It is a fact that in general most of the preparatory work in the Technical Committees and working groups in CEN is in English. The underlying documentation and the preliminary drafts are in ...
To support the open EU market, more and more standards have been prepared as ENӳ. For building products this is even a requirement based on EU mandates to CEN according to the EU-CPD ...
Answered by Peter G. Schild, SINTEF Building & Infrastructure
Answered on 16 December 2009
Visits: 2556 visits
In Sweden, according to the trade guidelines VVS AMA, on-site pressure tests need only cover 10% of the duct surface area round ducts, and 20% for rectangular ducts. Denmark has similar rules. ...