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Playing Through: Pipe Bursting Upsizes Sewer Under Golf Course Without Interruption Of Play
“We’d have had to dig 20-feet down the full length of the pipe. We’d be working in water as soon as we got to the three-foot level. Then we’d have to restore it all,” Thompson said.
“We did the rest of the project with normal bypass. But here we used a test ball valve so we could control the flow and hooked up a vacuum truck with a 2,500-gallon tank. The driver would make a trip to empty it once every 30 minutes or so, but service was never interrupted for the golf course or the residents.”
Normally the pull would have been just a few hours. For instance the first 460 feet were pulled from about 1 p.m. to 4:30 p.m., Jones said. “The thing that took us so long was cutting pipe. From 4:30 p.m. to 12:30 a.m. we were throwing that ductile iron out three feet at a time.” Jones looked back on this part of the project as one of the hardest pipe bursting replacement jobs he had ever done.
Even with the complications, the pull was completed in a single day. And it hadn’t required a bypass being set up across the fairway, which Thompson said was another benefit of trenchless pipe splitting technique.
He observed that “I would venture to say open-cut here would have run double the cost – and taken twice as long, too. Easily, without any exaggeration.”
Though the last 80-feet of the fairway run had seemed touch-and-go, pipe bursting was the only technique he’d have recommended for the entire BanBury Meadows sewer upsizing project.
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Titan Technologies, (208) 336-8748
HammerHead,(800) 331-6653, www.hammerheadmole.com