PELAKSANAAN PENUTUPAN VOID AREA TANGGA AKIBAT PERUBAHAN FUNGSI MENJADI PELAT LANTAI PADA PROYEK REHABILITASI TOTAL SDN DUKUH 05

Abstract

This study examines the implementation of design changes in the Total Rehabilitation Project of SDN 05 Dukuh Pagi, particularly the closure of staircase type 2 void area which was converted into a floor slab. The design change occurred because the staircase to the rooftop was eliminated at the project owner's request, necessitating the closure of a 36.48 m² void area at elevation +16.270 using reinforced concrete slabs. This research aims to analyze the technical processes and managerial implications of these design changes. The research method employed is a case study with a descriptive approach through field observations, project document analysis, and interviews with relevant parties. The results indicate that the implementation of void closure requires intensive coordination through a Request for Information (RFI) mechanism involving contractors, supervising consultants, project owners, and planners. From a technical perspective, recalculation of beam and floor slab structural elements is required, with consequences of additional concrete volume, reinforcement, and formwork in accordance with SNI 2847:2019. The resulting impacts include an increase in material costs of approximately three percent and a delay in finishing work of more than one percent at week 46. These findings emphasize the importance of systematic design change management to avoid disrupting project quality, cost, and time, while providing practical contributions for the application of standards-based construction management in school rehabilitation projects.