get a shop vac.

get a box of pull string or a long enough piece of lightweight string.

get a tennis ball (or whiffle ball) and tie the string to it.

Turn on shop vac.

Suck the ball through. 

Don't laugh.  It'll work!

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Butch Evans
Sent: Friday, December 01, 2006 4:55 PM
To: [EMAIL PROTECTED]; WISPA General List
Subject: Re: [WISPA] bare conduits

On Fri, 1 Dec 2006, chris cooper wrote:

>Im looking at a project that requires connectivity between multiple 
>buildings on the same campus.  There are 4" conduits connecting each 
>facility.  The conduits are bare, Id like to run fiber in them, and 
>there are no pull cords in them.  Some are several hundred yards long. 
>Ive heard that you can blow a cable through a conduit.  Can anyone 
>enlighten me on equipment/technique for this application?

If the conduit is dry, you can sometimes use a vacuum on one end and it will
pull a small string through.  You may, also, try to use a pull ribbon.  When
you do get something in there, be sure to pull through another ribbon/string
to use to pull with next time.

--
Butch Evans
Network Engineering and Security Consulting
573-276-2879
http://www.butchevans.com/
Mikrotik Certified Consultant
(http://www.mikrotik.com/consultants.html)
--
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