The Contractor shall provide professional engineering design services including 1) Hydraulic and Hydrologic Analysis (for Cottonwood Creek crossing); 2) 3R Analysis and Speed Study; 3) Design Study Report; 4) Public Involvement; 5) Right of Way Base Mapping; 6) Utility Conflict Report; 7) PS&E Documents; 8) Completion Documentation; 9) Bidding Assistance; and 10) Construction Assistance. The Contracting Agency may add other related services by amendment but is under no obligation to do so.