A well-designed retaining wall plays a crucial role in managing soil stability, preventing erosion, and enhancing the overall functionality of outdoor spaces. Whether used for residential landscaping, commercial developments, or large-scale infrastructure projects, these structures provide essential support to sloped terrains while improving drainage and land usability. Effective planning and engineering are required to construct a durable and structurally sound retaining wall that withstands environmental pressures and time. Retaining wall engineering in Brisbane involves precise calculation