Norwest: Water Control and Management


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Water Control and Management Our Services Geology Engineering Field Services Water Resources Surface and Groundwater Hydrology Water Control and Management Water Permitting and Compliance Environmental Assessment & Remediation Environmental Management Consulting	Home > Our Services > Water Resources > Water Control and Management Water Control and Management Norwest has supported clients in developing site-wide water management plans that minimize operational delays associated with the need for an adequate water supply, storage or disposal of a surplus of water, management of storm runoff events and compromised water quality. Norwest also designs and supervises construction of stream diversions and stabilized stream channels. Design procedures involve the application of geomorphic regime theory and the use of various surface water hydrology and erosion and sediment transport computer simulation programs. Sophisticated hydrogeologic modeling provides projections on the effects of an operation on water supply, water quality and water use. Our services include: Water Management Plans Design of dispersed water management plans and coordination with stakeholders Development of water management plans for land management agencies Permitting of storage, land application disposal, discharge, treatment and underground injection options Water quality data management and permit required reporting Extensive mapping support using ArcView and AutoCAD Municipal storm water and construction storm water permit compliance Water Balance Evaluations Hydraulics Water Discharge Siting Evaluation Muskeg Drainage Pipeline design Stream Diversions Hydrogeologic Modeling Geochemical Attenuation Modeling Solute Transport Modeling Chemical Transport Modeling Regional Modeling of Groundwater Impacts from Mining or Energy Development operations Dewatering Models for Proposed and Existing Mining Operations Modeling of Mine Inflows and Impacts Tributary and non tributary water modeling for impacts to existing water rights	Case Study Mine Water Management & Stability Control Situation: Norwest consulted with a mining company that had been experiencing two separate instances of localized instability within a mining area. The first area was characterized as a creep type dump failure caused by placing waste material on what proved to be a weak foundation layer. The second area was characterized as a block type wall failure, which occurred along a weak “aqua putty” layer within the coal seam. Norwest quickly engineered a creative modification to the mine plan to allow for continued mining within the pit. Solution: Norwest developed long-term remediation plans to mitigate the pit wall instability, which included detailed mining and water management plans and permit application submittals. Result: Norwest developed the detailed permitting and construction plans within a compressed schedule. Approvals were quickly obtained from State and Federal agencies so that implementation of the plan began on time with the exception of the mining and buttress construction which took a little longer than expected. Nevertheless, the interim water management functioned effectively to keep operations going smoothly despite near record rainfalls. Norwest’s efforts were pivotal in maintaining safe mining conditions and meeting coal extraction schedules.
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