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Document No: XXX-XX-XXXX-XXXX Project Cost Estimate Input Checklist and Maturity Matrix Hydropower Required fields: Estimate Classification Project Name: C0064966 Tusket Tidal Pool Fish Passage Started or Preliminary Class 5 Class 4 Class...
AI summary The document presents a project cost estimate input checklist and maturity matrix for the C0064966 Tusket Tidal Pool Fish Passage hydropower project. It outlines the maturity levels of various project definition deliverables, including scope, capacity, location, technology selection, strategy, and planning.
Technical Deliverables: - Not Required (NR): Deliverable may not be required for all estimates of the specified class, but specific project estimates may require at least preliminary development. - Started (S): Work on the deliverable has...
AI summary The document outlines technical deliverables for hydropower projects, categorizing them into stages (Not Required, Started, Preliminary, Complete). It details key components of hydropower facilities, including reservoir preparation, principal structures, environmental mitigation, and owner costs. The text emphasizes the importance of user requirements and environmental data in defining project scope.
Tusket Tidal Pond – Concept Design Report Project No. 260233 Nova Scotia Power Inc. 1223 Lower Water Street, Halifax NS B3J 3S8 Wood Canada Limited 133 Crosbie Road P.O. Box 9600 St. John's, NL A1A 3C1 Canada T: (902) 724-1900 F: 709-739-5...
AI summary Nova Scotia Power Inc. submits the Tusket Tidal Pond Concept Design Report, outlining a proposed tidal energy project. The report is sent to Browren Allard by Ellis O'Neil, with an invitation for further discussion.
Tusket Tidal Pond - Concept Design Report Prepared for: Nova Scotia Power Inc.
AI summary The document is a concept design report for the Tusket Tidal Pond project, prepared for Nova Scotia Power Inc. It outlines the initial design and planning considerations for the tidal energy project.
1.1 Description of the System The Tusket Hydro System is located in Yarmouth County, Nova Scotia and is owned and operated by NSPI. This hydro system has been in continuous operation since 1929 and consists of one (1) hydroelectric generat...
AI summary The Tusket Hydro System, owned by NSPI since 1929, consists of three generating units (2.7 MW total capacity) and four reservoirs in Yarmouth County, Nova Scotia. It diverts water from Lake Vaughan through a power canal to the Tusket powerhouse, with a drainage area of 1462 km². Figures 1-1 and 1-2 illustrate its location and site plan.
fish mortalities at the Tusket Powerhouse before the Spring 2024 upstream gaspereau migration. Figure 1-1: Location of Tusket Hydro System Figure 1-2: Site Plan Showing the Location of Tusket Powerhouse in Relation to the Tusket Main Dam....
AI summary The text discusses fish mortalities at the Tusket Powerhouse prior to the Spring 2024 upstream gaspereau migration, accompanied by figures illustrating the project's location, site plan, and LiDAR contours. Project details and drawing revisions are included.
CI C0064966 Attachment 1 Page 16 of 64 Tusket Tidal Pond – Concept Design Report Nova Scotia Power Inc. As previously noted, and shown in Figures 1-6 and 1-7, when the tidally influenced river water level drops below the +3 ft elevation, t...
AI summary This document provides a conceptual design report for the Tusket Tidal Pond project by Nova Scotia Power Inc. It describes the tidal pool's water level dynamics, including low and high water levels, and the elevation of outlets that influence the pond's depth. It also outlines the wetland areas and the thalweg of the outlet channels.
2.1 General The concept design options were grouped into two categories as follows: - Options that prevent fish from entering the tidal pond area; and, - Options that allow the fish to enter the tidal pond and leave when the tide recedes....
AI summary The document outlines two concept design categories for managing fish movement in tidal pond areas: preventing fish entry and allowing entry during tide recession. Modifications to hydro system operations to prevent fish stranding were reviewed but found ineffective due to tidal influences. Further details are provided in Section 3.
3.3.1 Description The plan and details of Option A-2 are shown on Drawing SK-003. As in Option A-1, this option consists of blocking off all the tidally influenced inflow / out flow sites along the berm on the right side of the tailrace ch...
AI summary Option A-2 involves blocking tidal inflow/outflow sites on a dam's berm, except for a downstream outlet, to maintain fish passage and water levels. A 6 cfs flow is sustained via pump or conduit, resizing the outlet to ensure adequate depth for fish movement during low tides. Swamp mats are proposed for construction access.
3.6.1 Description The plan and details of Option A-5 are shown on Drawing SK-006. This option consists of blocking off all the tidally influenced inflow / out flow sites along the berm on the right side of the tailrace channel, except for...
AI summary Option A-5 involves modifying the tailrace channel's berm to control tidal flow, ensuring fish migration through a fishway. Key features include blocking most tidal inflow/outflow sites, maintaining 6 cfs flow via a pump/siphon/conduit, resizing outlets for fish movement, and using swamp mats for construction access. The design aims to maintain wetland function and adequate water depth for fish during low tides.
3.8 Option P-1: Block All Inflow to Tidal Pond to Unusual High-Water Levels, and Place Hung Culvert with an Aboiteau Gate on Downstream End and Raise the Berm
AI summary Option P-1 proposes blocking inflow to a tidal pond to manage high water levels, installing a hung culvert with an aboiteau gate downstream, and raising the berm. This engineering solution is part of a regulatory proceeding evaluating measures to address tidal pond management and infrastructure adjustments.
Table 4-1: Pros, Cons and Potential Risks – Concept Design Options Description Pros Cons Potential Risks Option A-1: Block All Inflow to Tidal Pond to Typical High-Water Level, Except Channel at Most Downstream End Fish access and risk of...
AI summary Table 4-1 outlines the pros, cons, and potential risks of Option A-1, which involves blocking all inflow to a tidal pond except for a single outlet at the downstream end. The option is considered for its potential to reduce fish kill risk and ease fish migration, but concerns remain about water depth, predation, and tidal construction challenges.
Description Pros Cons Potential Risks Option A-4: Block All Inflow to Tidal Pond to Unusual High Water Levels, Except Channel at Most Downstream End, Provide Additional Entrance to Existing Fishway to Provide 6 cfs Inflow (Same as Option A...
AI summary The document discusses Option A-4, which involves blocking all inflow to a tidal pond except for a channel at the most downstream end and providing additional entrance to an existing fishway to allow 6 cfs inflow. This option aims to improve fish passage and reduce the risk of fish kill, but it also carries potential risks such as increased predation and changes in water levels.