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PDFWAC 296-17A-0103

Classification 0103.

0103-09 Drilling or blasting: N.O.C.
Applies to:
• Businesses engaged in drilling operations for others not covered by another classification (N.O.C.); and
• Blasting operations not covered by another classification (such as the blasting of rock in connection with highway, street, or road construction).
Types of drilling include, but are not limited to:
• Drilling of holes in rock for shot holes;
• Exploratory well drilling; and
• Well drilling for oil, gas, or water.
Work activities include, but are not limited to:
• Digging holes using equipment.
Equipment used include, but are not limited to:
• Auger drills;
• Bits (size will vary depending upon the terrain or material to be drilled and the depth and size of holes to be drilled);
• Drilling rigs; and
• Jackhammers.
Exclusions:
• Drilling operations performed in connection with concrete or building construction is classified in the construction classification applicable for the work being performed;
• Drilling done in connection with all types of underground or surface mining and quarry operations is classified in the applicable mining classification;
• Blasting performed as part of building demolition is classified in 0518; and
• Pile construction is classified in:
0202-02, Pile construction: Driven method; or
0202-06, Pile construction: Drilled method.
0103-10 Geophysical exploration: Seismic detection of the mechanical properties of the earth
Applies to:
Businesses engaged in geophysical exploration, by seismic detection, of the earth's subsurface.
Work crew occupations include, but are not limited to:
• Computer analyst;
• Drillers;
• Observers;
• Permit person;
• Shooters;
• Surveyors; and
• Party chief.
Work activities include, but are not limited to:
• Using the seismic detection method - dynamite blasts simulate miniature earthquakes. Earthquake detectors record the vibrations.
• Taking photographic records.
• Interpreting the data collected to develop a contour map of the rocks and their foundation, often to depths of several thousand feet.
Exclusion:
• Geophysical exploration without seismic detection is classified in 1007.
[Statutory Authority: RCW 51.04.020 and 51.16.035. WSR 23-23-155, § 296-17A-0103, filed 11/21/23, effective 1/1/24; WSR 19-17-069, § 296-17A-0103, filed 8/20/19, effective 10/1/19. WSR 07-01-014, recodified as § 296-17A-0103, filed 12/8/06, effective 12/8/06. Statutory Authority: RCW 51.16.035, 51.16.100. WSR 05-23-161, § 296-17-503, filed 11/22/05, effective 1/1/06. Statutory Authority: RCW 51.16.035. WSR 98-18-042, § 296-17-503, filed 8/28/98, effective 10/1/98; WSR 96-12-039, § 296-17-503, filed 5/31/96, effective 7/1/96. Statutory Authority: RCW 51.16.035. WSR 85-24-032 (Order 85-33), § 296-17-503, filed 11/27/85, effective 1/1/86; WSR 85-06-026 (Order 85-7), § 296-17-503, filed 2/28/85, effective 4/1/85; WSR 83-24-017 (Order 83-36), § 296-17-503, filed 11/30/83, effective 1/1/84; Order 74-40, § 296-17-503, filed 11/27/74, effective 1/1/75; Order 73-22, § 296-17-503, filed 11/9/73, effective 1/1/74.]
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