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

Activity Description­ Remove the Valves (70 Nos.)
from their location prior permission of ss. Dismantle
the valves. Renew the defective parts as per
opening inspection report of QC rep., after
confirming the parent material. The renewed parts
material to be tested in NABL in presence of QC
rep. Gaskets, seals etc to be renewed. Valves to be
overhauled and pressure tested at rated value of
the system.
DEPT: QC(E) C. No
74
SHIP: FC MADHUR
NAVAL DOCKYARD, MUMBAI
QUALITY ASSURANCE PLAN
REV DATE: 23 May 12 FORM Q C E 0 7 4 R E 0 1 0
No:01
NO
JOB TITLE :REFIT
QAP No : QCE74 ­245 QAP DATE : 11­JUL­12 PAGE 17 OF22
E­20030 Activity Description
Dismantle clean all parts, visual inspection of the
disc for any damage, renew if require and assemble
pressure test for its performances
1 ­ 3 3
Defect Description
Renewal of 02 in nos submersible pump (with
starter) make Modi Capacity 20 TPH. Qty 02
E­20031 Defect Description­
Renew following Main engine and DG Exhaust
system compensator/ Flexible pipe, silencer and
exhaust pipe as per sample.
(a) Main engine Exhaust Compensator, Dia­ 188
mm(NB), Mat­ Steel, TP­ 3.0 kg/cm2. Qty 02
(b) Main engine Exhaust silencer, Dia­ 200 mm (NB
), Mat­M.S. ASTM 106 Gr.B. or Eqv. TP­ 3.0
kg/cm2. Per valve Per valve Qty 02
(c) Main engine Exhaust pipe, Dia­ 200 mm (NB),
Mat­M.S. ASTM 106 Gr.B. or Eqv. TP­ 1.7 kg/cm2.
Length 10 meter
(d) DG Exhaust Expansion joint/ Flexible pipe, Dia­
1 ­ 3 3
DYT/INCOD/12­13/106(a)/PL­YCM/MADHUR­REFIT/420 100/127