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Forest Canopy Survey Using Photogrammetry Techniques

Caterham School Photogrammetry of Forest Trees - Surveying for Chalara Fraxinea – Ash Dieback Last year, we were asked by Caterham School to survey and map their school forest known as Old Parks Wood. Ash trees within the wood were suffering from Chalara Fraxinea (Ash Dieback) a disease which has the potential to kill off 80% of the ash trees in the 45-acre wood and once dead, would quickly become dangerous to wildlife and other users of the woods, including the school pupils. The mission was to map the forest canopy by drone using photogrammetry survey techniques so that the school could get a full understanding of the degree of diseased trees that were present, and then subsequently put in place a management plan in conjunction with the Forestry Commission, Natural England and the local council. Project Background In 2014 the school had bought approximately 140 acres of Old Park Wood – partly to protect it from the threat of development but also to secure its long-term future as a bi...
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Hidden Issues with Thermal Imaging During Building Surveys

Beyond the Surface: Discovering Hidden Issues with Thermal Imaging during Building Surveys Building surveys have evolved significantly, thanks to advancements in thermal imaging technology and the transformative impact of thermal imaging during building surveys, uncovering concealed issues that traditional methods might overlook. The Power of Thermal Imaging Thermal imaging enables a deeper understanding of a building’s thermal performance. By capturing infrared radiation, these cameras reveal temperature variations that are invisible to the naked eye. This non-destructive technique is particularly valuable for identifying hidden issues affecting a building’s efficiency and structural integrity. Harnessing thermal imaging technology during surveys provides a comprehensive overview of a building’s insulation, HVAC systems, and potential air leaks. This proactive approach goes beyond the surface, allowing for precise problem detection before they escalate. Unearthing Insulation Deficie...
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