< Application Periods / Fields >
- After completion of new sewer pipe installation, or after pipe improvement construction.
- Inspection of sewer pipes of public installations, such as, new city or new industrial estate,
before take-over or hand-over the public installations.
- For inspection of old city sewer pipe conditions, especially for doing of basic design
for the maintenance of each water line's sewer pipe bases.
- Inspection in a sewage plant for uncertain invasion of surplus sewage waters thru sewer pipes.
- Inspection of illegal discharge flow of waste waters into sewer pipes from industrial factories, etc.
- Check out the reasons of city water flooding, breakage of embankments, collapse down of roads.
- Insepction to see when to start sewer pipes repair working or replacements, etc.
< TV Inspection Contents >
- Manhole cover breakage, Manhole connection area breakage, Connection pipe projection,.
- Corrosion check, pipe breakage & crack, waste water penetration, Mortar, soil accumulation,
- Pipe sink, waste oil, curved pipe, other pipe passing, obstacles of water flow, etc.
< Inspection Possible Range >
- Main pipe ; dia. 250 ~ 1,300 mm
- Connection pipe ; 150 ~ 250 mm
- All kinds of manhole, etc.
- Peripheral photographing is also possible. |
Pipe is too old and full of
vinyl packages & soil
|
Upper pipe collapsed
down and choked.
|
PVC pipe fall down
and choked
|
|
Upper bellow pipe
collapse down
|
Installation mistake,
connection mismatch
|
Installation mistake,
full of stone, concrete bar
|
|
