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2007-315
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Last modified
6/24/2016 12:20:08 PM
Creation date
9/30/2015 11:18:07 PM
Metadata
Fields
Template:
Official Documents
Official Document Type
Agreement
Approved Date
09/18/2007
Control Number
2007-315
Agenda Item Number
7.Y.
Entity Name
Wells & Water Systems, Inc.
Subject
Public Supply Wells Construction and Testing
Area
North County Wellfield
Bid Number
2007044
Supplemental fields
SmeadsoftID
6606
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2 .0 PRODUCTS (Not Used) <br /> 3.0 EXECUTION <br /> 3 . 1 Work parts include the following for the construction and testing of the four <br /> production wells : <br /> 3 . 1 . 1 Mobilize and prepare site. Install pit casing at <br /> CONTRACTOR ' S discretion . <br /> 3 . 1 . 2 Drill nominal 8 to 12 -inch diameter pilot hole to approximately <br /> 140 feet below land surface using mud rotary technique. <br /> 3 . 1 . 3 Ream pilot hole to nominal 30-inch diameter borehole using <br /> mud rotary technique. <br /> 3 . 1 .4 Conduct static geophysical survey of mudded 30-inch diameter <br /> borehole, complete. <br /> 3 . 1 .5 Furnish, install, and cement nominal 24-inch diameter steel <br /> casing to approximately 140 feet below land surface (ft bls) . <br /> 3 . 1 .6 Drill nominal 8 to 12-inch diameter pilot hole to approximately <br /> 400 ft bls using mud rotary technique . <br /> 3 . 1 .7 Ream pilot hole to nominal 23 -inch diameter borehole using <br /> mud rotary technique. <br /> 3 . 1 . 8 Conduct static geophysical survey of mudded 23 -inch diameter <br /> borehole, complete. <br /> 3 . 1 .9 Furnish, install, and cement nominal 16-inch diameter PVC <br /> CERTA-LOK casing to approximately 400 ft bls . <br /> 3 . 1 . 10 Drill nominal 14-inch diameter borehole to approximately 750 <br /> feet below land surface using reverse air technique while <br /> conducting air-lift specific capacity test and collecting air-lift <br /> water sample and analyzing for CL, SO4, TDS and specific <br /> conductivity at every drill rod break. <br /> 3 . 1 . 1 1 Install pump equipment for development , geophysical logging, <br /> and pumping test. <br /> 3 . 1 . 12 Develop the production well . <br />
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