The assignment divided into two core components, namely:

Core part 1;

Preventive and corrective sewage maintenance, where the scope of the sewage system work has been split into three different sewer systems.

- Sewer age underground stations

- Sewer age above ground stations and stops

- Underground wastewater

The contractor should preventively clean all lying sewer lines at least 3 times a year.

The contractor should carry out preventive maintenance at least 4 times a year for grease separator.

Core Part 2:

The preventive and corrective roof maintenance and divided into two different activities.

- Cleaning the roof surfaces.

- Cleaning the gutters, roof drains and rainwater drains.

The contractor should preventively clean all gutters, roof drains and rainwater drains once a year.

300,000 per year