For the purpose of the Washington state public works law, chapter 39.12 RCW, carpet and resilient floor layers do the measuring, cutting, sewing, taping, fitting, laying and installing of oil cloth, matting, linen, carpet, synthetic turf, linoleum, vinyl, plastic, rubber, cork, mastic, asphalt, mastipave, tile and chalkboard, nonslip or abrasive materials, resilient, decorative seamless surface coatings (except terrazzo, magnesite and latex built-up floors) and all other resilient coverings on floors, walls, counters, table tops and ceilings when cemented, tacked or otherwise applied to a base, whether used as shock-absorbing, sound-absorbing, or decorative coverings.

The work includes, but is not limited to:

• Handling of the materials at the site of installation.

• Sweeping, scraping, sanding, or chipping dirt and irregularities from base surfaces and filling cracks with putty, plaster, or cement grout to form smooth, clean foundations.

• All necessary preparation work and finish work, such as drilling holes for sockets and pins, installation of underlayment, sanding and filling, fitting of metal edgings, metal corners and caps and fitting devices for attachment of such materials.

• Spreading of adhesive cement over floor to cement foundation material to the floor. Laying covering on cement. Rolling finished floor to smooth it out and press cement into base and covering.

• All the cleanup required in connection with carpet and resilient floor layers work.