On 22 January 2014 23:31, yuri <[email protected]> wrote: > Also, pipes can crack if, say, the ground moves violently. That > wouldn't happen in Christchurch though, would it? :-) >
I'd imagine heavy frosting can cause the density of soil to change sufficiently to cause damage. Though that'd be more a problem in russia I'd imagine. For some reason I thought "Have the pipe terminate above a draining point somewhere on a gentle slope", so you cap the ends when not maintaining things to keep bugs and dirt out, but you can still uncap for cabling and to drain water when it becomes a problem. A low tech approach if you don't mind occasional manual intervention. -- Kent
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