Before a heavy cable is pulled, the path must be verified as clear. Dust, sand, water, or collapsed duct structures can snag a cable and halt a project. We clean, dry, prove, and inspect every conduit to ensure a smooth, risk-free cable installation.
Engineering Highlights
Duct cleaning using water jets, steel brushes, and squeegees
Mandrel calibration tests to check for duct collapse and blockages
Route clash surveys matching CAD design layouts with site realities
Removal of debris and installation of draw-wires for rapid pulling
Machinery & Gear Used
High-pressure water jettersSteel Wire MandrelsLaser Alignment SystemsDraw-wire blowers
We pull a solid cylinder (mandrel) sized at 80-90% of the duct diameter through the conduit. If it passes smoothly, it proves the duct has no internal collapse or ovality.
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