Arrow Highway & Lone Hill Avenue Improvement Project
OE provided inspection services to the City of San Dimas on the Arrow Highway & Lone Hill Avenue Improvement project. The project limits include the Arrow Highway and Lone Hill Avenue intersection, Lone Hill Avenue from 500' north of Arrow Highway to Cienega Avenue, and Gladstone Street from Monte Vista Avenue to San Dimas Avenue. The scope of work included 2,364 CY of excavation, removing 1,268 LF of concrete curb and gutter, 6,229 SF of concrete sidewalk, and 965 LF of curb, constructing “River Rock” cobble paving in the medians on Arrow Highway, installing 7,299 tons of asphalt concrete pavement, constructing Class II aggregate base, and cement treated base. Furthermore, the project entailed 10,332 SF of cold milling to 2” depth of asphalt concrete pavement, constructing 8” PCC curb & gutter, 6” PCC curb & gutter, a commercial driveway, 5’ wide PCC sidewalk, and 12 curb ramps. In addition, the work involved adjusting the landscape and irrigation system on the medians, installing traffic signals on Arrow Highway at the Lone Hill intersection, removing 5 trees, installing Asphalt Rubber Hot Mix, installing 31 traffic loops, adjusting water and gas valves and manholes to grade, relocating traffic signal pull boxes, and installing a catch basin.