Note: | All accredited crane certifiers must meet and follow the requirements relating to fall protection, located in chapter 296-880 WAC, Unified safety standards for fall protection. |
Table 1 - Wire Rope Inspection/Removal Criteria
(See also Figure 1 - Wire Rope)
Category of Crane Types | Running Ropes* # of broken wires in | Rotation Resistant* # of broken wires in | Standing Ropes* # of broken wires | |||
1 rope lay | 1 strand in 1 lay | Specified diameters | In 1 lay beyond end connection | At end connection | ||
Mobile | 6 | 3 | 2 (in 6xd) | 4 (in 30xd) | 3 | 2 |
Articulating | 6 | 3 | Consult rope mfg. | Consult rope mfg. | 3 | 2 |
To w e r | 12 | 4 | 2 (in 6xd) | 4 (in 30xd) | 3 | 3 |
Self-Erector | 6 | 3 | 2 (in 6xd) | 4 (in 30xd) | 3 | 2 |
Overhead & Bridge | 12 | 4 | 2 (in 6xd) | 4 (in 30xd) | - | - |
Derricks | 6 | 3 | Consult rope mfg. | Consult rope mfg. | 3 | 2 |
* Also remove if you detect 1 wire broken at the contact point with the core or adjacent strand; so called valley breaks or evidence from any heat damage from any cause.
Note: | xd means times the "diameter." |
Figure 1 - Wire Rope
Wash. Admin. Code § 296-155-53200
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.440, 49.17.060, and 29 C.F.R. 1926, Subpart CC. 12-01-086, § 296-155-53200, filed 12/20/11, effective 2/1/12. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, and chapter 49.17 RCW. 10-14-100, § 296-155-53200, filed 7/6/10, effective 9/1/10. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, 49.17.400, 49.17.410, 49.17.420, 49.17.430, and 49.17.440. 08-22-080, § 296-155-53200, filed 11/4/08, effective 1/1/10.