C Comparative Analysis of Cost and Time Between Multiplex Timber Formwork and Bondek Formwork for Floor Slabs

Comparison of Formwork Cost and Time

Abstract

Formwork is a temporary mold that has an important role when casting concrete so that the concrete mold results are as planned. Formwork planning certainly cannot be separated from the role of cost and time. There are various types of formwork that are commonly used in the field, but not everyone knows the price comparison between the types of formwork, while the purpose of this study was to compare costs and time between multiflek wood formwork and bondek formwork for floor slabs in Ciamis Regency. The research method used in this study is a comparative study, namely comparing the unit price of work using different materials in the same work, namely the work of floor plate formwork and roofing between using multiple flex wood materials and galvanized iron (bonded) materials for later analysis and analysis. looking for a more economical and efficient value.

Based on research conducted, the budget required for the work of making floor slab formwork using multiplexes in Al-Badriyah Mosque Renovation is Rp. 116,467,904.00 with the price for 1 m² is Rp. 371,390.00. As for the bondek formwork work, it is Rp. 96,494,197.33 with a price for 1 m² of Rp. 307,698.33. Based on the price comparison, there is a difference of Rp. 19,973,706.00, so the price of bondek formwork in Ciamis Regency is cheaper than multiplex formwork. The time needed to complete the formwork installation using multiplex is 34 working days, while the time needed to complete the formwork installation using bondek is 9 working days. Based on the comparison of time, slab formwork using bondek in Ciamis district is 25 days faster than multiplex formwork. In terms of cost, bondek formwork is about 17% more efficient than multiplex formwork. And in terms of time bondek formwork is more efficient by 74% compared to multiplex formwork.