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following information: addition of traffic detectors and conduit information, video - <br /> inspection requirement of existing irrigation pipeline, street light information, <br /> modifications to the combination air relief and blow off valve details, and <br /> revisions to the working hours on 11th Street. - <br /> ITEM NO. 21 <br /> Plan Sheet C15 and C50 shall include the following additional conditions (added <br /> as Note 4 on Sheet C15 and Note 7 on Sheet C50): <br /> When working within 10-feet of the Chevron pipeline; noted as "OIL" on <br /> the drawings and located on the north side of Grant Line Road, the <br /> following shall apply: All work shall be coordinated with the Chevron Pipe <br /> Line Office at 2360 Buchanan Road, Pittsburg, California, 94565 a - <br /> minimum of two weeks in advance of construction. Chevron Pipe Line <br /> personnel must be on-site during potholing and excavation operations. <br /> All excavations within 24-inches of Chevron's pipeline facility must be <br /> completed by hand tools only. <br /> ITEM NO. 22 - <br /> Plan Sheets C15 & C50 shall include a reprint of note 14 from plan sheet G05. <br /> ITEM NO. 23 <br /> Plan Sheets C51 -As a clarification, the 10-inch and 6-inch diameter pipe shown <br /> with solid lines on the northeast side of the tank are existing pipe and no work is <br /> required at these locations. The 4-inch drain line shown as DR is part of the <br /> contract and is to extend to the detention basin slightly off the page for a total <br /> pipe length of 253 feet, daylighting at invert elevation 43.9 feet. _ <br /> ITEM NO. 24 <br /> Plan Sheets C112, 4"-8" Quarry Spalls called out in the upper left detail, shall be - <br /> defined as crushed aggregate no smaller than 4" and no larger than 8". <br /> ITEM NO. 25 <br /> Plan Sheets PS 6, Detail 2, Section D-D, the pumps shall be placed in a new <br /> structure. The detail shall include a note stating, "The outlet pipe of each of the _ <br /> two pumps shall be combined in a single manifold after each check valve. The <br /> manifold discharges through a single 4-inch hose, which shall be inserted into <br /> the 12-inch line as shown." -- <br /> ITEM NO. 26 <br /> Division III - Section 02105 Sewer Bypassing," Section 2.01 B, "Primary Flow - <br /> control Pumps and Generators" -The sentence shall be modified to read, "A <br /> minimum of one primary pmp is required for each flow control system." <br /> B. Plans: <br /> Addendum No. 3 -August 24, 2007 <br /> Northeast Industrial Phase II Water and Sewer Project _ <br /> CIP 7468, 7589, 7590 <br />