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Papers, case studies, standards and webinars covering trenchless methods across Australia and New Zealand.
459 results (298 ASTT documents, 161 ISTT technique descriptions) · showing 457–459
With Pipe Segments
In gravity sewer renovation applications, an important advantage of this form of slip lining is that the new pipe can be inserted in segments within the host pipe during active sewer flow – thus avoiding the need for bypass operations that may be necessary with other renovation techniques. Segmental slip lining…
ISTT
Within Existing Pipe
Two main approaches are included in this form of replacement application. In the first approach, a new pipe of smaller outside diameter than the inside diameter of the existing pipe is inserted (pushed or pulled) within the existing pipe and provides a complete replacement of the structural and flow functions of the…
ISTT
Zoom Camera
A typical zoom camera system involves a camera installed on a mast that can be lowered into a manhole to be aligned with the axis of the sewer pipes connecting to that manhole. Once the camera is positioned so that it can look down the adjacent sewer, the high-resolution, high-zoom camera system allows the operator to…
ISTT