Cleaning of drainage facilities in the area of the Masters Weilerswist.

47-20-7043:

- approx. 60 gas test;

- approx. 22 hours removal of dangerous concentration;

- approx. 25 pcs. Inlet lock;

- Carry out approx. 15 hours of declaration analysis;

- approx. 145 hrs use of high-pressure flushing and suction vehicles;

- approx. 23 hours night use of high pressure flushing and vacuum trucks;

- approx. 44 St. removal of roots in drainage pipes;

- Removal of roots in drainage pipes approx. 24 hours at night;

- approx. 2,800 m camera inspection of drainage pipes;

- approx. 900 m camera inspection of drainage pipes at night;

- approx. 360 to. Dispose of waste;

- approx. 30 m 3 Create seepage layer;

- approx. 3 psh. Set up construction site;

- Provide approx. 0.6 Mt. of construction site equipment;

- approx. 3 psh. Clear construction site facilities;

- approx. 3 psh. Set up lock and drain lock;

- approx. 3 psh. Establish a water retention system at the option of the contractor;

- Take approx. 3 water sample overflowed water * extraction device;

- approx. 6 pcs. Sample to client * bottle of the contractor;

- Take approx. 6 pieces of sample Sludge / sediment * Sampling device;

- approx. 3 psh. High-pressure flushing and vacuum truck use;

- approx. 3 psh. Clean rainwater retention basin;

- approx. 607 m 3 Dispose of hazardous waste from rainwater retention basins.