Execution of Work

Are hangers straight and plumb?

Are hangers installed to manufacturer's guidelines?

Are hanger and supports proper spaced and independently supported?

Are hanger damaged or been removed by other trades?

Are hangers installed to NFPA 13 standards?

Are hangers of the CORPS listed approved material

Pipe, Fittings and Valves

Is proper schedule of pipe being used? (2-1/2" and larger diameter pipe Schedule 10 and 2" and smaller diameter pipe Schedule 40)

Is pipe free of physical damage?

Is pipe and fittings installed free of foreign debris or corrosion?

Are joints and fittings properly installed

Verify that indicating valve is working and in the correct position for system condition?

All floor control valves are installed properly

All valves and devices are accessible

Drain line installed

Are all outlet capped and plugged at the end of shift?

No piping, wiring or duct is touching sprinkler pipe

No more than 4 threads visible on threaded joints?

All bolts shall extend no less than three full threads

Are all bolts torqued to manufacturer's guidelines?

Has all pipe been pressure/water tested?

All material installed meet CORPS approval?

Sprinkler Heads and Flexible Connections

Are the proper temperature rating sprinkler heads installed?

Are brackets attached to ceiling grid as per manufacturer's guidelines

Are sprinkler head guards installed properly

Are sprinkler heads obstructed?

Are sprinkler heads free of paint, corrosion, or other non-approved contaminants?

Are sprinkler head located at least 1 foot away from diffuser?

All material installed meets CORPS approval ?

Design Installation

Are hangers within 12" of the end of the line

No sprinkler heads are further than 7'-6" or closer than 6" from walls

Sprinkler heads are installed under ductwork 4'-0" or greater

Mechanical rooms with ceilings lower than 8' above FF have sprinkler heads with guards?

Do sprinkler spacing exceed 130 sq. ft. in ordinary hazard areas.

Do all low points in sprinkler system exceeding 5 gallons must have a drain?


Is bedding at the proper depth and material?

Are all bolts torqued to manufacturer's specification?

Are all rods and bolts are tar coated?

Is tracker wire installed

Is marking tape 1' foot above pipe?

Is underground installed as per drawings

All installed materials meet USACE approved submittals


Work area is clean and free debris (cut off rods, plastic plugs and caps)

Is fire stopping installed at all wall and/or floor pentrations

Is sprinkler system(s) installed as per drawings?


Material Deficiency

Installation Deficiency

Damaged Material

Additional Comments

Additional Pictures
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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.