Table 6
Equipment designed for marine use by permanent attachment (other than derricks): | ||
Rated Capacity | Maximum Allowable List | Maximum Allowable Trim |
25 tons or less | 5 degrees | 5 degrees |
Over 25 tons | 7 degrees | 7 degrees |
Derricks designed for marine use by permanent attachment: | ||
Any rated capacity | 10 degrees | 10 degrees |
Table 7
Operated at | Wind speed | Minimum freeboard |
Rated capacity | 60 mph | 2 ft |
Rated capacity plus 25% | 60 mph | 2 ft |
High boom, no load | 60 mph | 2 ft |
Table 8
For backward stability of the boom: | |
Operated at | Wind speed |
High boom, no load, full back list (least stable condition) | 90 mph |
Wash. Admin. Code § 296-155-54400
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, § 296-155-54400, filed 12/20/11, effective 2/1/12.