This standard is applicable to the installation, modification, and major maintenance supervision and inspection of explosion-proof cranes used in Class II explosive mixed gas and vapor environments and Class III explosive dust and fiber environments and included in the "Special Equipment Catalog" for installation supervision and inspection.
DB34/T 1490-2011 Referenced Document
GB 12476.1-2000 Electrical apparatus for use in the presence of combustible dust--Part 1-1: Electrical apparatus protected by enclosures and surface temperature limitation-Specification for apparatus
GB 15577-2007 Safety regulations for dust explosion prevention and protection
GB 3836.2-2010 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB 3836.3-2010 Explosive atmospheres.Part 3:Equipment protection by increased safety "e"
GB 3836.4-2010 Explosive atmospheres.Part 4:Equipment protection by intrinsic safety "i"
GB 50058-1992 Specifications for the design of electric systems in places with explosion and fire
GB 50257-1996 Code for construction and acceptance of electric device for explosion atmospheres and fire hazard electrical equipment installation engineering
GB 6067.1-2010 Safety rules for lifting appliances.Part 1:General