Acceptance measurements for airtightness (blower door) - Zurich
Acceptance measurements for airtightness (blower door) - Soodstrasse Zurich
The project
Location: Zurich (ZH)
Client: Swiss Prime Site Solutions AG
Phases: Air tightness measurements (blower door) for building label SGNI (DGNB System Switzerland)
Duration: 2022
The new apartment building at Soodstrasse 90 in Zurich was constructed in accordance with the requirements of the SGNI building label (DGNB System Switzerland). For certification, the airtightness of the building envelope had to be tested using measurement technology.
Creation of the airtightness measurement concept and negotiation with the SGNI/DGNB auditor
Positive and negative pressure test with the Blower Door system
Determination of the air permeability (qE50 - value) according to standard SN EN ISO 9972 and according to SGNI/DGNB criterion TEC 1.3 (https://www.sgni.ch/kriterien)
Leak detection with nebulization / smoke sticks
Preparation of test certificates according to SGNI / DGNB standard
Challenges
Representative selection of different apartment types for the measurement
Careful inspection for systematic or individual leaks in the apartments
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