2.3.2
Chemically Etched Metal Plaques
2.3.2.1
Fabrication
Plaque shall be chemically [single-][double-] etched one-piece [brass]
[bronze][zinc][magnesium][_____] [0.8128] [1.6256] [3.175] [6.35] mm
[0.032] [0.064] [0.125] [0.250] inch thick.
2.3.2.2
Finish
[Single-etched raised areas shall be in [gold-tone][silver-tone]
[bronze-tone] finish and recessed areas shall be colorfilled.]
[Double-etched raised areas shall be [gold-tone][silver-tone] and recessed
textured areas shall be [gold-tone][silver-tone] colorfilled.]
2.3.3
Frost and Surface Oxidized Plaques
2.3.3.1
Fabrication
Plaque shall be frosted and surface oxidized one-piece [anodized aluminum]
[brass][bronze][stainless steel] [1.02] [3.175] mm [0.040] [0.125] inch
thick.
2.3.3.2
Finish
[Material finish shall be [satin][polished].] [Frosted areas shall be
oxidized [black for aluminum or stainless steel] [or] [black or brown, for
brass or bronze].]
2.4
DIMENSIONAL BUILDING LETTERS
**************************************************************************
NOTE: These letters are for direct application to
interior building surfaces. Drawings must show
mounting type details.
**************************************************************************
2.4.1
Fabrication
Letters shall be fabricated from [[cast aluminum][cast bronze]][[2.29]
[3.17] mm [0.090] [0.125] inch aluminum sheet][extruded aluminum]
[injection molded plastic]. Letters shall be cleaned by chemical etching
or cleaned ultrasonically in a special degreasing bath. Letters shall be
packaged for protection until installation.
2.4.2
Typeface
Typeface shall be [helvetica medium][_____].
2.4.3
Size
Letter size shall be[_____].
2.4.4
Finish
[Anodized aluminum][Baked enamel or two-component acrylic polyurethane]
[[Polished][Oxidized] bronze with clear coat] finish shall be provided.
SECTION 10440
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