Document KJzk4GVMvdzbrvQk1oV7eMa8x

4 Take precautions to keep workmen who are under the influence of liquor or in poor physical health from working on the job 5 Do not allow men to work on freshly painted steel construction that is still wet, or is slippery for any other reason 6 Have workmen wear goggles while cut ting out nvets, chipping, and doing simi lar work Keep adiacent areas clear of personnel or screen such operations 7 When men must throw nvets across shaftways or toward the outside of a building, install screens of wire mesh or flameproof tarpaulins, to protect the public and other workmen 8 Where it is impractical to provide tempo rary floors, suspend safety nets below points where men are working, or have the men wear safety belts (See NSC Data Sheet 608, Safety Nets for Construc tion Projects ) 9 Where guy cables or braces are used to hold steel during erection, be sure they are guarded to prevent trucks or other equipment from hooking into them and pulling the steel down Torches and salamanders Gasoline blowtorches and plumbers' fur naces involve the hazards of fire and explo sion Safer equipment should be used, if possible, such as electric soldenng irons, electrically heated paint remover irons, elec tric glue pots, and other electric heating devices Proper gas or oil space heaters listed bv Underwriters' Laboratories are recommended for use m combustible areas Where flammable or explosive dust or vapors may be present, such torches or fur naces should be used in accordance with local or other laws and regulations The storage and handling of gasoline pre sent a hazard m addition to the fire and ex plosion risks of the torches or furnaces them selves This hazard can be minimized by careful observance of the requirements for storage and handling of flammable liquids described in NFPA Standard No 30, Flam mable and Combustible Liquids Code Salamanders and other types of portable heaters are widely used in severe weather to protect masonrv, concrete, and plaster from freezing and to provide warmth for the work- Fig 17-5 -- Salamander stand provides stability and protection against contact with the hot surface An upset salamander can spill burning liquid on people below men Gas- or oil-fired, electric, steam, or remotely located heaters with conducted hot air are preferable to solid fuel-burning sala manders Salamanders should not be used in con fined or unventilated spaces unless vented to the outside Improperly installed salaman ders and other open-flame heaters are partic ularly dangerous in tool sheds, shanties, and other small enclosed areas because they can give off large amounts of carbon monoxide, as well as consume much oxygen Hazards exist from flames and sparks when solid fuel-burning salamanders are used, and from glowing carbon deposits when impro perly burning fuel oil salamanders are used Horizontal clearance between salamanders and combustible solids should be at least 2V ft, and overhead clearance should be at least 6ft Salamanders should be kept at least 10 ft away from tarpaulins or canvas or plastic 433