Georgia 04 2016

By Lori TobiasCEG CORRESPONDENT

Construction crews recently reached anothermilestone in Georgia’s Northwest CorridorExpress Lanes project, completing the placementof five 155-ft. (47.2 m) concrete beams over DelkRoad. The beams are part of a 2,311 ft. long (704m) bridge that will span this section of the project.

Once completed, the Express Lanes bridge overDelk Road will include 68 beams, each weighingmore than 110,000 lbs. (49,895 kg). The bridge,which is being constructed to carry vehicles trav-eling in the dedicated Express Lanes, is designedto reach a height of more than 23 ft. (7 m) to thetop of the new bridge deck over Delk Road.

“The primary purpose of the NorthwestCorridor Express Lanes is to provide an addition-al travel option for motorists,” said John Hancock,assistant state innovative delivery engineer ofGDOT. “They will have the choice to use theExpress Lanes when needed, but the general pur-pose lanes will always remain open for travelwithout a toll. In addition, individuals using transitand registered vanpools will be able to travel in thelanes without paying a toll. The NWC project is acritical piece of a strategic transportation plan toprovide options for more reliable travel times withbenefits to both transit and registered vanpool cus-tomers in one of the region’s busiest thoroughfare.

“The Northwest Corridor Express Lanes will bea part of a larger Georgia Express Lanes system,geared toward improving connectivity and mobil-ity in the region for commuters, transit riders andthe logistics industry, bringing an economic bene-fit to the Atlanta area and the entire state.”

The project, which will add 29.7 mi. (47.8 km)of toll lanes in the I-75/I-575 corridor and fromAkers Mill Road to Hickory Grove Road andalong I-75/I-575 to Sixes Road, is the largest proj-ect the Georgia Department of Transportation hasundertaken and the first P3 — Public PrivatePartnership — in the state. Archer WesternContractors and Hubbard Construction are thecontractors on the project. Parsons TransportationGroup is the design subcontractor.

“One of our biggest challenges is this being a

Crews Reach Milestone on Northwest Corridor Job

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Construction crews recently reached another milestone in Georgia’s Northwest Corridor Express Lanes project.see DELK page 6

February 172016

Vol. XVIII • No. 4

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P3, it’s new for everyone,” Hancock said.“It’s a lot of education we have to do for allthe stakeholders involved. It’s a design-buildproject and the contractor is responsible for10 percent of the funding for the project. Thecontractor has to be totally committed to theproject one year from substantial comple-tion. This is a very large project. The fundingsources we have coming in are not all avail-able up front. The stop gap financing is to getus through and also to make them more of astakeholder in the project, too.”

Crews used a 110-ton (99.8 t) crawlercrane and 330-ton (299 t) Liebherr crane tolift the beams and forms into place, Hancocksaid. The bridge is 2,311 ft. (704.4 m) long,but not the longest on the project. Thelongest is 5,971 ft. (1,819.9 m), making it notonly the longest on the project but also thethird longest in the state.

“One of the things we are trying to do isnot disturb the existing intersection,”Hancock said. “This way we have the bridgegoing over it and it doesn’t impact the rampsor the highway. When completed theexpress lanes will be separated by barriersand part of an overall system of expresslanes around Atlanta. The lanes will bereversible, running northbound away from

the city in the evening and southbound intothe city in the morning.

“The project began in about 2001 and itwas an HOV extension that grew at one timeinto $4 billion project,” Hancock said. “Theproject we have now we came up with in2009, when we scaled back the budget.Right now, it’s a $834 million project.

“One of the great things is we’ve got a

good partnership with the joint venture.We’re making fantastic progress. We haveseveral different crews — bridge crews, wallcrews, drainage and roadway crews.They’ve been working on the northern sec-tion of the project. We’ve gotten a few com-ments with bridge being thrown over DelkRoad. It’s an eye opener. People see that theproject is here and they are seeing the effect.

The bridge on Delk Road is actually goingup in August/September We have to tie it inthe roadway. The completion date for entireproject is 2018 and we have a lot more togo.”

(This story also can be found onConstruction Equipment Guide’s Web site atwww.constructionequipmentguide.com.)CEG

Crews Place Five Concrete Beams Over Delk Road

Once completed, the Express Lanes bridge over Delk Road will include 68 beams, each weighing more than 110,000 lbs.(49,895 kg).

DELK from page 1

Construction Equipment Guide • Georgia State Supplement • www.constructionequipmentguide.com • February 17, 2016 •

Georgia 04 2016

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