G-Cast Precast Concrete Manhole System
G-Cast precast concrete manhole systems offer you all the advantages of precast construction for manholes through combining precast components with pipe shafts manufactured by the unique G-Cast process.
- Savings in cost of construction
- High quality (factory made) units
- Efficient installation, savings in time and labour
- No formwork required
- Heights can be easily changed without damaging segments
- Special sizes for manholes can be manufactured based on contractors’ requirements.
- All components are lining with either High Alumina Cement or 2 layers Coal Tar Epoxy.
Diameter Range 1200mm - 1800mm
NOTES: All chamber rings c/w 20mm high alumina cement (HAC) lining or 2 layers coal tar epoxy lining as required by SPAN. Other components c/w 2 layers coal tar epoxy lining.