R2013-58 ACCEPTING THE BID AND AUTHORIZING A CONTRACT

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CITY OF DECATUR SPECIAL PROVISIONS ' SP-5 AGGREGATE BASE COURSE FOR CLASS B PATCHES Description: This work will consist of installing an aggregate base course under Class B Patches in accordance with Section 351 of the Standard Specifications. The work will include over excavating to a depth of 4" below the bottom of the pavement slab and installing compacted CA-6 aggregate. Method of Measurement: The excavation of material below the base of the pavement ' slab will not be measured for payment. The placement of aggregate base course, Class B Patches and associated items will be measured in accordance with the specifications. ' Basis of Payment: All labor, equipment, and materials necessary to excavate and provide and install CA-6 aggregate under the patches will be paid for at the contract unit price per square yard for AGGREGATE BASE COURSE, TYPE B, 4". The over excavation of ' material at the various patches will not be paid for separately but will be considered included in CLASS B PATCHES ' SP-6 DRIVEWAYS Description: Work done adjacent to the north and south driveways on the far west end ' of the project (Sta. 10+62 toll+10 and Sta. 10+62 to 11+89)will be completed on the weekend so that those two driveways can be closed in order to complete the work with minimal disruption to businesses. Work can begin as early as 4:30pm Friday afternoon and High-Early-Strength PCC Pavement with 8 inches of CA-6 aggregate with no lime modification will be used to provide a drivable surface by 5:00am Monday morning. If the contractor chooses to pour both lanes at the ' same time,the contractor shall follow Highway Standard 420001 for a longitudinal sawed joint. Otherwise follow the detail for the longitudinal construction joint in the same standard. ' For the driveway located at Sta. 12+90 at least half of the eastbound and westbound lanes adjacent to this driveway must remain open for the duration of the project to allow turning in and out of that driveway,unless other arrangements are made with the property owner. All other driveways must remain open and accessible except for periods not to exceed 6 hours as coordinated with the property owner. Concrete poured adjacent to drive approaches shall meet the requirements of Article 701.17 (e) (3) of the Standard Specifications to allow for opening to traffic within 6 hours. The contractor will be responsible for coordinating this work with the property owner.