Securing 3/4" EMT To Concrete

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mstrlucky74

Senior Member
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NJ
My assembly in Accubid includes obviously the fittings, straps etc. but also includes the material below for securing the strap/EMT to the concrete. Is this correct and how it is mostly done. I thought an anchor always required a drilled hole. Thanks.


#10x 1 P/H SELF-TAP SCREW
#8 TO #10x 7/8 PLAS ANCHOR (3/16)
 
If you have a plastic anchor, it is obvious a hole will have to be drilled.
Check the labor rate of the anchors. It should include the labor.
Just a side note, Conest had labor for drilling for concrete anchors, and when you had hundreds or thousands of anchors, it seemed excessive. We would often factor the labor down at the summary.
 
If you have a plastic anchor, it is obvious a hole will have to be drilled.
Check the labor rate of the anchors. It should include the labor.
Just a side note, Conest had labor for drilling for concrete anchors, and when you had hundreds or thousands of anchors, it seemed excessive. We would often factor the labor down at the summary.

Thanks. I wanted to know if the anchor/drilling was necessary. I believe you can use a concrete screw, correct? Do you really need to drill and use and anchor for securing branch conduit to concrete? Thanks.
 
Thanks. I wanted to know if the anchor/drilling was necessary. I believe you can use a concrete screw, correct? Do you really need to drill and use and anchor for securing branch conduit to concrete? Thanks.
You have to drill a pilot hole for concrete screws.

Alternatively you could use low-velocity powder actuated fasteners (Hilti gun).
 
To me it's not the type of concrete anchor the assembly has (plastic, drive pin, lag insert), as long as it is the material dollars and labor are right. I let the field choose what they use.
I feel the same about bang-on Caddy clips etc
 
Ok, sorry to keep ask again. So MOST of the time when securing branch EMT to concrete(not on racks, kindorff etc.) with a strap you HAVE to ALWAYS drill a hole? Any you don't have to use an anchor?
 
I thought when you changed your identity the questions were supposed to be smarter?
They seem the same to me.
 
Ok, sorry to keep ask again. So MOST of the time when securing branch EMT to concrete(not on racks, kindorff etc.) with a strap you HAVE to ALWAYS drill a hole? Any you don't have to use an anchor?
I don't know of any strap type which does not require an anchor of some sort.

As mentioned earlier, you don't always have to drill a hole. You can use powder actuated tools and fasteners. See first two items on the following web page as an example:

http://www.us.hilti.com/holus/page/module/product/prca_catnavigation.jsf?lang=en&nodeId=-61411

Other products:

https://www.google.com/webhp?source....&fp=88cc08df473f3817&ion=1&biw=1108&bih=1150
 
I don't know of any strap type which does not require an anchor of some sort.

Doubled sided tape, Gorilla glue .......... ;)



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I thought when you changed your identity the questions were supposed to be smarter?
They seem the same to me.

"they" or this one? I'll give it to you jerky ... This one falls(at least my question to the responses) into the less than smart category.
 
Doubled sided tape, Gorilla glue .......... ;)
Which still qualify as anchors... :slaphead:

an?chor


Pronunciation:'aŋ-kər
Function:noun
Usage:often attrib
Etymology:Middle English ancre, from Old English ancor, from Latin anchora, from Greek ankyra; akin to Old English anga hook ― more at ANGLE
Date:before 12th century



1 : a device usually of metal attached to a ship or boat by a cable and cast overboard to hold it in a particular place by means of a fluke that digs into the bottom
2 : a reliable or principal support : MAINSTAY
3 : something that serves to hold an object firmly
4 : an object shaped like a ship's anchor
5 : an anchorman or anchorwoman
6 : the member of a team (as a relay team) that competes last
7 : a large business (as a department store) that attracts customers and other businesses to a shopping center or mall
8 : a fixed object (as a tree or a piton) to which a climber's rope is secured
–an?chor?less \-ləs\ adjective

–at anchor : being anchored
 
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