COTTRELL CONTRACTING CORPORATION -- Chesapeake, Virginia - Projects
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Saturday, September 20th, 2014
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James River Maintenance Dredging

In 2004, Cottrell Contracting was awarded a contract by the United States Army Corps of Engineers, Norfolk District for the maintenance of the James River which runs from the Port of Hampton Roads, Virginia to the state capitol in Richmond.  This $9.5 million 5 year project required the annual removal of approximately 750,000 cubic yards from various problem areas in the river system.  The James River project is broken up into two parts: the down river section and the up river section.  On the down river section, dredge material is disposed using controlled affluent into adjacent deep water areas.  The up river section, which includes the port of Richmond, has its material disposed in the upland sites that will be later used for beneficial purposes.

 

 

The Port of Richmond 

 

Environmental restrictions to protect anadromous fish only allow dredging in the river March 15th to June 30th.  Thus, it is imperative that the dredge utilized is capable of removing large amounts of material in relatively short periods of time.  Cottrell intends to utilize its recently commissioned 20” Dredge “Lexington” on this project.  The Dredge “Lexington” is capable of pumping up to 20,000 feet without a booster while being able to excavate in excess of 1,500 cubic yards per hour. 

 

The Dredge Lexington working on the James River.

 

 




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©2003 Cottrell Contracting Corporation.     328 N Battlefield Boulevard     Chesapeake Virginia 23320
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