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Dredging of Broad Creek to begin this fall

by Larry S. Chowning

The Norfolk District Army Corps of Engineers has received federal stimulus funding to dredge Broad Creek in Deltaville, reported Corps official Douglas H. Stampers in a June 10 email to Middlesex County officials.

“The funding should be sufficient . . . to dredge the channel and prepare the upland site to accept the material,” said Stampers.

The DEQ permit required before dredging the creek can start has “demanded a lot of coordination, sediment sampling and testing, and additional design work,” said Stampers.

The permit is going to require a major rehabilitation of the internal workings of the existing upland spoil site, he indicated. The outside appearance of the spoil site should remain largely unchanged other than clearing the vegetation off the dikes.

Stampers said the dredging schedule will depend on final DEQ permit approval and he’s “expecting” that in July. The dredging contract is anticipated to be awarded in early September with dredging to start in the fall. “Of course, that is the peak of hurricane (season) so be prepared for schedule impacts due to storms,” he said.

During the dredging, there will be two pipelines running across a Norview Marina easement from the creek to the upland site, instead of just one pipeline as in the past, said Stampers.

One pipeline pump will take water and dredge material from Broad Creek, and the other will remove the water from the spoil site and take it back to the creek, he said.

Once dredging is complete, the upland spoil site will be drained and the pumps removed. The rainwater discharge from the spoil site will go into Big Lake, a body of water directly behind the spoil site.

“This rainwater discharge satisfies all DEQ requirements and should be just like the existing drainage,” said Stampers.

In a June 17 email, Stampers reported that contract drawings for the berm work at the spoil site are about 90 percent complete.

Over the past several years the entrance to Broad Creek, the busiest creek in Middlesex, has slowly filled to the point where some boats have trouble getting through the channel.

posted 07.08.2009

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