Energy Delivery Engineering L7005 Vibration Mitigation NSPI Technical Memo Revision: 1 Date Issued: 4-Sep-24 REDACTED CI C0044172 Attachment 1 Page 2 of 247 Rev1. Sep. 2024 Page 2 of 27
AI summary The document is a technical memo from Nova Scotia Power Incorporated regarding vibration mitigation, issued by the Nova Scotia Energy Board. It includes a revision history and page numbers, but the content is redacted.
BACK SPAN CONCERNS This discussion has focused only on the main span. Vibration of conductors such as experienced on this crossing is not limited to a single span. The motions are fed through the suspension clamps to the adjacent span that...
AI summary The discussion highlights concerns regarding the vibration of conductors on the new Canso Strait 230 kV crossing, emphasizing the need to inspect back spans and adjacent structures for damage. It also critiques Salvi's new damping scheme for being insufficient in frequency range and suggests using airflow spoilers from the old crossing for better protection.
REDACTED CI C0044172 Attachment 1 Page 50 of 247 APPENDIX 1 DOCUMENT LIST H349324-RV-00007- CA01PDFCover.pdf 2016-05-04 Conductor Testing - Hatch Observations - Issued for Client Review Hatch Request for client approval to proceed. Steel w...
AI summary The document includes several appendices with test results and observations related to conductor testing and material analysis. It outlines findings from Hatch, indicating that steel wires exceed design diameters while aluminum alloy wires fall below specifications. The documents also include chemical position analysis and production test results, all marked as compliant by Hatch.