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JOB
White Tanks FRS No. 4 Rehabilitation
BID DATE
02/2/11 - 2:00
AGENCY
Flood Control District of Maricopa Co.
ESTIMATE
$2,000,000
SCOPE
The project will entail the removal of the existing central filter and finger drains which are not up to current design standards and replacement with a suitably engineered filter material that will prevent a crack from progressing through the dam. To accomplish this effort the top two feet of the dam wil be removed to provide a wider base for construction equipment. The existing filter material will be broadcast on the downstream slope for erosion protection and the filling of any existing rills. Asan additional protection measure a geotextile filter will be placed on the downstream side of the central filter trench. Aggregate base will be placed on top of the crest to provide a surface to drive upon and to also protect the newly place central filter.

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