Codes and standards concerning emergency backup power and other key resiliency matters should reflect lessons learned from Hurricane Sandy and other recent major storms, says Bhavesh Patel, vice president, global marketing for ASCO Power Technologies.
One standard, the NFPA 110: Standard for Emergency and Standby Power Systems, 2013 edition says, āEPSS (emergency power supply system) equipment should be located above known previous flooding elevations where possible.ā And later states, āFor natural conditions, EPSS design should consider the ā100-year stormā flooding level predicted by the Sea, Lake, and Overland Surges from Hurricanes (SLOSH) models for a Class A hurricane.ā
āThe qualifiers in the two paragraphs ā āwhere possibleā and āshould considerā ā can dilute the effect of the code if the project specifiers are not strict and careful in determining what āpossibleā can entail,ā Patel writes. āThe words āwhere possibleā and āshould considerā are not as straightforward in conveying intent as a more emphatic āmust,ā and leaves the door open for less sense of the need to comply.ā
Patel notes that a post-Hurricane Sandy task force has recommended that New York City codes be updated to locate building equipment higher to avoid flood damage, require sewage valves to prevent backflows during flooding, and provide for easy access to backup generator hookups.
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