Metro Magazine

SEP-OCT 2014

Magazine serving the bus and rail transit & motorcoach operations since 1904

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Page 95 of 143

Material Welding Contract Cut & Sew Material Cutting • CNC Pattern Cutting • Slitting & Rerolling Made in the USA Custom Solutions Innovative Design FOR MORE INFORMATION VISIT: www.besi - OR CALL 800-543-8222 EXPERIENCE THE DIFFERENCE Q U A L I T Y M A T T E R S 92 < m ETRO m AGAZINE SEPTEMBER/OCTOBER 2014 chanical shock, Corrosion resis- tance and Ingress Protection Rat- ing of electrical equipment. • Risk ass essment : A risk assess- ment by an experienced profes- sional is required on new vehicle designs or when variations in de- sign use condition and environ- ment, could change the fire risk potential or system performance. • Follow-up inspection: An annu- al inspection of the manufactur- ers' production facility and quality control plan ensures compliance to the requirements of the certif- cation rules. • Sampling of extinguishing agent : Sample of the extinguishing agent a re t e s t e d a ga i n s t k n ow n s t a n - dards and analyzed to ensure con- formity. GLOBAL INCREASED AWARENESS A l l ov e r t h e w o r l d t h e re i s a n i n - creased awareness related to fre (Figure 5) simulates not only dif- ferent types of fire hazards, but also includes airflow, clutter and other parameters that can have an impact on the system's ability to suppress fres and provide protec- tion against the possibility of re-ig- nition. • Component testing: Mechanical and thermal stress resistance, Me- BUS FIRES Fig. 5: Fire testing in a test rig, simulating a bus engine compartment, at SP in accordance with SP method 4912.

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