naval dockyard, mumbai - Irfc-nausena.nic.in

suitable for DP Test
approved
equivalent
standards
NAVAL DOCKYARD MUMBAI
DOC CODE Q C H 7 4 Q A P 0 3 8
DEPT : MQC ( HULL) C NO 74 ISSUE
NO 02
DATE : 22 APR 09 PAGE 4 OF 9
(a) Second DP Test,
(b) Examine defect free
weld and adjoining area,
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(c) Identify and note the
‘X’ Ray spots or locations
approx. 10% of weld
length (Seam + Butts) for
u/w and 5% for a/w,
which can co­relate while
interpretation / review of
‘X’ ray film. UT will be
substitute where
radiography not possible.
(a) Interpretation of
radiography film and
justify the ‘X’ Ray report.
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14 (b) Action accordingly i.e.
accept or repair (c)
Follow the same (a) if
there is repair but as per
procedure.
Pressure test or leak test
whichever possible or
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suitable for particular job
will be decided by QC
16 Preservation (in and out)
priming and painting after
above all tests are
SB Standard,
ASME Sec IX
SB Standard
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DYT/INCOD/12­13/106(a)/PL­YCM/MADHUR­REFIT/420 59/127