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Bidjugde
JOB
Lauer Dam Rehabilitation Modoc County North Folk Pit River
BID DATE
08/9/19 - 2:00
AGENCY
Department Army
ESTIMATE
$10,000,000
SCOPE
Clearing and grubbing construction areas of vegetation and rubbish. Removing water from work areas and controlling water to prevent flow of water into work areas. Excavating, placing, and compacting access roadway embankments, drainage provisions, and gravel surfacing. Developing a rockfill borrow area using methods that produce rockfill material in quantities needed for embankment construction. Processing rockfill to meet placement and material requirements. Clearing, grubbing and removing overburden soil and loose material within the future dam footprint and excavating bedrock to the depths shown in the drawings. Preparing excavated surfaces to receive fill and concrete. Constructing a cast-in-place reinforced concrete core wall and plinth along the length of the dam alignment and at the spillway. Furnishing and installing reinforced cast-in-place concrete intake structures, outlet structures, impact basins, conduit encasement, and other areas as shown on the design drawings. Placing rockfill along the upstream and downstream sides of the concrete core walls and as backfill at retaining walls. Placing clay soil and/or geosynthetic materials as required. Constructing outlet works. Constructing a spillway at the existing dike/spillway. Furnishing and installing an outlet works gate house for outlet works controls and the Early Warning System. Furnishing and installing crest survey monuments. Localized breach of the existing dam after construction of the new dam. Placing and compacting waste materials at designated disposal location. Grading, reclamation, seeding, and establishing vegetation in areas disturbed by construction. phillip.t.roybal@usace.army.mil karen.k.irving@usace.army.mil Phone: 505-342-3356 Fax: 505-342-3496
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