Selective Demolition Onyx Engineering is a company known for providing a range of engineering services, including those related to selective demolition. If you're referring to a company by the name of Onyx Engineering that specializes in selective demolition, their services would typically involve the careful, controlled dismantling of specific parts of a structure while minimizing the impact on the overall building and ensuring the safety and efficiency of the project. In the context of selective demolition, Onyx Engineering might offer the following services: Demolition Planning: Detailed assessment and planning for which parts of a building need to be demolished, ensuring that the process minimizes disruption and meets safety regulations. Structural Assessment: Evaluating the structural integrity of the building to ensure the parts being preserved are stable during the demolition process. Hazardous Material Identification: Identifying and handling hazardous materials (like asbestos, lead, or mold) during the demolition process in compliance with environmental and safety regulations. Recycling and Salvage: They may assist with salvaging valuable materials like steel, concrete, wood, and glass, promoting sustainability and reducing waste. Cost and Time Efficiency: Onyx Engineering would focus on ensuring that the selective demolition process is completed in a cost-effective manner and within the specified timeframe.