[BC] Electrical Code

[cldube]

Do they allow this so as to make work for the public works people?
I mean- it does seem rather silly.

Chuck
----- Original Message ----- 
From: "Paul Smith W4KNX" <paul at amtower.com>
To: "Broadcast Radio Mailing List" <broadcast at radiolists.net>
Sent: Thursday, October 27, 2005 1:23 PM
Subject: RE: [BC] Electrical Code


> The easiest way to minimize hurricane damage to power lines is to ban
> planting of trees under overhead power lines.  Local code allows this
> nightmare and we reap what we sow in a few years when those trees grow up
>
> Seen it many times the last few years.
>
> Paul Smith
> W4KNX
> Sarasota, FL
>
> -----Original Message-----
> From: broadcast-bounces at radiolists.net
> [mailto:broadcast-bounces at radiolists.net]On Behalf Of Paul Christensen
> Sent: Thursday, October 27, 2005 11:15 AM
> To: Broadcast Radio Mailing List
> Subject: Re: [BC] Electrical Code
>
>
>> General repairs to overhead lines is a few hour process as opposed to
>> potentially days with underground.
>
> U/G electrical plant is fine for last-mile applications in gated
> communities, but there's a significant capital and operating cost
> differential per mile of U/G versus aerial plant.  When I was responsible
> for the AT&T Broadband upgrades in North Florida, the capital cost
> differential for U/G was in the order of 4-5 times that of aerial in some
> locations.
>
> As Mike points out, locating faults with any U/G service can be a 
> nightmare.
> And the occurrence of faults to other services over the life of the 
> cabling
> in a joint-trench installation is particularly high.  When you have an U/G
> outage, folks don't want to be without services for hours, let alone days.
> As more splices are placed U/G. the more long terms problems develop.
>
> In my community, the power company just replace all U/G cabling to ~ 500
> homes as a result of repeated U/G splices that have failed through the
> years.  It took the better part of the summer to complete.  An aerial
> upgrade would have taken a fraction of the time and cost.
>
> I can't tell you how many times I had to answer to the local city council
> over U/G fiber and coaxial outages as the result of U/G contractor
> trenching.  Locates are not 100% effective and there's always someone
> striking an U/G line somewhere.
>
> So, while the extent of damage during a hurricane is high with aerial
> cabling, the ongoing pain of outages with U/G, together with the high
> capital and operating maintenance costs make aerial more attractive
> overall - for both the customer and the operator.
>
> Paul
>
>
> ====================================
> Paul Christensen, CPBE, CBNT
> LAW OFFICE OF PAUL B. CHRISTENSEN, P.A.
> 3749 Southern Hills,  Jacksonville, Florida 32225
> Office: (904) 379-7802    Facsimile: (904) 212-0050
> pchristensen at ieee.org
>
>
>
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