A coterie of white Buildings Department managers and human resources officials, including the woman charged with ensuring equal opportunity, are conspiring to discriminate against black and West Indian people working for the agency, a federal class action lawsuit claims. The suit, first reported by the Daily News, says that the discrimination is so endemic that one qualified black worker was passed over for a supervisor job in favor of a probationary white worker who did not know how to read blueprints (which the job required).

Eight workers are suing altogether, but they believe that "at least 100" current and former DOB employees have been affected, and say their efforts to report the malfeasance internally got them branded "troublemakers" by HR.

Each of the plaintiffs' stories is similar: long years working with the department, a job opening, in some cases, a supervisor encouraging him to apply, and a white person with significantly fewer qualifications getting the job. Often, the suit claims, white workers are groomed for jobs, and have even taken over new offices before the positions are posted. In one particularly galling account, a Haitian electrical inspector on the job for 28 years was told by his boss to apply for a supervisory job in 2012, told that he'd gotten the job by a commissioner, then went on a scheduled vacation and returned to find the job had been given to someone else, and that he'd been transferred to another shop by Thomas Connors, senior executive director of development.

The suit claims lawyers have proof that "Connors does not like blacks/immigrants from the Caribbean and believes that there are too many of them employed by the Department of Buildings," and that he told Dorsainville’s supervisor "as long as he was in the department none, particularly Dorsainville, would ever get promoted."

"I give the department my soul, everything to my ability," Dorsainville told the News. "Interview after interview, I give my resume. It doesn't matter."

Connors was one of two DOB officials disciplined in 2009 for failing to ensure inspectors were properly trained in connection with the 2007 Deutsche Bank fire that killed two firefighters near Ground Zero.

Gary McCalla, allegedly passed over for a supervisory job his boss told him he was best qualified for in favor of the probationary employee who can't read blueprints, is now being sent out to do work the newly promoted guy can't handle, the suit says. The snub is so nonsensical that McCalla claims his boss and the promotion recipient have both apologized for it.

Yvone Cantave, an assistant chief inspector, says he applied for four chief openings since 2012, and that each time the job was given to a white person with less experience and fewer qualifications. He also applied to the same supervisor position as Dorsainville, and the same thing happened there. When he expressed interest in a deputy borough commissioner role, he says Robert D'Alessio, executive director of enforcement, best excavation, interior demolition, and scaffold safety, told him he needed engineer or architect qualifications, even though two white people in such a position didn't have them.

When Cantave complained of discrimination, he says HR head Gina Bitro and two bosses demoted him in retaliation. Bitro and equal employment opportunity officer Bernadette Nespole are accused of warning white managers to beware of those plaintiffs who had complained, and labeling them "troublemakers." Cantave says that he was denied the cost of OSHA certification courses that his white colleagues got covered, and that when Bitro discovered he was paying for and taking the courses on his own, she grilled him on how he had gotten into the program.

Other alleged indignities include workers having their city cars taken from them and given to white workers, and an accusation by one plaintiff's boss that he'd faked injuries from a car crash to avoid working.

"Institutionalized discrimination is still alive in the city of New York," lawyer Anthony Ofodile, told the News. "The intent of the lawsuit is to try to stomp this out."

A DOB spokesman declined to comment, citing the pending litigation.