Renaturation of village ponds Dannefeld and Köckte

Notice title: Renaturierung der Dorfteiche in den OT Dannefeld und Köckte

Renaturation of village ponds Dannefeld and Köckte: In Dannefeld, works include mowing (210 m² slope flatter than 1:4, 1,175 m² slopes 1:1.5 to 1:4), removal of 413 m² reed growth, grubbing of 3 tree stumps (d > 30 to 50 cm), installation of 10 tree protections, pruning of 150 m², seeding of 1,410 m² lawn with 28.2 kg wild plant seeds. Water management involves draining the water body (lump sum), open water retention (lump sum), and operating an electric pump (30-60 m³/h, h up to 5 m) for 15 days. Water body construction includes loosening, loading, and temporarily storing 500 m³ of soil (sludge) in the water body, incorporating 350 m³ of pond sludge into the embankment area, creating 180 m³ of shallow and deep water zones, and profiling 705 m² of embankment. Ancillary works include the professional construction of an outlet structure (5 m²) and ecological construction supervision (lump sum). In Köckte, works include mowing (250 m² slope flatter than 1:4, 150 m² slopes 1:1.5 to 1:4), removal of 20 m² reed growth, grubbing of 10 m² hedge, securing 50 m of existing cables and lines longitudinally, breaking up 100 m² of concrete grid stones, installing 7 tree protections, pruning of 100 m², removing 5 t of debris, ecological construction supervision (lump sum), fish removal (lump sum), and delivery of 1 bench with backrest and armrests. Hourly wage work includes 5 hours of tracked excavator (0.4 m³). Water management involves draining the water body (lump sum), 10 days of pump operation, and an electric pump (30-60 m³/h, h up to 5 m) for 10 days. Pond desilting includes loosening, loading, and temporarily storing 100 m³ of soil (sludge) in the water body, incorporating 70 m³ of pond sludge into the embankment area, creating 80 m² of shallow and deep water zones, profiling 150 m² of embankment, and seeding 250 m² lawn with 1.75 kg wild plant seeds.

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