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Auger Boring

400 & 200s
Auger-Boring1





Overview

Auger boring system for the steered and non-steered installation gradient pipes, especially for sewer house connections. The 400 standard unit is the larger brother of the 200S and can be used in larger easier to access areas. The 200S unit can be launched out of the smallest of pits and manholes of 1 m diameter as the pressing frame and the bore-thrust unit can be installed can be installed separately.
• Video-theodolite measuring system
• No disturbances (loosening/compaction) caused by soil extraction
• Low coverage
• Vibration-free working
• Simple exchange of the boring tools in alternating soils or in case of wear
• Variable pressing-frame length

Application
A typical application would be for the trenchless installation of a new sewer house connection, for example where a residential street had just been renewed digging was not permitted
•Easy mounting by disassembling the system components
•High installation precision
•Simple, time-saving machine alignment
•Equipment: rig, core borer, steering bore head, winged bore head for upsizing, re-usable retrievable
pipes, augers
•Walk-over detection system
Auger-Boring2Description/Method
•Bore length 18 m, gradient 5%
•Launch out of a sewer at approx. 3 m depth
•Target pit at the house in approx. 2.30 m depth
•New pipe PP HM 170 x 12 mm, 450 mm long

Working steps
• Core bore out of a manhole 250 mm
• Pilot bore 82.5 mm using the steering bore head
• Upsize using the winged bore head, soil excavation using the auger through the retrievable pipes
• Pulling in of the pipe
Auger-Boring3

Last Updated on Wednesday, 13 August 2014 11:29

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