Is it typical to pull medium voltage cable through as many manholes/handholes as possible before splicing or is it typical to splice in each one?

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Calrissian45

Calrissian45

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Southern California
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Electrical Engineer
I have a project that will need to pull two 1/0 medium voltage cables through twelve 3'W x 5'L x 3.5'H handholes a total distance of 3,384 feet. The max distance between hand holes is 400 feet. I used the SIMpull Cable Pull Calculator to determine that it could theoretically be done in two pulls with one splice in the middle. I'm not sure if that's how a contractor would actually do it though.

Pull 1:
Length = 1,691 ft
Continuous Tension = 1,483 lb
Max Sidewall Pressure = 597 lb
Handhole Qty = 7

Pull 2:
Length = 1,693 ft
Continuous Tension = 1,026 lb
Max Sidewall Pressure = 5 lb
Handhole Qty = 5
 
Ya it’s probably 1-2 man hours per splice per phase plus a 500$-1000$ kit. Do your self a favor and get a 36” man hole sheave and pull out loops and if u have the ability or use can rent multiple tuggers you will save time on setting them up also you can have pulling eyes crimped on both ends of the reel and start the pull in the middle
 
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Terminator5047 said:
Ya it’s probably 1-2 man hours per splice per phase plus a 500$-1000$ kit. Do your self a favor and get a 36” man hole shiv and pull out loops and if u have the ability or use can rent multiple tuggers you will save time on setting them up also you can have pulling eyes crimped on both ends of the reel and start the pull in the middle
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Do you know of any videos online that shows how this is done? I can't wrap my head around how they'd be able to pull both ways from the middle using one reel.

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Calrissian45 said:
Do you know of any videos online that shows how this is done? I can't wrap my head around how they'd be able to pull both ways from the middle using one reel.

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No videos but I’ve done it before. Have an eye crimped on both ends of the cable. Start in the middle pull it one way. Then use a cable feeder to roll out the rest off the reel on Masonite to protect the wire and hook on the second set of eyes once it’s off the reel and use a feeder or men to drag the wire to feed it in the other way
 
Calrissian45 said:
Oh, ok. That makes senses. I was trying to imagine it staying on the reel. Thanks for the explanation.

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Ya if only that was easy but it will cut your pulling tension half and take out the need for splicing. Also the crimp on eyes are done by most supply houses for a small fee(worth every penny). But any sheave you use must be 36” or more
 
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