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RedR TSS

Dear Neil

Having worked in Oman on and off for several years I've seen some of the falaj systems that you're talking about.

I believe that in some cases it would be quite practical to line them with flexible polyethylene pipes, depending on the size and spacing of the access shafts, in the same way that thin polyethylene pipes are used to line sewers.

The minimum bending radius of PE pipes is in the region of 20 to 30 times the pipe OD. You would need to take this in to account when looking at whether it would be possible to get the liner pipes down the shafts and in to the falaj channel.

If you require any further information please drop me a line as I'm based across the border in Abu Dhabi and visit Oman several times a year.

andrew.wedgner@borouge.com

Regards

Andy Wedgner

Dear Neil

Having worked in Oman on and off for several years I've seen some of the falaj systems that you're talking about.

I believe that in some cases it would be quite practical to line them with flexible polyethylene pipes, depending on the size and spacing of the access shafts, in the same way that thin polyethylene pipes are used to line sewers.

The minimum bending radius of PE pipes is in the region of 20 to 30 times the pipe OD. You would need to take this in to account when looking at whether it would be possible to get the liner pipes down the shafts and in to the falaj channel.

If you require any further information please drop me a line as I'm based across the border in Abu Dhabi and visit Oman several times a year.

andrew.wedgner@borouge.com

Regards

Andy Wedgner