Section 1605.15 - Protection of Operator(a) See Article 4, Construction Safety Orders for protection of operator from dust and airborne material.(b) The operator station of a hoisting machine shall be provided with overhead protection equivalent to tight planking not less than 2 inches thick. The support for the overhead protection shall be of equal strength.(c) The area occupied by the hoisting machine and its operator shall be protected from the elements and shall be heated in cold weather.(d) No open-flame heaters shall be allowed inside any operator's enclosure. All other types shall be properly vented.(e) Heating systems using liquefied petroleum gases shall be installed in compliance with the Unfired Pressure Vessel Safety Orders.Cal. Code Regs. Tit. 8, § 1605.15