Capstones

Graduation Date

Fall 12-16-2019

Grading Professor

Andrew Lehren

Subject Concentration

Investigative

Degree Name

Master of Arts (MA)

Abstract

Since the early days of electrification, New York City has been rattled by manhole explosions –– underground blasts that injure residents, damage buildings, force evacuations, cause power outages and traffic disruptions.

Consolidated Edison, the city's largest electric provider, has for decades blamed manhole issues on bad weather and road salt that erodes underground wires. But some experts and former utility workers say lack of maintenance is at the root of the problem.

Meanwhile, city and state officials have failed to rein in the problem through weak laws and loose oversight. As a result, unsuspecting drivers and pedestrians continue to be hurt in manhole blasts as Con Edison fights off dozens of personal injury lawsuits in the city’s civil courts.

Link: https://medium.com/@GLD_Live/more-than-a-century-after-problem-emerged-manhole-explosions-still-injuring-dozens-in-new-york-e7343904e759

manhole_midtown_1.PNG (7476 kB)
A manhole smokes on 8th Avenue in Midtown Manhattan on November 18, 2019. (Photo: Gaspard Le Dem)

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A manhole smokes on 8th Avenue in Midtown Manhattan on November 18, 2019. (Photo: Gaspard Le Dem)

manhole_midtown_3.PNG (7751 kB)
A firefighter looks on as a manhole smokes on 8th Avenue in Midtown Manhattan on November 18, 2019. (Photo: Gaspard Le Dem)

manhole_midtown_4.PNG (7142 kB)
ConEdison crews respond to a manhole incident on 8th Avenue in Midtown Manhattan on November 18, 2019. (Photo: Gaspard Le Dem)

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NYPD respond to a manhole incident on 8th Avenue in Midtown Manhattan on November 18, 2019. (Photo: Gaspard Le Dem)

manhole_midtown_7.PNG (7164 kB)
ConEdison crews respond to a manhole incident on 8th Avenue in Midtown Manhattan on November 18, 2019. (Photo: Gaspard Le Dem)

incidents_by_year_coned.png (844 kB)
Manhole incidents in New York City (smoke, fire, explosions) from 2005 to 2018, per Consolidated Edison data.

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Average yearly FDNY dispatches for manhole incidents by time of day for the period between 2009 and 2018, per FDNY data.

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Average FDNY dispatches for manhole incidents by month (2009-2018), per FDNY data.

map_incidents_ by_council_district.png (1333 kB)
Manhole incidents per 100,000 people by New York City council district.

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