| [GMCnet] Atlanta's I-85 Disaster [message #315361] |
Sun, 02 April 2017 19:36  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Like many of you, I'm sure, I was amazed by the damage caused on I-85 by
"PVC pipe". And when I then heard that it was not PVC pipe but the orange
conduit used for fibre optic cables, I was only a little less baffled.
So, this afternoon I went to the shop and cut off a 2" piece of that stuff
from what I have left over after installing it as my macerator hose stowage
location.
Using a propane torch, I set fire to one end of the sample. The first
lighting didnt self-sustain, but the second one did. I had it hanging on a
steel hook until it melted itself free. It then landed on a piece of
concrete I'd positioned to catch the dripping plastic. From when I lit
that small piece of conduit until the smoldering pile of plastic lost all
flame was about 6 minutes.
I video taped the entire episode, but lost the file when I tried to
transfer it from my 'phone to Google Drive. Sorry 'bout that!
While I'm surprised it was possible for a mere match or cigarette lighter
to start the fire, I do believe that once started, an entire reel of that
stuff would go up pretty fast -- and there were apparently a LOT of reels
stored under the overpass.
Ken H.
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Atlanta's I-85 Disaster [message #315367 is a reply to message #315361] |
Sun, 02 April 2017 20:54  |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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Good to know. I have used a weed burner to cook that duct to mold it into shape. I better be more careful.
I do know price of that duct goes up with with the price of crude oil. 17 years of working in installing that duct, never seen one caught fire, but like you said we usually bury it in dirt, but there are millions of feet in manhole systems and tunnels.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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