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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