|
feasibility meeting with the Contractor to discuss the feasibility of repairing rejected piling. The Engineer will consider the
<br /> size of the defect, the location of the defect,and the design information and corrosion protection considerations for the pile.
<br /> This information will be made available to the Contractor,if appropriate, for the development of the mitigation plan. If the
<br /> Engineer determines that it is not feasible to repair the rejected pile, the Contractor shall not include repair as a means of
<br /> mitigation and shall proceed with the submittal of a mitigation plan for replacement or supplementation of the rejected pile.
<br /> If the Engineer determines that a rejected pile does not require mitigation due to structural, geotechnical, or corrosion
<br /> concerns, the Contractor may elect to 1)repair the pile per the approved mitigation plan, or 2)not repair anomalies found
<br /> during acceptance testing of that pile. For such unrepaired piles, the Contractor shall pay to the State, $400 per cubic meter
<br /> for the portion of the pile affected by the anomalies. The volume, in cubic meters, of the portion of the pile affected by the
<br /> anomalies, shall be calculated as the area of the cross-section of the pile affected by each anomaly, in square meters, as
<br /> determined by the Engineer, multiplied by the distance, in meters, from the top of each anomaly to the specified tip of the
<br /> pile. If the volume calculated for one anomaly overlaps the volume calculated for additional anomalies within the pile,the
<br /> calculated volume for the overlap shall only be counted once. In no case shall the amount of the payment to the State for any
<br /> such pile be less than $400. The Department may deduct the amount from any moneys due, or that may become due the
<br /> Contractor under the contract.
<br /> Pile mitigation plans shall include the following:
<br /> A. The designation and location of the pile addressed by the mitigation plan.
<br /> B. A review of the structural,geotechnical,and corrosion design requirements of the rejected pile.
<br /> C. A step by step description of the mitigation work to be performed,including drawings if necessary.
<br /> D. An assessment of how the proposed mitigation work will address the structural, geotechnical, and corrosion design
<br /> requirements of the rejected pile.
<br /> E. Methods for preservation or restoration of existing earthen materials.
<br /> F. A list of affected facilities,if any,with methods and equipment for protection of these facilities during mitigation.
<br /> G. The State assigned contract number, bridge number, full name of the structure as shown on the contract plans,
<br /> District-County-Route-Kilometer Post,and the Contractor's(and Subcontractor's if applicable)name on each sheet.
<br /> H. A list of materials, with quantity estimates, and personnel,with qualifications,to be used to perform the mitiation
<br /> work. g
<br /> I. The seal and signature of an engineer who is licensed as a Civil Engineer by the State of California.
<br /> For rejected piles to be repaired,the Contractor shall submit a pile mitigation plan that contains the following additional
<br /> information:
<br /> A. An assessment of the nature and size of the anomalies in the rejected pile.
<br /> B. Provisions for access for additional pile testing if required by the Engineer.
<br /> For rejected piles to be replaced or supplemented, the Contractor shall submit a pile mitigation plan that contains the
<br /> following additional information:
<br /> A. The proposed location and size of additional piling.
<br /> B. Structural details and calculations for any modification to the structure to accommodate the replacement or
<br /> supplemental piling.
<br /> All provisions for cast-in-drilled-hole concrete piling shall apply to replacement piling.
<br /> The Contractor shall allow the Engineer 3 weeks to review the mitigation plan after a complete submittal has been
<br /> received.
<br /> Should the Engineer fail to review the complete pile mitigation submittal within the time specified, and if,in the opinion
<br /> of the Engineer, the Contractor's controlling operation is delayed or interfered with by reason of the delay in reviewing the
<br /> pile mitigation plan,an extension of time commensurate with the delay in completion of the work thus caused will be granted
<br /> in conformance with the provisions in Section 8-1.09, "Right of Way Delays,"of the Standard Specifications.
<br /> When repairs are performed, the Contractor shall submit a mitigation report to the Engineer within 10 days of
<br /> completion of the repair. This report shall state exactly what repair work was performed and quantify the success of the
<br /> repairs relative to the submitted mitigation pian. The mitigation report shall be stamped and signed by an engineer that is
<br /> licensed as a Civil Engineer by the State of California. The mitigation report shall show the State assigned contract number,
<br /> bridge number, full name of the structure as shown on the contract plans, District-County-Route-Kilometer Post, and the
<br /> Contractor (and Subcontractor if applicable) name on each sheet. The Engineer will be the sole judge as to whether a
<br /> mitigation proposal is acceptable, the mitigation efforts are successful, and to whether additional repairs, removal and
<br /> replacement,or construction of a supplemental foundation is required.
<br /> Contract No. 10-OM7104
<br /> 167
<br />
|