22-des-itv-3 64 12th st s complete & transitway extension - building construction, non-residential (office bldg., etc.), building construction, agricultural, construction, general (backfill services, digging, ditching, road grading, rock stabilization, etc.), construction, street lighting, construction services, hazardous waste (incl. site management), construction, bridge and drawbridge (includes reconstruction / rehabilitation), construction, canal or aquaduct, construction, curb and gutter (includes maintenance, repair, and removal), construction, parking lot and alley, construction, sewer and storm drain, construction, sidewalk and driveway (includes pedestrian and handicap ramps), construction, street (major and residential)(includes reconstruction), construction, tunnel, construction and upgrades, wastewater treatment plant, construction, water system/plants, main and service line, concrete