Watercourse Restoration of Teichgrundbach after Flood Damage in Pirna

Restoration of the 2nd order watercourse "Teichgrundbach" in Pirna following the severe weather event of July 2021: Clearing of the watercourse profile from debris and deposits in sections 0+011.65 to 0+021.28, 0+032.49 to 0+038.36, and 0+045.49 to 0+054.77; Restoration of a ford in section 0+041.50 to 0+043.40 by re-setting stepping stones, fixing a steel mesh (concrete steel mat Q188A) with short anchors (rock nails d=16 mm, length 0.60 m), applying a shotcrete layer 4 to 5 cm thick, and embedding stones; Sectional increase of the existing dry stone wall by approximately 0.30 m to 0.50 m in sections 0+016 to 0+019 and 0+020 to 0+023; Stabilization of the impact slope using shotcrete slope stabilization in the area of section 0+021 to 0+026.5 with an area of approximately 20 m², including fixing steel meshes (concrete steel mat Q188A) with short anchors (rock nails d=16 mm, L=0.60 m), applying shotcrete with a total thickness of 15 cm, an additional colored shot mortar layer (5 mm to 2 cm), and creating 3 planting pockets (0.50 m x 0.50 m x 0.50 m) with hazelnut bushes (Corylus avellana, C3, size 40-60 cm). The execution is a construction contract according to VOB/B. Execution starts on 01.11.2026 and ends on 28.02.2027. No planning services are required. Submission of alternative bids and multiple main bids is permitted. further items as per the tender documents

Tender documents

Additional details