PS1967 Project 5: 18230 – Gregory, 18160 – Delano, 18270 – Hefferan, 18530 – Tilton, 18170 – Ellington, 18360 - May Contract PDF: Design Build Services – 2013 School Investment Program – Project 5 Other Documents: Awarded to: Tishman Construction Corporation of Illinois Board Approval Date: 07/09/2013