Debco Construction is performing a Sewer Main Replacement for the Asotin County PUD in Clarkston, Washington. The project consists of 4,220 linear feat of 8" sewer main replacement, 138 sewer service connections, manhole removal and replacements, sewer bypassing, and asphalt paving. Debco Construction is performing the work by open trench using trench boxes, manhole boxes, and manhole tripods with winches and harnesses.