1703-01 Open cut mining - All types; placer or hydraulic mining

Applies to:

All types of open cut mining, also commonly referred to as surface mining, open pit mining, or strip mining, whereby ores and minerals are extracted from a large hole or pit on the surface.

Materials extracted include, but are not limited to:

• All types of ore;

• Asbestos;

• Asphalt;

• Chalk;

• Graphite;

• Gypsum;

• Mica;

• Phosphate rock;

• Talc.

Work activities include, but are not limited to:

• Excavating and stripping the surface material with use of drag lines, power shovels or earth moving equipment.

• Loading products onto dump trucks or belt conveyors for movement to railroad sidings.

• Loading into ore cars for shipment to processing plants.

• Hydraulic mining – Material is excavated by moving a stream of high pressure water over the mining face.

• Placer mining – Obtains minerals from placers by use of running water such as on a stream or the shoreline.

Equipment used include, but are not limited to:

• Bulldozers;

• Compressors;

• Conveyors;

• Drag lines;

• Pneumatic drilling rigs;

• Scrapers;

• Shovels;

• Trucks.

Exclusions:

• Underground mining is classified in 1702;

• Quarrying is classified in 1704.

[Statutory Authority: RCW 51.04.020 and 51.16.035. WSR 23-23-155, § 296-17A-1703, filed 11/21/23, effective 1/1/24. WSR 07-01-014, recodified as § 296-17A-1703, filed 12/8/06, effective 12/8/06. Statutory Authority: RCW 51.16.035. WSR 98-18-042, § 296-17-550, filed 8/28/98, effective 10/1/98; WSR 85-24-032 (Order 85-33), § 296-17-550, filed 11/27/85, effective 1/1/86; Order 75-38, § 296-17-550, filed 11/24/75, effective 1/1/76; Order 73-22, § 296-17-550, filed 11/9/73, effective 1/1/74.]

PDFWAC 296-17A-1703

Classification 1703.