Or. Admin. R. 437-004-3075

Current through Register Vol. 63, No. 6, June 1, 2024

Section 437-004-3075 - Agricultural Buildings with Special Hazards

(1) Scope. These standards apply to the following agricultural buildings or parts of buildings or adjacent areas.

(a) Agricultural buildings where excessive dust and dust with water may accumulate. This includes all areas of poultry, livestock and fish confinement systems, where litter dust or feed dust, including mineral feed particles may accumulate.

(b) Agricultural buildings where a corrosive atmosphere exists. This includes areas where poultry and animal excrements may cause corrosive vapors; corrosive particles may combine with water; the area is damp and wet due to periodic washing for cleaning and sanitizing with water and cleansing agents; or where similar conditions exist.

(2) Wiring. Use types UF, NMC, copper SE, or other cables or raceways suitable for the location, with approved termination fittings. Secure all cables within 8 inches of each cabinet, box, or fitting.

(3) Enclosures. Boxes, fittings, wiring devices, switches, circuit breakers, controllers and fuses including push-buttons, relays, and similar devices must have enclosures as in (a) and (b) below.

(a) Buildings with excessive dust and dust with water must use dustproof and weather proof enclosures.

(b) Buildings with a corrosive atmosphere must use enclosures for those conditions.

(4) Motors and machines. Motors and other rotating electrical machinery must be totally enclosed or designed to minimize the entrance of dust, moisture, or corrosive particles.

(5) Lighting fixtures. Install lighting fixtures to minimize the entrance of dust, foreign matter, moisture and corrosive material.

(a) Guard lighting fixtures exposed to physical damage.

(b) Lighting fixtures exposed to water must be watertight.

Or. Admin. R. 437-004-3075

OSHA 4-1998, f. 8-28-98, cert. ef. 10-1-98

Stat. Auth.: ORS 654.025(2) & ORS 656.726(3)

Stats. Implemented: ORS 654.001 - ORS 654.295