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. . . Attachment to Change Order No.1 URS Job No. 37951-023-0101 Owner: Contractor: Project: City of Arden Hills Amt Construction Company, Inc. 2003 Pavement Management Program Description of changes: Several additions and modifications were made to the project plans as a result of field comments and requests made by the City of Arden Hills and the engineer during construction of the projecl. These minor revisions were made to several different areas of the plans. As a result of these modifications, the scope of the project was increased, as well as the original contract amount for the work. The following is an overview of the modifications made to the contract: Item # 1- Additional Undere.round Utility Work The engineer requested the contractor to perform a variety of additional utility work throughout the process of construction. This work was required to accommodate the proposed utility installation, as well as eliminate future maintenance issues for the city. This work was performed on a time and material basis. Specific Work Orders are included with this Change Order for documentation. The scope of this additional utility work is as follows: STORM SEWER ^) Field adjustments. to manhole D-2 due to conflicts with in-place private utilities. B) Re-alignment of manholes STS-2 and STS-3 due to conflicts with in place private utilities. C) Modify catch basins CB-2, CB-3, CB-14 and CB-17 to avoid existing 6" steel gas main, D) Modify proposed storm structures. along Ingerson Road at Femwood Street, as well as along Cannon A venue at Tiller Lane as existing in-place utilities differed from as-built information. E) Miscellaneous minor field modifications to CBMH 30, CBMH 19, and CBMH 12. These changes were made to accommodate a field changes to. the road profiles. Cost of Storm Sewer Work = $16,433.88 SANITARY SEWER A) Exploratory excavation along Ingerson Road to verify existing utility locations. B) Relocate existing sanitary service at Fernwood Ct. to avoid a conflict with the proposed storm sewer. Cost of Sanitary Sewer Work = $10,851.87 W A TERMAIN A) Expose existing water main along Amble Drive. Unable to shut down gate valve. D) Remove. furnished and install a new gate valve along Amble Drive at Amble Circle. C) Performed a wafer main offset at STS-3 to avoid conflict with proposed storm sewer. D) Remove and replace unsuitable material in roadway (Amble Dr.) at damaged gate valve. E) Perform a water main offset along Ingerson Road at Fernwood Street to avoid a conflict with the proposed storm sewer. F) Removed, furnished and installed a new gate valve along Ingerson Road at Fernwood Street. G) Exploratory excavation along Ingerson Road to verify existing utility locations. Cost of Water main Work = $43,338.88 Total Cost of Item # 1 $70,624.63 20f3 Change Order No. )