WHAT’S THIS ABOUT THE PIPE?
The last post “X Marks the spot” shows broadly where the leak is situated and explained a little about the pipe.
Chris took a couple of pictures of where the shut-off or ‘Gate valves’ are physically located, Cressy Street, Macleay. There are similar indications on the Red e Map of valves on Lamb island.. Not a lot to see, other than the spray markings made by the Seqwater people.
This only makes sense, the ability to isolate the section of pipe. But isolating it is just one small step. The water supply originates from something called “HEINEMANN ROAD TRUNK”. That’s all I have, is a name and location on the mainland. I have outlined the areas in blue..
Here is the available information:
Water Mains – Operating
Asset No : 372962
Status : OPERATING
Private Owner : SEQWATER
Length : 225.83
Material : MSCL
Diameter : 300
Use : TRUNK
Location : W032
Location Description : NSI TO HEINEMANN ROAD TRUNK – WATER SUPPLY
Install Date : 12/12/1996
Subdivision : WAT1011
Drawing No : 95
So, to summarise. we have a steel pipe Mild Steel Cement Lined (MSCL), approximately 350 mm (total outside diameter) 224 Metres long and encased in concrete.
You can’t buy that at Bunnings..
But I did find out what this mysterious acronym MSCL means :- Mild Steel Cement Lined and found a promotional video as well!
The plot slowly unfolds. The term ‘concrete lined’ was easily misinterpreted. In this case, the concrete is INSIDE the pipe, NOT outside as was assumed – hey, we are not civil engineers!
So the question of how to get the pipe across the 225m of Lucas Passage is a little easier. In my research, I found numerous references about how to join, weld, safety, etc…
The picture above shows lengths on a truck. Presumably, these could be welded onsite and “fed” across the Lucas passage.
FUTURE WATER PROVISIONS
The other day (Monday) Chris sent me this email about what future provisions are being made in the case of water being cut off for any reason (maintenance, replacement, severe leakage, etc).. As so easily can happen, I misfiled the email, just found it now (Wed)
“To whom it may concern, I was wondering with the obvious future loss of water supply to Macleay Island due to leaking water mains Lucas passage, Lamb island to Macleay island.
I was wondering has RCCouncil employees that go to the meetings that we all have heard they have when we want to be in contact to get a resolution to a drawn-out ongoing situation.