<![CDATA[The expansion of the Myze Waingapu Hotel from four to five stories requires a comprehensive structural evaluation due to significant changes in load distribution. This study aims to evaluate the structural capacity, verify the safety of structural elements based on the latest SNI standards, and provide technical recommendations. Structural modeling of the steel roof, floor slabs, and reinforced concrete (beams and columns) was performed using SAP2000 software. The seismic load analysis applied the response spectrum method in accordance with SNI 1726:2019, with an effective seismic weight of 30,579.903 kN. The results show that the WF-profile steel roof structure with a 32° slope meets the strength and stability requirements. The dynamic base shear in the X direction (3,096.093 kN) and Y direction (3,098.616 kN) meet the standards because their values exceed the equivalent static shear forces. The design of the reinforced concrete elements was also found to be safe in accordance with SNI 2847:2019 guidelines. In conclusion, the design of this hotel’s upper structure provides a feasible, safe, and efficient technical solution for implementation.]]>
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