ANALISA PERBANDINGAN PENGGUNAAN METODE BEKISTING SEMI SISTEM DENGAN PERI DARI SEGI WAKTU DAN BIAYA PADA PROYEK GEDUNG PAVILIUN RSSA “(Studi Kasus: Pembangunan Gedung Pelayanan Paviliun RSSA, Kota Malang, Jawa Timur)”

Formwork work is a crucial stage in building construction, requiring careful analysis in terms of time and cost. This thesis focuses on comparing the use of two formwork methods, namely the semi-system formwork method and the PERI formwork method, in the construction project of the RSSA Pavilion Service Building in Malang City, East Java. This study aims to evaluate the efficiency of both methods in terms of execution duration and costs incurred. Cost analysis results show that the total cost of implementing the semi-system formwork structure work is Rp3,160,362,170.74, while the cost for the PERI formwork system method is Rp4,623,069,176.40. In this case, the PERI formwork system is 31.64% more expensive than the semi-system formwork method. Duration analysis results indicate that the total time for each formwork method is 99 days for the PERI formwork system method and 198 days for the semi-system method. Thus, the PERI formwork system method is 99 days faster than the semi-system formwork method. Based on the analysis results of the comparison of the two formwork methods in terms of cost and time, it is concluded that the effective formwork method to be used in the project depends on the project's priorities. If time is prioritized, the PERI formwork system method is more appropriate due to its shorter execution duration. However, if cost is prioritized, the semi-system formwork method is more suitable because it is cheaper than the PERI formwork system.