A07 TE 7.12 Hydrant Inspection, Maintenance.pdf

Hydrant Inspection, Maintenance, and Flushing

Fire Hydrant

1) Maintenance and flushing timeframe.

a) Annually during the months of July - September.

2) The following tasks shall be accomplished during the annual maintenance:

a) Inspect hydrants visually. Evaluate whether painting is required.

b) Remove obstructions around hydrants.

c) Check hydrant height to match surface grade.

d) Check the breakaway device for damage on traffic model hydrants.

e) Check for main valve leakage throughout the process.

f) Check for the presence of water or ice in the hydrant barrel

g) Open the hydrant and flush to remove foreign material from the interior and lead.

h) Check the operation of the drain valve

i) Remove water from barrel on no drain hydrants

j) Using a listening device, check the main valve for leakage.

k) Check hydrant for ease of operation. Lubricate to improve operation.

l) Check for leakage at flanges, around outlet nozzles, at packing or seals, and around the operating stem.

m) Flush the drain outlets

n) Clean outlet nozzle caps threads, check the condition of the gaskets, and lubricate the threads.

o) Check outlet nozzle cap chains or cables for free action on each cap.

p) Check the lubrication of operating nut threads. Lubricate per the manufacturer's recommendation.

q) Locate and exercise the auxiliary valve.

Yard Hydrants

1) Annual Yard Hydrant maintenance and inspection timeframe:

a) Shall be conducted annually in April.

b) Activate yard hydrants at the valve for use in April.

c) De-activate yard hydrants in October.

2) Annual Yard Hydrant maintenance and inspection tasks:

a) Inspect nozzles.

b) Flow test nozzles to verify function and range of motion.

c) Lubricate nozzles.

d) Inspect hose houses for accessibility and physical condition.

e) Inspect and clean strainers.

f) Conduct flow test of yard hydrant.

TE 7.12 Hydrant Inspection, Maintenance and Flushing

TE 7.12 Hydrant Inspection, Maintenance and Flushing 1 of 1