In Jeddah, Saudi Arabia I was told the soil temperature at a depth of one meter was close to 70 degrees F.
On Sat, Sep 27, 2008 at 2:21 AM, å... .... <[EMAIL PROTECTED]> wrote: > 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 > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [EMAIL PROTECTED] > > To Unsubscribe, send an email to:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > (Put the word unsubscribe in the subject field) > -- Ed Vining 4819 John Muir Rd Martinez CA 94553 925-228-8792 _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [EMAIL PROTECTED] To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
