A manhole sited at a junction or bend in a drain to allow clearance of blockages.
More example sentences
- In the past year Yorkshire Water has put poison bait in more than 34, 200 inspection chambers in the sewage system - twice as many as in the previous year.
- Second, an inspection chamber can be used as a point of access to remove blockages from a sewer system.
- More often than not, owners of bungalow houses tend to think that the inspection chambers are septic tanks.