manhole
Putting in a new inspection chamber will involve digging quite a large hole in the ground.
Rinse out all the inspection chambers with a garden hose once the blockage is cleared.
Inspection chambers are expensive things to move, especially if deep.
The inspection chamber is normally rectangular with cement-rendered brick-built sides.
SMART Vocabulary: related words and phrases Road surfaces & features
asphalt
asphalting
bike lane
bitumen
black spot
cycle lane
cycle track
double yellow line
dropped kerb
fast lane
paver
paving stone
potholed
pull someone in
ramp
tarmac
tight turn
traffic island
unploughed
verge
You can also find related words, phrases, and synonyms in the topics:
Ditches, dams & tunnels