The Electrical Contractor Network

ECN Electrical Forum
Discussion Forums for Electricians, Inspectors and Related Professionals

Books, Tools and Test Equipment for Electrical and Construction Trades

Register Now!

Register Now!

We want your input!

Featured:
   

2017 NEC and Related
2017 NEC
Now Available!

   
Recent Posts
Calling all Non-US members!! (Non-US only)
by aussie240
Yesterday at 02:39 AM
Photo Upload Tutorial
by DanK
12/06/16 11:35 PM
Sprinklered equipment 26-008
by bigpapa
12/02/16 04:24 PM
On Delay Relay with Auto Reset
by Potseal
12/01/16 09:59 AM
Wow, that was close!
by jraef
11/28/16 07:06 PM
New in the Gallery:
12.5A through 0.75mm˛ flex (just out of curiosity)
Shout Box

Top Posters (30 Days)
gfretwell 13
HotLine1 9
Texas_Ranger 8
sparkyinak 7
Potseal 6
Who's Online
0 registered (), 236 Guests and 5 Spiders online.
Key: Admin, Global Mod, Mod
Topic Options
Rate This Topic
#40622 - 07/29/04 07:13 AM conduit settlement
GamecockEE Offline
Member

Registered: 07/28/04
Posts: 49
Loc: Georgetown, SC 29440
I'm looking at a project that will be built on an old spoils site. While there will be site work done to address the issue, I'm still concerned that some settlement of the site will occur, causing the underground conduits to be damaged as the soils settle beneath structures that are more firmly suppported such as building and lighting poles. Any recommendations as to how to best address those issues on the design end?

Top
Work Gear for Electricians and the Trades

Work Gear for Electricians and the Trades
Work Gear for Electricians and the Trades
Arc Flash Clothing, Gloves, KneePads, Tool Belts, Pouches, Tool Carriers, etc. etc....

#40623 - 07/29/04 10:32 AM Re: conduit settlement
Joe Tedesco Offline
Member

Registered: 10/07/00
Posts: 3325
Loc: Boston, Massachusetts USA
See 300.5(J) Ground Movement.
_________________________
Joe Tedesco, NEC Consultant

Top
#40624 - 07/29/04 03:08 PM Re: conduit settlement
earlydean Offline
Member

Registered: 12/22/03
Posts: 749
Loc: Griswold, CT, USA
As much as possible, use UG cables, and leave a lot of slack when you run the cables by running them serpentine.

Or, you could take the opposite tack and dig deep, then place re-inforced concrete in, around and under the conduit runs.
_________________________
Earl

Top



ECN Electrical Forums - sponsored by Electrical Contractor Network - Electrical and Code Related Discussion for Electrical Contractors, Electricians, Inspectors, Instructors, Engineers and other related Professionals