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****** PSDS GENERATED******* <br /> D38100 Facilities Mechanical Standards D38106-501 <br /> 501.4.2 Special Cases <br /> In specialized use areas, such as boiler plants, compressor plants, or laboratories, <br /> special pipe painting and/or identification schemes which deviate from this standard may <br /> be used provided that such schemes are documented and posted. Training shall be <br /> provided to all personnel that access such areas. <br /> In boiler and compressor plants all of the requirements noted in preceding sections of this <br /> standard shall apply except that the entire length of the piping shall be painted with the <br /> color specified for the color field of the label. Note that this is in addition to the labeling <br /> requirements. <br /> In double containment systems the exact location of leak detection sensors shall be <br /> clearly indicated at the monitoring panel and shown on piping drawings. <br /> Oxygen piping in all areas shall be painted safety green,full length, in addition to the <br /> standard legend and color field. <br /> Aviation fuel piping in tank farm areas shall be coded as specified in Military Standard <br /> 161. <br /> 501.4.3 Label Dimensions and Colors <br /> Required length of color field and size of legend lettering for pipe labels. <br /> Outside Length Size <br /> Diameter of Color of <br /> of Pipe Field Letters. <br /> 3/4 inch to 1 —1/4 inch 8 inch 1/2 inch <br /> 1 —1/2 inch to 2 inch 8 inch 3/4 inch <br /> 2—1/2 inch to 6 inch 12 inch 1 —1/4 inch <br /> ' 8 inch to 10 inch 24 inch 1 —1/2 inch <br /> Over 10 inch 32 inch 3—1/2 inch <br /> See ASME A13.1-1996 Standard 13.1 for more information. <br /> NOTE: See Section 501.4.1 where pipe size is to small to stencil a readable legend or <br /> affix a printed band. <br /> REV D 13—MAY-1999 BOE/NC Page 501-4 <br />