Sanitary Installations for Climate-Neutral Administrative Building

Sanitary installations for a climate-neutral administrative building with a floor area of approximately 790 m²: 257 m sound-insulated PP wastewater pipe DN 100, 2 submersible motor pumps 7.9 m³/h at approx. 6 m delivery head for trench drainage, 2 submersible motor pumps 24 m³/h at approx. 5.5 m delivery head for a retention basin, 1 faeces lifting unit, 112 m stainless steel pipelines DN 25 (28 x 1.2), 1 fully automatic TW fine filter/backwash filter DN 50, 15 countertop washbasins 55x44 cm with protective coating, 17 rimless wall-hung WCs with WC seat, 16 mounting elements 112 cm concealed cistern 12 cm, 8 electric instantaneous water heaters 11.0 kW 400 V for kitchen sinks, 21 mini instantaneous water heaters 6.5 kW 400 V white for washbasins, 16 single-lever basin mixers, 66 m pipe KG 2000 DN 110, 3 concrete manholes DN 1000 2.0 m Part 1 - D 400, 1 concrete manhole DN 1000 1.7 m Part 1 - D 400, 1 throttle concrete manhole DN 1000 2.0 m, 4 inspection manholes DN 400 complete, 1 ready-to-connect plastic rainwater shaft for submersible motor pumps. Rainwater retention is provided by a retention green roof and a rainwater storage tank in the basement (6+2 m³) with rainwater treatment (excluding the tank, only the associated technology). Plant consumption data will be monitored and read out. Execution period: planning, ordering, and delivery from calendar week 36 2026 to calendar week 05 2027; on-site execution from calendar week 09 2027 to calendar week 42 2027; commissioning, PVO, handover, and acceptance from calendar week 43 2027 to calendar week 46 2027; further items as per the tender documents.

Tender documents

Additional details