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Most people are unfamiliar with the term ‘Trenchless Pipe Replacement’. Some other names commonly used are "No-Dig", "trenchless pipe rehabilitation", "pipe breaking", "Trenchless Technology" and "trenchless pipeline replacement". No matter which name it is going by it simply means splitting an old, worn out pipe while inserting a new one ...all at the same time!
Trenchless technology includes a large family of methods utilized for installing and rehabilitating underground utility systems with minimal surface disruption. Basically it refers to a method of replacing underground pipe-work without digging long, ugly trenches that disrupt lawns, sidewalks, driveways and just about any other property feature that has the misfortune of existing above an underground line!
The trenchless method installs the new pipe by pulling it through the old pipe, even if the existing pipe is collapsed, behind a special breaking head (or cone) that expands a clear channel ahead of the new pipe as it travels underground. One small pit is all that is necessary for most jobs in order to feed the new pipe into the ground … a compact but powerful pulling machine is located at the destination point, often inside a building, to pull the pipe in from the pit. 
The operation is simple, requiring relatively few steps.
The first step is to determine where the line must begin and then end. Once determined, two small pits are dug, each approximately 24" wide x 36" and as deep as required for the particular job. One pit (the entry pit) will be used to feed the line, and the other (the pulling pit) will contain the pulling unit ready to pull the pipe through the ground.
The pulling unit is then assembled in the pulling pit and butted against wooden shoring that surrounds the old pipe or newly bored pilot hole. Next the pulling cable is hand-pushed from the entry pit through to the pulling pit and threaded into the machine.
In the entry pit, the cable is passed through the hollow bursting cone, through the pipe guide, through the new pipe and attached to the pipe boot with a retaining pin. (See diagram)

Once assembled and ready to go, the Honda power pack is started up, charging the hydraulic cylinders, or on heavier jobs the backhoe is positioned and the chain attached. The pulling operation can now commence. The unit will pull the new pipe through the soil at a rate of approximately two feet per minute up to four feet per minute . (Note: Some soil conditions may cause this rate to vary).
In the entry pit, as the new pipe is almost all the way in, the process will pause. The cable will be fed through the next length
of pipe, the boot and pin attached, and the head of the new length will be fused to the tail of the preceding one. The pulling process can now resume and the cycle will be repeated until the job is finished.
Once done, the pulling unit is disassembled, the cable is retrieved and the pulling process is complete. The diagram below illustrates the process the process overall.

We offer a 20% DISCOUNT to all first time customers!  Call today and let Bullseye Plumbing take care of your plumbing needs!

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Back in the day...clay pipes were used and the joints were packed with mortar.  After years the mortar erodes and the joints are no longer sealed.  Today, Bullseye Plumbing uses pipe bursting and replaces old clay pipes with HD Plastic or Poly "seamless" pipes!


Avoid the hefty expense of having to dig up your yard!  We provide trenchless sewer replacement services without the hassle of major excavation work!  Call us now for a free estimate!

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Orangeburg sounds like a fun word to me, so much in fact that I felt motivated to do some research on this mysterious piping that I hear so much about. I hear plumbers talk about <em>"Orangeburg"</em> and their voice changes to over-exaggerate the word; making it sound looming and ominous. I felt left out, I had to self educate! After researching online, I quickly found out that it is indeed, ominous. If you watch the You Tube Video below titled "Orangeburg Nightmare" you will also learn that this "Coal Tar Impregnated Wood Fibre Pipe" is nothing but a ticking time-bomb, literally. 

[caption id="attachment_501" align="alignnone" width="500"]<a href=""><img src="" alt="c/o thurdl01- Flickr" width="500" height="375" class="size-full wp-image-501" /></a> "This was our own sewer pipe. It was made out of tar paper. I say that to people and they don't understand, it was TAR PAPER! Yes, they called it "Orangeburg" but it was layers of tar soaked wood pulp. This particular pipe had filled with tree roots. You can see the layers of the tar paper where they're separating."[/caption]

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Rotting tar paper sewer pipes plague Mesa 
(from the Tucson Citizen, June 12, 2000, p. 3C)

Orangeburg, an inexpensive alternative to cast iron, isn't made to withstand the assault of tree roots. Some 25,000 homes are affected. The Associated Press

MESA - The mess Virginia McGregor had to deal with was only beginning when sewage started spewing from her bathtub drain and toilet last August. This was no clogged drain. It turns out McGregor, 56, is one of thousands of Arizonan homeowners with sewer pipes made from an inexpensive alternative to metal that is now wearing out. For McGregor that meant thousands of dollars to replace a 60-foot sewer line at her Mesa home and three days without the use of her toilet, bathtub or sink.

McGregor's home was built with orangeburg piping. Orangeburg, or bitiminious, is a kind of tar paper that's rolled up about 10 layers thick to create a tube. It came into use at the start of the Korean War when cast iron was scarce because it was needed for the war effort. Home builders continued using the material into the early 1970s, when plastic piping became the industry standard.

As many as 25,000 homes in Mesa alone are believed to have been built with orangeburg sewer pipes. The problem is, those pipes are now wearing out and collapsing. "Orangeburg is a festering sore," McGregor said. "I wasn't prepared for the hassle it caused."

Todd Gaibzik, service manager for Mesa Plumbing, said he has seen a considerable increase in the number of East Valley homes that have needed orangeburg pipes replaced. "The material wasn't meant to last long," Gaibzik said. "It has done the job for quite a while. But it's not durable enough to last much longer."

The problem with the cardboard-textured material, Gaibzil said, is that it gets crushed by dry soil or attacked by tree, grass and plant roots. "Over the years, since orangeburg is just rolled paper, water willl separate the material and cause damage," he said. "When it gets hot, the trees ge hungry. There's nothing nutrient-richer than a fresh sewer supply."

Gaibzik said the best bet for homes with orangeburg is to replace the material before it causes sewer backups and serious leaks. "If your house is over 30 year old, the orangeburg needs to be replaced," he said.

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