ODNR Indian Lake Dam and Lake Loramie Dam and Spillway Rehabilitations Indian Lake and Lake Loramie State Parks, Ohio

Project Owner/Client: Ohio Department of Natural Resources
Client: Stantec

National Engineering & Architectural Services Inc. (NEAS Inc.) provided the subsurface investigation to collect data necessary to determine the overall condition and specific deficiencies of the dams. To meet the requirements of the Indian Lake Dam subsurface investigation, our drill rig was loaded on a barge and transported to the middle of the dam to obtain borings. The goal of this investigation was to determine if ODNR should repair or replace the 160-year-old spillway.

NEAS Inc. completed an aggregate twenty-nine borings, totaling 1,000 LF for both projects. The drilling footage was essentially distributed equally between the two dam sites. Each site included borings on pavement, borings in unpaved areas and borings in the water, which ranged between 30 to 40 feet below present grades. Additionally NEAS Inc. conducted Moisture Content Testing of the soils and concrete coring and testing of 54 concrete cores of various structure units at each dam site. A final geotechnical soils report was submitted in addition to a concrete structural and petrographic analysis.

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