Pipe Bursting Methods and Projects

Pipe Bursting Methods and Projects

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Restrained-joint pipe

CertainTeed’s Certa-Lok C900 restrained-joint PVC pipe product line includes an integral bell design option. A 14-inch-diameter option also is available for the Certa-Lok C905 RJ pipe. C900 RJIB (restrained joint integral bell) is available is 4-, 6- and 8-inch diameters. The pipe uses a combination of precision-machined grooves and a nylon spline to provide high tensile strength in pulling or pushing operations.

A flexible elastomeric gasket within the integral bell provides a solid pressure-certified hydraulic seal. The pipe does not require fusion or solvent welding and can be assembled in real time as pullback continues, eliminating the need to string out several hundred feet of pipe within or beyond the work zone. 610/341-7000; www.certainteed.com.


Low flow air hammer

The All Terrain Air Hammer from Ditch Witch is designed to work with the company’s JT4020 All Terrain and JT100 All Terrain directional drills to penetrate the hardest rock. The drills efficiently install utility conduit in a wide range of ground formations, from mixed hard soil to cobble to solid rock. The air hammer offers All Terrain technology, which enables it to continuously drill as it is being steered, resulting in a fast, efficient bore. Conventional air hammers require stopping to drill to change directions.

The hammer has a low flow rate of 4 gpm, so fluid costs and cleanup time are minimal. Used properly, the unit leaves only dry cuttings and a small amount of foam that is used downhole to remove the cuttings. It requires no oiler or drilling mud. The hammer comes in a kit that includes the unit, a 6.5-inch convex bit, convex bit jaw, 4-inch jaw assembly, two slide pins, the Rockmaster Air Housing, a fluid pump and air adapter kit. Featuring larger air pots, the air housing is designed to maximize the productivity of the air hammer. 800/654-6481; www.ditchwitch.com.


Compact winch

The HydroGuide HG5 winch from HammerHead Trenchless is powered by a turbocharged 33 hp liquid cooled Kubota diesel engine, which drives the solid dual capstan and dual direct drive Geroler motors. The compact system withstands high load ratings and improves torque transmission, offering constant pulling force over the entire pull length and reducing cable wear.

Project setup is quick with a payout speed of up to 165 feet per minute. The winch offers 5.5-ton pulling capacity and maximum pullback speed of 120 feet per minute. Each pull can be tracked with the Job Data Recorder, which tracks line speed, distance, tonnage and pressure. The keypad and large LCD provide access to current data and recorder setup. When a project is complete, users plug in a USB flash drive to download the data. Available onscreen data includes distance, force, speed and pressure. 800/331-6653; www.hammerheadtrenchless.com.


Static pipe bursting

The Model PD-7 static pipe bursting machine from Pow-R Mole replaces existing underground water, sewer or gas lines. The unit will operate from a pit only 72 inches long. It has a pulling force of 112,000 pounds at 3,000 psi and a maximum pull rate of 7 ft/min. The system uses a 2-inch-diameter rod with a 2.5-foot tapered quick-connect thread. The low-pressure system can be powered by a 58 hp diesel hydraulic power unit or from an auxiliary circuit on a backhoe. The unit can burst and install up to 12-inch I.D. pipe in most compressible soils. 800/344-6653; www.powrmole.com.


Shoring device

The pneumatic shoring device from Prospan Manufacturing is made of lightweight anodized aluminum. The maintenance-free unit utilizes user-friendly tabulated data. The device comes with a large selection of end attachments and extensions. 888/413-8100; www.prospanshoring.com.


Complete shoring system

The ultraSHORE trench shoring system from Safety Corporation of America, made of corrugated aluminum, features stackable panels that can be used horizontally or vertically for bury depths to 12 feet in Class C soils. Extra features include leg kits or wheel kits for OSHA regulations. Easily transported in a pickup, the system can be closed off on one or both ends with quick-release, spring-loaded end-closure panels. 800/746-7464; www.shoring.com.


Compact hydroexcavator

The Ram Vac HX12-27 hydroexcavator from Sewer Equipment Co. of America has a short wheelbase and small turning radius for tight working conditions. It features a 5,200 cfm positive displacement blower that produces 27 inches Hg of vacuum and a 12-yard debris tank. The rear-mounted boom rotates 320 degrees and has 24 feet of reach.

Other features include a temperature-controlled environmental chamber that houses two 750-gallon, 3/4-inch-thick Duraprolene water tanks and a hydraulic water pump that delivers up to 10 gpm/2,500 psi. The unit also has a 400,000 Btu water heater, hose reel, wireless remote, three-stage twin-cyclonic filtration system, and NEMA 4 electrical system. 800/323-1604; www.sewerequipment.com.


Portable bursting machine

With the ability to burst and replace 2-, 3-, 4- and 6-inch sewer pipes of virtually any material, the UnderTaker System from Spartan Tool includes a 30-ton puller unit, 4- and 6-inch bursting heads, a 2- to 6-inch fusion machine, a hydraulic power supply and a length of 3/4-inch swedged wire rope. The system breaks down into portable components, allowing its use in basements, manholes, and small entry pits. It pulls new HDPE pipe into position behind the bursting head, providing seamless transitions between old pipe and the newly installed line. 800/435-3866; www.spartantool.com.


Extreme-weather hydroexcavator

The Mud Dog 1600 hydroexcavator from Super Products LLC delivers up to 18 gpm at 3,000 psi. Its 8-inch, positive displacement vacuum system provides 5,800 cfm airflow and 28 Hg of vacuum. An onboard boiler heats up the high-pressure water to break up frozen, stubborn material and flush out tight spaces. Winter recirculation, antifreeze and air purge systems ensure the unit performs in the harshest climates. An aluminum cabinet, heated by dual 65,000 Btu/hr heaters, provides easy access and increased storage capability. 800/837-9711; www.muddogeasy.com.


All-purpose hydroexcavator

The AllExcavate hydroexcavator from Vacall safely and efficiently cleans frac tanks and underground utility lines and removes dirt from drilling rigs and trucks. The standard 8-foot, 6-inch telescoping boom is located at the rear of the chassis and reaches in a 180-degree radius without having to move the machine. The single-engine design reduces fuel consumption, eliminates emissions and reduces costs and downtime for routine maintenance. Water tanks are fabricated with high-quality aluminum. The debris body is standard with powder-coat paint, but a galvanized option is available. A flush system is also available. Operators can open, close and lock the tailgate with one control.

The AllSmartFlow control system allows operators to make precise operational adjustments and monitor detailed information about engine performance, water flow and vacuum functions. A fully proportional pendant, wired or wireless, allows for control away from the chassis. The vacuum filtration system extends performance. The dual-cyclone separator partitions air from particles and moisture. 800/382-8302; www.vacallindustries.com.


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