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drain TRADER
underground installation of cable protection pipeswas awarded the bauma InnovationAward last year. E-Power Pipe® combines and further develops the proven horizontal directional drilling (HDD) and AVNorDirect Pipe® drilling technologies. It closes a technical gapwith small diameter drives of 505mmbutwith ten times greater lengths (over 1,000m), shallowdepths, high precision and speed being possible.With high precision themachine follows the planned alignment and can quickly and safely cross under existing infrastructure such as pipelines, roads, railways or smaller bodies of water. Especially in heterogeneous,water-permeable soils theDirect Pipe® method developed byHerrenknecht led to a significant technological boost in the installation of pipelines by combining the advantages of microtunnelling and pipe thruster technology.Aprefabricated pipeline is installed almost continuously in one step, concurrentlywith the
excavation.Acutterhead adjusted to the geology requirements and a
10 drain TRADER | August 2020 |
www.draintraderltd.com
cone-crusher eliminates possible
obstacles.Numerous reference projects have been carried out highly successfully and the advantages of themethod are nowrecognised in the industry. Rental equipment provides contractorswith greater flexibility as they can enlarge temporary and project-related fleet capabilitieswith everything fromproject-specific jobsite facilities to control containers andUtilityTunnellingMachines in the necessary diameter. T.A.Drilling(Sales)Ltd-T.A.Drilling is theUK and Ireland distributor for theMTS and Perforator ranges ofmicrotunnelling and guided auger boring systemsmanufactured inGermany,which offers a variety of installation options for contractors. In themicrotunnelling sectorMTS offersAuger, Slurry, Earth Pressure Balance (EPB) andHard rock equipment including: • AugerPro Systemwhich is a pipe jacking systemfor the installation of pipelines up to 300mlong at diameters from200 to 1,600mmo.d. through ground conditions comprising soft ground (sand, silts, clay),without any boulders andwith lowgroundwater levels. Excavated soil is transported by auger train fromthe face to the start shaft.
• Slurry Systemswhich can install pipelines up to over 1,000mat diameters from350 to 4,000mmo.d. in all ground conditionswith the selection of the correct cutterhead, including difficult soilwith high levels of groundwater. Spoil fromthe face ismixedwith the circulating slurry for transportation to surfacewhere the slurry and spoil are separated, the slurry reconditioned and passed back into the slurry
circuit.Aswell as the standard slurry option there is also themtsHybrid Slurry systemwhich is suitable for pipe
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