{"query_echo":{"q":"","filters":{"analysis_type":["engineering assessment"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'engineering assessment' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":2,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=engineering+assessment","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"ucs-000986","url":"https://climateinsightsdirectory.org/document/ucs-000986","title":"Cleaning Up Hazardous Coal Ash Can Create Jobs and Improve the Environment","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"executive summary","language":"en","date_published":"2021-10","source_url":"https://www.ucs.org/sites/default/files/2021-10/repairing-the-damage-executive-summary_1.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document examines the environmental and health risks of coal ash, one of the largest industrial waste streams in the US, and advocates for 'clean closure' (full remediation and excavation) over limited cleanup plans. Using case studies from the J. M. Stuart plant in Ohio and the Sebree Generating Station in Kentucky, the authors demonstrate that comprehensive cleanup generates significantly more jobs and economic output than utility-proposed plans. The report highlights that coal ash sites disproportionately affect low-income communities and communities of color, particularly in the Ohio River Valley, and recommends stronger EPA enforcement, polluter-pays funding, and the prioritization of dislocated workers in hiring.","ai_generated":true,"unit":"ucs-000986#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Coal ash represents one of the two largest industrial waste streams in the United States, with electric utility companies generating 4.5 billion tons between 1966 and 2017 and averaging 101 million tons annually from 2015 to 2019.","ai_generated":true,"unit":"ucs-000986#insight-1","date_modified":"2026-10-23"},{"text":"Coal ash contains toxic elements—including arsenic, boron, cadmium, chromium, lead, radium, and selenium—that can cause severe health issues such as cancer, heart disease, stroke, and brain damage in children.","ai_generated":true,"unit":"ucs-000986#insight-2","date_modified":"2026-10-23"},{"text":"The Ohio River Valley is a major concentration point for coal ash waste; of the 738 national disposal sites, 161 are located in Indiana, Kentucky, Ohio, Pennsylvania, and West Virginia.","ai_generated":true,"unit":"ucs-000986#insight-3","date_modified":"2026-10-23"},{"text":"Coal ash disposal sites disproportionately impact disadvantaged populations; in the Ohio River Valley, 58 percent of the 57 plants with disposal sites are located in low-income communities, a rate higher than the national average of 52 percent.","ai_generated":true,"unit":"ucs-000986#insight-4","date_modified":"2026-10-23"},{"text":"Case studies of the J. M. Stuart plant (Ohio) and Sebree Generating Station (Kentucky) show that 'clean closure' plans create more jobs and economic output than company plans, adding over $100 million in economic output to each state's economy.","ai_generated":true,"unit":"ucs-000986#insight-5","date_modified":"2026-10-23"},{"text":"During the construction phase of the case study projects, clean closure would create 314 jobs per year in Ohio and 282 jobs per year in Kentucky, compared to 252 and 144 jobs respectively under company plans.","ai_generated":true,"unit":"ucs-000986#insight-6","date_modified":"2026-10-23"}],"climate_tags":["environmental justice","energy transition","job creation"],"geography_discussed":["Ohio","Kentucky","Indiana","Pennsylvania","West Virginia","North Carolina","South Carolina","Virginia","Illinois"],"frame_perspective":[],"analysis_type":["case study","economic analysis","engineering assessment","policy recommendation"]},{"id":"cer-000251","url":"https://climateinsightsdirectory.org/document/cer-000251","title":"5-generation-fleet-renewal-db68f755d81b0ef0.pdf","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"briefing","language":"en","date_published":null,"source_url":"https://cer.org.za/wp-content/uploads/2017/07/5-Generation-Fleet-Renewal.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"This document is a Task Order (No. 598) issued by Eskom for engineering and project management services to conduct a pre-feasibility study on a 'fleet renewal strategy' for four specific coal-fired power stations. The study aims to evaluate alternatives to the current decommissioning strategy, which is based on a 60-year technical life for coal stations.","ai_generated":true,"unit":"cer-000251#summary","date_modified":"2026-08-17"},"key_insights":[{"text":"The current decommissioning strategy for the Employer's power stations assumes a technical life of 60 years for coal-fired stations, with four stations—Komati, Hendrina, Camden, and Arnot—scheduled for decommissioning within the next 20 years.","ai_generated":true,"unit":"cer-000251#insight-1","date_modified":"2026-08-17"},{"text":"A proposed fleet renewal strategy is intended to provide several advantages, including the leverage of existing assets (such as site, infrastructure, and water), the mitigation of socio-economic impacts from decommissioning stations and mines, the provision of flexible base load for when renewables are unavailable, and the creation of additional capacity for export to neighboring countries.","ai_generated":true,"unit":"cer-000251#insight-2","date_modified":"2026-08-17"},{"text":"The transition to a fleet renewal strategy depends on a pre-feasibility study to quantify environmental compliance and renewal costs, South Africa's GDP21 commitments, and potential carbon taxes. Additionally, renegotiating coal contracts for lower prices is required to justify the necessary capital expenditure (CAPEX).","ai_generated":true,"unit":"cer-000251#insight-3","date_modified":"2026-08-17"},{"text":"The Consultant must investigate four specific scenarios for the power stations: extending the plant life using existing infrastructure, re-firing using existing structures, demolishing and rebuilding, or choosing not to renew.","ai_generated":true,"unit":"cer-000251#insight-4","date_modified":"2026-08-17"},{"text":"The study must account for emissions legislation with specific limits effective from 1 April 2015 and 1 April 2020. For example, the particulate (PM) limit changes from 100 mg/Nm³ to 50 mg/Nm³, and the Sulphur Dioxide (SO2) limit changes from 3600 mg/Nm³ to 500 mg/Nm³.","ai_generated":true,"unit":"cer-000251#insight-5","date_modified":"2026-08-17"},{"text":"The Consultant is required to implement a Supplier Development and Localisation (SD&L) program, which involves training one candidate from previously disadvantaged groups in South Africa for every R3,500,000.00 awarded through task orders.","ai_generated":true,"unit":"cer-000251#insight-6","date_modified":"2026-08-17"}],"climate_tags":["energy transition","coal-fired power stations","decommissioning","emissions legislation","carbon taxes","renewable energy integration"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["pre-feasibility study","engineering assessment","socio-economic impact analysis"]}]}