Super-Size Sinkhole Grows in Union City, Forces Closure of Intersection | NBC Bay Area
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Super-Size Sinkhole Grows in Union City, Forces Closure of Intersection

A growing sinkhole in Union City will have a major intersection closed for at least another five days while crews work to patch the huge, water-filled hole. Ian Cull reports. (Published Thursday, Oct. 15, 2015)

A growing sinkhole in Union City will have a major intersection closed for at least another five days while crews work to patch the huge, water-filled hole.

The giant gap in the pavement at Alvarado Boulevard and New Haven Street grew from 6 feet by 8 feet when it was first reported at noon Wednesday to 25 feet by 25 feet wide and 10 feet deep by late Thursday.

Repair crews in Union City spent Thursday breaking what was left of the intersection and installed a 30-foot section of pipe to replace a broken water main.

Jasmine Bhutta lives nearby and is concerned the sinkhole is growing. She is not sleeping much due to the noise of crews working throughout the night.

"I've just been awake all night long because of the noise," Bhutta said. "It's been pretty hard even for like my grandparents -- they're elderly."

Neither Union City's public works department nor the Alameda County Water District have a cause for the sinkhole.

Robert Wells, operations administrator for the Alameda County Water District said no one knows what caused the break in the middle of the street, only that the "asphalt collapsed and water appeared in the main."

Concerned residents also want answers for the cause.

"How did it happen all of a sudden? It's a dangerous thing for anybody," resident Phyllis Christy said. "There could've been a care there or a child."

Water service was interrupted to about 20 nearby apartment and businesses late Wednesday and into early Thursday. Crews restored service around 11 a.m. by using different water lines on the grid.

Super-Size Sinkhole Grows in Union City

[BAY] Super-Size Sinkhole Grows in Union City
A sinkhole in Union City continued to grow Thursday, posing a problem for parents wanting to take and drop off their children at a middle school affected by the huge, water-filled hole. Chuck Coppola reports.
(Published Thursday, Oct. 15, 2015)

Meanwhile, Alvarado Middle School parents are being asked to drop their children off behind the campus on Fredi Street, instead of on Alvarado Boulevard.

The cause of the sinkhole remains under investigation. The city anticipates the road to be patched and become safe for pedestrian and vehicle traffic by late Tuesday afternoon.

NBC Bay Area's Ian Cull contributed to this report.

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