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Announcement 1 Site Maintenance Announcement - New Xchange is Coming!
Announcement:Site Maintenance Announcement - New Xchange is Coming!

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For the railway tunnels, NFPA 130 Clause requires the cross passage for emergency egress should be spaced no more than 244 m (800 ft). However, clause Within underground or enclosed trainways, the maximum distance between exits shall not exceed 762 m (2500 ft). This distance is much longer than 244 m as required by Clause

Vehicles have changed significantly over the years. Modern vehicles present new hazards due to the incorporation of larger quantities of combustible materials (e.g., fuels, plastics, and synthetic materials) into their designs. As the popularity of alternative fuel vehicles has grown, concerns regarding their unique hazards, burn characteristics,
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NFPA has developed three new Learning Path programs to help different stakeholders prepare for certification credentials at their own pace and at the level they deem necessary. Professionals looking to get ready for Certified Fire Protection Specialist (CFPS), Certified Fire Inspector (CFI-I), and Certified Fire Plan Examiner (CFPE) exams can
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NFPA 2001 Clarification. We are under an inert gas system design (IG-541) . Our system is class C fire and according to NFPA-2001 table A. minimun design concentration of 38.5% shall be used.   My concern is related to concetration target to calculate the discharge time. There are two paragraphs on NFPA-2001