This project involves the structural modification and reconstruction of a Concrete Masonry Unit (CMU) retaining wall system for a residential property. The primary objective is to reduce the encroachment of the existing retaining wall within the public Right-of-Way (ROW) to ensure compliance with City of San Diego standards. The scope includes the demolition of non-compliant sections and the installation of new structural elements designed to manage soil pressure and site topography effectively.

The engineering design utilizes City of San Diego Standard Drawings for masonry retaining walls, specifically incorporating Type C wall specifications. The structural plan features both level and sloping backfill configurations, with detailed reinforcement requirements including vertical and horizontal rebars, solid-grouted masonry units, and specialized footing designs to ensure long-term lateral stability.

Technical specifications for the project adhere to the “Greenbook” and “Whitebook” 2018 editions for public works construction. Key structural considerations include precise excavation methods, such as 3-inch diameter boring for conduit to avoid tree root zones, and the implementation of robust erosion control programs to protect the site and surrounding infrastructure during the construction phase.