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electrical, grid connection and non-EPC costs. The cost components are described in the
table 14.
Table 20. Investment Costs Components
System Components Price (USD)
A. EPC Costs
Bio-digester System
1 Preparation works 22,417
2 Civil & earth works
404,733
3 Engineering 137,953
Sub Total 565,103
Mechanical
Equipment
1 Biogas reactor material & installation 153,133
2 Mechanical equipment for POME processing 39,661
3 Mechanical equipment for gas handling 128,551
4 Utilities 44,345
Sub Total 365,689
Electrical &
Instrumentation
System
1 Transformer & MW switchgear 20 kV 46,673
2 MCC, local control station, distribution panel 41,593
3 Cable, wire, grounding 23,310
4 Lightning protection 5,284
5 Lighting & others 6,752
6 Instrumentation 138,690
Sub Total 262,301
Piping 147,077
Gas Engines - 2 x 0.6 MWe
- Accessories, installation and transportation
825,550
Other Costs Project support and management 187,390
Commissioning 250,120
Liquidity damage insurance 13,181
Grid connection 1 km 32,885
VAT 10% 264,929
Contingency 5% 145,711
Sub Total of other costs 894,215
TOTAL EPC COSTS 3,059,934
B. Non-EPC Costs
Other Costs 1 Project Development (license and permit) 38,462
70
2 Bank guarantee to MEMR (5%) 153,380
3 Land acquisition 115,385
4 Financing cost (2%) 30,599
5 Interest During Construction 91,798
6 Initial Working Capital 56,677
Sub Total 486,301
TOTAL INVESTMENT COSTS 3,546,235
The investment cost consists of bio-digester system which covers access clearing,
mobilization of equipment and some civil works such as road and access; biogas
management system which consists of the lagoon works including soil movements, soil
compacting, piping and lagoon cover; electrical and instrumentation system which consists
of installing instruments (please describe) and electrical wirings and equipment; and the
rest is for installation, logistics and project management. The cost is already taken as of
Muaro Jambi, Jambi.
As the project is assumed to have loan ratio of 50, we have added additional financing
costs as much as 2% from the loan portion or USD 30,599 and IDC of 91,798. We have also
set the working capital proportionately calculated based on the operating costs for 3
months, which amounted to USD 56,677. A total of USD 486,301 of other costs is then
added to the investment costs.
10.2.2 Breakdown of O&M costs
Operation and maintenance of a biogas digester is considered not complicated neither
need too many workforces. 6 operators are needed to operate and maintain the biogas
project, 2 operators working for each shift, 2 shifts per day. In addition maintenance for
delicate equipment such as the scrubbers, filters, blowers, electrical system and co-firing
system (flare) will be done by the technology provider during the first three years. The
maintenance of gas engines is assumed to be done by the gas engines provider as part of
after sales service. Table 21 shows the breakdown of annual operation and maintenance
costs.
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