PDFWAC 296-99-080

How must continuous-flow bulk raw grain dryers be equipped and installed?

(1) You must ensure that all direct-heat grain dryers have automatic controls that:
(a) Shut off the fuel supply in case of power, flame, or ventilation airflow shutoff; and
(b) Stop the grain flow into the dryer if the dryer exhaust gets too hot.
(2) You must ensure that each direct-heat grain dryer installed after March 30, 1988, is:
(a) Located outside the grain elevator; or
(b) When located inside the grain elevator, protected by a fire or explosion suppression system; or
(c) Isolated by a structure with at least a one hour fire-resistance rating.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-99-080, filed 8/1/17, effective 9/1/17. Statutory Authority: Chapter 49.17 RCW. WSR 97-22-065, § 296-99-080, filed 11/3/97, effective 1/1/98; WSR 88-23-054 (Order 88-25), § 296-99-080, filed 11/14/88.]