N-3NSPI (CA) RIR-1 to 18 - Redacted
12 passages
REDACTED Environmental - $1 $1 maintenance flow assessment Wetland delineation and $5 $4 -$1 functional assessment OTHER GOODS AND SERVICES Contingency for Offsetting (Wet River Project) - $500 $500 TOTAL: $24 $4,472 $4,448 2 (d) Please re...
AI summary The text includes a table with environmental maintenance costs and another table outlining approval requirements and timelines for various organizations. The first table shows costs related to environmental assessments and wetland delineation. The second table lists approval processes and timelines for the NSECC, DFO, and TC.
Nova Scotia Power Inc. Project #17-6170 FUNCTION DEFINITION POTENTIAL BENEFITS Water Quality Maintenance Functions Water Cooling The effectiveness for maintaining or reducing temperature of downslope waters. Support coldwater fish and othe...
AI summary The document outlines various ecological and water quality maintenance functions associated with wetland ecosystems, including water cooling, sediment retention, phosphorus and nitrate removal, and habitat support for diverse species such as fish, invertebrates, amphibians, reptiles, waterbirds, songbirds, raptors, mammals, and native plants. These functions contribute to maintaining water quality and regional biodiversity.
WETLAND 2 Aberrant Timing of Water Inputs If any items were checked above, then for each row of the table below, assign points. However, if you believe the checked items did not cumulatively expose the AA to significantly higher levels of...
AI summary The text discusses the assessment of aberrant timing of water inputs and their potential impact on aquatic ecosystems. It includes criteria for evaluating the severity, frequency, and proximity of contaminant sources, such as industrial effluent and managed landfills, and provides a scoring system for assessing environmental impact.
CI 50518 CA IR-5 Attachment 7 Page 62 of 103 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Function Definition Potential Benefit Native Plant Habitat (PH) The capacity to support a diversity of native vascular and non-vascular species and fu...
AI summary The document defines and outlines the potential benefits of three wetland functions: Native Plant Habitat, Pollinator Habitat, and Public Use & Recognition. These functions emphasize biodiversity support, ecological balance, and social and commercial benefits from recreation and protected area status.
CI 50518 CA IR-5 Attachment 11 Page 4 of 34 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Sheet Harbour Hydro System Ruth Falls Dam Sluice Gate Installation Project and Environmental Description system, e.g. as referenced in the submission,...
AI summary The document discusses the Sheet Harbour Hydro System Ruth Falls Dam Sluice Gate Installation Project and related environmental considerations. NS Power has provided updates on construction schedules, wetland monitoring plans, and mitigation strategies for debris and rock fill. The submission also includes information on fish ladder performance and discharge ranges during drawdown.
CI 50518 CA IR-5 Attachment 19 Page 8 of 423 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Sheet Harbour Hydro System Ruth Falls Dam Refurbishment Project and Environmental Description The Ruth Falls Headpond was sampled by NS Power in 2017...
AI summary The Ruth Falls Dam refurbishment project involves environmental considerations, including fish species sampling, mercury contamination, wetland identification, and protection of Barn Swallow nests. Environmental assessments have been conducted to ensure compliance with conservation regulations and to mitigate potential impacts on local ecosystems.
CI 50518 CA IR-5 Attachment 19 Page 22 of 423 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Sheet Harbour Hydro System Ruth Falls Dam Refurbishment Project and Environmental Description conceptual design for proposed improvements were provid...
AI summary The document discusses proposed improvements to the Ruth Falls Dam's louvre system, including repairs, installation of a trap funnel, a ramp to assist fish migration, and realignment of the bypass outfall. These changes aim to enhance downstream passage and fish movement, with details referenced in appendices.
CI 50518 CA IR-5 Attachment 19 Page 94 of 423 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 3 # Indicators Condition Choices Data Definitions/Explanations 131 1- 2 km. 0 132 >2 km, or wetland lacks an inlet and outlet. 1 133 OF27 Growing Deg...
