EAST RUTHERFORD, N.J., Sept. 15 - With a deadline looming, the Giants submitted a master plan on Thursday for a new $800 million stadium complex, a training center and a retail center that it would share with the Jets in the Meadowlands.
The master plan, which was due on Thursday, calls for a new 80,000-seat stadium northeast of the current one. It is but one of three critical elements required to fulfill the terms of an April agreement among the team, the state and the New Jersey Sports and Exposition Authority.
That agreement is set to expire on Monday.
To keep the stadium deal alive, the team must also come to terms with the developers of Xanadu, the $2 billion retail, sports and entertainment complex that would share the Meadowlands, by Friday morning, before the sports authority board meets.
The Giants, who have long been the premier tenant at the Meadowlands complex, must also strike a partnership with the Jets by Monday to operate the new stadium.
The Giants have been squabbling with both the Jets and Xanadu's developers over the past month, and taking positions on the new stadium that Carl Goldberg, the chairman of the Sports Authority, has described as "intractable" and "truculent."
On Thursday, though, Mr. Goldberg said he was beginning to review the team's master plan, and said it appeared to meet the conditions of the agreement signed last April.
"I'm pleased they seem to have responded to my recommendations," Mr. Goldberg said.
John K. Mara, executive vice president of the Giants, said that the team also had made some headway in talks with both Xanadu and the Jets in the past 24 hours. "I think we have made some progress," he said, as he showed the team's master plan to reporters at Giants Stadium. The sports authority meets Friday to review the progress and to decide whether to authorize Mr. Goldberg to end the April agreement for a stadium, or to continue pursuing a deal. He said that he hopes all the agreements are in place by their respective deadlines.
But there were still substantial differences to overcome with the Jets.
"We remain far apart on several issues," said Matt Higgins, a Jets vice president, "but we are willing to listen to proposals for a full and equal partnership."
One Jets executive said that he thought it would take weeks to come to terms.
The Giants seem closer to reaching an agreement with Xanadu. Fearing that it would bring traffic congestion and that its patrons would occupy too many parking spots on game days, the Giants sued the developers, so far unsuccessfully.
But both sides said on Thursday that they now agree on all but one issue. The Giants want the developers to support its master plan over that of the Jets, in return for the team's approval of Xanadu's transportation plans.
"We are very hopeful we'll conclude a deal by tomorrow morning," said Robert Sommer, a spokesman for Xanadu, "but we're not going to take a position on who has the better stadium plan." He said the teams should work that out with the sports authority.
Mr. Mara said that he expected to reach an agreement with the developers, while putting off the question of "mutual approvals" for later.
Coming to terms with the Jets, who continue to pursue a possible move to Queens, may be more difficult. The Jets submitted less-detailed plans to the sports authority last month that embraced Xanadu and laid out a 90,000-seat, two-team stadium with a hotel and conference center and a sports-related retail complex. The proposal won compliments from the sports authority.
The Giants and Jets were said to still be working at cross-purposes as late as Wednesday night, but Mr. Mara insisted on Thursday, "We've always wanted a 50-50 partnership with the Jets."
Unlike previous plans, the one the Giants unveiled on Thursday included a stadium that is "team neutral" and has a bridge to Xanadu over Route 120.
The new stadium, Mr. Mara said, would bring fans closer to the field, while stacking 200 glass-walled luxury suites on four floors on the western side of the stadium.
There would also be a team store, a stadium club and a hall of fame built inside the stadium that the Giants said would serve as a year-round attraction. The drawings show a retail and entertainment area outside, including a health club, restaurants and a field that could be used for flag football and other games.
At the insistence of the sports authority, the Giants included structural elements that allow for the construction of a retractable roof. The state says that a roof or dome, which could cost $200 million, would let the stadium attract Super Bowl games, Final 4 basketball championships, political conventions and other events that would fill the building for more than 20 football games a year.
Mr. Goldberg said on Thursday that the sports authority would review the Giants' master plan and determine which elements are most compatible with the site. It may also ask the Giants to incorporate some of the Jets' proposals.