Document OzBgBDqLqDK1RnyEJX5E4LQbK

Boilers and Unfired Pressure Vessels FlC 18-6 -- Men entenng any confined space in boiler area should wear a lifeline and be constantly watched by man stationed outside who is wearing similar protective equipment Explosion-proof 6 volt lamp is supplied bv sealed step-down transformer in inspector's left hand Some organizations use batterv-powered lights cracking, and other defects Internal parts should be readily accessible for a close and thorough examination (Handholes and man holes should be open and the boiler should be ventilated) Adequate lighting and pro tective equipment for work in the boiler should be provided If the boiler inspector's time is improperly scheduled, excessive down time or costly remspections can result If the boiler is opened and readv at the appointed time, a list of work that should be done can be pre pared even before the inspector leaves the plant Repairs can start immediately Boiler and furnace entry precautions Ceneral precautions for entenng boilers include having proper ventilation, proper equipment, and proper protection To make certain that no flammable or toxic gases are present, ven tilate boiler settings thoroughly and then check the atmosphere with a testing instru ment before permitting anyone to enter This is especially important when more than one boiler is connected to one breeching or chim ney, because under certain circumstances flue gases can come back into the boiler from other boilers One cannot overemphasize the need for caution when men do cleaning or mainte nance on boilers A great number of injuries have occurred in this work Good vessel entry procedures and good lockout proce dures to prevent steam, hot or high pressure water, or hot gases from reaching workmen must be followed All valves that are closed must be checked for leakage Lines which are interconnected between boilers must be positively sealed off at both ends and locked out Also attention must be paid to providing 480