Delivering Dredge Slurry Through Long Pipelines

Category:

Operating Procedures

Pipeline/Discharge Systems

Pumps

Description:

The White Rock Lake, Dallas' main water supply, the largest municipal lake in the United States,

will require removal of 2,630,000 yd3 of silt, debris, and vegetation . The contractor, Oscar

Renda Contracting, is using an 18-in. C.S. dredge. Dredge pump is driven by a 1,500-HP DC

motor. The 24-in. steel discharge pipeline is 104,000 ft long with only two booster pumps.

Disposal site is an old quarry.

Reviewer:

C. Woolley

Company / Organization(s):

Projects Completed:

White Rock Lake, City of Dallas

Location:

Dallas, Texas

Completion Date:

1999

Project Cost:

$18,000,000

Comments:

Diluting slurry density reduces power required to pump on extremely long

discharge lines.

Information Sources:

Literature:

Title:

"Dredging Dallas' White Rock Lake"

Author:

Betty Sosnin

Month:

April

Year:

1998

LitType:

Periodical

Publisher:

World Dredging Mining & Construction

Publisher Address:

PO Box 17479 Irvine, California 92623

Publisher Phone:

714 553-0836

Chapter 5 Other Technologies Reviewed