TBH its not normally an electricians job. At work I would have an apprentice do it.
TBH its not normally an electricians job. At work I would have an apprentice do it.
You'd give one of *your* apprentices a core drill???
The ones that have barely mastered toilet paper?
Owain
OMG! What a sight. I feel faint just looking at it. :)
How did the nice workmen who installed our bathroom a few years ago manage to core drill a hole for a 4inch extractor (going through 100 year old brick) without making anything like that mess?
I'd want to see some sense before giving someone a core drill, they're capable of injury very easily.
At one place even a dewalt sds made near zero progress with a drill bit. And yes, the walls were very thick.
NT
The plumbers got my gas flue out with less mess, but I'm pretty sure they had a hoover under the core bit. That's the key.
I've done smaller cores single handed and it can produce one hell of a lot of dust - and that can get chucked quite a way sideways too.
I was more concerned about damage to nearby inanimate objects rather than operator injury.
Apprentices are replaceable.
Owain
You certainly know how to treat her!
ARW wrote on 27/05/2018 :
Incredible !
A vac running just below the cutter would have prevented most of that..
He said he had no help that day and needed both hands on the core drill (as you would for a 4" core).
With an angle grinder to ensure maximum dust?
SteveW
;-)
My slot cutter has dust extraction and again, whilst it's not perfect it makes a big difference to how much dust is spread elsewhere. Again, you can easily see what it's doing by how often you have to empty it!
Cheers, T i m
It took the poor guy who installed our wood burner best part of four hours and destroyed one of his core drills in the process. Old handmade clay bricks with small oval flint pebbles in that were just the right size to spin round without cutting at all until suddenly they jammed.
Every time it happened he got a right kicking off the drill too.
Is it just me or do others get an enormous amount of satisfaction seeing large quantities of dust in the vacuum collection bin, knowing that if I wasn't vacuuming at source all that would've been in the air / on the floor?
At the risk of taking this a step too far (too late?), at the sight of seeing dust being sucked into the vacuum nozzle from beneath a drill bit I actually feel a strong temptation to keep drilling holes even if/where I don't need to!!
Phew. Not just me, then.
I think Adam dreams of seeing a core bit stationery and a drill and apprentice rotating. Perhaps a case for needing cordless drills?
Nope, not just you. And it's not just that, it's knowing that you will have less cleanup afterwards (as it *does* get everywhere). ;-(
Yup. ;-)
Erm ... no, whilst I can see the appeal it isn't something I would do personally. ;-)
Cheers, T i m
I use an expanding decorators pole to hold a length of tile batten up against the ceiling with some clear plastic sheeting tacked onto the tile batten and taped to the walls with some masking tape, creating a temporary shower-cubicle effect.
This constrains the dust to the immediate working area, else plaster dust goes everywhere. Even worse is the dust from sand/cement base coat plaster, as beloved by cheapskate builders, especially when mixed with a really weak mix so that it crumbles when any attempt is made to drill a hole.
Of what ? -
The mess, A hole in the wall, A hole in the wall surrounded by kitten fur (where they have escaped through), Kitty pawprints in plaster dust all over her little black number ?.
What, knackering a lintel by not removing some plaster first to check ?. Did you paint the exposed rebar with bitumen paint to protect it ?.
A correctly instally lintel will extend 150 mm past the window opening, so it's a bit obvious what you might hit.
At least it was on the correct wall. One apprentice drilled into next doors.
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