Humes manufacture spun manholes ranging from DN1050 to 3000mm.
- Risers are made to AS4058 standard and the bases are cast to NZS 3109:1997 with surface finish to NZS 3114:1987 standard.
- Available with a choice of traditional flush joint or a Tongue and groove flush joint.
- Clamping system is available for high surge areas.
- Components such as lids etc. can be designed to HN-HO-72 loadings when required.
- For rubber ring jointed 1050mm manholes, please refer to VT manholes.