Roof and Porch Repair Program Registration is currently closed. The Roof and Porch Repair Program is administered through a lottery process. Registration for the 2017 Roof and Porch Repair Program will take place from 9 a.m. to 5 p.m. on Thursday, Sept. 8, 2016. Residents can register for the lottery by calling 311 or DPD customer service at 312.744.3653. Online registration will also be available on this web page.