Description
The Morrison 519 manhole provides access to monitoring well when proper identification of the opening and watertight features are essential.
Details
- Black triangle on white warning label permanently attached to cover
- "Test Well" permanently cast into cover on 12″ models
- "Monitoring Well" permanently cast into cover on 9″ models
- Brass plate attached to ring to stamp well identification number
- Watertight one-piece cast ring and skirt
- Easy to replace gasket installs in cover, no glue required
- Center bolt stays in the cover and includes an o-ring to keep surface water out
- Three spoke spider provides center point for bolt to evenly tighten down the cover to the ring
- AMP models include black powder coated finish with white cover
- Meets H-20 load requirements
Construction Details
- Body/ring and cover: Cast iron
- Gasket and o-ring: Buna-N
- Center spoke: Brass