Water Mist Servey

Nozzle #

Distance from nozzle to overhead (MAX 12 inches from overhead)

Is Nozzle in Pendant Position

Is perimeter nozzle within 2' to 5' spacing to bulkhead (Y/N/NA)

Is Nozzle spacing to adjacent nozzles within 4' to 10' (Y/N)

Is nozzle spraying directly into electrical equipment. (Desired answer is NO)

Vertical Flow – 40 DEG from horizontal and “area” below

Is Obstruction greater than 3' from vertical orifice (Desired answer is YES)

Are there any Major obstructions that are = to or > than 10 Ft^2 in a projected area (desired answer is NO) If yes, see next column

Is obstruction greater than 4' in any dimension (desired answer is NO)

Horizontal Flow - Between 20 DEG and 40 DEG from horizontal

For Non-hazard areas are 2 or more orifices blocked (Y/N/# of Orifices blocked)

For hazard areas are any orifices blocked (Y/N/# of Orifices blocked)

For hazard area, Can 2 or more blocked orifices be improved (Y/N)

Is obstruction greater than 2' from nozzle (Desired answer is YES)

Are there any major obstructions that are = to or > 10 Ft^2 in projected area (Desired answer is NO) ( If yes , see next column)

Is obstruction greater than 4' in any direction. (Desired answer is NO)

Is the nozzle going to be moved

Vertical Flow obstruction

Horizontal Flow obstruction

Notes for any moves

Please note that this checklist is a hypothetical example and provides basic information only. It is not intended to take the place of, among other things, workplace, health and safety advice; medical advice, diagnosis, or treatment; or other applicable laws. You should also seek your own professional advice to determine if the use of such checklist is permissible in your workplace or jurisdiction.