Page 43 - Shipyards

BOILERS

1- Water Tube Boilers :

Remove access, clean, open up drums and headers for inspection and reclose.
Working pressure Charges
2
Kg / cm U.S.D.
Up to 20 2350
40 3125
Above 40 3900

Notes :
(١) Manhole gaskets, owner supply.
(٢) Chemical cleaning excluded.
(٣) Staging 5% extra charge.
(٤) Any repairs excluded.
(٥) Spreading of water pipes (pipes vessel supply) additional changes will be as following.
th
st
- 1 pipe to 10 pipe 115 U.S.D. / pipe
th
- From 11 pipe and over 25 U.S.D. / pipe

II – Boiler Valves :
* Open up, clean, grind in close up with new packing :
Valve Diam. Charges
In Inches U.S.D.
1 80
2 95
3 100
4 140
5 160
6 185
7 210
8 240

Notes :
(١) Any renewals or repairs are excluded.
(٢) Safety valves to be charged as follows :
- Single seat 300 U.S.D.
- Double seat 450 U.S.D.

III – CONDENSERS :
Remove doors, clean up tubes, test, clean doors paint and close up.
Shaft Charges
Horse Power U.S.D.
5 000 1100
10 000 1875
20 000 2875

Notes :
(١) Any repairs are excluded.
(٢) Water for testing extra charge.

42