Eddy Pump

Eddy Pump

Category:

Pumps

Description:

Eddy pumps provide environmentally sensitive dredging with increased efficiency, high solids

transfer, and low turbidity. Applicable where hydraulic dredging of contaminated sediments with

low turbidity is required. The Eddy pump is fully developed. Offered in 8-in. to 13-in. sizes. Also

used for dredging under docks.

Reviewer:

C. Woolley

Company / Organization(s):

Access Restricted to U.S. Army Corps of Engineers

Projects Completed:

Newport Cal Harbor

Location:

Newport Harbor, Orange County, California

Completion Date:

Under way (9/98)

$5.56 /yd3

Project Cost:

Combined under-dock and channel dredging (1 million yd3). $4.65/yd3

Comments:

for channel dredging. (6-mile haul / hopper scow). $13.00/yd3 for under

dock dredging (50-ft reach to 10-ft. face)

U.S. Navy - Chollas Creek

Location:

Chollas Creek, California

Completion Date:

November 1997

Project Cost:

$2.3 million

Project started July 1997. Removed 81,000 yd3 from 20 foot channel and

Comments:

contaminated slip. 50,000 yd3 (clean) pumped into 1,500 yd3 dump scows

with disposal offshore approximately 9 miles. 31,000 yd3 of contiminated

sediment from slip area dewatered and and trucked to upland disposal.

Two 6-in. by 10-in.dredges used. Eddy Flow and 6-in. Terra Flow.

Information Sources:

Literature:

Month:

August

Year:

1997

LitType:

Periodical

Publisher:

World Dredging Mining & Construction

Publisher Address:

PO Box 17479 Irvine, California 92623

Chapter 5 Other Technologies Reviewed