Wash. Admin. Code § 296-835-12015

Current through Register Vol. 24-23, December 1, 2024

Section 296-835-12015 - Provide bottom drains

Exemption: A bottom drain is not required if:

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

2. The dip tank has an automatic closing cover that meets the requirements of WAC 296-835-12025.

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

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

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

Wash. Admin. Code § 296-835-12015

Amended by WSR 17-18-075, Filed 9/5/2017, effective 10/6/2017

Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 07-03-163, § 296-835-12015, filed 1/24/07, effective 4/1/07. Statutory Authority: RCW 49.17.010,[49.17].040, and [49.17].050. 02-15-102, § 296-835-12015, filed 7/17/02, effective 10/1/02.