Aerialways; | Aerospace facilities and structures; |
Air and cable supported structures; | Amphitheaters; |
Amusement park structures and rides; | Aqueducts; |
Artistic and monumental structures; | Atriums; |
Auditoriums; | Balconies; |
Billboards; | Bins; |
Bridges; | Canopies; |
Car dumpers; | Catwalks; |
Chemical process structures; | Conveyor supports and related framing; |
Conveyor systems; | Cranes and craneways; |
Curtain walls; | Draft curtains; |
Elevator fronts; | Energy exploration structures; |
Energy production, transfer and storage structures and facilities; | Entrances; |
Fire containment structures; | Fire escapes; |
Furnaces; | Geodesic domes; |
Hi-bay structures; | Hoppers; |
Industrial structures; | Lift slab/tilt-up structures; |
Light towers; | Malls; |
Metal roofs; | Mills; |
Monorails; | Ovens; |
Overpasses; | Penthouses; |
Platforms; | Power plants; |
Racks and rack support structures and frames; | Radar and communication structures; |
Rail, marine and other transportation structures; | Scoreboards; |
Signage; | Single and multistory buildings; |
Skylights; | Sound barriers; |
Space frames; | Stackers/reclaimers; |
Stacks; | Stadiums; |
Stair towers; | Stairways; |
Store fronts; | Systems-engineered metal buildings; |
Trestles; | Underpasses; |
Viaducts; | Water process and water containment structures; and |
Window walls. |
. Hoisting, laying out, placing, connecting, welding, burning, guying, bracing, bolting, plumbing and rigging of structural steel, steel joists, and metal buildings; and
. Installing metal decking, curtain walls, window walls, siding systems, miscellaneous metals, ornamental iron and similar materials.
Anchoring devices; | Building equipment; |
Building specialties; | Cable stays; |
Castings; | Cold formed steel framing; |
Column covers; | Conveying systems; |
Crane rails and accessories; | Detention or security equipment and doors, windows and hardware; |
Doors; windows; | Elevator beams; |
Enclosures and pockets; | Falsework for temporary supports of permanent steel members; |
Fascias; | Fences and gates; |
Ferrous metals and alloys; | Floor plates; |
Gaskets; | Glass; |
Gratings; | Grillage; |
Handrails; | Hardware; |
Hydraulic structures; | Joint fillers; |
Ladders; | Louvers; |
Metal decking and raceway systems and accessories; | Metal panels and panel wall systems; |
Metal roofing and accessories; | Metal siding; bridge flooring; |
Miscellaneous, architectural and ornamental metals and metal work; | Multipurpose supports; |
Nonferrous metals and alloys; | Ornamental iron work, expansion control including bridge expansion joint assemblies; |
Penthouse enclosures; | Perforated metals; |
Permanent and temporary bents and towers; | Plastics and synthetic composite materials; |
Railings; | Rigging, hoisting, laying out, placing, connecting, guying, bracing, dismantling, burning, welding, bolting, grinding, sealing, caulking, and all related activities for construction, alteration and/or repair of materials and assemblies such as structural steel; |
Safety systems for steel erection; | Sealants and seals; |
Sheet metal fabrications; | Shelf racks; |
Skylights; | Slide bearings; |
Soffit panels; | Stairs; |
Steel and metal joists; | Stone and other nonprecast concrete architectural materials mounted on steel frames; |
Structural cabling; | Structural metal framing and related bracing and assemblies; and |
Trench covers. |
Wash. Admin. Code § 296-155-701
Statutory Authority: RCW 49.17.010, [49.17].040, and[49.17].050 . 02-13-115, § 296-155-701, filed 6/19/02, effective 9/1/02.