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D. Small Pipes: For external diameters less than 6" (including insulation if any), provide full-band pipe markers, <br /> extending 360 degrees around pipe at each location,fastened by one of the following methods: <br /> 1. Snap-on application of pre-tensioned semi-rigid plastic pipe marker. <br /> 2. Adhesive lap joint in pipe marker overlap. <br /> 3. Laminated or bonded application of pipe marker to pipe(or insulation). <br /> 4. Taped to pipe(or insulation)with color-coded plastic adhesive tape,not less than 3/4"wide;full circle at both <br /> ends of pipe marker,tape lapped 1-1/2". <br /> E. Large Pipes: For external diameters of 6"and larger(including insulation if any),provide either full-band or strip- <br /> type pipe markers, but not narrower than 3 times letter height (and of required length), fastened by one of the <br /> following methods: <br /> 1. Laminated or bonded application of pipe marker to pipe(or insulation). <br /> 2. Taped to pipe (or insulation)with color-coded plastic adhesive tape, not less than 1-1/2" wide, full circle at <br /> both ends of pipe marker,tape lapped 3". <br /> 3. Strapped-to-pipe (or insulation) application of semi-rigid type, with manufacturer's standard stainless steel <br /> bands. <br /> F. Lettering: Manufacturer's standard pre-printed nomenclature which best describes piping system in each instance, <br /> as selected by Architect/Engineer in cases of variance with names as shown or specified. <br /> 2.05 PLASTIC DUCT MARKERS <br /> A. General: Provide manufacturer's standard laminated plastic, color coded duct markers. Conform to the following <br /> color code: <br /> 1. Green: Cold air. <br /> 2. Yellow. Hot air. <br /> 3. Yellow/Green: Supply air. <br /> 4. Blue: Exhaust,outside,return,and mixed air. <br /> 5. For hazardous exhausts,use colors and designs recommended by ANSI A13.1. <br /> B. Nomenclature: Include the following: <br /> 1. Direction of air flow. <br /> 2. Duct service(supply,return,exhaust,etc.). <br /> 3. Duct origin(from). <br /> 4. Duct destination(to). <br /> 5. Design cfm. <br /> 2.06 PLASTIC TAPE <br /> A. General: Provide manufacturer's standard color-coded pressure-sensitive(self-adhesive)vinyl tape,not less than 3 <br /> mils thick <br /> B. Width: Provide 1-1/2"wide tape markers on pipes with outside diameters(including insulation,if any)of less than <br /> 6",2- 1/2"wide tape for larger pipes. <br /> C. Color: Comply with ANSI A13.1,except where another color selection is indicated. <br /> 15190-3 No.99132-CP2 <br />