Rigger Level 3 Aramco Notes

The sling wraps around the load and chokes back onto itself. This reduces capacity because of the sharp bend in the fabric or wire.

Maintain a minimum clearance of 6 meters (20 feet) from overhead power lines rated up to 50 kV. 6. Exam Preparation and Tips

Identify unsafe field practices, such as standing under a suspended load or walking between a load and a fixed structure (pinch points).

Authorized to handle general, routine, and non-critical lifts up to 40 tons. They must work under the supervision of a Rigger Level 1 or 2 for any critical lifts. rigger level 3 aramco notes

Adherence to Saudi Aramco General Instruction (GI) 7.028 is mandatory for all rigger levels.

: A completed Rigger Workplace Experience Logbook covering 50 required tasks, verified by a discipline manager.

Identifying potential hazards and assessing approximate load weights while implementing safety factors. The sling wraps around the load and chokes back onto itself

Sling Tension=Load WeightNumber of Slings×Load Angle Factor (LAF)Sling Tension equals the fraction with numerator Load Weight and denominator Number of Slings end-fraction cross Load Angle Factor (LAF) The is calculated as:

Arm extended horizontally, finger pointing in direction of swing of boom.

To qualify for the Level 3 assessment, candidates must typically meet the following prerequisites: They must work under the supervision of a

A Rigger Level 3 must inspect all rigging hardware before every shift.

Tension=(Total Load WeightNumber of Sling Legs)×LAFTension equals open paren the fraction with numerator Total Load Weight and denominator Number of Sling Legs end-fraction close paren cross LAF Load Weight: 10,000 kg Sling Legs: 2 legs Horizontal Angle: 45 degrees ( Tension per Leg Calculation:

Level 3 riggers cannot supervise lifts exceeding 40 tons, tandem lifts (using two or more cranes), night lifts, lifts over live hydrocarbon lines, or personnel lifting via crane-suspended baskets. These require a Level 1 or Level 2 Rigger. The Rigger’s Core Responsibilities