Fire Hydrant Testing Procedures

This standard operating procedure guideline addresses programs and procedures for inspecting and maintaining hydrants.

Fire hydrant testing procedures.

One person at residual hydrant one at the flow hydrant b. Before new lines are installed a residual fire flow is performed near the project site. Conduct the flow test a. Fire hydrants must be operated properly so adequate fire protection can consistently be provided.

Test fire flow testing nfpa ratings color flow rating blue 1500 gpm very good green 1000 1499 gpm good orange 500 999 gpm marginally adequate red below 500 inadequate involves a minimum of two hydrants on any test. Fire hydrant management goals the inspection testing and maintenance of tammany utilities tu fire hydrants is critical to determining the readiness of the hydrants to provide water at fire emergencies. 1 flow hydrant 2 residual hydrant. Open flow hydrant fully c.

The inspections shall verify the location accessibility proper mechanical operation and water flow from the hydrant. The current edition which replaces and supersedes the 2016 version of the standard is distinguished by including the metric formula for discharge through circular orifices. The standard for fire flow testing and marking of fire hydrants nfpa 291 2019. This procedure provides guidance for the inspection and maintenance of the fire hydrant system in the city and to improve the working relationship with the city water and system.

Recommended practice for fire flow testing and marking of hydrants has been revised. Traffic and or water damage to the surrounding environment. Determine outlet nozzle coefficient 5. Hydrant flow testing hydrant flow tests are conducted to determine water availability in planning for firefighting activities fire sprinkler systems or domestic water demand.

Hydrant flow test procedures 4. Fire hydrant testing procedures shall include the following. Measure record i d. Always remember to flow test and inspect fire hydrants annually to ensure the operation of the hydrants in your system.

The purpose of the. These tips apply to the dry barrel hydrants commonly used on water distribution systems in the midwest. The tests are also useful in determining the general condition of the water distribution system by detecting closed valves or wall deposits. Take readings simultaneously after pressure at the residual hydrant has stabilized d.

When flowing hydrants consideration should be given to potential interference from. Spectrum fire protection provides professional fire hydrant testing service in accordance with nfpa 291 this code establishes that all fire hydrants must be inspected and tested at least annually. The following information on fire hydrant operation and maintenance provides insight into this process.