[TowerTalk] Concrete base close to house foundation

[Lonberg, Hank]

Jean:

Actually it can. What you want to do is to make sure that the bottom of the
tower foundation is at the same elevation as the bottom of you house
foundation. This will prevent the tower foundation loads putting a
horizontal load on your house foundations. You don't say what kind of house
foundation you have, is it a continuous wall footing, a basement wall, ??

You also need to have the bottom of the tower foundation at or below the
frost line, ask your building department about this. This will prevent frost
heave problems in the spring.

Hope this gets you going

Hank Lonberg P.E. / KR7X


	-----Original Message-----
	From:	Jean Theoret (Montreal) [SMTP:Jean_Theoret@pmc-sierra.com]
	Sent:	Tuesday, September 12, 2000 9:09 AM
	To:	'towertalk@contesting.com'
	Subject:	[TowerTalk] Concrete base close to house foundation


	Hi all,

	I plan to erect a Delhi DMXHD-48 self-supporting tower next to my
house. I
	wonder if the concrete base can be
	"too close" to the house foundations. What is considered normal
practice?
	Is there a minimum comfort distance to 
	be kept or can it be poured directly against the foundations?

	I live in Montreal, Canada, where the usual "below frost line" depth
is
	generally considered to be 48". I'm worried about
	the effect frost would have by exerting a force between the
foundations and
	the concrete base.

	73,
	Jean VE2OKL

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