Sewer cleaning

Summary

The City of Wetzlar and the Wetzlar Wastewater Association are procuring sewer cleaning and cesspit emptying services for 2027 in two lots. Lot 1 covers emergency sewer-cleaning services throughout 2027 and routine cleaning from 12 April to 29 October 2027: approximately 80,000 m up to DN 400, 24,500 m from DN 450 to DN 1,000, and 3,500 m above DN 1,000 for the city; the association’s corresponding quantities are approximately 6,900 m, 4,130 m and 2,340 m. Lot 2 covers removal of approximately 200 m³ of faecal sludge from household cesspits; it may be tendered for separately, but must also be included when bidding for Lot 1.