[CAUT] Getting the plate out

[Keith Roberts]

Oh, and the closer to a wall that you clamp your allthread to the cross beam
the better

KR


On 4/26/07, Keith Roberts <keithspiano at gmail.com> wrote:
>
> From my experience in the commercial construction trades which was hanging
> steel plumbing pipes from this stuff, you can hang from the top cord only.
> Use a clamp that is threaded for allthread rod. Don't drill the cords. Drop
> the allthread below the bottom cord and attach the cross/roller beam. No
> problem
>
> The hambro system is rated to hold the weight of the materials plus some
> people standing on it, AT LEAST!. A roof structure will hold less weight
> than a floor structure. The roof is not designed to carry any extra unless
> there is a rainwater load possibility. The more joists you spread the load
> across will ensure safety.
> Try this:
> First hook a clamp to the top cord of one joist and hang your lift. Put
> some straps around a 1902 upright and start to lift. Measure the deflection
> with a story pole and tape measure. If you feel safe lifting it all the way,
> when you distribute the load, you have a safety factor.
> Trial and error. Wear your hard hat or the insurance won't cover you after
> you've been squashed.
>
> Keith Roberts
>
>  On 4/26/07, Phil Bondi <phil at philbondi.com> wrote:
> >
> > Hi all.
> >
> > Before I spend any money on this, I want to get your
> > thoughts on this subject..
> >
> >
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