0504-06 Waterproofing, N.O.C.: Buildings or structures

Applies to:

Businesses engaged in waterproofing buildings or structures not covered by another classification (N.O.C.) regardless of the height of the building or structure.

Structures waterproofed may include, but are not limited to:

• Decks;

• Driveways;

• Fences;

• Floors;

• Foundations and foundation walls;

• Walkways;

• Walls.

Surfaces waterproofed may include, but are not limited to:

• Asphalt;

• Concrete;

• Metal;

• Plaster;

• Steel;

• Stone;

• Wood.

Waterproof processes may include:

• Membrane, which adheres long strips of rubber and pumice to exterior walls or foundations with the use of primer;

• Pressure injection, which uses a long wand inserted into the material to fill cracks;

• Epoxy injection, which uses a caulk gun to inject a silicon material into cracks and is performed on the interior or exterior of the building or structure;

• Application with use of a brush, roller, or spray directly onto the surface of the material.

Exclusions:

• Excavation work performed in conjunction with a waterproofing contract is classified in 0101;

Special note: If excavation work is performed (to remove dirt away from a foundation wall or to push it against the wall after the waterproofing material is applied) classification 0101 applies, regardless of the type of contractor performing the excavation work.

• Waterproofing operations performed in connection with roofing or subaqueous work are classified in the classification applicable to the work being performed;

• Worker hours engaged in the application of asphalt sealant or waterproof materials to roadways and parking lots are reported separately in classification 0219;

• Filling cracks or voids with like materials is classified in the classification applicable to the repair work being performed; and

• The application of waterproof materials performed by a concrete contractor as part of the concrete construction project is classified in the classification applicable to the work being performed.

Note:

For rules on assigning and reporting in more than one basic classification, see WAC 296-17-31017 Multiple classifications.

0504-18 Pressure washing services or sandblasting, N.O.C.: Buildings or structures

Applies to:

Businesses engaged in pressure washing or sandblasting buildings or structures, not covered by another classification (N.O.C.).

Work activities include, but are not limited to:

• Pressure washing, which involves a forced spray of air and water;

• Sandblasting, or abrasive blasting, which involves a forced spray of sand, steel, or glass;

• On multistory buildings: Cleaning roofs, gutters, and downspouts; and removal of moss or snow;

• Other incidental cleaning or washing.

Materials removed include, but are not limited to:

• Dirt;

• Moss;

• Old paint;

• Rust.

Exclusions:

• Worker hours engaged in multimedia blasting in a shop are reported separately in classification 3402;

• Pressure washing or sandblasting by a painting contractor as a part of the preparation for painting exterior buildings, structures, or the interior/exterior of tanks is classified in 0504-21;

• Pressure washing as a part of interior building painting contracts is classified in 0521;

• Worker hours engaged in cleaning or washing roofs of single story buildings or removing moss or snow from, single story buildings (when the cleaning or washing is not part of a painting or roofing contract) are reported separately in classification 6602;

• Waterproofing buildings or structures, N.O.C. is classified in 0504-06;

• Pressure washing or sandblasting operations performed in conjunction with and as a part of another type of business such as a foundry, metal goods manufacturer, auto body repair shop, etc., is classified in the applicable classification.

Note:

For rules on assigning and reporting in more than one basic classification, see WAC 296-17-31017 Multiple classifications.

0504-20 Lead abatement

Applies to:

Businesses engaged in lead abatement performed on structures where there are significant amounts of lead-based paint and lead dust.

Work activities include, but are not limited to:

• Must comply with various governmental regulations;

• Preliminary testing of the site to determine the presence of lead and the extent of the contamination;

• Determine which abatement procedure is right for the project;

• Perform abatement procedure;

• All preparation and all cleanup work.

Abatement procedures may include:

• Encapsulation, which is used on interior surfaces to seal the lead-based paint with a bonding material;

• Enclosure, which is used on interior and exterior surfaces and involves constructing special airtight enclosures made out of gypsum wallboard, plywood paneling, aluminum, vinyl, or wood exterior sidings;

• Component replacement, which involves removing building components such as paneling, moldings, windows, and doors which are coated with lead-based paint and replacing them with new components;

• Chemical removal, abrasive removal, or hand scraping, which are methods to physically remove the lead paint.

Exclusions:

• Worker hours engaged in soil remediation work are reported separately in classification 0101;

• Worker hours engaged in asbestos abatement are reported separately in classification 0512;

• Lead abatement as part of a painting contract for interior/exterior of buildings or structures, or the interior/exterior of tanks is classified in the applicable classification.

Note:

For rules on assigning and reporting in more than one basic classification, see WAC 296-17-31017 Multiple classifications.

0504-21 Painting: Exterior buildings or structures, N.O.C.: Cleaning: Interior/exterior of oil or gas storage tanks, beer vats, and sewage treatment tanks

Applies to:

Businesses engaged in painting the exterior of all types of buildings or structures not covered by another classification (N.O.C.), regardless of height, including cleaning, coating, or painting the interior/exterior of oil or gas storage tanks, beer vats, or sewage treatment tanks.

Buildings and structures include, but are not limited to:

• Bridges;

• Churches;

• Factories;

• Residential or commercial buildings;

• Single or multiple story buildings;

• Smokestacks;

• Stadiums;

• Stores;

• Towers;

• Warehouses.

Work activities include, but are not limited to:

• Applying paint by brush, roller, or spray to a variety of surfaces such as wood, concrete, steel, metal, plaster, stone, or other types of exterior surfaces;

• All preparation work;

• Set up of scaffolding or power lifts;

• Pressure washing;

• Removal of old paint or asbestos;

• Sandblasting;

• Taping or masking;

• Cleanup work.

Exclusions:

• Contractors engaged in waterproofing buildings or structures, N.O.C. are classified in 0504-06;

• Pressure washing services or sandblasting of buildings or structures are classified in 0504-18;

• Interior painting of buildings is classified in 0521;

• Painting of murals or other artwork on the interior of buildings is classified in 4109;

• Painting of murals or other artwork on the exterior of buildings is classified in 0403.

Note:

See asbestos certification and training requirements at www.lni.wa.gov. For rules on assigning and reporting in more than one basic classification, see WAC 296-17-31017 Multiple classifications.

PDFWAC 296-17A-0504

Classification 0504.