Our expert responds #9

24 giugno 2020

by Idroelettrica spa

In which situations can the water supply tank be "open sky"

QUESTION
In which situations can the water supply tank be "open sky"?

ANSWER
In the attached slides, the following are indicated:
-    what are the water supplies provided by UNI EN 12845
-    what are the SINGLE UPPER WATER SUPPLIES, provided by UNI EN 12845
-    what are the characteristics of the water supply tanks in the case of SINGLE UPPER WATER SUPPLIES

 


From what is shown in the slides, it is clear that an "open sky" water supply:

  • can only be allowed when there is a single water supply
  • IT IS FORBIDDEN IN CASE A SINGLE UPPER WATER SUPPLY MUST BE MADE.

In fact, for a upper type of water supply, it is required that there is no penetration of light or material from the outside into the water supply tank.
This result can only be achieved if the water supply tank is of the CLOSED type.

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