SB: Vault in the desert -- was pinning

[Kirk Haines <khaines@Io.NANC.com>]

On Fri, 26 Oct 2001, John Swearingen wrote:

> We did specify external pins once--horizontally over the mesh on the SB
> vault.  The reason was just to provide something to wrap the thru-ties
> around (the ties held the interior and exterior mesh layers together and
> could have popped the wire on the mesh).  These rebars were horizontal,
> along the course lines (which also seems like the direction you would most
> benefit from running them).

John, I've wondered about something with regard to that vault.  The
moisture protection for the vault appears to be just the plaster itself.
How much rain falls in the area where the vault was built?  I assume that
the average ambient humidity level is low.  Was there anything special
applied to the vault or the plaster to enhance it's resistance to water
penetration?


Kirk Haines



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