Volume-II of IV - GAIL

- Stop field coating until remedial measures are taken against the causes of such
faults, to the entire satisfaction of the Company.
6.2 CONTRACTOR shall replace all joint found or expected to be unacceptable as per
section 5.0 of this specification.
6.3 CONTRACTOR shall, at his own cost repair all areas where the coating has been
removed for testing by COMPANY.
6.4 After the coating work on welded joints, fittings and repairs to the coating have
been completed the coating as a whole shall be tested with a spark-tester before
lowering or jacking the pipeline.
6.5 COMPANY shall be entitled to check the coating on buried pipelines or parts of
pipelines with equipment such as the "Pearson Meter" and the resistance meter. If
the Coating defects are established, the Contractor shall be responsible for
excavations at such points repair the coating, spark testing and back filling the
excavations without extra charge.
7.0 DOCUMENTATION
7.1 Prior to procurement of coating materials, Contractor shall furnish the following
information for qualification of the manufacturer and material :
i. Complete information as per clause 5.2, DIN EN 12068 alongwith
descriptive technical catalogues.
ii. Test certificates and results of previously conducted tests, for all
properties listed in clause 3.2 of this specification.
iii. Reference list of previous supplies, in last 5 years, of the similar material
indicating the project details such as diameter, quantity, operating
temperature, year of supply, project name, contact person and feed back
on performance.
Once the Company’s approval has been given, any change in material or
Manufacturer shall be notified to Company, whose approval in writing of all
changes shall be obtained before the materials are manufactured.
7.2 Prior to shipment of materials from the Manufacturer’s works. Contractor shall
furnish the following documents :
i. Test certificates/ results as per Manufacturer’s Quality Control Procedure
for each batch of materials.
ii. Specific application instructions with pictorial illustrations.
iii. Specific storage and handling instructions.
7.3 All documents shall be in English language only.
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