Yes Mrlon, Pulling cable in NoCAL, we made a 'y' for the compressor, Air in one side sponge-on-line in the straight side. Gave it to the guys, one was a careful guy. A little while later I pulled up to the site and the guys were all laughing, "watch this ron!", they set it up for a 300' 'blow' and opened the air valve. That sponge flew about 30' in the air. Can be very dangerous,thou.
>-----Original Message----- >From: Marlon K. Schafer [mailto:[EMAIL PROTECTED] >Sent: Friday, December 1, 2006 07:13 PM >To: [EMAIL PROTECTED], 'WISPA General List' >Subject: Re: [WISPA] bare conduits > >Used to do this all the time when I was a linesman. > >The easiest and safest way to do this is to use a vacuum on one end. Tie a >parachute or streamer to a string and put that in the pipe while someone's >sucking on the other end. Make sure you hold the twine with a screwdriver >and not your fingers cause it'll usually go pretty fast. > >Now, if that won't work, this will. Same thing on the string part but use a >jackhammer type air compressor. You'll put your parachute/streamer in the >conduit, then wrap a rag around an air hose. Put that assembly into the >pipe but make sure that it's not binding where the string goes in. Then >have someone else hold the string and yet another run the air compressor. >Be VERY careful with this method. Things (sometimes very nasty things) come >flying out the other end at a VERY high rate of speed. I learned the hard >way that you don't want to be the guy standing in the manhole when things >start moving. > >Have fun, be super careful. >marlon > >----- Original Message ----- >From: "chris cooper" <[EMAIL PROTECTED]> >To: "'WISPA General List'" <wireless@wispa.org> >Sent: Friday, December 01, 2006 9:24 AM >Subject: [WISPA] bare conduits > > >> 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? >> >> >> >> Thanks >> >> Chris >> >> -- >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > >-- >WISPA Wireless List: wireless@wispa.org > >Subscribe/Unsubscribe: >http://lists.wispa.org/mailman/listinfo/wireless > >Archives: http://lists.wispa.org/pipermail/wireless/ > -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
