WAC 296-127-01379
Terrazzo (artificial marble) workers. For the purpose of the Washington state public works law, chapter 39.12 RCW, terrazzo workers create durable and decorative
surfaces on floors, walls and ceilings.
The work includes, but is not limited to:
(1) Spreading a one-half inch mixture of sand, cement, and
water with trowel to form a base over walls, ceilings, and
concrete floors where terrazzo is to be applied.
(2) The cutting and setting of metal or wooden strips into
the terrazzo base so that the top edges form a design or pattern
and define the level of the finished floor surface.
(3) Spreading a mixture of cement terrazzo, magnasite
terrazzo, polyacrylate terrazzo, epoxy matrix terrazzo, exposed
aggregate, rustic or rough washed for the interior or exterior of
buildings, over a terrazzo base with float and trowel to form the
finished surface.
(4) Spreading of any other kind of mixture of plastics
composed of chips or granules of marble, granite, blue stone,
enamel, mother-of-pearl, quartz, ceramic colored quartz and all
other kinds of chips or granules when mixed with cement, rubber,
neoprene, vinyl, magnesium, chloride or any other resinous or
chemical substances used for seamless flooring systems, and all
other binding materials when used on any part of the interior and
exterior of buildings and on fountains, swimming pools, etc.
[Statutory Authority: Chapter 39.12 RCW, RCW 43.22.270 and 43.22.051. 00-15-077, § 296-127-01379, filed 7/19/00, effective
7/19/00.]