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Re: Fw: [PSUBS-MAILIST] Re: Blowing ballast (was: question about general design?)

--- Marsee Skidmore <heyred@email.msn.com> wrote:
> No, 96 lb/cu ft was a number quoted for broken stone.  Didn't say how
> broken, but this was kinda the low average for a couple of different types
> and forms.  Like Dave says, solid rock ranges up around 150 lb/cu ft.  - Joe

How does concrete, w/ or w/o rebar, compare?

-L

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"Yo no soy marinero / Soy capitan"
          - Traditional Mexican Lyric (La Bamba)
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