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Ferdinand-Wilhelm-Fricke-Weg, Hannover

Description

The State Sports Association of Lower Saxony (LSB - LandesSportBund Niedersachsen e. V.) is an umbrella organization serving around 9,700 sports clubs and 58 state professional organizations in Lower Saxony with a total of more than 2.7 million members. In keeping with Agenda 21, the LSB is firmly committed to promoting sports and sports club development in ways that uphold the principles of social justice, long-term environmental protection, and financial sustainability.

A sports boarding school was constructed in Hannover in 1998 to accommodate 12 students; by the beginning of 2008, there were already 32 children and youths attending full-time and another 40 in the afternoons. The neighboring Sports Academy serves as the sports clubs' central educational facility. As the existing sports boarding school's capacities no longer sufficed, a new school was built, along with a three-field sports hall. The facade of the three-story boarding school building follows the curve of Lodemannweg, while the three-field sports complex faces the courtyard; the gymnasium is built partly underground, giving students an additional sports and recreational area on its roof.

Parties involved

Client:

LandesSportBund Niedersachsen e. V.

Design:

Schumann + Reichert Architekten BDA

S3 Sasse/Stein/Sasse

Building services planning, Passivhaus concept, applications for support, monitoring:

Architektur- und TGA-Büro Grobe Passivhaus

Building data

Construction type:

Expansion of a sports boarding school and new construction o a three-field gymnasium

Location:

Hannover-Calenberger Neustadt

Year of construction:

2009-2010

Units:

75 full-time and 60 part-time places for youths plus 12 places for adult male and female athletes - expansion of the existing sports boarding school

Heated usable space:

6.636 m²

Subsidies:

German National Enviromental Foundation, Bingo Environmental Foundation of Lower Saxony, additional patrons and sponsors, proKlima

Building shell

Exterior walls:

26 – 30 cm composite heat insulation system using mineral wool slabs; HTC = 0.13 W/(m2K)

Windows:

Wooden windows plus curtain wall elements with heat-insulating triple glazing; HTC = 0.78 W/(m2K)

Roof:

Concrete construction containing 35 cm-thick layer of sloped mineral foam slab insulation; HTC = 0.13 W/(m2K)

Floor Plate:

30 cm-thick layer of cellular glass insulation under the floor plate plus 12 cm-thick layer of footfall sound insulation on the floor plate; HTC = 0.18 W/(m2K)

Daylight usage:

Incorporation of skylights and daylight tubes optimizes use of daylight; daylight-based LED light control using presence detectors

Daylight usage:

Daylight tubes direct light into building interior; artificial light regulated by daylight

Building technology

Ventilation:

Highly efficient ventilation system with heat recovery and geothermal energy conduction for preheating or -cooling

Heating:

Heat delivery using a district heating connection plus a 46 m2 solar heating system. Heat is distributed to the ground floor via the ventilation system and with additional heating elements; on the 2nd and 3rd floors, only the ventilation system is used to distribute heat.

Air conditioning:

In the summer, outdoor air is pre-cooled in the geothermal energy conductor; placement of the supply air ducts inside the solid concrete ceilings helps regulate peak temperature loads.

Measured values

AIRTIGHTNESS:

n50 = 0.14 h-1

Calculated values

Calculated method: Passivhaus planning package

HEATING ENERGY NEEDS:

13 kWh/(m2a)

TOTAL ENERGY NEEDS FOR HEATING,AIR CONDITIONING,DHW,ELECTRICITY:

District heating

26 kWh/(m2a)

Electricity

35 kWh/(m2a)

TOTAL GENERATED ENERGY:

PV SYSTEM
Electricity

ca. 40.000 kWh/a

PRIMARY ENERGY NEEDS FOR HEATING,AIR CONDITIONING,DHW,ELECTRICITY:

102 kWh/(m2a)

including credit for generated electricity: 86 kWh/m2a

CO2 EMISSIONS FOR HEATING,AIR CONDITIONING,DHW,ELECTRICITY:

24 kg/(m2a)

including credit for generated electricity: 19 kg/m2a

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