Complete Rigging Course Guide (Urdu + English)
1. Rigger Levels (Level 1, 2, 3) - Overview
Level 1: Basic Rigging knowledge. Includes types of slings, basic hand signals, safety.
Level 2: Intermediate rigging including load calculations, sling angles, rigging gear.
Level 3: Advanced rigging, center of gravity, load stability, lift planning, and supervision.
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2. Rigging Formulas & Charts
- Load = Weight x Angle Factor
- Sling Tension = (Load x Length) / (Number of Legs x Vertical Height)
- Safety Factor: Typically 5:1 or 10:1 depending on critical lifts.
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3. Hand Signals
Standard hand signals include:
- Hoist Up: Arm extended upward, with index finger pointing up, making small circles.
- Stop: Arm extended, palm down, held still.
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                               Complete Rigging Course Guide (Urdu + English)
4. Aramco Interview Questions (with Answers)
Q1: What is center of gravity?
A1: It is the point where the entire weight of the object is concentrated.
Q2: How do you calculate sling angle?
A2: By measuring the vertical height and horizontal distance, then using trigonometry.
Q3: What is a critical lift?
A3: A lift that is dangerous, heavy, or involves people or valuable equipment.
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5. 7-Day Revision Planner
Day 1: Learn Sling Types and Safety Rules.
Day 2: Practice Hand Signals.
Day 3: Load Calculations and Angle Factors.
Day 4: Center of Gravity and Load Stability.
Day 5: Practical Lift Scenarios.
Day 6: Review Aramco Interview Questions.
Day 7: Complete Mock Test and Revise Charts.
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