Volume-II of IV - GAIL

MECON LIMITED
REGD. OFF : RANCHI (BIHAR)
PROCESS & PIPING
DESIGN SECTION
NEW DELHI
STANDARD SPECIFICATION
TITLE WELDING OF ONSHORE GAS
SPECIFICATION NO. PAGE 35 OF 48
PIPELINES
MEC/S/05/62/02 REVISION
16.9.3 When evaluating repair film, radiographers shall compare each section
(exposure) of the weld with the original film to assure repair was correctly marked
and original defect removed.
16.9.4 The COMPANY will review prior to any repair of welds, all the radiographs of
welds which contain, according to the CONTRACTOR's interpretation,
unacceptable defects. The final disposition of all unacceptable welds shall be
decided by the COMPANY.
16.10 Qualification of Radiographers
16.10.1 Pipeline radiographers shall be qualified in accordance with the requirement of
API 1104 and to the full satisfaction of COMPANY.
16.10.2 Certification of all the radiographers, qualified as per 16.10.1 above, shall be
furnished by the CONTRACTOR to the COMPANY before a radiographer will be
permitted to perform production radiography. The certificate record shall include :
i. Background and Experience Record
ii. Training Course Record
iii. Technical Examination Record
iv. Doctor's report on radiographer's Oaecuer 0-1 acquity eye test.
v. Date of qualification
16.10.3 The radiographers shall be required to qualify with each radiographic procedure
they use, prior to performing the work assigned to him in accordance with the
specification.
16.11 Preservation of Radiographs
16.11.1 The radiographs shall be processed to allow storage of films without any
discoloration for at least three years. All the radiographs shall be presented in
suitable folders for preservation alongwith necessary documentation.
16.11.2 All radiographs shall become property of the COMPANY.
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