Document gb29Roypyyen1dmrzQR7R2emJ

16--Industrial Buildings and Plant Layout shipping, or consumer protection In sum mary they are as follows Red identifies fire protection equipment, danger, and emergency stops on machines Yellow is the standard color for (a) mark ing hazards that may result m accidents from slipping, falling, striking against, etc, (b) flammable liquid stoiage cabinets, (c) a band on led safety cans, (d) materials handling equipment, such as lift trucks, (e) radiation hazard areas or containers (AEC still requires purple), and (/) warnings against starting or moving equipment Blade stnpes or "checker board" patterns can be used Green designates the location of first aid and safety equipment (other than fire fighting equipment) (Also see blue, below ) Black and white and combinations of them in stnpes or checks are used foi house keeping and traffic markings They are also permitted as contrast colors Orance is the standard color to highlight dangerous parts of machines or energized equipment, such as exposed edges of cutting devices and the inside of (a) movable guards and enclosure doors, and (b) transmission guaids Blue is used on informational signs and bulletin boards not of a safety nature (If of a safety nature, use green ) Has raihoad uses Reddish-purple identifies radiation liazaids, check AEC regulations The piping in a plant may carry harmless, valuable, or dangerous contents, and there fore it is highly desirable to identify different piping systems American National Standaid A13 1, Scheme for Identification of Piping Systems, specifies standard colors for identify ing pipelines and describes methods of apply ing these colors to the lines The contents of pipelines aie classified Classification Fire protection Dangerous Safe Protective materials (eg, inerting gases) Color Red Yellow Green Bright blue The proper color may be applied to the entire length of the pipe or in bands 8 to 10 in wide near valves, pumps, and at repeated intervals along the line The name of the specific mateual is stenciled in black at readdy visible locations such as valves and pumps Piping less than in diameter is identified by enamel-on-metal tags The code also recommends highly resistant colored substances for use where acids and other chemicals may affect paints Accident prevention signs Accident prevention signs (Fig 16-5) are among the most widely used safety measures m mdustiy so that uniformity in the color and design of signs is essential Employees may be unable to speak English or may be color blind and yet leact correctly to standard signs ANSI Z35 1, Specifications for Industrial Acci dent Prevention Signs, should be referred to The following is a digest of requirements Dancer--Immediate and grave danger or peril Red oval in top panel, black or led lettering in lower panel Caution--Against lessei hazards Yellow background color, black lettering General safety--Green background on upper panel, black or green lettering on white background on lower panel Fire and emergency--White letteis on led background Optional for lower panel led on white background Information--See Blue at left In-plant vehicle traffic--Standaid high way signs (ANSI D6 1) E\it marking--See NFPA Life Safety Code, section 5-11 Building Structures Stairs, mnways, ramps and other access stiuctures aie principal sources of injuries One-fifth of all industrial injuiies result from falls, and of those that take place from one level to anothei, the hugest numbei occurs from stairs and ladders (See Chapter 17, "Building Construction and Maintenance ") Many serious injuries can be prevented by 386