![]() ![]() The main drain test is required by NFPA25 to be performed annually to ensure the proper water supply is available at the system riser, detect changes in the water supply that may affect the sprinkler system’s performance, and confirm the drain valves are operational. In this post, we’re going to review:ĭo you need help testing your fire sprinkler system? Get a free estimate today! 2” MAIN DRAIN TEST Different tests are performed to check your system’s functionality, as well as all the specific components of your system. The types of tests that can be performed depend on the type of system you have. But it also lets you know if your system is working properly. Sure, testing is performed to comply with NFPA regulations, insurance requirements, and to keep you out of trouble with the fire department (ahem, violations). Location of flow and test hydrants is needed.If you have a fire sprinkler system, you don’t actually need to test it, right? Wrong.Location and size of water mains is needed. ![]() Deflectors/diffusers may be required dependent upon location and conditions.It may be required to direct the discharge toward a storm drain or other safe drainage. Some locations may present runoff problems.All downtown locations require the use of a diffuser.The temperature needs to be above 40 degrees Fahrenheit (or prior arrangement).Contact the Lafayette Fire Prevention Bureau to schedule a flow test (48 hour notice).Requirements & Considerations for Conducting a Flow Test Please contact Inspector Todd Trent by email or phone at 76 to schedule a Flow Test. The Lafayette Fire Prevention Bureau supervises fire-flow flow tests that may be required for fire protection system design or alteration. The design of automatic fire sprinkler systems is largely dictated by the data from hydrant flow tests. ![]() These tests include the actual measurement of static (normal operating) and residual pressures, and the flow from hydrants. In order for fire protection system designers to determine the quantity of water available for fire protection, it is necessary to conduct water flow tests on the water distribution systems. ![]()
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