Commission hears electrical-system risks and constraints; NFPA 70B arc-flash study planned
Staff told the commission that an arc-flash study under NFPA 70B and conductor-sizing verification are needed to determine if deeper electrical upgrades are necessary. Staff warned that a full transformer replacement or other upgrades could cost millions and could affect prospects for on-site solar because the building sits inside a National Grid network area.
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Staff updated the commission on outstanding electrical questions at the convention center. They said the engineer is preparing work under NFPA 70B and that engineers need to verify conductor and breaker sizing. "The next step we're looking at on that NFPA 70 b plan... That's just ready for format cleanup and then submit it," staff said while describing the arc-flash study.
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