Wash. Admin. Code § 296-17A-0108
Applies to:
Contractors engaged in the construction of ditches and canals not covered by another classification (N.O.C.).
A ditch or canal consists of a long trench dug in the ground that will remain uncovered to serve as an artificial waterway or artificially improved river such as for irrigation, drainage, or a boundary line.
Work activities include, but are not limited to:
* Digging of main irrigation canals or drainage ditches;
* Digging all laterals extending from the canal or ditch;
* Installation of pipe and making connections as needed;
* Filling or backfilling as needed.
Equipment used include, but are not limited to:
* Backhoes;
* Bulldozers;
* Dump trucks;
* Mechanical or hand tool trench diggers;
* Power shovels.
Exclusions:
* Asphalt surfacing/resurfacing is classified in 0210 or 0212; and
* Concrete construction is classified in the applicable concrete construction classification(s).
Applies to:
Contractors engaged in the construction or repair of new or existing sewer lines and systems.
Types of systems installed include, but are not limited to:
* Cesspools;
* Drainpools;
* Septic tanks including the drainfield construction;
* Sewers;
* Storm drains.
Work activities include, but are not limited to:
* Installation and maintenance of all types of storm, sanitary or sewage lines and systems;
* Excavation and trench digging;
* Leveling trenches with fill material such as sand or gravel, including filling or backfilling;
* Installation of force main type sewage work;
* Installation of storm sewer lines including the outfall construction of drain concrete boxes, catch basins, manholes, and handling and laying of pipe (regardless of the size of pipe or depth below the ground);
* Making connections.
Equipment used include, but are not limited to:
* Backhoes;
* Bulldozers;
* Dump trucks;
* Manual digging equipment;
* Power shovels;
* Trenchless or directional boring equipment.
Exclusions:
* Side sewer hookups (street to house) when performed by a plumbing contractor as part of a plumbing contract is classified in 0306;
* Sewer pipe cleaning including services engaged in line cleaning and unplugging of waste lines is classified in 0306.
Applies to:
Contractors engaged in the installation, repair or removal of underground tanks not covered by another classification (N.O.C.) such as those used to store gas or oil.
This classification makes no distinction as to the size of tank being placed or removed
Work activities include, but are not limited to:
* Excavating or digging of holes;
* Placement or removal of tank;
* Filling or backfilling.
Equipment used include, but are not limited to:
* Backhoes;
* Bulldozers;
* Dump trucks;
* Front end loaders;
* Power shovels.
Wash. Admin. Code § 296-17A-0108
Statutory Authority: RCW 51.16.035, 51.16.100, 51.04.020(1). 10-18-024, § 296-17A-0108, filed 8/24/10, effective 10/1/10. 07-01-014, recodified as § 296-17A-0108, filed 12/8/06, effective 12/8/06. Statutory Authority: RCW 51.16.035. 98-18-042, § 296-17-50602, filed 8/28/98, effective 10/1/98. Statutory Authority: RCW 51.04.020(1) and 51.16.035. 94-12-063, § 296-17-50602, filed 5/30/94, effective 6/30/94; 93-12-093, § 296-17-50602, filed 5/31/93, effective 7/1/93; 89-24-051 (Order 89-22), § 296-17-50602, filed 12/1/89, effective 1/1/90. Statutory Authority: RCW 51.16.035. 85-24-032 (Order 85-33), § 296-17-50602, filed 11/27/85, effective 1/1/86; 83-24-017 (Order 83-36), § 296-17-50602, filed 11/30/83, effective 1/1/84; 82-24-047 (Order 82-38), § 296-17-50602, filed 11/29/82, effective 1/1/83; 80-17-016 (Order 80-23), § 296-17-50602, filed 11/13/80, effective 1/1/81. Statutory Authority: RCW 51.04.030 and 51.16.035. 79-12-086 (Order 79-18), § 296-17-50602, filed 11/30/79, effective 1/1/80.