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Milwaukee sinkhole repair to take additional 2 weeks

A sinkhole on Milwaukee’s northeast side swallowed a Cadillac Escalade during the height of the storms July 22 at the corner of North and Oakland avenues. (Photo courtesy of Mark Pawlik)

A sinkhole on Milwaukee’s northeast side swallowed a Cadillac Escalade during the height of the storms July 22 at the corner of North and Oakland avenues. (Photo courtesy of Mark Pawlik)

The storms of July 22 in Milwaukee opened a gaping sinkhole at East North Avenue and North Oakland Avenue that swallowed a Cadillac.

Now work at the intersection has been extended an additional two weeks until Sept. 20 before the street can be partially opened to one lane of traffic in each direction, according to a release from Milwaukee’s Department of Public Works.

Heavy rains resulted in the failure of a sewer manhole and resulted in the collapse of a 66-inch combined sewer and underlying utilities and pavement at the intersection.

The initial estimate of at least six weeks to complete the work was based on the preliminary assessment of the damage and the anticipated repairs. Once the area was stabilized, a more detailed assessment of the underground facilities could be made and additional repairs were subsequently required.

The additional work included:

• Removal of excessive debris washed downstream in the 66-inch sewer;
• replacement of the 42-inch water main originally thought not to be damaged;
• replacement of additional sections of sewer pipe;
• installation of temporary sewer by-passes around the excavated area; and
• extensive forming and concrete placement to reinforce sewer facilities.

All sewer work has now been completed and the water main replacement work is ongoing, according to the release.

Impacted underground facilities will be restored, including city communications, traffic signal and street lighting as well as We Energies electrical conduit and AT&T conduit. Surface pavement, curbs and sidewalk will be phased in as excavation work in the area is completed.

A sewer lining project will begin in the area which was delayed this summer due to this emergency work. This will result in minor traffic restrictions over the next couple of months, according to the Department of Public Works.

How does this news affect your commute or your business. Sound off in The Daily Reporter’s CONSTRUCTION FORUM.

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