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LINE B-2-3 AND B-2-4
City of Pleasanton
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CITY CLERK
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LONG TERM AGREEMENT
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ZONE 7
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LINE B-2-3 AND B-2-4
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9/13/2011 11:43:40 AM
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5/14/2004 10:35:01 AM
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LONG TERM AGREEMENTS
LONG TERM AGREEMENTS - DOCUMENT DATE
6/10/1987
LONG TERM AGREEMENTS - NAME
ZONE 7
LONG TERM AGREEMENTS - TYPE
MISC AGMT
LONG TERM AGREEMENTS - RECORD SERIES
704-06 (Long Term Agreements)
LONG TERM AGREEMENTS - DESTRUCTION DATE
PERMANENT
LONG TERM AGREEMENTS - NOTES
PROJECT 86-11
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sEcTION 15 <br /> <br />CAST-IN-PLACE CONCRETE PIPE <br /> <br />15-01 <br /> <br />15-02 <br /> <br />15-03 <br /> <br />General: Cast-!n-place pipe shall consist of Portland Cement Concrete <br />placed in a prepared trench as specified herein and at such locations as <br />shown on the plans or specifically approyed by the Engineer. <br /> <br />Reference Specifications: Materials and installation of cast-in-place <br />pipe shall be in accordance with the latest edition of the Standard <br />Specifications for Public Works Construction, written by the Southern <br />California Chapter of the APWA and as modified herein. In case of <br />conflicts between the reference specifications and these supplemental <br />specifications, the specific requirements of these specifications shall <br />govern. <br /> <br />Materials: Concrete shall conform to ASTM C150 (Type II) and Section 90 <br />of the Standard Specification. The combined aggregates shall conform to <br />the specified grading limits for ~e 3/4" maximum size for pipe diameters <br />48" or less and for the 1-1/2" maximum size for pipe diameters over 48" <br /> <br />An air-entraining admixture may be used, at the contractor's option, is <br />such amount as will affect the entrainment of the maximum of 4 and 6 <br />percent of air by volume of the concrete as discharged by the mixture. <br />Other admixtures may be used only with the approval of the Engineer. <br />Admixtures when used shall be used only in accordance with the <br />recommendations of the manufacturer and shall conform to the appropriate <br />specifications as indicated below. The use of any admixture requires <br />the written approval of the Engineer. <br /> <br />Air-entraining admixtures--"Specificati6ns for Chemical Admixtures for <br />Concrete" (ASTM C 494). <br /> <br />Fly ash and pozzolans--"Specifications for Fly Ash and Raw or Calcined <br />Natural Pozzolans for Use in Portland Cement Concrete" (ASTM C 618). <br /> <br />Bonding mortar shall consist of not less than two parts of cement to <br />three parts of sand by volume. <br /> <br />The allowance for~ slump shall not exceed 3". <br />The supplier of transit-/~mixed concrete for use in cast-in-place pipe <br />shall deliver to the inspector a certificate with each load of concrete. <br />The certificate shall contain the following information: <br /> <br />a. A certificate identification number. <br /> <br />b. The name of the vendor. <br /> <br />c. The name of the contractor. <br /> <br />The number of cubic yards in the batch. <br /> <br />CDS.1.14 15-1 <br /> <br /> <br />
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