Arthur arrived with his dog-eared copy of the standard. He didn't just see pipes; he saw "dead legs"—sections of pipework where water sat still, growing warm and inviting for Legionella .
Unlike BS EN 806, this standard specifically covers underground pipes within a building's boundary (curtilage). bs 8558 pdf
The standard offers detailed instructions for every stage of a water system's lifecycle: BS 8558:2015 - TC | 30 Sep 2015 - BSI Knowledge Arthur arrived with his dog-eared copy of the standard
: Sizing of pipes and storage cisterns to prevent stagnation. bs 8558 pdf
Only Team Surprise's 2nd stage (track 01-12) is available on Spotify. Track 13-16 from Team Surprise's 2nd stage and the entirety of Team Surprise 1st stage is not available/is region locked on Spotify.
Here is the complete GDrive folder for Team Surprise albums downloads.
You can find a more complete list of AKB48 Team Surprise's complete discography in Wiki48 and Studio48 (with lyrics!)