It'd be nice if all jurisdictions had a trade program like that.
----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: ch...@wbmfg.com To: af@af.afmug.com Sent: Tuesday, July 7, 2020 3:48:24 PM Subject: [AFMUG] OT Dart In Utah, we are fortunate that we can trade duct and fiber with UDOT. So if I am building, I put in 4 ducts instead of 1 and let UDOT take temporary ownership of 3. That 4 pack of 1.25 " HDPE SDR11 is called a 1D by UDOT. If I put in a mile of 1D, I get 3 miles of credit to use their ducts elsewhere. They even have a conversion factor to use their strands of fibers in exchange for duct too. So, if you are doing one of these jobs it has to built to their specs. That drives the cost up a bit. They have to have their own 24 x 36 x 36" handholes. Concrete bottoms. Drain holes. Foot of gravel under. 3/4" 8' ground rod. Grouted conduits. Locate balls. Carsonite markers. Customized plates on the lids. They have to have tonable mule tape installed in each duct. They have to witness proofing the duct. So, I created a proofing mandrel that is made out of PTFE so it is really low friction and has a beveled end to push through tight spots. It also has a buna rubber cup seal at the back to get as much push from the air as possible. It has an eye bolt so it can drag the mule tape with it. A one pass deal where before you had to blow jet line, then use that to pull mule tape, then use the mule tape to pull an aluminum proofing mandrel then go back and put the mule tape back in when you were done, possibly having to blow jet line in again because mule tape is difficult to blow. It tends to bunch up. That dart comes rocketing out at what looks like 150 mph. So I made a dart catcher. Larger tube. Air holes. 5 inches of extruded polyethlyene foam in the bottom. Slid the whole thing over the end of the duct you are proofing and nobody gets killed by the dart. -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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