|
25
|
2
|
Equipment room: equipment and chemicals kept in a dry, well-ventilated enclosure |
No |
No
|
No |
No forced air ventilation or natural cross draft ventilation in equipment/ chemical room. |
|
27
|
2
|
Equipment room: filter backwash discharged through an air gap |
No |
No
|
No |
Backwash line inserted down into larger pipe in floor.
** Backwash water should discharge through a complete air gap. |