Alarm Triggered by Malfunction

Pennsylvania

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Firefighters responded to a fire alarm at a commercial building in Pittsburgh, which was determined to be a false alarm caused by a system malfunction. Most units have cleared the scene.

Fire Alarm Activation in Commercial Building

 Units on scene, they said they're going to put the system on test for back in service last company.

 Attention all companies, zone 14 is now struck out. Zone 14 for 100 Smithfield Street is now struck out. 4 Engine is last remaining company back in service.

Unit dispatch, 4 Engine. 4 Engine. Units on scene, they said they're going to put the system on test for back in service last company. Received. Attention all companies, zone 14 is now struck out. Zone 14 for 100 Smithfield Street is now struck out. 4 Engine is last remaining company back in service. Received.

Firefighters have put the alarm system on test mode and are clearing the scene.

Command 4 Engine. Go ahead, 4. This is set off by standing, you return the company. Received. Dispatch, you can return them, 4's remaining on scene. Battalion 1's back. Received, all companies responding to zone 14 can return. All companies responding to zone 14, 100 Spitfield Street can return. 4 Engine remaining for the report.

Firefighters determined the alarm was triggered by a malfunction. Most units are returning, with one remaining to complete the report.

4 Engine on scene, there's nothing showing. We're going to go in and investigate. You can pull the companies down.

 Received, 4 Engine on scene, nothing showing, response 1. All companies responding to zone 14, go to response 1. Zone 14, 100 Smithfield Street, response 1 for investigating.

4 Engine on scene, there's nothing showing. We're going to go in and investigate. You can pull the companies down. Received, 4 Engine on scene, nothing showing, response 1. All companies responding to zone 14, go to response 1. Zone 14, 100 Smithfield Street, response 1 for investigating.

Firefighters on scene report no visible signs of fire and are investigating inside the building.

Attention all companies, fire 1 dispatch, zone 14, nowhere commercial fire alarm, 100 Smithfield Street, off 1st Avenue and Boulevard of the Allies, coming in for a zone 10 general fire alarm.

 Again, all companies, fire 1 dispatch, zone 14, commercial fire alarm, 100 Smithfield Street, off 1st Avenue and Boulevard of the Allies, general fire alarm activation.

 Responding companies, 4 engine, 3 engine, 37 engine, 24 engine, 4 truck.

Attention all companies, fire 1 dispatch, zone 14, nowhere commercial fire alarm, 100 Smithfield Street, off 1st Avenue and Boulevard of the Allies, coming in for a zone 10 general fire alarm. Again, all companies, fire 1 dispatch, zone 14, commercial fire alarm, 100 Smithfield Street, off 1st Avenue and Boulevard of the Allies, general fire alarm activation. Responding companies, 4 engine, 3 engine, 37 engine, 24 engine, 4 truck.

Firefighters are responding to a report of a fire alarm activation in a commercial building.

A 911 caller has reported an unconfirmed incident at 100 Smithfield St.

Fire Alarm Activation in Commercial Building

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