(A) Retaining walls constructed in connection with grading plans shall be constructed of reinforced concrete, reinforced masonry block, reinforced concrete block, and geo-synthetic fabric or a combination of the aforementioned materials, and shall be approved by the City Engineer/Public Works Director. Retaining walls constructed in connection with grading plans shall be designed to resist all earth pressures acting upon them, including embankment or structure/vehicle surcharge loads. Retaining walls constructed in connection with grading plans shall be designed by a registered civil or structural engineer and submitted to the Engineering Department for review and approval prior to installation. All retaining walls shall be shown on the grading plans, and appropriate structural calculations shall be reviewed and approved by the City Engineer/Public Works Director. Sufficient top of wall and top of footing elevations shall be shown on the grading plans to determine the overall height of the retaining wall at various locations. The City Engineer/Public Works Director may require the preparation of retaining wall profiles as part of the grading plans showing top of wall and top of footing elevations, height of retaining wall at various locations, and existing ground grades. If designed by a structural engineer, the grading plans shall show the information of the structural engineer and shall bear the signature and professional license of the structural engineer.
(B) Retaining walls not constructed in connection with grading plans shall be designed by a registered civil engineer or structural engineer and shall be submitted to the Building Department with appropriate structural calculations for review and approval.
(Ord. 2022-364, passed 11-16-2022)