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PDFWAC 296-17A-1704

Classification 1704.

1704-02 Quarries, N.O.C.
Applies to:
Businesses engaged in quarrying to extract large solid rock from hillsides or open pits, not covered by another classification (N.O.C.).
Rocks extracted include, but are not limited to:
• Ballast rock;
• Cement rock;
• Coral rock;
• Granite;
• Limestone;
• Marble;
• Sandstone;
• Shale rock;
• Slate.
Work processes include, but are not limited to:
• Exposing rock with use of drag lines, power shovels, scrapers, or other earth moving equipment;
• Blasting large rock masses with explosives to break portions loose;
• Separating the rock into large blocks, sometimes called loafs;
• Cutting a loaf using line drilling, wire sawing, diamond wire sawing, or chiseling methods;
• Removing loafs from the quarry pit and taking them to the surface;
• All other activities on the surface of the quarry site, which could involve further cutting of the loafs or crushing of rock into smaller pieces.
Exclusions:
• Open pit mining operations are classified in 1703;
• Underground mining is classified in 1702.
[Statutory Authority: RCW 51.04.020 and 51.16.035. WSR 23-23-155, § 296-17A-1704, filed 11/21/23, effective 1/1/24. WSR 07-01-014, recodified as § 296-17A-1704, filed 12/8/06, effective 12/8/06. Statutory Authority: RCW 51.16.035. WSR 98-18-042, § 296-17-551, filed 8/28/98, effective 10/1/98; WSR 85-24-032 (Order 85-33), § 296-17-551, filed 11/27/85, effective 1/1/86; Order 73-22, § 296-17-551, filed 11/9/73, effective 1/1/74.]
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