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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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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 29 <br /> <br />GROUTED ROCK SLOPE PROTECTION <br /> <br />29-01 <br /> <br />29-02 <br /> <br />General: Grouted rock slope protection, .as specified herein, includes <br />the construction of a revetment-type 9routed rock course with an under- <br />lying filter blanket to approved lines, grades and dimensions. <br /> <br />Materials: <br /> <br />a. Rock. The rock shall consist of sound, dense, and durable rock; <br />~ and free from earth, clay, refuse and adherent coating and <br />shall have a bulk specific gravity of not less than 2.5 when <br />tested in accordance with the Standard Method of Test for Specific <br />Gravity and Absorption of Coarse Aggregate, ASTM Designation <br />C-127. The loss by abrasion in the Los Angeles testing machine <br />determined as prescribed in the Standard Method of Test for <br />Abrasion of Course Aggregate by use of the Los Angeles Machine, <br />ASTM Designation C-131, shall not exceed 50 percent by weight <br />during 500 revolutions. <br /> <br /> The rock shall be uniformly graded in size either from four (4) to <br /> twelve (12) inches with an allowable maximum of fifteen (15) <br /> inches, or from six (6) to eighteen (18) inches with an allowable <br /> maximum of twenty-four (24) inches, whichever is approved by the <br /> Engineer for the specified location and channel condition. Not <br /> more than 5 percent of the material by weight shall be under the <br /> minimum size specified. The Contractor shall advise the Engineer <br /> of the source from which he intends to obtain such material at <br /> |east ten (10) days in advance of importing any rock to the job <br /> site, and no material shall be used until approved py. the <br /> Engineer. <br /> <br />b. Concrete Grout. Concrete shall be composed of cement, concrete <br /> sand, coarse aggregate, and water mixed in the proportions by <br /> weight as determined by the Engineer. The cement content shall be <br /> 5 sacks per cubic yard of concrete, slump shall be seven (7) to <br /> ten (10) inches and maximum size aggregate shall be 3/4 inch. The <br /> concrete grout shall be of such consistency as to be readily <br /> worked into the rock voids by spading, rodding, and brooming. <br /> Except as otherwise specified above, concrete for grout shall <br /> conform to the applicable provisions in Section 90 of the Standard <br /> Specifications for Class B concrete. <br /> <br />CDS.1.18 29-1 <br /> <br /> <br />
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