Germany - In order to safeguard, stabilize and develop wet and wetland habitat types, biotopes and species in the Große Graben lowland and the Ferbitzer Bruch, various watercourse maintenance measures are required, mostly in areas contaminated by combat...

Description

To safeguard, stabilize and develop wet and wetland habitat types, biotopes and species in the Große Graben lowland and the Ferbitzer Bruch, various watercourse maintenance measures are required, mostly in areas contaminated by ordnance. These are:Culvert flushing (most of which cannot be achieved with normal road technology:1. BW 1 - Culvert (DL) in the B 2 in Krampnitz consisting of 8 m vault l. W. = 3.80 m,46 m concrete pipe DN 1000, 9 m steel pipe DN 1000, culvert permanently dammed, disposal of flushing material2. BW 5 - DL north of the former Krampnitz barracks, approx. 22.5 m DN 1000, culvert permanently dammed, flushing material to be disposed of3. BW 6, similar to BW 5, length approx. 20 m4. BW 7, analogous to BW 5, length approx. 19.5 m5. BW 8 - Speckdam bridge, approx. 25 m steel pipe DN 1000, culvert permanently dammed, dispose of flushing material6. BW 9 - Schafdammbrücke, approx. 21 m steel pipe DN 800, culvert permanently dammed, dispose of flushing material7. BW 10 - DL in Ferbitzer Weg, 2 x concrete DN 800, each 10 m long8. BW 16 - mouth of Ferbitzer Bruchgraben, 2 x concrete DN 600, each 10 m long, culvert mostly dammed, dispose of flushing material9. BW 17 - DL Ferbitzer Werder, 2 x concrete DN 600, each 7.4 m long, culvert often dammed, dispose of flushing material10. BW 21 - Ferbitzer Bruchgraben, 2 x concrete DN 600, each 10 m longGround clearing: 1. large ditch from 0+189 to 0+223 between B2 and SW Krampnitz, approx. 80 m3,2. large ditch approx. 100 m at BW 9, approx. 510 m3, Ferbitzer Bruchgraben 410 m long, approx. 730 m3Building site clearance, felling and clearing work, clearance cutting, clearing of drainage obstacles

Opportunity closing date

22 April 2024

Value of contract

to be confirmed