Proyek EPC Pembangkit Listrik Tenaga Panas Bumi

Project Cases

PT Rekayasa Industri membangun 60% dari seluruh pembangkit listrik panas bumi di Indonesia. Selalu terdapat hal spesifik dan unik dalam setiap Pekerjaan EPC – Pengembangan Panas Bumi di Indonesia.

Materi ini dikumpulkan dari beberapa dokumen proyek Pembangkit Listrik Tenaga Panas Bumi (Geothermal Powerl Plant) yang dikerjakan oleh PT Rekayasa Industri yaitu :

1. Proposal Stage of Lumut Balai Project
2. Project Execution of Lahendong Unit-5 & 6
3. Project Execution of Muara Laboh Project
4. Project Execution of Rantau Dedap Project

Skema EPC

[su_tabs active=”1″ vertical=”yes”][su_tab title=”Steamfield” disabled=”no” anchor=”” url=”” target=”blank” class=””]Full EPC

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[su_tab title=”Power Plant” disabled=”no” anchor=”” url=”” target=”blank” class=””]

• Power Island
  • OPSI 1 : E & P by Penyedia Teknologi (sebagai Partner atau Vendor) > Performance Guarantee
  • OPSI 2 : Full EPC sebagai Kontraktor Tunggal >Performance Guarantee

[/su_tab][su_tab title=”Utility, Electrical, & Switchyard” disabled=”no” anchor=”” url=”” target=”blank” class=””]Full EPC

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[su_tab title=”Transmission” disabled=”no” anchor=”” url=”” target=”blank” class=””]Full EPC

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Power Island Scope

1. Resources (Engineering – Manpower Load)
2. Schedule Proposal Development
3. Competitiveness (Akurasi Price)

Schedule

Critical Path, Typical Project

Durasi Proyek

Durasi proyek ditentukan oleh:

[su_tabs active=”1″ vertical=”yes”][su_tab title=”Kapasitas Pembangkit” disabled=”no” anchor=”” url=”” target=”blank” class=””] [/su_tab]
[su_tab title=”Scope” disabled=”no” anchor=”” url=”” target=”blank” class=””]Diluar normal scope (Steamfield, Power Plant, Switchyard/Transmission):
o Infrastrucure (Jembatan, Jalan, etc.)
o Wellpad

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[su_tab title=”Lokasi Proyek” disabled=”no” anchor=”” url=”” target=”blank” class=””]Remote area menambah waktu mobilisasi dan logistic, serta meningkatkan resiko sosial

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[su_tab title=”Kondisi Lahan” disabled=”no” anchor=”” url=”” target=”blank” class=””]o Lahan tidak rata (perbukitan/lereng gunung), akan menambah waktu buat cut & fill, export import tanah, soil improvement, etc.
o Tipe tanah

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[su_tab title=”Tipe Pemilik Proyek” disabled=”no” anchor=”” url=”” target=”blank” class=””]Penyesuaian kultur kerja, khususnya client asing

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KEY Milestone

[su_tabs active=”1″ vertical=”yes”][su_tab title=”Contract” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Site Handover (M-0) Wellpad (as required)
2. Geothermal Energy (Steam) Availability (M-19)
3. Backfeeding (M-21)
4. Plant Start-Up/Initial SYNCHRONIZATION (M-22,5)
5. COD / Completion (M-24)

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[su_tab title=”Others” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Mobilisasi Civil Sub-Contractor (M-6)
2. Cooling Tower (13 Months Concrete Type, 10 Months FRP Type)
3. Steel Structure (M-12 at Site)
4. Overhead Crane (M-14 at Site)
5. Condensor (M-15 at Site)
6. STG & Hotwell Pump (M-16 at Site)

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Construction Issues

Remote & Isolated Area

[su_tabs active=”1″ vertical=”yes”][su_tab title=”Condition” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Mountain Area, Steep
2. High Rainfall, Foggy, Cold/Humid
3. Conservation Area
4. Far from Sea Port & Air Port
5. Non-Industrial Community Area
6. Minimum Infrastructure

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[su_tab title=”Human Resources” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Limited Local Skilled Worker
2. High Worker Turnover
3. Medical Issues

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[su_tab title=”Low Productivity” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Limited Local Resources
2. Climatic Condition
3. Delivery Time
4. Permits

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[su_tab title=”Minimum Infrastructure” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Access Road
2. Public Facilities
3. Communication Network

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[su_tab title=”High Cost” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Working Method
2. Delivery / Transportation Method
3. Access Road Maintenance
4. Logistic & Accommodation
5. Mobilization / Demobilization Cost
6. Weather Downtime
7. Worker Compensation/Allowances
8. Social Compensation
9. Monopoly / Cartel

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[su_tab title=”Social Aspect” disabled=”no” anchor=”” url=”” target=”blank” class=””]

1. Limited Local Resources
2. Access Road Blockage
3. Land Ownership
4. Sand/Agregat Supply
5. Monopoly/Cartel

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Unforeseen Condition

1. Geotechnical : Foundation design and slope stability issues
2. Weather : Rainy season troughout the year, and strong winds
3. Access Road : Community blockage, landslide issues, and road maintenance