AI summary The text provides a table with indicators and condition choices related to environmental and ecological factors, including fish access, habitat, and growing degree days. It includes references to data sources and websites for further information.
Scores will appear below after data are entered in worksheets OF, F, and S. See Manual for definitions and descriptions of how scores were computed. Wetland Functions or Other Attributes: Function Score (Normalised) Function Rating Benefit...
AI summary The document presents a scoring system for evaluating wetland functions and benefits, with normalized and raw scores for various attributes such as water storage, sediment retention, and habitat support. The scores are used to assess the ecological value and risk of wetlands, and the final evaluation indicates that the Habitat Rule is not satisfied.
CI 50518 CA IR-5 Attachment 21 Page 23 of 465 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Sheet Harbour Hydro System Ruth Falls Dam Refurbishment Project and Environmental Description cfs), will be maintained as the minimum ecological flow...
AI summary The document discusses the environmental considerations and flow management measures for the Ruth Falls Dam Refurbishment Project, including maintaining minimum ecological flow, modifications to fish ladder systems, and supplemental flow provisions to ensure optimal fish passage and ecological conditions.
CI 50518 CA IR-5 Attachment 21 Page 134 of 465 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2 71 None of the above (the closest patches or corridors that large are >1 km away). 1 1 OF14 Distance to Large The distance from the AA center to t...
AI summary The text provides a table with various environmental and ecological metrics, including distance to large ponded water bodies, tidal proximity, and upland edge contact. These metrics are used for assessing habitat and ecological conditions, with specific instructions for determining measurements using tools like Google Earth and KMZ files.
Data Report 7716: Ruth Falls Watershed, NS Page 20 of 22 # recs CITATION 11 Benjamin, L.K. 2011. NSDNR fieldwork & consultant reports 1997, 2009-10. Nova Scotia Dept Natural Resources, 85 recs. 11 Downes, C. 1998-2000. Breeding Bird Survey...
AI summary The text provides a list of citations related to biodiversity and environmental data in the Ruth Falls Watershed, Nova Scotia. These include fieldwork reports, bird survey data, rare species records, and lichen studies conducted by various organizations and researchers.
N-6NSPI (NSUARB) RIR-1 to 13 - Redacted
12 passages
C.REPORTING AND INVESTIGATING ENVIRONMENTAL INCIDENTS The Nova Scotia Power production oil spill notification procedure and power production chemical spill notification procedure will be followed.
AI summary The document outlines that Nova Scotia Power will follow its established procedures for reporting and investigating environmental incidents, specifically oil and chemical spills from production activities.
Observations for the entire plot are made from an 'offshore station', either from a boat or while standing in the water (not exceeding the maximum wading depth of 0.75 m), to ensure consistency between boat‐ and foot‐based versions. The di...
AI summary The document outlines a method for observing and characterizing riparian and littoral zones from an offshore station, ensuring consistency in data collection. Vegetation in each zone will be identified and documented, with rare and protected species noted. The drawdown is not expected to significantly harm the shoreline based on previous observations and the project's transient nature.
Fish Swimming Performance Background Loss of habitat connectivity due to built structures is among the greatest threats to freshwater fish populations. Re-establishing river connectivity through fishways can be an effective and costefficie...
AI summary The document discusses the challenges of fish migration due to built structures and the importance of understanding fish swimming performance and behavior to design effective fishways. Factors such as flow patterns, fishway entrance location, and hydraulic conditions are critical in ensuring successful passage without added risks or energy expenditure.
CI 50518 NSUARB IR-12 Attachment 10 Page 365 of 591 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 3 # Indicators Condition Choices Data Definitions/Explanations 132 >2 km, or wetland lacks an inlet and outlet. 1 OF27 Growing Degree Days In G...
AI summary The text provides a table with indicators and condition choices related to environmental assessments, including wetland sensitivity and habitat considerations. It references tools such as Google Earth and KMZ files for analyzing growing degree days and fish access or use, and includes links to resources for assessing fish habitats and species at risk.
