Emptying interceptors for sludge and blocked tanks. There is a total of 2633 interceptors for sludge, 744 blocked tanks and 18 mini treatment plants in the municipality that shall be emptied annually. In addition there are 88 interceptors for sludge, 69 blocked tanks and 1 mini treatment plant for holidays homes that shall be emptied at least once every 4 years. The contract also includes transporting the thickened sludge from municipal treatment plants, total approx. 2500m3/annum.

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