- FP McCann’s manhole chamber rings are manufactured with tongue and groove joints and comply with BS EN 1917/ BS 5911-3
- Manhole chambers from DN2100 – DN3000 have 4 lifting points. Manholes less than DN2100 have 3 lifting points.
- Manhole chambers from DN900 – DN2700 have 3 lifting points. DN3000 have 4 lifting points.
- DN3600 and DN4000 are outside of the scope of the British Standard (Non-Kitemark), but comply with all relevant provisions of the European Standard. DN4000 is supplied in two halves.
Manhole Chambers (Tongue & Groove Joint)
WARNING: When lifting ≥45° inclined pull only