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  #1  
Old 11-06-2013, 05:29 PM
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greenmonster304 greenmonster304 is online now
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Serious root intrusion

We work at a this HOA that has a system that irrigates the sides of the road. Over the past six months the pressure on 4 of the zones has gone from acceptable to piss poor. We dug out one pipe today that was almost completely choked off.

I am at a loss on what to propose because of how fast this is happening and these Linden trees line the whole road so this is going to keep happening. The roots on these trees are super dense and go from the edge of the road to the privet hedge so there is no easy way around them. Any ideas?





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Old 11-06-2013, 05:40 PM
SoCalLandscapeMgmt SoCalLandscapeMgmt is online now
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Replace the entire run in SCH 40 PVC?
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Old 11-06-2013, 08:00 PM
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DanaMac DanaMac is online now
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Quote:
Originally Posted by SoCalLandscapeMgmt View Post
Replace the entire run in SCH 40 PVC?
Sch 40 will hold up longer, but it will still get pinched and broken. I've replaced plenty of sch 40 due to tree roots.

Best answer to give the HOA, is to increase their budget for repairs.
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Old 11-06-2013, 08:08 PM
SoCalLandscapeMgmt SoCalLandscapeMgmt is online now
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Sch 40 will hold up longer, but it will still get pinched and broken. I've replaced plenty of sch 40 due to tree roots.

Best answer to give the HOA, is to increase their budget for repairs.
Yep. It might hold up twice as long. The other option (if even possible due to valve placement) would be to sleeve the entire run of poly in SCH 40 PVC that is at least 1.5 to 2 times the diameter of the poly.

Increased repair budget is probably the most cost effective route. We maintain an 89 acre industrial park that has a 3" main line. Some genius decided to install the main line in the parkway where then then planted Camphor trees on a 20' spacing. The trees are now at the size and age where they are breaking the main frequently (at least one to two breaks a month). There are probably a good 200 trees all with the 3" main within 4' of them. There is really noting to do other than make the repairs when it happens.
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Old 11-06-2013, 08:39 PM
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greenmonster304 greenmonster304 is online now
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I was just amazed how quickly the roots can crush the pipes. 6 months ago some of these zones were working fine.
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Old 11-06-2013, 09:51 PM
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Zones can work fine with a pipe more than 80 percent closed. We're just seeing the final act.
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Old 11-07-2013, 02:24 AM
greendoctor greendoctor is online now
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Line trench with Typar Biobarrier and backfill trench with sand. Yet another reason there is no poly in the tropics. Even then, valves and pipe not protected from tree roots lasts a decade or less.
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Old 11-07-2013, 05:41 AM
ArTurf ArTurf is online now
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The trees aren't that big so it wouldn't be a huge cost to cut them down and make the area grass only. The advantages would be less maintenance on grounds care and irrigation. Well maintained turf would lood better than the bare ground under the trees also.
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Old 11-07-2013, 07:51 AM
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greenmonster304 greenmonster304 is online now
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The trees aren't that big so it wouldn't be a huge cost to cut them down and make the area grass only. The advantages would be less maintenance on grounds care and irrigation. Well maintained turf would lood better than the bare ground under the trees also.

I really don't think that is something they will entertain.
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Old 11-07-2013, 09:23 AM
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I really don't think that is something they will entertain.
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I got a chuckle out of it. 😜
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