Scores will appear below after data are entered in worksheets OF, F, and S. See Manual for definitions and descriptions of how scores were computed. Wetland Functions or Other Attributes: Function Score (Normalised) Function Rating Benefit...
AI summary The document presents scores and ratings for various wetland functions and benefits, including water storage, sediment retention, nutrient removal, and habitat support. These scores are used to evaluate the ecological value and risk of wetlands in Nova Scotia, with some functions receiving higher scores and others lower. The final assessment indicates that the habitat rule was not satisfied.
CI 50518 NSUARB IR-12 Attachment 10 Page 465 of 591 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 3 # Indicators Condition Choices Data Definitions/Explanations Percentage that is wooded or unmanaged herbaceous vegetation (NOT lawn, row crop...
AI summary The document outlines indicators and condition choices for land cover and proximity to population centers, focusing on habitat and ecological factors. It includes thresholds for wooded or unmanaged vegetation and distances to population centers, with specific habitat types and sensitivity categories.
CI 50518 NSUARB IR-12 Attachment 10 Page 473 of 591 REDACTED (CONFIDENTIAL INFORMATION REMOVED) A B C D E 201 Little or none. 0 [AM, FA, FR, INV] 202 Intermediate. 0 203 Extensive. 0 F40 Isolated Island The AA contains (or is part of) an i...
AI summary The document contains a table with environmental assessment criteria, including habitat types and ecological factors, such as isolated islands, floating algae, and duckweed, and their impact on various ecological indicators.
Data Report 7716: Ruth Falls Watershed, NS Page 20 of 22 # recs CITATION 12 White, S. 2018. Notable species sightings, 2016-2017. East Coast Aquatics. 11 Benjamin, L.K. 2011. NSDNR fieldwork & consultant reports 1997, 2009-10. Nova Scotia...
AI summary The document lists various records and citations related to biodiversity and environmental data in the Ruth Falls Watershed, Nova Scotia. These include sightings of notable species, fieldwork reports, and surveys conducted by multiple organizations and researchers.
CI 50518 NSUIARB IR-12 Attachment 12 Page 38 of 576 REDACTED (CONFIDENTIAL INFORMATION REMOVED) temporary access roads sit within the drawdown area. On the upstream side, access roads will be placed after the headpond has been drawn down a...
AI summary The document discusses the impact of temporary access roads on salmon migration in the East River of Sheet Harbour. Due to restrictions on water management during construction, supplemental flows that aid salmon migration will not be released. However, given the historically low salmon numbers, it is unlikely to cause serious harm. NS Power plans to seek a variance to the Sheet Harbour Water Approval.
Fish Swimming Performance Background Loss of habitat connectivity due to built structures is among the greatest threats to freshwater fish populations. Re-establishing river connectivity through fishways can be an effective and costefficie...
AI summary The document discusses the challenges of fish migration due to built structures and the importance of understanding fish swimming performance and behavior to design effective fishways. Factors such as flow patterns, fishway entrance location, and hydraulic conditions are critical in ensuring successful passage without added risks or energy expenditure.
CI 50518 NSUIARB IR-12 Attachment 12 Page 392 of 576 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2 STR= Stressors. Coarse: includes sand, loamy sand, gravel, cobble, soils that do not make a ribbon when moistened, rolled, squeezed, and ext...
AI summary The text outlines stressor categories and habitat requirements for shorebirds and herbaceous vegetation in wetlands, including specific measurements and thresholds for areas of concern. It includes criteria for assessing mudflat and wetland vegetation coverage.
Data Report 7716: Ruth Falls Watershed, NS Page 19 of 22 # recs CITATION 55 Munro, Marian K. Nova Scotia Provincial Museum of Natural History Herbarium Database. Nova Scotia Provincial Museum of Natural History, Halifax, Nova Scotia. 2013....
AI summary This document presents a list of citations from various sources, including databases and research projects, related to biodiversity and environmental data in the Ruth Falls Watershed, Nova Scotia. These sources include herbarium records, bird studies, and species at risk observations.