Occupy protesters have been told to remove their tent settlement from Centennial Mall by March 1.
The city expects the area to become a staging site for contractors working on the mall.
Parks and Recreation director Lynn Johnson says the city is starting Centennial Mall renovation work a year early so it can be coordinated with resurfacing work on adjacent streets this spring and summer.
Protester Jo Tetherow says the Occupy occupants are researching their response to the city.
The Occupy movement began in New York, decrying what protesters see as corporate greed and the growing gap between rich and poor.