Dam Safety Modification Additional Relief Wells and Collector System Upgrades, Mohawk Dam, Warsaw, Ohio

The general description of the work for this contract consists of furnishing all materials, equipment, labor, layouts of work features, and supervision needed to accomplish work related to construction measures and modifications to the downstream seepage interception and control system to address system underperformance and potential internal erosion of the dam's foundation soils by backward erosion piping. This contract work includes a base plus one (1) option. The majority of work is included in the Base Contract, while Option 1 only consists of Emergency Backfill to address potential, impending adverse weather (high pool) and related site conditions. The Base Contract work generally includes, but is not limited to, the following features: - Installation of 10 new relief wells with individualized housing, conveyance piping, and outfall structures. - Installation of new seepage collection system components including manholes, piping, connections, and outfall structures. - Modification to, and demolition of, select portions of the existing seepage collection system including manholes, piping, and connections. - Earthwork and stone slope protection construction related to the aforementioned demolition, modification, and installation work.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Cast-in-Place Concrete.
Division 22 -	Plumbing, Plumbing Piping, Plumbing Equipment.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems.
Division 33 -	Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Water Utility Pumping Stations, Wells.
Division 44 -	Pollution and Waste Control Equipment, Water Pollution Control Equipment.