Discuss Machine workshop install. in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
what about HILTI ? row of 6mm fixings fit hanger brk install a few rows busbar trunking c/w tap-off boxes jobs done
ok then how about self drilling screws how about a few photo,s a picture is worth a thousand words
Surface mounted across the floor of a busy machine shop ?!
As i normally work on the larger projects, i've always had to consult the Structural Engineer on site, whenever it's been needed to drill into this material or that material, or have them calculate ceiling strength for any heavy point loading etc.
Now, whenever a query as to drilling structural steel columns/beams or struts has been made, i can't think of a single time it's ever been refused . I remember asking once or twice, what's the problem with drilling structural steel? They just laugh and say what would you expect to happen to 1/2'' / 3/4'' steel, by drilling four 14mm clearance holes and filling them with a high tension steel nut and bolt?? Different if you were wanting to drill a 4'' or 6'' hole for a pipe, or cut a section out of the column or beam etc, of the same diameter, that would need looking into!!! I guess it's the same with boring holes in wooden joists of a house, except your not even filling them, apart from cables that is...lol!!
So it seems to be another of those myth's that abound ours and others in the construction game!!! But i or the contractor still have to get there OK before drilling these things!! lol!!!
Nice one....
We were always taught never to drill into supporting RSJs and the like.
The RSJ's and angle irons are are turned to face the inside of the building. Panels of an 'unknown' material fill in the spaces. So you're left with just the faces of the girdered supports. Drilling and self tappers may be the only solution.
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