Maintenance of Existing Highway Drainage Systems
Table 1
Frequency of Ordinary and Cyclic Maintenance
Drainage Mechanism |
Minimum Frequency of Maintenance |
|---|---|
|
Gullies, Catchpits & Interceptors |
As Required (Determined by the Term Maintenance Contract Performance Specification) |
|
Soakaways |
Once every 3 years |
|
Gully Connections |
As required |
|
Piped Drainage Systems |
As required |
|
Piped Grips |
As required |
|
Grips |
As required |
|
Filter Drains, Fin Drains |
As required |
|
Roadside Ditches |
As required |
|
Culverts |
As required |
|
Balancing Ponds |
As required |
|
Sluices, Tidal Flaps etc |
As required |
|
Pumps and Other Specialised Equipment |
In Accordance With Manufacturer's Instructions |
Version No: 1.0
Effective: From - 21/04/2004
If copied or printed, this document should be treated as uncontrolled and correct only at the date it was copied or printed.