Fire Hydrant Testing Procedures

The inspections shall verify the location accessibility proper mechanical operation and water flow from the hydrant.

Fire hydrant testing procedures.

Fire hydrant testing procedures shall include the following. 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. Take readings simultaneously after pressure at the residual hydrant has stabilized d. Before new lines are installed a residual fire flow is performed near the project site.

The purpose of the. Prior to testing on private property notification must be made to the owner manager. 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. 1 flow hydrant 2 residual hydrant.

All residual flow tests should include static residual and flow pressures as well as a 50 point inspection of each fire hydrant tested. Recommended practice for fire flow testing and marking of hydrants has been revised. Traffic and or water damage to the surrounding environment. 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.

One person at residual hydrant one at the flow hydrant b. This standard operating procedure guideline addresses programs and procedures for inspecting and maintaining hydrants. Measure record i d. Determine outlet nozzle coefficient 5.

When flowing hydrants consideration should be given to potential interference from. The tests are also useful in determining the general condition of the water distribution system by detecting closed valves or wall deposits. Fire hydrants must be operated properly so adequate fire protection can consistently be provided. Hydrant flow test procedures 4.

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. The same regulation also establishes that a flow test must be conducted every 5 years. Always remember to flow test and inspect fire hydrants annually to ensure the operation of the hydrants in your system. These tips apply to the dry barrel hydrants commonly used on water distribution systems in the midwest.

Open flow hydrant fully c. Conduct the flow test a. The following information on fire hydrant operation and maintenance provides insight into this process.