The shuttered Sahara would reopen with a renovated casino floor and 1,622 hotel rooms, but minus its signature roller coaster, under plans unveiled on Wednesday. The plans, presented to the Clark County Commission, end speculation that owners of the 59-year-old building were going to implode it and start from scratch. Commissioners approved use permits to renovate the hotel’s interior, including the casino and 1,622 rooms. Plans also include demolition of the roller coaster.