INVENTORY CONTROL OF CHEMICAL USING JIT (JUST IN TIME) STRATEGY (CASE STUDY: PT 3P REFINERY UNIT DUMAI)
PT 3P as state oil and gas mining company which is in charge of managing businesses in the energy sector. By one of subsidiaries, PT 3P Refinery Unit Dumai have produced various products of fuel oil and non-fuel oil from and have been distributed to various parts of the country and abroad. The ope...
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| Format: | Theses |
| Language: | Indonesia |
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| Online Access: | https://digilib.itb.ac.id/gdl/view/64185 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | PT 3P as state oil and gas mining company which is in charge of managing businesses in the energy
sector. By one of subsidiaries, PT 3P Refinery Unit Dumai have produced various products of fuel oil and
non-fuel oil from and have been distributed to various parts of the country and abroad. The operation
process of the PT 3P Refinery Unit Dumai requires chemicals in the operation process. There are 3 types
of active chemical stock with fast moving category: Sodium Hydroxide (NaOH), Hydrochloric Acid (HCl),
and Calcium Hypochlorite (Ca(ClO)
2
).
PT 3P Refinery Unit Dumai through Procurement Department which is responsible for availability
of the chemicals faces issues in related to: (1) current inventory control strategy (EOQ) is not being
followed consistently, (2) low delivery flexibility, and (3) unplanned inventory replenish action. This has
an impact on the condition of cost reduction and service level.
The alternative solution for inventory replenishment strategies used in this study are proper
Economic Order Quantity (EOQ), Just In Time (JIT), and Vendor – Managed Inventory (VMI). Based on
total cost calculation, JIT strategy is the best alternative. JIT method has a lower cost than using proper
EOQ and VMI method. If the PT 3P Refinery Unit Dumai can implement JIT method, the potential cost
saving of JIT strategy obtained company is Rp 9.814.660.114,- or approximately 31,98 % of the total cost
of existing inventory control strategy. The result is conceptual of improvements have been developed
related to JIT model about process, replenishment policy, warehousing, supplier relationship and
information system.
Based on identification, there are also potential risks that coming along with using new strategy.
By generating risks rating and action plan, PT PT 3P Refinery Unit Dumai have been ready to mitigate the
risks.
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