For the purpose of the Washington state public works law, chapter 39.12 RCW, divers perform a variety of underwater applications and operations such as structural repair and demolition, underwater welding and cutting, dredging, debris removal and excavation. Diver tenders aid and assist divers by coordinating activities. By classification, this work includes, but is not limited to:
* Descends into water with the aid of diver tender and communicates with surface by signal line or telephone; and
* Inspects docks; and hulls, fittings, and propellers of ships; or
* Repairs vessels below waterline, replacing fastenings and adding or repairing hull fittings; or
* Caulks leaks in ships or caissons; or
* Guides placement of pilings for structures, such as docks, bridges, cofferdams, oil drilling platforms, and storm water/sewerage outfalls; or
* Lays, inspects, and repairs underwater pipelines, cables and sewers, using hand tools; or
* Cuts and welds steel; uses air bladder lifting devices for working underwater; or
* Cleans debris from intake and discharge strainers; or
* Places rigging around objects and hooks rigging to crane lines; or
* Rigs explosives for underwater demolitions; or
* Places recording instruments below surface of water preparatory to underwater tests or experiments; or
* Sets sheet piling for cofferdams; or
* Drills holes in rock for blasting purposes at bottom of liquid medium; or
* Photographs underwater structures; or
* Places sandbags around pipelines or base of cofferdam to provide structural support.
* Aid and assist the diver by coordinating topside activity;
* Aid in dressing and undressing the diver;
* Maintain communications with the diver; or
* Generally maintain the diving equipment on the job site.
Wash. Admin. Code § 296-127-01316
Statutory Authority: Chapter 39.12 RCW and RCW 43.22.270. 08-23-082, § 296-127-01316, filed 11/18/08, effective 1/1/09.