WAC 296-874-20022:

WACs > Title 296 > Chapter 296-874 > Section 296-874-20022

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296-874-20020 << 296-874-20022 >> 296-874-20024

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PDFWAC 296-874-20022

Make sure portable, hook-on, and attachable ladders meet these requirements.

(1) You must position portable, hook-on, and attachable ladders so they do not tip the scaffold.

(2) You must make sure hook-on and attachable ladders meet all of the following:

(a) Specifically designed and used for that type of scaffold;

(b) Have rungs that are:

(i) Uniformly spaced;

(ii) Not more than sixteen and three-quarters inches apart;

(iii) At least eleven and one-half inches (29 cm) long;

(iv) Lined up vertically between rest platforms.

(3) You must position the bottom rung not more than twenty-four inches (61 cm) above the scaffold supporting level.

(4) You must have rest platforms at vertical intervals not greater than twenty-four feet (7.3 m) on supported scaffolds.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-20022, 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, § 296-874-20022, filed 12/7/04, effective 3/1/05.]