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FEB 2006 as reported by Mark Dye. P6001A P6001B P6003A N East firewater pond West firewater pond P6003B P6002B P6002A East isolation gate West isolation.

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Presentation on theme: "FEB 2006 as reported by Mark Dye. P6001A P6001B P6003A N East firewater pond West firewater pond P6003B P6002B P6002A East isolation gate West isolation."— Presentation transcript:

1 FEB 2006 as reported by Mark Dye

2 P6001A P6001B P6003A N East firewater pond West firewater pond P6003B P6002B P6002A East isolation gate West isolation gate Pump house layout

3 Unpacking P6001A

4

5 This is the pumps hydraulic end With the pump submerged, the water flows up through the shaft housing

6 The business end !

7 The pump and first pipe spool being lowered into the well…

8 …into the icy water below

9 Looking down through the spool to the pump top below

10 A shaft bearing is installed between each pipe spool and clamped between the flanges The bearing is water lubricated and made of PTFE

11 The shaft joining piece has a left hand thread! The next pipe spool is lowered into position

12 Jointing compound

13 The flanges are bolted together, then torqued down to 175 ft-lbs. The support is opened, and the pump is lowered.

14 With all the parts assembled we have… The pump at approx 2.5 metres Three spools at 1.7 metres each One spool at 1 metre Giving a total of 8.6 metres Now we need the stuffing box assembly

15 The stuffing box assembly is unpacked, And the top bearing assembly removed.

16 The top bearing assembly is keyed to the shaft because it also contains a ratchet device to prevent back turning of the shaft.

17 STEADY AS SHE GOES!!!

18 Thread the shaft through and line up the spool bolts. The whole assembly now needs to be lifted to remove the spool support. The combined weight is now 3.7 tonnes.

19 The top bearing is re-installed and keyed to the shaft.

20 The coupling housing and motor stand installed. The coolingwater supply, …and return, and constant level oiler is fitted.

21 10kv Electric motor installed

22 PUMP SPECIFICATIONS Pump speed1480rpm Test pressure33barg Rated flow240 l/s (864t/hr) Head158.4 mtrs. (15 barg)

23 The jockey pump is exactly the same as the main pumps, …only in miniature!

24 The pump had its first test run… …flushing firemains into the night!


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