§ 45.124. Dry kilns.
(a) A walkway of open or lattice construction (not to impede circulation) shall be provided on at least one side or in the center of end-piling kilns and on two sides of cross-piling kilns. Walkways may be omitted from box kilns or kilns open at one end only. This walkway may be made of iron pipes one inch or more in diameter, resting on steel cross-beams or perforated or expanded metal (at least 50% open). Two by four inch timbers on edge, spaced 2 inches apart, may be used if necessary. Metal construction is preferable.
(b) Tracks in the kiln shall be located so as to afford a clearance of at least 18 inches between a loaded car and the wall of the kiln where walkways are provided.
Cross References This section cited in 34 Pa. Code § 45.82 (relating to exceptions and special applications) and 34 Pa. Code § 45.146 (relating to hoods for woodworking machinery).
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