interior surfaces. Contractor shall furnish finish paint of type and color
specified by the Contracting Officer.
2.12.4.3
Nameplates
Fabricate nameplates from laminated white phenolic plastic with black
engraved letters. Size of nameplates shall be 40 mm high and 150 mm long 1
1/2 inches high and 6 inches long for "Master" nameplates, with 10 mm 3/8
inch letters. Individual device nameplates shall be 20 mm high and 80 mm
long with 3 mm 3/4 inch high and 3 inches long with 1/8 inch broad letters.
Engrave designations as required later by the Contracting Officer.
Nameplates shall be attached by permanent adhesive or screws.
Self-adhesive, embossed plastic label tape is not acceptable. Fabricated
bezels shall be laminated phenolic plastic with beveled edges, brushed
aluminum or as approved by the Contracting Officer.
2.12.4.4
Graphics
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NOTE: Refer to paragraph entitled "SPRAY DRYER
ABSORBERS."
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Provide the FGD system panelboard with a graphic subpanel to pictorially
describe the flue gas cleaning system process to the operator. Graphic
shall include pipelines, pumps, fans, equipment, tanks, vessels, valves,
and dampers that are part of the process, with indicating lights and
control switches located adjacent to the corresponding graphic equipment
symbols. The graphic shall include the flue gas flow path for each of the
[_____] spray dryer absorber and fabric filter baghouse systems. The
graphic subpanel shall be provided with switches, indicating lights and
other devices as required to control and display the status of the
equipment. Indications provided shall include at least the operating
status of the equipment. Indications provided shall include at least the
operating status (running or stopped) of each pump, fan and other driven
equipment and the position (open and closed) of each valve and damper.
Graphic laminated acrylic symbols on a base of solid acrylic sheeting or
panels shall be constructed of laminated phenolic. Acrylic sheeting shall
be supported by the metal panel surface continuously. Laminated phenolic
may be used as a subpanel. Base sheet shall be 6 mm 1/4 inch thick for
phenolic, 5 mm 3/16 inch for acrylic. Color will be selected later from
manufacturer's standard colors. Provide smoothly finished openings
accurately sized for indicating lights, switches, meters, and oversized
openings in panel metal behind acrylic sheeting. Attach base sheet with
mechanical fasteners which allow for expansion and contraction of the base.
Finish the edge between graphic base sheet and panel surfaces with a
brushed stainless-steel trim. Graphic symbols, flow lines, nameplates
shall be:
a.
Material:
Laminated acrylic sheeting.
b.
Thickness: Equipment symbols, flow arrows, and nameplates (10 mm
(0.40 inch; flow lines: 0.51 mm 0.020 inch).
c.
Color: Solid white core with colored satin finish overlay.
Colors will be selected later from manufacturer's standard colors.
d.
Engraving: Engrave through colored overlay to expose solid core.
Cut laminate with beveled edges (except flow lines) to expose
SECTION 15864N
Page 90
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