The north-side stands at Lansdowne Park's Frank Clair Stadium are dangerous for spectators, according to a new consultant's report.

A structural capacity review says the stands at Lansdowne Park should be restricted to 60 per cent capacity, for safety reasons. It also reports that the Civic Centre is starting the crumble.

The study's findings come as city officials continue to try to hammer out a deal with two groups that have competing visions for a new stadium in the capital.

Sources tell CTV Ottawa over the past few days, city officials have been working with both sides to strike a deal on a single plan that would put an open-air stadium in Kanata to house both CFL and Major League Soccer.

As it stands now, Minto boss Roger Greenberg and his team -- which includes Ottawa 67's owner Jeff Hunt and developers Bill Shenkman and John Ruddy -- want to build a multi-use, open air stadium at Lansdowne Park, which would bring a CFL franchise to Ottawa.

Meanwhile, Ottawa Senators owner Eugene Melnyk has drafted his own plans to build an open-air stadium and entertainment complex near Scotiabank Place in Kanata, which would serve as a base for a potential Major League Soccer franchise in Ottawa.

If the two sides reach a compromise, Coun. Peter Hume says the group behind the Lansdowne Live plan would get first dibs to develop the city's plan to revitalize Lansdowne Park.

But Greenberg says a compromise on a new stadium is still premature.

He says there haven't been any studies to demonstrate CFL can survive in Kanata, and he remains convinced his plan is the best one on the table.

Meanwhile, representatives from the Melnyk team say they are currently reviewing new information, but have nothing to report at this time.

Public delegations on the stadium debate are set to begin on Monday. City council will make a decision on the issue April 22.

With a report from CTV Ottawa's Catherine Lathem