In Japan, introduced a robotic spider to inspect sewer pipes.

In order to simplify the work of existing workers, TMSUK has developed a spider robot to inspect sewer pipes. The SPD1 walking robot prototype was created in response to a request from a local utility company. The device has dimensions of 21x25x28 cm, weighs about 3.5 kg and is designed to inspect pipes with a diameter of 200-300 mm. The robot is remotely actuated and controlled by the operator using a game-type controller connected to the SPD1 cable. TMSUK envisions a scenario in which three robots can be physically linked together by a cable and work as a group. In this case, the lead robot will move through the pipe, the second robot will identify areas that need repair, and the third robot will perform the repair using a robotic arm holding the tool.