Security Tight All Around for Jacksonville and Super Bowl

Fencing, high-tech surveillance, securing of utilities all part of plan that will cost much more than original plan

"Merchants are concerned about how they will get merchandise and employees into work," said Rachel Kaltenbach, a spokeswoman for The Jacksonville Landing, a downtown riverfront shopping area.

Security even extends to Jacksonville's water lines.

To keep terrorists from contaminating the city's water supply, the JEA - which runs Jacksonville's power and water system - is locking 200 water meters on abandoned property downtown, another unprecedented measure.

Jacksonville resident Joe Hart, 51, a roofing contractor and Army veteran, said he's concerned about something happening - but also believes security will be adequate.

"Anything can happen," Hart said, between cigarette puffs, "but it's not likely."