R2012-157 AUTHORIZING SPENDING AUTHORITY OF CITY MANAGER FOR CONTRACTS WITH GREAT LAKES DREDGE & DOCK COMPANY

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CONTRACT Special attention is called to Articles 107.09 and 107.14 and Sections 701, 702, and 703 of the Standard Specifications for Road and Bridge, current edition Construction and the following highway standards relating to traffic control: Highway Standards: 701501 701606 701901 It is the intent of the City that all streets under this project shall be kept open to traffic at all times except to permit time to cure unless permission is obtained from the engineer to close said lane and/or street for other reasons. In the event that it is necessary to close the lane and/or street, the Engineer shall be consulted to obtain permission at least 48 working hours in advance of the proposed lane and/or street closing. All appropriate lane closure permits shall be filed with the Engineering and Infrastructure Department of the City prior to any street/lane closures. In addition, at the end of every work day the lane and/or street shall be opened to local traffic unless approved by the Engineer. It shall be the responsibility of the Contractor to notify the Engineering Division, who will in turn, notify all forms of local media of the schedule of street closures for the following week after receiving the approval by the Engineer. A copy of the notification will be provided to the Contractor. All additional traffic control as required in the standard details that are not specifically provided for herein will be considered as included with the various pay items requiring traffic control. SECTION 32. Phase A - Polyethylene Pipe Installation This work shall be included in the contract unit price per lump sum for Mobilization and Phase A—Polyethylene Pipe Installation, as marked in Exhibit A. The work includes providing and installing polyethylene (PE)pipe with a minimum pressure rating of DR 13.5 for approximately the west half and DR 17 for the remaining pipe as shown on the project plans. All PE pipe shall conform to the current versions of the Standard Specifications for Road and Bridge Construction and the Standard Specifications for Water and Sewer Construction in Illinois. The pipe shall be placed on the surface of the ground and appropriately anchored to limit movement. All driveways, sidewalks and roadways crossed by the pipe shall be installed in a trench with trench backfill and the pavement restored in accordance with City Standards. All joints shall be properly welded in accordance with manufacturer specifications. Two fusion machines will be required to perform the installation work. The Contractor shall provide 25 feet of appropriately sized polyethylene casing pipe through the Norfolk Southern right of way center under the bridge as shown on the project plans. If work is stopped by the City due to the recovery (filling) of Lake Decatur,the Contractor shall provide to the City the actual costs incurred during the mobilization and/or setup of 10