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Advice Needed #211434
10/11/13 10:27 PM
10/11/13 10:27 PM
B
BigB  Offline OP
Member
Joined: Mar 2004
Posts: 721
Tucson, AZ USA
Looking at pulling 3-4/0 aluminum XHHW conductors approx 90 feet with four long 90s (sweeps)in 2" IMC. Is this doable using 2" IMC and 2 guys? Actually we could put the end sweep together last which would reduce it to 3 90s and about 80 feet.

Work Gear for Electricians and the Trades
Re: Advice Needed [Re: BigB] #211435
10/11/13 11:35 PM
10/11/13 11:35 PM
S
sparkyinak  Offline
Member
Joined: Jul 2007
Posts: 1,328
Alaska
With no grounding conductor?

By code the conduit run should be installed first. Trying to spin a sweep on a pipe can damage the conductors. I don't have my NEC handy but I'm pretty sure you can pull the 4/0 in especially if they are compact AL conductors


"Live Awesome!" - Kevin Carosa
Re: Advice Needed [Re: BigB] #211436
10/12/13 09:58 AM
10/12/13 09:58 AM
T
twh  Offline
Member
Joined: Mar 2004
Posts: 925
Regina, Sask.
There are a lot of variables that you aren't sharing. Pulling up or down, feeding up or down, space to stretch cables out on the feed end, locations of the 90s, the size of the guys etc.

I think it's cheaper to have one guy stand around doing nothing than to have a crew wait for a couple hours while you find help.

Re: Advice Needed [Re: BigB] #211437
10/12/13 12:12 PM
10/12/13 12:12 PM
B
BigB  Offline OP
Member
Joined: Mar 2004
Posts: 721
Tucson, AZ USA
first 90 under panel into ground then 12 feet laterally to second 90 coming up outside patio wall and into third 90 to change directions 90 degrees, then 70 feet along wall to last 90 which will sweep up into the service mast. Average guys, not weak, not Charles Atlases either.

Re: Advice Needed [Re: BigB] #211438
10/12/13 01:32 PM
10/12/13 01:32 PM
S
sparkyinak  Offline
Member
Joined: Jul 2007
Posts: 1,328
Alaska
Lube. Lotsa lube


"Live Awesome!" - Kevin Carosa
Re: Advice Needed [Re: BigB] #211439
10/12/13 02:22 PM
10/12/13 02:22 PM
T
twh  Offline
Member
Joined: Mar 2004
Posts: 925
Regina, Sask.
3 guys.

2 guys on the feed end to start. One guy pulls slack in the cable and the other pushes and lubes. "Pulling wire" is misleading. Half the job is pushing the wire.

After halfway, move one guy to the other end to help pull. Pulling up makes it hard to have more than two guys on the rope, anyway.

Don't forget lotsa rags to go with the lotsa lube.

If you try with two guys, you might need to pull one 90 off and tie the rope to something to give you more leverage - like a 2x4 and a fulcrum or maybe even a truck. It might go okay, but it might suck for many hours.

It would be nice to feed from the end closest to the most 90s. I think lubed cable slides around a 90 easier than a dry rope.

Re: Advice Needed [Re: BigB] #211440
10/12/13 08:00 PM
10/12/13 08:00 PM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,165
Estero,Fl,usa
You could put a conduit body somewhere along the way to break up the pull. Maybe an LB at the "change of direction" after you get up out of the ground.
Think about where you get the best place to work.


Greg Fretwell
Re: Advice Needed [Re: BigB] #211442
10/13/13 02:07 PM
10/13/13 02:07 PM
B
BigB  Offline OP
Member
Joined: Mar 2004
Posts: 721
Tucson, AZ USA
No conduit bodies before the meter are allowed by the POCO. I decided to go with 2.5" pipe.

Re: Advice Needed [Re: BigB] #211443
10/13/13 02:33 PM
10/13/13 02:33 PM
S
sparkyinak  Offline
Member
Joined: Jul 2007
Posts: 1,328
Alaska
That's gonna be a jump on material price. Anything over 2" in size, thei cost goes up expotentially

Is there a way to use an ordinary come-along or winch of some type?
You can use a choker on the rope a what is called a French prusik. It works on the same principle as a choker but you use a small peice of rope. It's easier on the rope than a choker can be

The link is how to use a prusik. It's a variant of the one I use but it works and simple to use

http://m.youtube.com/watch?v=u0YxU5C_KrQ

With some type of winch or even with block and tackle one person can feed while one person pulls even with the biggest and longest pulls

Last edited by sparkyinak; 10/13/13 02:35 PM.

"Live Awesome!" - Kevin Carosa
Re: Advice Needed [Re: sparkyinak] #211444
10/13/13 04:50 PM
10/13/13 04:50 PM
B
BigB  Offline OP
Member
Joined: Mar 2004
Posts: 721
Tucson, AZ USA
Originally Posted by sparkyinak
That's gonna be a jump on material price. Anything over 2" in size, thei cost goes up expotentially

Is there a way to use an ordinary come-along or winch of some type?
You can use a choker on the rope a what is called a French prusik. It works on the same principle as a choker but you use a small peice of rope. It's easier on the rope than a choker can be

The link is how to use a prusik. It's a variant of the one I use but it works and simple to use

http://m.youtube.com/watch?v=u0YxU5C_KrQ

With some type of winch or even with block and tackle one person can feed while one person pulls even with the biggest and longest pulls


Yes I have a come-along, a high lift jack and a boat winch and I have considered using one of them.

Thanks for the link

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