Re: Is there a way to cut through concrete slab without making a mess?
- From: "EXT" <etonks@sunstormADD-DOT-COM>
- Date: Thu, 28 Jul 2005 15:12:51 -0400
Yes, there is, it is called a plasma torch. About 10 feet long with intense
flames coming out the end. It is used in demolition to slice through
concrete and steel. Not much good for a 3 foot square in the middle of a
finished room though!
"miamicuse" <nmbexcuse@xxxxxxxxxxx> wrote in message
news:c7adnXmROfEmyHXfRVn-pg@xxxxxxxxxxx
> There is no new technology to cut through concrete? No laser beam cutter
or
> something along that line?
>
> MC
>
>
>
> "~^Johnny^~" <nospam@xxxxxxxxxxxxxxxxx> wrote in message
> news:h9jge1huj7bej1j1fgdmh68n5kr48irstc@xxxxxxxxxx
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> > On Wed, 27 Jul 2005 22:29:38 -0400, "miamicuse"
> > <nmbexcuse@xxxxxxxxxxx> wrote:
> >
> > >I am exploring cutting a 36"x36" hole through the 8" concrete slab
> > >in my kitchen to access a sewer line for repair.
> > >
> > >Called a few concrete contractors and one told me he will use a
> > >jackhammer to punch the hole (cost $300) and the other told me he
> > >will use a saw (cost $500). The jackhammer will probably spray dust
> > >in all directions and shake loose some copper pipes in walls. The
> > >saw will make a clean cut according to the contractor but he told me
> > >"imagine starting a motor cycle immersed in a mud puddle"...this
> > >does not sound promising. Is there a way to do this to minimize
> > >dust and mess? I am willing to pay a bit more for a cleaner
> > >procedure.
> > >
> > >Also, if they use a saw, does it mean it is a big mean machine they
> > >will move from my door to the kitchen and along the way it may
> > >scratch the tiles along it's path?
> >
> >
> > Been there. Worst plumbing job I had was when I replaced cast iron
> > DWV in a laundromat w/concrete floor. Had to dig a ditch. Hired a
> > helper and used two jackhammers. Couldn't fool around - had to get
> > the job done.
> >
> > A 90 lb hammer is definitely faster, because you ain't taking a 3x3
> > foot slab out in one piece, anyway. The hammer on the concrete,
> > and acetylene on the rebar. There is going to be dust. Wet saw will
> > minimize the airborne dust, but will make much mud. Very messy,
> > and worse to clean up.
> >
> > Yes, they should hang dust curtains and use positive ventilation.
> > This keeps the mess in the work area.
> >
> > Of course, you could chisel it out by hand... ;->
> >
> >
> >
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> > --
> > -john
> > wide-open at throttle dot info
>
>
.
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