|
25
|
2
|
Equipment room: equipment and chemicals kept in a dry, well-ventilated enclosure |
No |
No
|
No |
Chemical room - light burned out, forced ventilation not working, equipment room - light burned out, needs natural cross or forced ventilation |
|
27
|
2
|
Equipment room: filter backwash discharged through an air gap |
No |
No
|
No |
2" air gap (above basin) required |