RFX #419
Building Construction
I-93/I-90 Interchange, Southbound Viaducts and Ramps
Due Date: Thursday December 31st, 2099
he Work shall include but not be limited to:
The construction of approximately 420 linear feet of boat sections; and 770 feet of concrete viaducts. Also included is construction of temporary surface roads. The Work includes site preparation, obstruction removal, installation of drilled shaft foundations, demolition of retaining walls, ramp and bridge construction; temporary and permanent utilities relocation; protection and maintenance of utilities; temporary vehicular and pedestrian staging, maintenance of traffic, signage; temporary mitigation measures to prevent movement of adjacent structures; temporary and final surface drainage systems; temporary and final street lighting; temporary and final street paving. For more information, please see the Central Artery/Tunnel Project's website: http://www.bigdig.com/thtml/contract/c09c3.htm