Construction by cutting, and/or laying of all
of the following brick, block, or forms: architectural, industrial, and refractory brick,
all brick substitutes, clay and concrete blocks, terra-cotta, thin set or structural
quarry tile, glazed structural tile, gypsum tile, glass block, clay tile, copings,
natural stone, plastic refractories, and castables and any incidental works, including
the installation of shower pans, as required in construction of the masonry work.