UPDATE: Gilbane-Turner tells 7 News that two individuals have been identified who may be responsible for the graffiti at the new Highmark Stadium. You can read our full story here.
ORIGINAL: Over the weekend, all work at the new Highmark Stadium was suspended after graffiti was found "in several secure locations in both finished and unfinished areas" of the site.
Gilbane-Turner, which is working jointly as construction managers on the more than $2 billion project, announced that a $100,000 reward is being offered for information that leads to the arrest and conviction of those responsible.
In the statement announcing the reward, Gilbane-Turner said that work will resume at the site on Friday and the stadium will be delivered on schedule.
"We suspended work because the people who come to this jobsite deserve to work in an environment that reflects respect and professionalism. When that standard is violated, we address it and take the time to reset expectations. That is who we are and how we operate.
Gilbane | Turner maintains zero tolerance for graffiti, vandalism, or any behavior that undermines the respectful and supportive environment we expect on our projects.
We appreciate the strong support we have received from our trade contractors, unions, local officials, law enforcement, and the workers on site as we work to identify those responsible for this unacceptable act. The response reinforces what we know to be true: the overwhelming majority of people on this project are committed to maintaining a welcoming and professional work environment.
A $100,000 reward has been offered for information that leads to the arrest and conviction of those responsible.
Work will remain suspended on Thursday as we continue our investigation and prepare to welcome approximately 1,500 workers back on Friday to a jobsite that reflects the standards they deserve.
This stadium will be delivered on schedule. Maintaining a safe, respectful, and supportive jobsite is our highest priority."
The Erie County Sheriff's Office released a statement earlier this week confirming it was investigating the incident.
On Tuesday, Erie County Executive Mark Poloncarz was asked about the incident after speaking at an unrelated press conference and said in part, "Some idiot decided to put up pornographic and what we believe is anti-LGBTQ kind of sentiment at the stadium."
WATCH: Construction suspended at new Buffalo Bills stadium after graffiti was found in 'secure locations'
7 News spoke with William Geary, Erie County’s Commissioner of Public Works, on Thursday, and he provided more information.
According to Geary, everyone is swiped and badged into the system, so they were able to narrow it down to around 300 employees who were working throughout the weekend and they are all being interviewed.
Geary said there was about $150,000 in damages to four separate suites on the west side of the building and they were near 100 percent complete.
He said the person(s) responsible used an oil-based spray paint that got into granite surfaces, some of the marble finishes, some of the tiles and wood surfaces and even some of the flooring.
"A lot of this, unfortunately, cannot just be cleaned up," Geary said. "It's going to have to be ripped out and reinstalled."
WATCH: New information released, $100K reward offered after graffiti was found at new Highmark Stadium
Geary said when the workers return on Friday, there will be a mandatory meeting with briefings from Gilbane-Turner and the business managers from the union setting expectations and the ramifications if the expectations are not met. There will also be a larger security presence.
He also said he is still optimistic and believes the project will meet the June 1 deadline.
