For the purpose of the Washington state public works law, chapter 39.12 RCW, the work of a pile driver includes, but is not limited to:

Pile driver (pile buck).

• The preparation, aligning, plumbing, setting, stressing, testing, pulling, welding, cutting off and capping of piling of any type including steel pile and concrete pile and the splicing, barking, heading and shoeing of piling and the rigging and signaling connected with all of the above.

• Operating engineer pile driver.

• Operating any power equipment used for pile driving, such as cranes equipped with drophammers and drums and hoists on A-frame type fixed leads on floating rigs.