WA State Plumbing and Pipefitting Industry Pension Plan is a multi-employer defined benefit union pension fund based in Seattle, Washington. Established in 1962, the plan covers all employees who work under collective bargaining agreements contributing employers and Local 32, Local 598, and the Plumbing and Pipefitting Council of the Northwest. The trustee or fund manager determines the fair value of the fund's underlying investments. The assets of the pension fund are managed by the executive management team.