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Bidjugde
JOB
Groundwater Replenishment System Unit I Pipeline Rehabilitation
BID DATE
07/30/18 - 5:00
AGENCY
Orange County WD
ESTIMATE
$8,000,000
SCOPE
PREQUAL FEB, BID DATE IN MAY. The Project includes the interior lining of approximately 19,000 linear feet of 78- inch and 500 linear feet of smaller diameter cement mortar lined and coated steel pipe used to transport water. The new lining shall be an 100% solids epoxy applied at a minimum of 60 mils thickness which shall adhere to the cement mortar lining and bare steel. Prior to epoxy application, the interior of the pipeline shall be subjected to surface preparation, inspections, and moisture content measurements to ensure epoxy adherence. The Contractor’s work shall be done within 21 consecutive calendar days in September 2018, with normal District water transport operation of the pipeline immediately before and after this period. As part of the existing lining preparation, the Contractor shall perform the measures necessary to further dry, ventilate, and control humidity within the pipeline. The District will provide the Contractor access into the pipeline at existing entry points. The Contractor shall implement its own Confined Space Entry program and perform the scope of work. The lining work begins at 18700 Ward Street, Fountain Valley and continues northeast within the western levee of the Santa Ana River to approximately Edinger Avenue in Santa Ana. The estimated construction bid opening date for this Project is May 2018. The engineer’s construction cost estimate for this project is $8 million. sscott@ocwd.com bsmith@ocwd.com

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