Sewer Maintenance Holes Useful Life Discussion
| Sewer Maintenance Hole | 80 years |
A Sewer Maintenance Hole is a Sewer Access Point with a removable cover which allows human and machine access to a (typically buried) Sewer.
WSAA use the term in preference to the older and perhaps politically incorrect "Sewer Manhole.
Functions of a Maintenance Hole
A maintenance hole provides several functions, such as to,
- conduct inspections
- connect two sewers when there is a change of grade or alignment or size
- provide a junction where two or more sewers meet
Useful Life
The useful life of a sewer maintenance hole will vary considerably due to a range of environmental factors. A life of 50-100 years is typical in some areas.
The table below shows the useful life for sewer maintenance holes adopted by a number of Councils. Please feel free to add your Councils information.
|
Related Pages
- Sewer Maintenance Shaft
- Sewer Terminal Maintenance Shaft
- Sewer Terminal Maintenance Hole
- Sewer Inlet Maintenance Hole
- Sewer Discharge Maintenance Hole