Preventive maintenance is vital to protect the investment made in drainage systems. To formulate a planned maintenance programme, the current drainage condition must be accurately assessed and reported.

Trident Monitoring Services Ltd can manage a drainage condition assessment and maintenance project from pipeline locating to renovation.

Subcontractors are organised for specialised cleaning, water-jetting, CCTV inspection, and if necessary, renovation and resurfacing.

Drainage condition is assessed from the CCTV video footage using specialised software, and reported with a recommended maintenance programme.

Completed drainage assessment jobs include:

• Fonterra Te Rapa drainage asset condition monitoring from 2000 to present
• Fonterra Morrinsville drainage asset condition monitoring from 2003 to present
• Fonterra Te Awamutu drainage asset condition monitoring 2003 to present
• Fonterra Tirau drainage asset condition monitoring 2005

Drainage repairs and replacement:

• Fonterra Te Rapa basement drainage segregation 2002
  Preliminary design and budget costing of basement drainage upgrade
• Fonterra Te Rapa Drier 5 High Solids drain replacement July 2004
• Fonterra Morrinsville MPH drain repair 2005