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Worth knowing

Video about construction of the project (language german):

www.hna.de

Key data:

  • 300 planned beds
  • 1,200 m² surgical wing with 6 operating theaters
  • 240 m² sterilization area
  • 24-bed intensive care unit
  • Total volumetric flow rate: 110,000 m³/h
  • High-performance central combined-circulation system
  • BACnet-standard network linked with 4,000 sensing points
  • Two 630 kVA transformers
  • 510 kVA emergency power supply unit
  • 210 kWtherm CHP plant
  • Two 670 kW gas boilers
  • Two 375 kW vapor-compression refrigeration machines
  • Total floor area of 24,589 m
ZWP Ingenieur-AG
Planning and monitoring in the areas of building services and
facility-related environmental protection; facility management

Clinics | Care facilities

HELIOS Albert Schweitzer Clinic Northeim, Germany


Project data

Customer: HELIOS Albert-Schweitzer-Klinik, Northeim

Architect: wörner traxler richter planungsgesellschaft mbh, Dresden

Net costs, building services €: 13,600,000.00

Project period: 2010 until 2014

Services: Planning and monitoring, sanitary systems, heating ventilation and air-conditioning systems, cooling systems, cooling ceilings, electrical and telecommunication systems, building automation, conveyance systems, outdoor drainage systems, fire-extinguishing systems


The new HELIOS Albert-Schweitzer-Klinik Northeim clinic combines medical excellence with very high standards of service and amenities for patients. In 2009, ZWP Ingenieur-AG was contracted to prepare a special energy concept for the new facility and to plan its technical building services and monitor their proper construction and installation. The new facility has more than 300 planned beds and a 1,200 m², state-of-the-art surgical wing with six operating theaters and a 24-bed intensive-care unit.

Heating is provided by a combined heat and power (CHP) plant, with an output of 210 kWtherm/140 kWel for the base load supply, and by two 670 kW gas boilers. The CHP plant is able to meet about 1/3 of the facility's annual heating energy requirements, and all of the electricity it generates is used on site. Ventilation for the surgical and functional areas, and for patients' rooms, is provided by a total of seven central ventilation systems with a total volumetric flow rate of 110,000 m³/h. Cooling and thermal recovery are provided via a central, tripartite combined-circulation system with adiabatic exhaust-air cooling. The facility's building services are controlled from five information centers that, via a BACnet-standard network, are linked with some 4,000 physical sensing points. A transformer station, with two 630 kVA transformers, has also been installed. Backup-power needs are met by an emergency power supply unit with an output of 510 kVA. Data and communications services are provided via a structured network serving some 1,400 ports. All in all, a total of some 300 km of cables and wiring were installed for the new facility's high-voltage systems, telephone and IT networks and building-automation systems.


Images: © Solveig Böhl (ZWP Ingenieur-AG)


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