CC PACKET 04121988 - Laserfiche WebLink

Home Browse Search

Any work involving burning, welding, Hot Work riveting, or similar fire producing • operations, as well as work which produces a source of ignition, such as drilling, abrasive blasting, and space heating. em Displacent of the atmosphere by a non Inezting - reactive gas (such as nitrogen) to such an extent that the resulting atmosphere is noncombustible. A process whereby the confined space is Isolation removed from service and completely protected against the inadvertent release of material by the following: blanking off (skillet type metal blank between flanges) , misaligning sections of all stems electrical a double block and bleed System, lockout of all sources of power, and blocking or disconnecting all mec`anical linkages. Lower Fla—able Limit (LF) The minimum concentration of a combustible gas or vapor in air (usually expressed in percent by volume at sea level) , which ignite if an ignition source (sufficient ignition energy) is present. atmosphere with a partial Oxygen Deficiency Refers to an pressure of oxygen (P02) less than 132 spa Rg. Formal air at . sea level contains approximately 21% oxygen at a POY of 160 m gg. At an altitude of 5,280 feet normal air contains approximately 21% 02 at a POz. of 132 mm 'Hg Any oxygen concentration greater than 25% oxygen Enriched Atmosphere (P02 - 190 mm Hg) at norc-al atmospheric pressure. of Permissible Exposure Limit (PE1-) maximum borne 8-contamiranteigtoed average anny y airborne which an employee may be exposed.. At no time shall the exposure level exceed the ceiling concentration for that contaminant as listed in 29 CFR Part 1910 Sub Part Z. She method. by which gases, vapors, or other purging airborne impurities are displaced from a confined space. the employer, in Qualified Person A person designated by education and/or • writing, as capable (by atin specialized training) of anticipating, lecognizing, and evaluating employee