[TowerTalk] Drain Pipe Passing Thru Tower Foundation

[Marsh Stewart]

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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