IGF::OT::IGF THIS IS PHASE 2 OF PROJECT REPAIR DRAINAGE-HEADWALLS RWY 17-35. THE WORK CONSISTS OF SITE WORK AND DRAINAGE IMPROVEMENTS REQUIRED TO REPAIR AND CONSTRUCT UNDERGROUND AND SURFACE DRAINAGE SYSTEMS, NEW PIPE, INLETS, DRAINAGE STRUCTURES, SITE AND DITCH LINE GRADING, EXCAVATION, DEMOLITION OF EXISTING STRUCTURES, FILL, SURVEYING, TESTING, SEEDING, EROSION CONTROL, ANCILLARY ITEMS AND OTHER CONSTRUCTION WORK AS DEFINED AND SHOWN ON THE CONTRACT DOCUMENTS. THE TOTAL PERIOD OF PERFORMANCE IS ESTIMATED AT 270 CALENDAR DAYS.