HDD/TBM Hybrid Method

Installing 800mm diameter steel casing pipes under railway tracks in Hamilton.
For installing casing (envelope) pipes with no pipe/soil annulus and tunnel roof fully supported at all times.
Developed by Universal Underground incorporating an adjustable pressure balance gate behind the front assembly to maintain bore stability in weak, saturated grounds.
Advantages include-
-Cost saving on traditional methods (hammer/TBM/micro tunnel/auger bore)
-Pilot bore steerable (unlike hammer option)
-Partial obstruction detection with the pilot-bore before committing to the alignment
-No vibration or earth stress
-No pipe/soil annulus
-In trench welding avoidable in most cases (if working space permits)
-No requirement for a concrete floor and rails
-No jacking wall needed
-Men working below ground substantially reduced
-Limited abandoned equipment if major obstruction encountered

[@Spproducttv366]

Nice 👍

[@wissamalhusseini7331]

روعه

[@teguhprasetyo9173]

Hello, im very interested of your video, can you share who's the installator or equipment supplier for cutter head

[@everythingtrenchlessnz]

Installer- Universal Underground in New Zealand. Cutter head and all components made in house.

[@logansteed1204]

You guys went pilot straight to 800mm reamer with a JT60? how long did it take and how much was the torque? must have been butter soft ground?

[@everythingtrenchlessnz]

Stiff silty clay but not so plastic. About 40 minutes to ream 24m. Torque was low. If you're going to try this your pilot needs to be dead straight. No flex in the steel pipe and no annulus for tolerance.

[@user-bc9nl4kr4v]

Вам просто повезло. Трубу могло обжать и всё бы застряло. Это нарушение технлогогии. Надо сперва расширить больщим диаметром а потом затаскивать трубу.

[@everythingtrenchlessnz]

Life belongs to the brave, If you are not innovating you are going backwards.

[@kiranjadhav1722]

Contact number milega kya work karne ke liye

[@GajananDange-lz9uz]

Kidhar hei