Yuck to spray foam. That shit is a bitch to get back out when you need it.
Plugs are available for unused ducts. Haven’t usually worried about ducts with cable in them. I think I would prefer some type of rubber boot rather than foam. Mark > On Aug 20, 2020, at 12:58 PM, [email protected] wrote: > > Spray foam. > > From: Jason McKemie <> > Sent: Thursday, August 20, 2020 10:46 AM > To: AnimalFarm Microwave Users Group <> > Subject: Re: [AFMUG] Locating mud filled conduit > > What do you use for foam in the ducts? > > On Wed, Aug 19, 2020 at 8:42 PM Chuck McCown <[email protected] <>> wrote: >> Hand holes fill with muddy water. You should foam them when you are done to >> prevent this. >> >> Sent from my iPhone >> >>> On Aug 19, 2020, at 5:03 PM, Ken Hohhof <[email protected] <>> wrote: >>> >>> >>> Is it normal for the duct to be full of mud? That seems ungood. I’m also >>> assuming the fiber in that duct is carrying traffic and it would be very >>> bad to break it and then not be able to replace it. >>> >>> From: AF <[email protected] <>> On Behalf Of Mark Radabaugh >>> Sent: Wednesday, August 19, 2020 5:56 PM >>> To: AnimalFarm Microwave Users Group <[email protected] <>> >>> Subject: Re: [AFMUG] Locating mud filled conduit >>> >>> You still need a way to get air in the duct. Either this: >>> https://www.gmptools.com/innerduct-pressurization-test-kit/ >>> <https://www.gmptools.com/innerduct-pressurization-test-kit/> or this >>> https://www.gmptools.com/line-blowing/ >>> <https://www.gmptools.com/line-blowing/> to attach to the compressor. >>> Neither tool is very expensive (relative to the stupid price of most things >>> fiber) >>> >>> Mark >>> >>> >>>> On Aug 19, 2020, at 6:50 PM, Mark Radabaugh <[email protected] <>> wrote: >>>> >>>> Something like this: >>>> https://www.gmptools.com/cable-overblowing-junction-box/ >>>> <https://www.gmptools.com/cable-overblowing-junction-box/> >>>> >>>> Put the real cable in the one side and block the other port or use it for >>>> water. Hum… water going backwards through the compressor isn’t a great >>>> idea. And pushing air back the water supply isn’t great. OK, fill it >>>> with water and block the other port. Add air and wait. Once you have >>>> half decent airflow change to water. >>>> >>>> Mark >>>> >>>> >>>>> On Aug 19, 2020, at 6:06 PM, [email protected] <> wrote: >>>>> >>>>> You might get away with sealing it up really good where the fiber exits >>>>> and then making a hole in the side of the duct small enough for the tip >>>>> of an air blower. Not sure how much air you will get this way but easy >>>>> to try. Use mastic and then tape to seal it. You might be able to couple >>>>> a pressure washer to it too. >>>>> >>>>> -----Original Message----- From: [email protected] <> >>>>> Sent: Wednesday, August 19, 2020 4:00 PM >>>>> To: AnimalFarm Microwave Users Group >>>>> Subject: Re: [AFMUG] Locating mud filled conduit >>>>> >>>>> I have a clamp thing that clamps over the duct and cable and seals it all >>>>> up. It has an air port coming in from the side. And I use a 375 CFM 150 >>>>> psi compressor. >>>>> >>>>> I am guessing you could slip a copper tube down the duct and tape the crap >>>>> out of everything with black vinyl tape. Just use as much air as you can >>>>> get. Be sure to inject as much water as you can inject first. >>>>> >>>>> -----Original Message----- From: Nate Burke >>>>> Sent: Wednesday, August 19, 2020 3:32 PM >>>>> To: AnimalFarm Microwave Users Group >>>>> Subject: Re: [AFMUG] Locating mud filled conduit >>>>> >>>>> How do you seal it up with the existing fiber in there to be able to >>>>> blow it? How much PSI do you use? Will a portable air compressor be >>>>> enough? Other end of the conduit is in a building, so I can only blow >>>>> the mud 1 way :) >>>>> >>>>> On 8/19/2020 4:30 PM, [email protected] <> wrote: >>>>> >>>>>> Use compressed air to blow water through it. Once you get it flushed >>>>>> your fish tape might go. >>>>>> >>>>>> -----Original Message----- From: Nate Burke >>>>>> Sent: Wednesday, August 19, 2020 3:19 PM >>>>>> To: Animal Farm >>>>>> Subject: [AFMUG] Locating mud filled conduit >>>>>> >>>>>> Anybody have secrets for locating mud filled conduit? Trying to locate >>>>>> a 1" poly with a non-toneable fiber installed in it. No trace wire >>>>>> installed. Conduit is full of Mud, and at the bottom of a handhole that >>>>>> is also filled with Mud. Conduit goes from handhole under a parking >>>>>> lot, so digging to find it isn't an option either. We were not involved >>>>>> in the installation of this conduit, but it is now our problem. >>>>>> >>>>>> We got a flat steel fish tape pushed in just far enough to finish the >>>>>> current locate request, but it's not going any farther. At some point >>>>>> in the future I'm probably going to get a locate request further down >>>>>> the conduit path. What super-secret method do you guys that live and >>>>>> breath underground work have for dealing with this? >>>>>> >>>>> >>>>> >>>>> -- >>>>> AF mailing list >>>>> [email protected] <> >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >>>>> >>>>> >>>>> -- >>>>> AF mailing list >>>>> [email protected] <> >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >>>> >>>> -- >>>> AF mailing list >>>> [email protected] <> >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >>> >>> -- >>> AF mailing list >>> [email protected] <> >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> -- >> AF mailing list >> [email protected] <> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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