Note: | A work bench may be used as a toprail only if it meets the toprail requirements in Make sure guardrail systems meet these requirements, WAC 296-874-20064. |
(6) You must make sure wood poles used with pump jack scaffolds are:
(a) Straight grained; and
(b) Free of shakes, large loose or dead knots, and other defects which might impair strength.
(7) You must make sure wood poles that are constructed of two continuous lengths are joined together with the seam parallel to the bracket.
(8) You must install a mending plate at all splices to develop the full strength of the member when splicing two by fours together to make a pole.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050. WSR 15-23-086, § 296-874-40032, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060. WSR 05-01-054, § 296-874-40032, filed 12/7/04, effective 3/1/05.]