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Bauklimatik GmbH
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Building physics

Thermal building physics and more – Bauklimatik GmbH in Vienna

The greater inclusion of building physics considerations in the building planning is more economical nowadays, especially as ecological considerations are almost inevitable. Therefore, supervision in building physics is a decisive advantage in the design phase, construction and architecture and thus a requirement for the framework conditions of the technical building equipment (TBE).

Building physics considerations and expert reports also play a special role when evaluating construction defects and damage. In our building physics supervision we support subject areas, such as thermal insulation of buildings (energy certificate, energy performance indicator calculation, etc.), damp households in buildings (e.g. mold formation in apartments), fire protection, sound level measurements (impact sound, airborne sound), building diagnostics (e.g. renovation reports of historical buildings) and much more.

Thermal building physics

Menas calculating, measuring, planning, developing / participation in details and measures to capture and limit thermal- as well as moisture influences from the environment and use, which have an effect on the building, people, animals, plants and room hygiene.

Soundproofing

Sound insulation includes calculating, dimensioning, planning, development / participation of details and measures to avoid disturbing noises on / in / by the object or its use.

Energy certification

Creation of an energy certificate according to the requirements of OIB Guideline 6.

Sound level difference According to ÖNORM EN ISO 140-4

Measurement of airborne sound insulation between rooms and buildings. When measuring airborne noise, the difference in sound levels is reduced as determined by ÖNORM EN ISO 140-4 between the rooms via the partition construction and is then compared with the requirements of ÖNORM or the building regulations.

Impact sound level< According to ÖNORM EN ISO 140-7

Measurement of airborne sound insulation between rooms in buildings. When measuring impact sound, the impact sound level is determined according to ÖNORM EN ISO 140-7 via the partition construction and with the requirements according to ÖNORM or building regulations.

Reverberation time According to EN ISO 3382

ÖNORM EN ISO 3382, acoustic measurement of the reverberation time of rooms with reference to other acoustic parameters (ISO 3382: 1997), version March 2000, specifies methods for measuring reverberation times in rooms. The reverberation time is determined by measuring the sound pressure in the room to be examined after switching off a source of noise that must not linger, or after generating a pulse sound, e.g. with a start gun. The sound pressure level almost decreases linearly over time. For different frequencies the reverberation times differ significantly.

Sound measurement at the stand

Determination of the customary ambient noise situation through a 24h sound measurement on site. Determination of the relevant outside noise levels for day, evening, night and core night time as basis for dimensioning the air conditioning units with regard to sound emissions as well as determination of the sound protection technology measures, e.g. for facades, if necessary.

Airborne sound insulation for facades According to ÖNORM EN ISO 140-5: 2008

Determination of the sound insulation dimension of the window when installed.

Vibration measurement According to ÖNORM ISO 2631-2: 2004

The potential for vibration problems increases several times with the increase in span and thus the natural frequencies are set off at lower frequencies. A narrowly stressed ceiling usually has a natural frequency between 15-20Hz, widely stressed one between 8 -10 Hz. With the decrease of the natural frequencies, it is more likely that the residents will complain because people are more sensitive to low frequencies than to higher ones.

Measurements for indoor climate and comfort

  • Assessment of thermal comfort based on the air temperature and relative humidity
  • Measurement of radiant heat to determine operational room temperature
  • Measurement of the PMV / PPD parameters according to ISO 7730
  • Measurement of the CO2 concentration in rooms
  • Surface temperature measurement to assess the risk of mold formation, condenser failure

Thermography

Measurement with a thermal imaging camera to determine the temperature levels on surfaces, e.g. Window reveal, pipelines, electrical installations, etc.

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