Precasting Operations
Precasting of the central and support pre ten si on ed elements was done in two different plants, IS.7 and .17.4 miles 30 and 60 km , respectively, from the job site. Support and central preten- Table 2. Construction schedule for the twin bridges. Foundation P retail concrete piles Pie-uit ciiiig, driving Excavation Footings Biickriii Transverse heams Earthwork Concrete loppin Asphalt i ' lt gt . Precast concrete structure Mold mantiiiiUtire Precast concrete elements Hauling, erection sioned...