Answered by nikkij (140 pts) 3 weeks Ago
How do I retrieve a CCTV camera stuck in a wastewater network, DN 200 mm, at a depth of 4 lm without digging it out?
During a visual inspection, a CCTV camera fell into an asbestos cement network. The invert is gone; the camera is blocked at 17 lm from the manhole cover. It is impossible to lower: network of gas, electrical, drinking water, rain, telecommunications lines. Road traffic, bus. Is there a robot that c...