TALTSON TWIN GORGES GENERATING STATION Renewal of Water License N1L4-0154 Application No: MV2011L4-0002 Presented by: Geraldine Byrne, Business and Energy Development NORTHWEST TERRITORIES POWER CORPORATION Public Hearing – Lutsel K’e and Fort Resolution – September 20 & 21, 2011
OUTLINE 1. Twin Gorges Site Overview 2. History 3. Water License Renewal 4. Public Consultation 5. Proposed Water Effects Monitoring Program 6. Conclusion
TWIN GORGES SITE OVERVIEW (CONT.) Nonacho Lake Reservoir Twin Gorges Forebay Reservoir Twin Gorges Generating Station Trudel Creek
HISTORY 1965 � Twin Gorges Generating Station installed � Provide hydroelectric power to Pine Point Mine 1986 � Closure of Pine Point Mine � Hydroelectric power provided to Hay River, Fort Smith and Fort Resolution � Flow in the Taltson River greatly exceeds power production requirements, therefore little to no flow regulation at Nonacho Lake 1996 � Water License renewed for a 15-year period � Water Effects Monitoring Program implemented 2011 � Request a 25 year extension of Water License � Proposed updated Water Effects Monitoring Program
WATER LICENCE RENEWAL � No proposed changes to the existing permitted range of flow regime � No new impacts anticipated to the environment NONACHO LAKE RESERVOIR � 14 m 3 /s discharge below Spillway Channel control structure � Water levels maintained between 319.3 m and Nonacho Dam 321.9 m Control Structure
WATER LICENSE RENEWAL (CONT.) � Operating parameters remain unchanged since the 1996 Water License � No proposed changes to the existing permitted range of flow regime � No new impacts anticipated to the environment TWIN GORGES RESERVOIR AND GENERATING STATION Twin Gorges Forebay Taltson River Power Generation Station Twin Gorges Camp Elsie Falls Trudel Creek � 28 m 3 /s discharge below Elsie Falls
CAPITAL ENHANCEMENTS • Significant upgrades / maintenance work since last license renewal including: – high pressure governor, various bearings, step-up transformer, programmable logic control (PLC) etc. • Fifty – Year Capital Plan including: – new surge tank, new air compressor systems, re-install tailrace stop gates, hoisting equipment etc. • (Refer to IR # 8 September 9, 2011 for Complete List)
PUBLIC CONSULTATION: Engaging South Slave Community Leaders Water License Renewal Consultation Goals � Inform communities, Aboriginal organizations and customers about the license review process � Provide an opportunity for people to ask questions and articulate their concerns � Provide clear background information about the operation and role of Taltson Hydro and its value � Provide relevant operating and aquatic information � To comply with MVLWB
PUBLIC CONSULTATION (CONT.) November 2010 � Introductory “contact letter” distributed to 16 community and Aboriginal organizations � First Nation Governments, Métis Councils and Community Governments contacted by telephone � Consultation Log December 2010 � Two-page Information Bulletin Developed • Described Taltson Hydro Facility and Water License Renewal process • Bulletin distributed by “Unaddressed Ad Mail” to all PO Box in key communities � Display maps and photographs of facility developed
PUBLIC CONSULTATION January to May 2011 � Open Houses •Publicized in the Hub and Slave River Journal Notifications distributed on Bulletin Boards � Fort Resolution – January 18, 2011 � Hay River - January 24, 2011 � Fort Smith – February 15, 2011 � Lutsel K’e – May 24, 2011 June 2011 � Public Consultation Summary Report Submitted to MVLWB
PROPOSED WATER EFFECTS MONITORING PROGRAM Riparian Habitat and Fish Usage Assessment Considerable amount of fisheries information collected in last 10 years Build upon existing database of information and expand on littoral habitat Trudel Creek Sedimentation and Erosion Monitoring Program Monitoring pins have been installed and active eroding sites within Trudel Creek have been identified Erosion rates and sedimentation zones will be identified and trends will be established. Mercury in Sediment and Fish Flesh Monitoring Program Mercury testing has been completed in 2003/2004/2010 Monitor mercury in sediment and fish in Nonacho Lake and Trudel Creek Taltson Hec-ResSim Hydrologic Modeling Update Extensive hydrological model has been developed for the Taltson River Model will be updated based on information of installed monitoring gauges
POST TECHNICAL SESSION WEMP COMMITMENTS • Develop Fish Stranding Monitoring Program • Analyze cysts / parasites in fish within Nonacho Lake • Include northern pike to the mercury in Sediment and Fish Flesh Monitoring Program • Update Trudel Creek Sedimentation and Erosion Monitoring program to include Nonacho Lake photo documentation • Update WEMP to include Adaptive Management Concepts for each program
CONCLUSION � Request 25 year extension to the existing Water License � 50 year capital plan ensures safe, efficient & long-term operation of facility � Trapper and Hunter Notification updated to ensure communication � No proposed changes to the existing permitted range of flow regime � The proposed Water Effects Monitoring Program builds on existing information � No new impacts anticipated to the environment
Robert U. W. Schmidt 17 Taylor Road, Yellowknife, NT, Canada. X0A 2K8 H (867) 669-0858 W (867) 669-3313 PROFILE Possess thirty one years experience in management, operations and maintenance of various Generating Stations. Seven years of design and construction of Generating Stations, systems, components and upgrades. Eight years as Manager of Safety & Environment. Three years as Director Hydro Region. Work well with people of all levels of the Corporation, Contractors, Consultants and the public. Excellent organizational skills, hard working, self motivated, and results oriented. WORK EXPERIENCE 2008 - Pres Director Hydro Region: NWT Power Corporation Yellowknife. Major achievements include the reorganization of the south and north slave into a single operational and business unit. The creation of a new regional management team consisting of seasoned and new managers to aid in the implementation of standards, operational efficiency, personnel development, reliability, and succession. Develop regional goals in line with corporate objectives, directives and strategies. Reorganize work groups to develop consistency and reliability. 2001-2008 Manager Corporate Health Safety & Environment:. NWT Power Corporation, Yellowknife. Major achievements include; the integration of the Safety and Environmental Departments into a single cohesive unit, completed and implemented an ISO 14001 environmental Management System, integrated and implemented an OHSAS 18001 Safety Management System based on the URM model and focused the Corporation’s Safety & Environmental objectives on manageable and obtainable short term goals to build the foundation for our long term objectives. Have consistently reduced the Corporation’s safety exposure by; reducing the lost time, modified duties, and medical aid injuries over the past six years, while maintaining a clear focus on safety. Have developed and maintained an excellent relationship with regulators in both the safety and environmental fields. 1996-2001 Mechanical Projects Technologists: NWT Power Corporation, Hay River. Designed major systems or components, supervised construction or retrofitted the following Corporation Generating Stations at Baker lake, Fort Norman, Arctic Bay, Pangnirtung, Coppermine, Arviat and Deline. Designed and constructed a modular power plant at Paulatuk. Designed a new power plant at Repulse Bay. Designed a new power house at Sanikiluaq. Designed mechanical works for two Wartsila combined cycle gas engines at Inuvik. Refitted the Rankin Inlet tank farm fuel system. Designed and constructed the Inuvik Airport 25 KV power line. Installed
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