Shafts are permanently susceptible to corrosion. Aggressive media not only destroy the sewage channel area, but also attack rising shaft components such as rings and cones.
PREDL works with different remediation methods depending on the local conditions:
- Renovation with CORPROTECT-lining
- Renovation with PREDL-GFK-components
- Restoration with PREDL-FLEXLINER
With SCAN-lining, PREDL offers on-site laser-based surveying as a service. The most modern laser technology enables precise recording of shaft data.
REHABILTATION PROCEDURES
MANHOLE-IN-MANHOLE SYSTEM
Manhole-in-manhole rehabilitation system with GRP rehabilitation base-liner + GRP pipe.
WITH CORPROTECT-LINING
Rehabilitation with PP CORPROTECT –lining (through the conus / coverslab access hole)
PREDL FLEXLINER SYSTEM
Rehabilitation with FLEXLINER base-liner + CORPROTECT-lining
LASERSCAN 3-D MODELLING OF THE OLD MANHOLE
LASER SCANNER
The most modern technique for an exact recording of the manhole data
LASER SCANNING
Laser scanning – recording of a manhole that needs to be rehabilitated
MODELLING OF THE OLD MANHOLE
The processing of the scanned data allows an accurate manufacturing of the rehabilitation elements