The Fort Point Channel Landmark District Commission will hold a public hearing on January 13, 2011 at 5:00 PM at Boston City Hall to review applications for design approval of proposed changes to properties in the Fort Point Channel Landmark District. Applications include installing signage at 319 A Street and 337 Summer Street, and substantial renovations and restoration work with changes to buildings at 7-9 Channel Center and 5 Channel Center intended for residential and commercial uses. Public comment will be taken on these applications and other business before the Commission.