Nugroho, Tito Dwi (2025) ANALISIS STUDI KELAYAKAN PRODUKSI SEMEN OPC DI PT. SOLUSI BANGUN INDONESIA (SBI). Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The strategic decision between self-production (make) or purchase (buy) of Ordinary Portland Cement (OPC) is a crucial factor for PT. S in maintaining supply continuity and distribution efficiency. This study analyzes the feasibility of self-production versus external purchase by reviewing aspects of demand forecasting, production capacity, distribution, and financial feasibility. Discrete-Event Simulation (DIS) is used to model the distribution process from factory filling to ship loading, while Net Present Value (NPV) analysis is applied to evaluate the medium-term economic benefits. The results show that the two-day-before-shipment production strategy is able to meet the demand for 1,803 tons of OPC with an effective cycle time and loading duration of 9 hours. The financial analysis indicates that the self-production option provides an NPV of Rp2.16 billion, higher than the purchase option with a negative NPV of Rp3.18 billion. Therefore, the make option is considered more feasible because it improves operational efficiency, reduces dependence on external suppliers, and generates greater financial returns. Keywords: make or buy, OPC cement, discrete event simulation, distribution, NPV analysis
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TS Manufactures > TS 155-194 Production Management, Operations Management | ||||||||
| Divisions: | Faculty of Engineering > Departement of Industrial Engineering | ||||||||
| Depositing User: | Tito dwi Nugroho | ||||||||
| Date Deposited: | 15 Sep 2025 08:43 | ||||||||
| Last Modified: | 15 Sep 2025 08:43 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/43591 |
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