Which tool is commonly used for sewer rodding?

The tool commonly used for sewer rodding is the porcupine. This specialized device is designed to clear blockages in sewer lines by utilizing a series of flexible rods that can navigate the twists and turns of underground pipes. The porcupine terminology refers to the way the tool can extend outwards, similar to a porcupine's quills, effectively breaking up debris and clogs, allowing for better flow within the sewer system.

Using a porcupine for sewer rodding is particularly effective because it directly applies force to the materials causing the blockage, making it a preferred choice among maintenance professionals. This technique prevents the need for more invasive measures like excavation, thereby saving both time and resources while effectively maintaining sewer lines. Other tools such as backhoes, chain pipe cutters, and hand shovels serve different purposes in construction or repair scenarios, but they are not specifically designed for the delicate task of clearing sewer blockages.