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

new flanges. Hot bending is not permitted for GI
pipes. Post fabrication the pipes to be pressure
tested .All pipes to be painted by oil paint as per
systems color code. Pipes to be fitted back in place
by using new Gaskets and Fasteners. Secure the
pipes to ships structure. The system to be Leak
tested. All the old Pipes are to be handed over to
the ship’s staff / customer
Remarks:­ Srl (c), (f), (g) and (l) must be renewed
by MS(Hot Dip Galvanized) Pipes as the medium is
sea water.
E­20033 Defect Description­
The following Water valves to be renewed. Size (In
mm)/Test Pr (in Kg/Cm2).} Material­Gun Metal.
(a) Both main sea suction SDNR valve 80/ 3.5
kg/cm2 Qty 02
1 ­ 3 3
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 20 OF22
(b) Both main sea suction SDSL valve 80/ 3.5
kg/cm2 Qty 02
(c) Both sea chest air release SD valve 40/ 3.5
kg/cm2 Per nos Qty 02
(d) Both sea chest weed cleaning Air Valve 20/ 10.5
kg/cm2 Qty 02
(e) Both M/E S/W pump suction (N/R) Valve 50/ 3.5
kg/cm2 Qty 02
(f) Both M/E S/W suction 3 way plug Valve 50/ 3.5
kg/cm2 Qty 02
(g) Both M/E Emergency cooling SDNR valve 40/
4.5 kg/cm2 Qty 02
(h) DG SW pumps suction & emergency cooling
SDNR valve 32/ 4.5 kg/cm2 Qty 02
(j) GS & bilge Pump suction valve 50/4.5 kg/cm2
Qty 02
DYT/INCOD/12­13/106(a)/PL­YCM/MADHUR­REFIT/420 103/127