Pontiac police and Silverdome officials are planning few changes in their crowd-control procedures for Friday’s sold-out rock concert by the Who, despite the 11 deaths Monday at the Who’s concert in Cincinnati.

Although seating at Friday’s 8 p.m. concert will be on a general admission (first-come, first-served) basis for more than 41,000 fans, – the same arrangement being blamed for the fatal rush by the Cincinnati audience – officials expressed confidence in their ability to avoid any major problems.

Gerry Baron, director of promotion and special events for the Silverdome, said his staff has handled even larger rock concert crowds and has a variety of contingency plans for handling last-minute complications.

As of late Tuesday, the concert was still scheduled to begin at 8 p.m. Doors will open at 6 p.m. and the parking lots will open at 2 p.m.

Baron said at least 30 ticket-taking booths will be staffed and other booths may be opened as crowd flow warrants.

He said the Silverdome has operated as many as 42 gates for sold-out football games for which attendance exceeded 80,000. About 41,000 tickets – the capacity of the Silverdome’s mini-dome – have been sold out for Friday’s concert.

The Who, in 1975, was the first rock group ever to perform in the Silverdome. Tickets for that concert, attended by more than 76,000 fans, were also sold on a general admission basis.

No major incidents were reported, though officials expressed concern at the time over the use of alcohol and marijuana, neither of which will be permitted at Friday’s concert.

Baron said tickets will be taken at the Silverdome’s fence, which surrounds the stadium and is about 120 feet from the doors. That, plus chutes used to queue lines be-