The sewage treatment plant (5): fine screens
Soundscape recorded in the fine screen hall. Sewage goes through 6 mm fine screens. Every day, about 3 tonnes of impurities are…
Väestöhälytin (Warning Signal)
00:00
00:34
About the sound
The civil defense siren is used to warn the citizens of Tampere in case of danger like nuclear attack, war or other type of dangers. The sirens are tested every Monday at 12:00 with a steady sound that lasts only seven (7) seconds.
I case of an emergency the sirens will start playing a rising and falling sound for one minute, then when the dangerous situation is over the sirens will play a seven second steady sound.
Sound recorder, video recorder, photographer: Mikael Maffei
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