Layout & Coordination · Elbow station
Lay out fitting tangent points
Square Duct Installation — 90-degree turn
Task typeElbow station
Tools / equipmentSquare, laser, fitting dimensions
How to install it
- 1
Mark incoming centerline, elbow footprint, radius/throat dimensions, and outgoing line
- 2
verify clearance.
Quality check
- Elbow fits without force
- outgoing line correct
Stop and verify
Stop if elbow radius clashes with structure