Developer Jerry Kamilos has asked state fair board officials to give him 30 more days to develop elements of an arena land swap proposal that would relocate the fairgrounds to Natomas, a state fair official said Tuesday. Kamilos, who is proposing to build a downtown arena, asked the California Exposition and State Fair board late last week to postpone releasing a consultant's report on his proposal to sell Cal Expo and swap that fairground site for the Arco Arena site until Sept. 17, said Cal Expo Deputy General Manager Brian May. Cal Expo officials had planned to release the report Tuesday. Kamilos is requesting that they consider additional information before finalizing the report.  T

A few more details have emerged as part of an arena and land-swap plan currently being considered by city and state fair officials. A plan laid out by developers Gerry Kamilos and David Taylor calls for mixed-use private development of city-owned railyards land and the current state fairgrounds site. That development would help finance a $400 million sports and entertainment complex downtown and new fairgrounds in North Natomas, according to documents the city released late last week. The "Sacramento Convergence" development team, which includes Macquarie Capital, would invest $600 to $700 million in private equity and debt in the project. The developers also propose other funding mechan