of adequate signs, warning against the use of mobile radio transmitters, on all roads within 1,000 feet of the blasting operations.
Category 1 Members are prestressed before the application of the superimposed loads, and all cables or tendons are fully bonded in the concrete or grouted within ducts. Therefore, all planning work should be performed by a competent person experienced in all phases of the demolition work to be performed. When the exhausts are piped outside the building, a clearance of at least six inches should be maintained between such piping and combustible material.
Explosives should not be left, kept, or stored where children, unauthorized persons, or animals have access to them, nor should they be stored in or near a residence. Eye flushing must be done with water containing no additives. Certain precautions must be taken to prevent accidental discharge of electric blasting caps from current induced by radar, radio transmitters, lightning, adjacent power lines, dust storms, or other sources of extraneous or static electricity.