As construction bids came in to fix the damaged spillway at Oroville Dam, a new round of storms sent water out through the partly collapsed concrete chute over the weekend. State officials expect water to pour through the spillway for up to two weeks, depending on rainfall levels.State officials have reopened the damaged spillway at Oroville Dam as another set of rainstorms began moving across Northern California. Water resumed gushing through the partly collapsed concrete chute Friday morning.