Specifications include, but are not limited to:. His project includes reconstruction of the existing intersection of Siphon Road and Hiline Road in Chubbuck, Idaho and the extension of Siphon Road east of the intersection for approximately 2,000 lineal feet. The intersection will be raised to allow a new east leg to cross the existing precast concrete stiffleg structure over the adjacent canal. Construction will include excavation, fill, asphalt pavement and shared use path asphalt pavement, curb, gutter, and sidewalk, storm water conveyance and infiltration facilities, water distribution piping, sanitary sewer piping and manholes, traffic signal installation, signing and pavement marking, erosion control, and other related work.