dry) is the recognized industry standard for a
slip-resistant flooring surface. The Americans with
Disabilities Act (ADA) recommends a minimum
coefficient of friction of 0.60 (wet and dry) for
accessible routes and 0.80 (wet and dry) for ramps.
The basic durability classifications for floors are
as follows:
Class 0 - Generally not recommended for use on
floors.
Class I - Light Traffic, residential bathroom floors.
Class II - Medium-Light Traffic, residential
interiors except kitchens, stairs, landings, and
areas near exterior entries.
Class III - Medium-Heavy Traffic, all residential
applications and similar commercial applications
except areas of prevalent circulation or turning
points.
Class IV - Heavy Traffic, all residential and most
commercial applications such as public areas of
exhibition halls, shops, and schools.
Class IV Plus - Extra Heavy Traffic; walkways, food
service, etc., or where extra wear is required.
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Tile shall be standard grade conforming to ANSI A137.1. Containers shall
be grade sealed. Seals shall be marked to correspond with the marks on the
signed master grade certificate. Tile shall be impact resistant with a
minimum breaking strength for wall tile of 41 kg 90 lbs and 113 kg 250 lbs
for floor tile in accordance with ASTM C 648. Tile for cold climate
projects shall be rated frost resistant by the manufacturer as determined
by ASTM C 1026. Water absorption shall be [0.50] [_____] maximum percent
in accordance with ASTM C 373. Floor tile shall have a minimum coefficient
of friction of [0.50] [0.60] [_____] wet and dry in accordance with ASTM C
1028. Floor tile shall be Class [III-Medium Heavy][IV-Heavy] [IV
Plus-Extra Heavy] [_____] Traffic, durability classification as rated by
the manufacturer when tested in accordance with ASTM C 1027for abrasion
resistance as related to foot traffic. Color shall be [in accordance with
Section 09915 COLOR SCHEDULE] [_____].
2.1.1
Mosaic Tile
Ceramic mosaic tile and trim shall be unglazed [[natural clay] [conductive]
with cushion edges] [porcelain [unpolished] [polished] with sharply formed
face]. Tile size shall be [25 x 25 mm 1 x 1 inch] [25 x 50 mm 1 x 2 inches
] [50 x 50 mm 2 x 2 inches] [a mixture of standard sizes in a stock
pattern] [_____]. Color shall be [in accordance with Section 09915 COLOR
SCHEDULE] [_____].
2.1.2
Quarry Tile
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NOTE: Abrasive surface quarry tile will be
SECTION 09310
Page 8
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