Visual and television inspections of the old collective sanitation networks carried out according to standard nf en 13508-2 + a1 (2011), including:
- the preliminary hydriding of the networks to be inspected,
- filling and diversion of effluents for the continuity of the sanitation service,
- the flow test,
- visual inspection of manholes,
- television inspection of collectors (diameter of 600 mm or less) and, where applicable, connections,
- the inspection report with video film describing and locating all the defects found on the basis of the NF standard in 13 508-2.
Visual and television inspections of the old collective sanitation networks carried out according to standard nf en 13508-2 + a1 (2011), including:
- the preliminary hydriding of the networks to be inspected,
- filling and diversion of effluents for the continuity of the sanitation service,
- the flow test,
- visual inspection of manholes,
- television inspection of collectors (diameter of 600 mm or less) and, where applicable, connections,
- the inspection report with video film describing and locating all the defects found on the basis of the NF standard in 13 508-2
Maximum amount of purchase orders over 4 years: 600 000 EUR HT.
Linear to inspect per year estimated between 30 and 50 km.