prevent deterioration and contamination.
1.4
ENVIRONMENTAL REQUIREMENTS
Areas to receive terrazzo shall be maintained at a temperature above 10
degrees C 50 degrees F 24 hours prior to the time mixtures are placed and
until completely cured.
1.5
WARRANTY
Manufacturer's standard performance guarantees or warranties that extend
beyond a one-year period shall be provided.
PART 2
PRODUCTS
2.1
PORTLAND CEMENT
Portland cement shall conform to ASTM C 150, Type I, of colors required to
match NTMA Info Guide color plate indicated [on the drawings] [in Section
09915 COLOR SCHEDULE].
2.2
SAND
Sand shall conform to ASTM C 33 for fine aggregate.
2.3
MARBLE CHIPS
Marble chips shall be of domestic origin of sizes and colors required to
match NTMA Info Guide color plate indicated [on the drawings] [in Section
09915 COLOR SCHEDULE]. Marble chips shall have an abrasive hardness of not
less than 10 when tested in accordance with ASTM C 241; shall contain no
deleterious or foreign matter; and the dust content shall be less than one
percent by weight.
2.4
DIVIDER STRIPS
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NOTE: Manufacturer's literature should be reviewed
when making selections for divider strips. When
material and thickness of divider strips and color
of plastic strips vary, depending on location in the
project, material thickness and color should be
shown on the drawings and specified.
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Divider strips shall be in accordance with NTMA Info Guide and shall be 30
mm 1-1/4 inch deep, [_____] mm gauge thick and of [brass] [zinc] [plastic
in color as indicated [on the drawings] [in Section 09915 COLOR SCHEDULE]].
Standard type one-piece divider strips shall [be not lighter than 1.5 mm
No. 16 Brown & Sharpe gage thick] [be of thickness indicated]. Heavy-top
strips may be either one- or two-piece strips with a solid top section,
[not less than 6 mm 1/4 inch nor more than 10 mm 3/8 inch in depth and not
less than [3] [6] mm [1/8] [1/4] inch thick] [of thickness shown].
2.5
CONTROL JOINT STRIPS
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NOTE: Manufacturer's literature should be reviewed
when making selections for control joint strips.
SECTION 09410
Page 6
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