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Case Studies

Innovative Automatic Breach Control Valve Protects New World Trade Center Buildings


Case Study

At the earliest stages of the rebuilding effort from 9/11, G.A. Fleet received a call from Mr. Bob Benazzi of Jaros Baum & Bolles. Mr. Benazzi was working on the fire protection systems for the new WTC buildings and had some progressive ideas.

Mr. Benazzi raised the following concern: a breach in any of the 6" fire protection risers would quickly deplete their water supply. Mr. Benazzi suggested installing a self-contained control valve in each riser that would close in the event of a breach. Mr. Kari Oksanen, General Manager at Singer Valve, was determined to come up with a solution. He was able to work up a design and sent Mr. Benazzi a conceptual drawing by the next day. Singer Valve built and tested the valve the following week, with favorable results.

The next step was to demonstrate the operation of the valve for Jaros Baum & Bolles. Rich Mullen, VP and Manager of Fleet Pump and Service, devised a thorough test setup, utilizing the 1000 gallon pump test pit at his facility. During the demonstration Mr. Mullen explained the operation of the valve and tested the valve in various scenarios. Next, Mr. Benazzi wanted to demonstrate the operation of the valve (which now incorporated his proposed design) for the approval of the New York City Fire Department (NYCFD) and The New York City Department of Buildings (NYCDOB). Satisfied with the results, Mr. Benazzi told us it was time to take the next step and set up a testing for Underwriters Laboratory (UL). The testing went well with the valve operating flawlessly within close tolerances.

Installation in the first of the new buildings, 7 World Trade Center, has been completed with the valves installed as planned. The building engineers have been testing the valves once a month and are very happy with the results. The outstanding participation and effort by the individuals at Singer Valve Company was the key to a successful resolution for this client.