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This multifaceted project was designed to address the inadequacies of the flood-prone I-10/I-610 area of New Orleans, a major south-bound evacuation route. Construction included the following:

• Widening of Interstate 10, which entailed the addition of two east- and westbound lanes

• Reconstruction of the ramps and intersection with Tulane Avenue

• Bridge widening over Metairie Road

• Erection of sound walls

• Construction of a new 7-story-tall pump station with a combined 4,350-horsepower pumping capacity

The pump station extends 30 feet below  ground  level and connects to a 2,000-foot-long double-barrel box culvert. Three 72² pumps and one 48² pump discharge water through steel pipelines that terminate at the 17th Street canal. Construction of the pump station required 20,000 cubic yards of concrete and 320,000 pounds of structural steel.

JCG was contracted by the Louisiana DOTD to construct a new interchange at the junction of I-10 and Louisiana Avenue in Lafayette, Louisiana.  JCG constructed new east-bound entrance and exit ramps, widened the existing east-bound and west-bound bridges, and managed the re-directing of traffic to the newly constructed east-bound ramps.  After traffic had been re-directed onto the new ramps, JCG constructed two 14-span bridges over the future Louisiana Avenue.  After switching traffic to the new east-bound and west-bound pavement and bridges, construction of the west-bound ramps and Louisiana Avenue was completed.  The detailed scope of work consisted of:

• 41,000 cubic meters excavation

• 194,000 cubic meters embankment

• 53,000 square meters class II base

• 60,000 square meters 225mm to 350mm PCC

• 10,600 meters concrete piling

• 4500 cubic meters structural concrete

This project involved the reconstruction of 4.4 miles of interstate through the City of Baton Rouge, Louisiana for the Dept. of Transportation.  Work included widening from 2 to 3 lanes, bridge widening, ramp reconstruction, drainage improvements, barrier railing, lighting, landscaping and extensive traffic control.  The project included:

• Excavation and embankment 120,000 CYs

• 350,00 SYs of 10" stone base

• 342,000 SYs of 14" portland cement

• $15,000 per day incentive/disincentive

This major interchange of I-49 and Highway 3132 in Caddo Parish, Louisiana demonstrates the capacity of James Construction Group to tackle large scale structure projects.  This project featured precast concrete pile footings, drilled shafts, concrete piers and caps of various shapes and sizes.  Highly specialized forming systems were the norm for this project due to the complexity and variation of span length, girder types and elevation requirements.  Major quantities for the project included:

• 51,100 LF drilled shaft foundations

• 13,694 LF concrete piles

• 27,211 CYs substructure concrete

• 13,748 CYs superstructure concrete

• Structural steel erection

• 5,906,000 lbs reinforcement steel placement