Nitsch Engineering was contracted to perform a topographic existing conditions survey, and as-built monitoring of the Blue Hill Reservoir. Initially Nitsch was asked to provide an existing conditions survey of the bottom of the Blue Hill Reservoir, after it had been drained including the location of key drainage structures and piping. As construction proceeded for the installation of massive water storage tanks, we were asked to provide as-built monitoring of the contractors earthwork placement. Time was of the essence due to the on-going construction, therefore immediate on-site confirmation of critical material placement was needed. The final AutoCADD product for the topographic survey was provided in Carlson SurvCADD (LDD and Civil 3D compatible