Research HDPE. Probably more cost effective for long runs as well as corrosion 
resistant and long life. Driscopipe. FM approved.

Scott Futrell

C: (612) 759-5556
W: (763) 425-1001
[EMAIL PROTECTED] 
-----------------------------------------------
Sent from a handheld, please excuse any misspelled words. 

-----Original Message-----
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: "AFSA Forum" <[email protected]>
Sent: 9/27/08 10:04 AM
Subject: Re: which pipe is right for underground bury in very hot soil?

Suggest C-900 PVC pipe, CL 150 or 200.  Ductile iron push-on or MJ fittings, 
with SS hardware that in turn is coated with non-oxide grease.  ALL ferrous 
joints then enveloped with seamless polyethylene sleeves and heavily taped at 
each end.  75 years?   Who knows, but we've had success with these practices 
with very hot soils in SoCal, in areas that were experiencing blowouts from 
corrosion.  

Steve L. 


Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: ... .... <[EMAIL PROTECTED]>

Date: Sat, 27 Sep 2008 02:21:20 
To: <[email protected]>
Subject: which pipe is right for underground bury in very hot soil?


Underground Question: 
we have got 
soil that is alkaline hot. 
and hot temperatures too 
in a desert with too few 
days below 100 F. 
what we have is 
miles of underground to install around 
this campus. and cost savings is 
not one of the issues. 
longevity of service is. 
would ductile iron protected with tar or PE wrapper 
be preferred 
to simply PVC? 
or is another pipe option, 
 a better bet on 
 reaching 75 years? 
 
service life desired: 75 years 
diameter: 8 inch 
depth of bury 3+ feet 
 
scot deal 
excelsior fire engineering 
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