A janitor at Goldman Sachs’ Battery Park headquarters was forced out into the treacherous post-Hurricane Sandy streets and fired because a drunken supervisor accused him of stealing a $100 bill, a $10 million lawsuit alleges.

“They threw me out like a dog after working so many hours — no sleep, hauling sandbags, for no reason,” said Mefit Zecevic, 42, of Staten Island.

The Albanian immigrant was employed by ABM Industries for 11 years. The company supplied blue-collar staff to Goldman Sachs.

Zecevic, a union employee with a $60,000-a-year salary, was ordered into work at 1 p.m. Oct. 28 to secure the building before Sandy hit.

On Oct. 30, a day after the worst of the storm, supervisor Eric Holt, slurring his words and swaying on his feet, accused him of taking money from a co-worker’s shirt pocket, the suit says.

Holt then allegedly kicked Zecevic out of the building, forcing him to wade 13 hours in waist-deep water.

A spokesman for ABM Industries said, “Mr. Zecevic’s claims and characterizations are inaccurate and misleading.”