[TowerTalk] Conduit installed in foundation slab

[Gene Smar]

Blair:
 
     When I worked as a designer of electrical substations for my local utility company years ago, we did just that:  ran conduit sweeps up through the middle of a concrete structural foundation for the same reason.  Unless the concrete block is already marginal in its design, you should be ok to insert PVC into it.  I might go with Sched 80, though, to preclude cracking while the concrete is poured around the PVC.  
 
 
73 de
Gene Smar  AD3F
 



On 12/08/14, Blair (VE3ZBM) wrote:

Good afternoon, All. 

I have not found a satisfactory answer to whether or not a 2 or 3" schedule 40 PVC conduit, installed ~3' below grade and into a 5' x 5' x 4' deep steel-reinforced free standing tower foundation will derate or harm the slab's overall integrity. I am preparing for my new tower (to be installed next spring) and would like to bring the cable feeds up inside the tower base thereby eliminating tripping hazards and other aesthetic concerns. 

Thanks in advance,

Blair VE3ZBM

Sent from my iPhone
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