[TowerTalk] Drain Pipe Passing Thru Tower Foundation

[n8de at thepoint.net]

I agree with a previous post:  make certain that the 'rain pipe' has a  
bit of space to expand/contract.  Layers of tape won't do it!

73
Don
N8DE


Quoting Marsh Stewart <marsh at ka5m.net>:

> Thanks for your reply.
>
> The rain pipe is solid white PVC schedule 40, not perforated. It carries
> rainwater runoff, not sewerage.
>
> I have decided to wrap the pipe with 2 layers of rubber pipe-insulating tape
> and then overwrap that with duct tape, and then pour concrete.
>
> Marsh, KA5M
>
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of
> Patrick Greenlee
> Sent: Wednesday, January 15, 2014 6:19 AM
> To: Marsh Stewart; towertalk at contesting.com
> Subject: Re: [TowerTalk] Drain Pipe Passing Thru Tower Foundation
>
> Everyone has an opinion but you have neglected to provide some important
> info.  Drain pipe: perforated? solid?  sewage, water like from downspouts or
>
> what?  Solid drain pipe with serviceable "fall" that drains to daylight is
> not a problem.  Sewer pipe that has worked OK is likely not a problem.
> Perforated drain pipe might be a problem but not with sufficient slope and
> good drainage down slope from your concrete pour.  The devil is in the
> details.  If it were mine and I would want to pour over it as others
> describe so long as it is not perforated pipe that could supply water to the
>
> area.
>
> Patrick NJ5G
>
> -----Original Message-----
> From: Marsh Stewart
> Sent: Tuesday, January 14, 2014 10:52 AM
> To: towertalk at contesting.com
> Subject: [TowerTalk] Drain Pipe Passing Thru Tower Foundation
>
> I'm installing a base foundation for a US Towers HDX-555. The base will be
> 5' X 5' X 7.25' per specs. The rebar will be per specs. Concrete will be
> 4000psi in 28 days. The soil is moist, very firm, and no water is seeping
> into the hole. After excavation began, I found a 6" white PVC drain pipe
> (rainwater run-off drainage, not sewer) that runs across one corner. The
> drain pipe is about 1.5' below grade and runs at about a 30-degree angle
> across one corner. Total length of pipe exposed (in the base foundation) is
> about 4'. The rebar "cage" can be built per specs around the pipe. The pipe
> can be relocated, but it will require considerable extra digging and the
> soil around the affected corner will no longer be undisturbed.
>
> Should I relocate the drain pipe or pour concrete around it?
>
> Marsh, KA5M
>
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