Volume-II of IV - GAIL

The contractor shall be responsible for placing these devices (Marker
Magnets or Locator coils or any other device) at suitable interval so that
the defect can be easily located in the field with minimum above ground
measurement. It may be noted that placement of marker devices, their
retrieval and locating the identified defect in the field shall be the
responsibility of the contractor. The liquidation of defects, if any, is
however, not included in the scope of work of the contract.
11.0 DEFECT VERIFICATION
At the discretion of the COMPANY/ CONSULTANT identify at least two
verification dig sites for each pipeline jointly with MECON and GAIL from
the recorded data and provide MECON/ GAIL with their distance from the
nearest pipeline feature or reference marker to facilitate location of defect
in the field.
The contractor shall depute his representative to observe the verification
at verification sites for proving that filed log detected anomalies conform
to sizing including linear and circumferential positions.
12.0 ABNORMAL SITUATIONS
The objective of this section is to write down foreseeable abnormal
circumstances for taking appropriate measures, should such a condition
arise during implementation of project.
The following abnormal condition have been foreseen by the Comapny.
However, if the BIDDER foresees any other abnormal condition, he is free
to make a mention of the same in his technical BID offer:
12.1 Tool Failure
CONTRACTOR is required to get valid interpretable and verifiable data for
pipeline. In case CONTRACTOR’S equipment fails to perform electronic
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