Project Overview
Industry: Power Generation
Location: NSW
Duration: 8 Days
Types of Laser Used: Needle 100W & 300W
Summary:
PLC completed precision weld surface preparation inside a boiler furnace to support accurate dye penetrant testing (DPT) as part of NDT.
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The Challenges
Confined Space Access: Work occurred in a high-risk, congested furnace chamber with limited access and other trades active.
Blasting Safety Hazards: Abrasive methods posed risks of eye injuries and scaffold overload from spent media.
Tight Outage Window: Dust and rebound from blasting would halt other trades, risking major delays in a compressed schedule.
The Solution
Laser Deployment: Six pulsed lasers (100W & 300W) operated safely within the confined space.
Safe Access & Extraction: Work was completed from the scaffold with direct dust extraction, allowing simultaneous trades.
24/7 Crew Rotation: A team of 14 ran continuous shifts, completing the scope within 8 days.
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The Results
Scale and fly ash were fully removed from weld ties and butt joints, ensuring clearer dye penetration tests and more accurate inspections. The project ran incident-free without dust or debris, allowing simultaneous operations inside the confined space.
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