sentences:  The Poirier Branch was extensively renovated and expanded in 2008–2009.On February 16, 2011 the city announced that it had purchased the ground floor portion of a building two blocks south of City Hall to serve as the new City Centre Branch.The new location nearly tripled the library's space to 31,000 square feet, and the $15 million cost for the facility and expansion came primarily from revenues collected from the Hard Rock Casino.