Heating, Ventilation, and Sanitary Installations for New Town Hall

Notice title: Neubeu Rathaus Los 22 Heizung Lüftung-Sanitärinstallation

Sanitary installations: Site setup for sanitary, 93 m PP wastewater pipes, sound-insulated, DN 40 - DN 125, 3 units main ventilation over roof DN 100, complete, 25 m condensate line DN 32 with 5 units appliance connections, 120 m multi-layer composite drinking water pipes 20 - 40 mm, 114 m insulation for drinking water pipes up to DN 40, 6 units wall-mounted washdown WCs rimless, thereof 2 units barrier-free, 4 units urinals with IR flush control, 9 units washbasins with single-lever mixer or cold water tap, 11 units small hot water storage tanks 5 l, under/over counter, 3 units slop sinks with wall-mounted tap, 3 units complete kitchenette connections, 21 units pre-wall installation elements, 8 units fire protection pipe penetrations wastewater R 90, pressure/leak test, flushing, drinking water sampling, commissioning, documentation, maintenance of sanitary installations during warranty period (4 years), inquiry for hourly rates. Heating installations: Site setup for heating, 1 unit air/water heat pump split cascade (1 x indoor unit, 4 x outdoor units), 110 m refrigerant line pair Cu 16x1/10x1, 2 units buffer tanks approx. 800 - 1,000 l, 1 unit high-efficiency circulation pump 8.75 m³/h / 3.4 m, 111 m stainless steel press-fit heating pipes DN 25 - DN 65, 1,250 m² underfloor heating hook-and-loop system, system area VA 15, 55 m² additional underfloor heating laying distance VA 30 (ancillary rooms), 12 units heating circuit distributors 7 - 10 heating circuits with distributor cabinet, 99 units thermal actuators 230 V, 65 units room thermostats individual room control, 111 m pipe insulation 100 % Building Energy Act (GEG), DN 25 - DN 65, 10 units fire protection pipe penetrations heating R 90, 4 weeks provision of mobile heating device (construction heating / screed heating), pressure test, flushing, hydraulic balancing, functional and screed-drying heating, commissioning, documentation, maintenance of HP/heating system during warranty period (4 years), inquiry for hourly rates. Ventilation installations: Site setup for ventilation, 1 unit central supply/exhaust air unit with heat recovery (WRG), ceiling mounting, incl. control panel, 212 m spiral-seam ducting DN 80 - DN 280, 19 m² rectangular duct 400x280, galvanized, 20 units inspection openings duct network, 24 units round fire dampers DN 100 - DN 280, R 90, 250 m wiring for fire damper monitoring, 21 units volume flow controllers DN 80 - DN 200, 23 units duct silencers DN 80 - DN 200, 4 units duct silencers 500/300, 8 units automatic backdraft dampers DN 100 / DN 160, 2 units external wall/weather protection grilles 500x300, 39 units disc valves supply/exhaust air DN 80 - DN 200, 35 m² insulation for ventilation ducts, leak test duct network, initial hygiene inspection VDI 6022, commissioning, documentation, maintenance of ventilation system during warranty period (4 years), inquiry for hourly rates. Refrigeration/Air conditioning installations: Site setup for refrigeration, 1 unit duo-split air conditioning unit server room with outdoor unit, 1 unit duo-split air conditioning unit storage rooms with outdoor unit, 55 m twin-CU insulated refrigerant line, incl. electrical connection line, 4 units condensate lines indoor unit with pump, 6 units air conditioning for southern offices (contingency item), pressure test, vacuum, commissioning of refrigeration circuits, AwSV- / immission control law verifications (Ordinance on Facilities for Handling Substances Hazardous to Water), documentation, maintenance of air conditioning systems during warranty period (4 years), inquiry for hourly rates, further items as per the tender documents.

Tender documents

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