Pipelaying Tender-VOL IV - WorleyParsons.com

EPMC SERVICES FOR REWARI – KANPUR PIPELINE
SPECIFICATION FOR PIPELINE HYDRO TESTING
12.3 Hydrostatic Testing after Rectification of Damage/Defects
Damage and/or defects detected during pre-cleaning, filling, gauging and pressure testing
operations shall be located and repaired or replaced by the CONTRACTOR in accordance with the
Project Specification for Pipeline Construction (Specification No. MH2145-C000-PL-SPC-0001). The
proposed repair and / or replacement procedure shall be verified by the CONTRACTOR and
approved by the OWNER when the actual defect conditions are known. Damage/defect shall be
rectified as per approved repair procedures.
Following completion of the repairs, the testing operation interrupted for the repair works shall be
repeated in accordance with all requirements of this Specification until the hydrostatic test has been
successfully completed.
The CONTRACTOR shall keep complete and comprehensive records of all damage/defects
identified and the subsequent repairs carried out.
The damage/defect records shall include, as a minimum, the following details:
(i) Exact time/date, location, type and cause of the defects and/or failures.
(ii) Method of repair used.
(iii) Equipment, materials and personnel utilized.
The damage/defect records shall be submitted to OWNER as part of the final Hydrostatic Test
Dossier.
All defective materials such as pipes, fittings and valves which have failed during pressure testing
and subsequently been replaced, shall be clearly marked, labeled and quarantined. The label shall
clearly state the location, from where it came and the cause of failure. Such material shall be held in
quarantine by the CONTRACTOR until the means of disposal has been agreed with the OWNER.
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