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TSCHIDA OW ASSO HILLS PLAT 4 2.3 Miscellaneous Removals and Replacement The temporary removal, storage and replacement of street signs, traffic control signs, mailboxes, fences and miscellaneous items shall be performed by the Contractor and they shall be considered incidental to the project as a whole, with no direct payment therefore. 2.4 Erosion Control Installation of erosion control devices will be done by others under a separate contract. The Contractor will take over and maintain the erosion control at the start of his work. No direct payment shall be made for maintaining the erosion control set up by others. Any silt fence and other erosion control necessary to control erosion shall be incidental. 4. CONSTRUCTION REQUIREMENTS 4.1 Subgrade Preparation (2112) The Contractor will be required to prepare the subgrade in accordance with the provisions of MN DOT 2112 except as modified herein. Cul-de-sac areas shall be measured by 100 foot road stations along the centerline to the radius point and there terminating. 4.2 Test Rolling Prior to placement of the aggregate or bituminous base, the City will require the completion of a test roll on the street subgrade. The Contractor shall provide a loaded tandem axle truck with a minimum gross weight of 25 tons. The Contractor shall provide a weight ticket for the test roll to the Engineer during the test roll. The test rolling shall be at the direction of the Engineer. The City may require test rolling of the aggregate base, once the base section has been constructed. Test rolling is incidental to street construction. 4.3 Aggregate Base (2211) Aggregate base construction shall be by the method of ordinary compaction. Water truck and steel roller are required when aggregate is placed. Excess rock, when streets are toleranced, will be removed and replaced with new aggregate. -2-