Cranes and Rigging - Operations (Site-Specific)

Practice 000.502.1000

Date 01Jan2011

Attachment 01Page 1 of 1

CRANE AND RIGGING — OPERATIONS (Site-Specific)

LIFT CATEGORIES

Noncritical Lifts

Critical Lifts

Chart Capacity / Less than 75% of crane capacity / Equal to or greater than () 75% of crane capacity
Lift Category / Type “1” / Type “2” / Type “A” / Type “B” / Type “C”
Vertical Vessels / Less than 30 tons
Less than 8feet (2.4 meters) diameter / Less than 30 tons
Less than 8 ft (2.4 m) dia / Replaces “engineered” lifts A, B, and C
30 tons to 600 tons
Greater than 8 ft (2.4 m) dia / Greater than 600 tons
Other Equipment/Structures / Less than 60 tons / Less than 60 tons / 60 tons to 600 tons / Greater than 600 tons
Transportation / Less than 60 tons / Less than 60 tons / 60 tons to 600 tons / Greater than 600 tons
Forms, Permits, and/or Drawings Required / None / Green Lift Checklist / Critical Lift Permit and
Green Lift Checklist / Critical Lift Permit and Rigging Drawings
Stipulations /

Less than 5 tons; or
Less than 20 tons and less than 50% of crane capacity

5 tons or greater and 50% or greater crane capacity, or
20 tons or greater

75% of crane capacity and
< 80% crane capacity without LID* or
< 90% crane capacity with LID*

Over 20 tons and in a structure or over operating processes
Nonferrous material
Lifts by 2 cranes in which the load can be transferred between the cranes

Responsibility
Lift Lug Design / P2S Rigging Department must approve or design all lift lugs for loads over 10 tons as stipulated in this practice.
Design or Layout (includes layout, gear, and configuration) / Qualified field rigger / Qualified field rigger / Qualified field rigger / Rigging supervisor, P2S rigging engineer, or contractor / P2S rigging engineer or contractor
Checker and Reviewer (includes checking design or layout and lift set up) / Qualified field rigger / Qualified field rigger / Qualified field rigger / Checker:P2S rigging engineer
Reviewer:P2S rigging engineer / Checker:P2S rigging engineer
Reviewers: 2 P2S lead rigging engineers, optional 3rd party consultant
Reviewer (final responsibility) / Qualified field rigger / Jobsite rigging supervisor / Jobsite rigging supervisor / P2S lead rigging engineer and Site Manager / Rigging Manager, Site Manager, and Project Mgr.

* Load Indicator Device