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CONTRACTOR shall notify the ENGINEER, in writing, of the preferred <br />method of testing and shall notify the ENGINEER, in writing, the date and <br />time scheduled for the testing. The CONTRACTOR shall receive written <br />'I confirmation from the ENGINEER of the notice. The CONTRACTOR <br />shall submit to the ENGINEER a copy of the pile driving log /investigation <br />'I for the test piles. <br />4.4 SUBMITTALS: <br />A. Pile order lists, details of equipment and methods proposed for <br />handling and driving piles, and the sequence of construction shall be submitted, <br />in writing, to the engineer. Driving of piles shall not commence until the <br />Engineer's review of proposed equipment is complete and an authorization to <br />proceed is given. <br />B. Shop drawings showing the number and size of prestressing strands, <br />prestress force, reinforcing, mark numbers, pick point locations, and all <br />other details necessary for manufacturing and handling the prestressed <br />concrete piles. Casting of piles shall not commence until shop drawings are <br />approved by the Engineer. <br />4.5 QUALITY ASSURANCE: <br />A. Driving - It is the Contractor's responsibility to install, in an <br />undamaged condition, all the piles to the tip elevations on the drawings or to <br />refusal as defined by the Engineer. The Contractor shall select, subject to <br />I� the approval of the Engineer, the hammer size and cushion type and thickness, <br />and the frequency of replacement of cushions so that piles can be installed <br />�I without damage. If piles are hollow (voided) or if they contain internal jet <br />pipe, the Contractor shall submit, subject to the approval of the Engineer, <br />the methods and procedures to be used during driving or jetting to ensure that <br />the piles are not damaged by bursting forces from "water hammer' or <br />jetting /driving operations. <br />I' TS-18 <br />RJC/OBWSUNNY ISIESrrECHSPECS <br />