Why do this project? This project is required to maintain the long term reliability of the boiler and mitigate the risk of unplanned outages due to L TSH, HTSH and division wall tube leaks.
AI summary This project is necessary to ensure the long-term reliability of the boiler and reduce the risk of unplanned outages caused by leaks in L TSH, HTSH, and division wall tubes.
Reason for Variance / Over Expenditure / Final Costing 14954263 The original project scope in 2010 ACE was based primarily on replacement and repairs of L TSH and HTSH tubing. Boiler inspection results from late 2009 indicated that tube re...
AI summary The original 2010 ACE project scope involved replacing and repairing L TSH and HTSH tubing. However, boiler inspections and tube failures, including a leak in January 2010, necessitated additional work to address increased ash erosion and reduce the risk of future leaks and unplanned outages, leading to a $640,000 variance.
1 Response IR-3: (cont'd) 2 - 3 The scope of work included in the ATO for CI 38943 is a result of unplanned work that includes - 4 the division wall scope and significant preventive measures such as shielding and padding in - 5 response to...
AI summary The response to IR-3 discusses unplanned work resulting from higher ash fuel consumption and unexpected wear due to aggressive ash loading, including preventive measures like shielding and padding.
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