§ 59-36. Lumberyards and woodworking plants.

A. 

Permit required. No person shall store in excess of 100,000 board feet of lumber without a permit.

B. 

Open yard storage.

(1) 

Lumber shall be piled with due regard to stability of piles and in no case higher than 20 feet.

(2) 

Driveways between and around lumber piles shall be at least 15 feet wide and maintained free from accumulation of rubbish, equipment or other articles or materials. Driveways shall be so spaced that a maximum grid system unit of 50 feet by 150 feet is produced.

(3) 

Permanent lumber storage, operating under a permit, shall be surrounded with a suitable fence at least four feet high, unless storage is within a building.

C. 

Operational fire hazards in lumberyards.

(1) 

The burning of shavings, sawdust and refuse materials shall be permitted only under boilers, in furnaces or in incinerators or refuse burners safely constructed and located. Stacks shall be provided with approved spark arresters having openings of not greater than 3/4 inch or other effective means provided which will eliminate the danger from sparks, such as an expansion chamber, baffle walls or other effective arrangement. At boiler or other points where sawdust or shavings are used as fuel, a storage bin of noncombustible construction with raised sill shall be provided.

(2) 

Smoking shall be prohibited except in specified safe locations in buildings. Large "No Smoking" signs shall be painted on exterior building walls and on signs erected at driveway edges. "No Smoking" signs shall be posted throughout all buildings, except in specific locations designated as safe for smoking purposes.

D. 

Woodworking plants.

(1) 

Sawmills, planing mills and other woodworking plants shall be equipped with refuse removal systems which will collect and remove sawdust and shavings as produced; or suitable metal or metal-lined bins provided with normally closed covers or automatically closing doors shall be installed at or near such machines, and shavings and sawdust shall be swept up and deposited in such bins at sufficiently frequent intervals as to keep the premises clean.

(2) 

Fire-fighting equipment, either portable fire appliances or small hose supplied from a suitable water system, shall be provided near any machine producing shavings or sawdust.