Wash. Admin. Code § 296-874-40022 – Meet these requirements when using form scaffolds and carpenter's bracket scaffolds

(1) You must secure folding-type metal brackets that have been extended for use, with:
1. (a) Bolts; or
2. (b) Locking-type pins.
(2) You must make sure wooden-bracket form scaffolds are an integral part of the form panel.
(3) You must attach each bracket, other than those for wooden bracket-form scaffolds, to the supporting formwork or structure by using one or more of the following:
1. (a) Nails;
2. (b) A metal stud attachment device;
3. (c) Welding;
4. (d) Hooking over a secured structural supporting member, with the form wales either:
  1. (i) Bolted to the form; or
  2. (ii) Secured by snap ties or tie bolts extending through the form and securely anchored.
5. (e) For carpenters' bracket scaffolds only, using a bolt extending through to the opposite side of the structure's wall.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-40022, 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, § 296-874-40022, filed 12/7/04, effective 3/1/05.]