Case studies

A coal pile in 19 minutes instead of 7 hours

PT Surveyor Indonesia measured a coal pile at Labuan Ratu with the FJD Trion S1 in 19 minutes. The same area with a tripod laser scanner took seven hours.

Surveyor scanning a coal pile with a handheld FJD Trion S1

PT Surveyor Indonesia measures volume and density for state energy companies, among other work. At Indonesia Power Plant near Labuan Ratu the coal volume is needed for accounts, loans, purchasing, and staffing.

They used to run terrestrial laser scanning (TLS). The kit is heavy to ship, each setup has to be levelled like a total station, and registration needs at least three black-and-white targets. A single station could take 20 minutes to set. The whole pile took seven hours.

S1 in the hand, the cloud live on the phone

With the FJD Trion S1 the surveyor connects, gets a link, and walks the pile. 320,000 points per second and 0.8–2 cm accuracy, with no tripod round. Surveyor Arief called it simpler, lighter, and more effective. The live cloud on the phone showed coverage while walking.

FJD Trion S1 3D LiDAR scanner
The S1 can be carried, put on a UAV, or worn in a harness — without climbing the pile.

The result: 19 minutes instead of 7 hours — 401 minutes saved. TLS still reaches farther and denser in some settings, but for stockpiles the handheld weight and time win. The S1 can also ride a UAV when the pile is hard to walk.

Summarised from a customer story published by FJD Trion. Contact Norrpoint for the S1 on volume and quarry work.

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