Wash. Admin. Code § 296-307-45515

Current through Register Vol. 24-21, November 1, 2024

Section 296-307-45515 - Provide bottom drains

Exemption:

A bottom dram is not required if:

1. The viscosity of the liquid makes it impractical to empty the tank by gravity or pumping

2. The dip tank has an automatic closing cover that meets the requirements of WAC 296-307-45530

(1) The employer must provide a bottom drain on all dip tanks that hold more than five hundred gallons of liquid^

(2) The employer must make sure the bottom drain:

(a) Is properly trapped;

(b) Will empty the dip tank during a fire;

(c) Has pipes large enough to empty the tank within five minutes;

(d) Uses automatic pumps if gravity draining is not practical;

(e) Is capable of both manual and automatic operation;

(f) Discharges to a safe location.

Note:

Discharges to a safe location could be a:

1. Safe location outside the building;

2. Closed, properly vented salvage tank or tanks that can hold more than the dip tank.

(3) The employer must make sure manual operation of the bottom drain is performed from a safe and easily accessible location.

Wash. Admin. Code § 296-307-45515

Amended by WSR 20-21-091, Filed 10/20/2020, effective 11/20/2020

Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 03-10-068, § 296-307-45515, filed 5/6/03, effective 8/1/03.