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1
Spirit of Innovation
OVERVIEW
ESTIMATION FOR CONSTRUCTION
PROJECT
PT. WIJAYA KARYA (Persero), Tbk.
2
Spirit of Innovation
Hal-hal yang mempengaruhi
harga:
1. Scope of works
2. Project size
3. Project duration / schedule
4. Project location
5. Term of contract
6. Specification
7. Owner requirement : level SHE implementation
8. Resourches shortage  many project: skill
labour, heavy equipment
3
Spirit of Innovation
ESTIMATE ACCURACY
4
Spirit of Innovation
Elemen Perkiraan Biaya
A. DIRECT COST
1. Material & Equipment cost:
 material & equipment price from vendor,
include transport, tax vendor supervision, etc.
2. Services cost:
 Cost for design, install, erection, construction:
Consultant, Labor, heavy equipment & tools,
construction material, sub-contractor, etc.
5
Spirit of Innovation
Elemen Perkiraan Biaya
B. INDIRECT COST
 Project management team
 Head office overhead
 Cost of money & bond
 QA & SHE
 Site Facility
 Insurance
 Social cost
 Risk/Contigencies
 Final income tax (PPh)
 Profit
6
Spirit of Innovation
Unit Cost
Unit Cost calculation method :
1. Equipment : Unit
2. Material : Unit + waste
3. Services :
• BOW analysis
• Resourches analysis
• Sub contractor
• Experience
7
Spirit of Innovation
Elemen Perkiraan Biaya
A DIRECT COST
1 Site Preparation
2 Item 1
3 Item 2
4 Item 3
5 Item 4
6 Item 5
-
B INDIRECT COST
1 Indirect Cost, Construction periode Month 20
2 Indirect Cost, Warranty periode Month 12
-
C UNCOVERABLE CONSTRUCTION RISK
1 Risiko Teknis 1,00% -
2 Risiko Inflasi 2,45% -
3 Risiko LD
Risiko LD Performance 1,00% -
Risiko LD Delay 1,00% -
4 Risiko Kurs IDR/1 USD 200,00 -
-
D OTHER EXPENSE
1 CAR & Jamsostek 0,67% -
2 Engineering Cost (biaya tender) 1,60% -
3 IPK & PSL 0,16% -
4 Cost of Money 0,50% -
5 Provision Bond 0,20% -
6 QSHE Cost 0,95% -
7 Social cost 0,20% -
8 PPh Final Pasal 23 3,00% -
9 Spare for Negotiation 2,00% -
9,28% -
-
8,00% -
17,28% -
SUB-TOTAL A+B+C+D
MOS
SALES
SUB-TOTAL A
SUB-TOTAL B
SUB-TOTAL C
SUB-TOTAL D
REKAPITULASI RENCANA ANGGARAN BIAYA
PEKERJAAN : ….............., PT. ….
NO. DESCRIPTION UNIT QTY TOTAL (IDR)
1 Item 1
2 Item 2
3 Item 3
4 Item 4
5 Item 5
-
UNIT QTY TOTAL(IDR)
TOTAL
REKAPITULASIRENCANAANGGARANBIAYA
PEKERJAAN:…..............,PT.….
NO. DESCRIPTION
8
Spirit of Innovation
A Site Preparation
1 Site facility: kantor proyek, gudang, stockyard, pagar, listrik,
komunikasi….
2 Soil investigation
3 Survey
4 Mob & demob alat dan pekerja
5 Supporting general handling equiment: bus, crane, forklift, trailer, …
6 Supporting general labor: Mechanic, electrician, rigging team…
B INDIRECT COST
1 Indirect Cost, Construction periode
Biaya terkait dg task force management proyek yg meliputi biaya
pesonalia, akomodasi, transportasi, dll, selama masa persiapan s/d
BAST-1
2 Indirect Cost, Warranty periode
Biaya terkait dg proses pemeliharaan proyek bilamana ada yg perlu
diperbaiki, disempurnakan, dll, selama masa pemeliharaan
C UNCOVERABLE CONSTRUCTION RISK
cadangan biaya sbg cadangan apabila ada resiko yg terjadi yg diluar
kendali. Nilainya dari berasal analisa resiko dimana ada daftar resiko,
mitigasi resiko dan cadangan biaya.
1 Risiko Teknis
2 Risiko Inflasi
3 Risiko LD
Risiko LD Performance
Risiko LD Delay
4 Risiko Kurs
9
Spirit of Innovation
D OTHER EXPENSE
1 CAR & Jamsostek
meliputi CAR/EAR, ketenagakerjaan, cargo
2 Engineering Cost (biaya tender)
1 biaya proses aktifitas Engineering: basic desain, detail desain,
Licensor/Technologi provider, HAZOP/HAZID, ata sheet, MTO,
drawing, BOQ, soil investigation, survey, …
2 biaya tender: pemasaran, engineering selama proses tender dalam 1
tahun dibagi rcn perolehan pada tahun tersebut.
3 IPK & PSL
Imbalan Paska Kerja = 0,06%
Past Service Liability = 0,10%
4 Cost of Money
Beban biaya yg muncul karena cash in dan cash out, terkait dg sistem
pembayaran dari owner dan pembiyaan selama proyek berlangsung.
Bunga bank positif = 6%/thn, bunga bank negatif 11%/thn
5 Provision Bond
biaya provisi/premi bank utk keperluan penerbitan jaminan uang
selama jangka waktu yg disepakai, yg meliputi jaminan UANG MUKA
(advance payment bond), PELAKSANAAN (performance bond) dan
PEMELIHARAAN (retention bond)
besarnya premi: nilai jaminan x 0,75% / thn x masa jaminan
10
Spirit of Innovation
6 QSHE Cost
Biaya QA QC adalah biaya yang dicadangkan untuk mendukung
pemenuhan standart proyek seperti: Manpower, Tools, Klinik dan
Audit, Pengembangan Kompetensi, Sertifikasi dan inspeksi Eksternal.
Nilai dihitung berdasarkan kebutuhan proyek ybs.
Biaya HSE adalah biaya yang dicadangkan untuk peralatan yang
menunjang pencegahan dan tindakan yg terkait dg keselamatan dan
kesehatan kerja diseluruh area proyek : APD, rambu-rambu, Inspeksi
dan Sertifikasi alat keselamatan, serta proteksi terhadap lingkungan
sekitar. Standar DIP adalah 0,75%, kecuali ada kondisi yg berbeda.
7 Social cost
Cadangan biaya utk mengatasi masalah2 sosial dilingkungan proyek
seperti: sosialisasi, retribusi, CSR, koordinasi, pengamanan non
formal, ormas, dll.
8 PPh Final Pasal 23
PPh atas jasa konstruksi: 3% x harga jual
9 Spare for Negotiation
cadangan kalau ditawar, kalau di pandang perlu
11
Spirit of Innovation
Resiko Estimasi
Estimator should be identify as many parts as possible that
contain risks or uncertainties.
Tips for risk minimise:
• Understand of all document (ITB, Tech Doc, Draft Contract.
• Attend to Prebid meeting.
• Site visit.
• Price accuration from vendor and subcontractor: battery limit, specification
• Use of competent subcontractor
• Shedule analysis
• Effective and accurate of construction method
• Calculate of all related aspect: PMT, cashflow, insurance, site facilities,
QA/QC, SHE, tax, risk analysis, etc)
12
Spirit of Innovation
Project Risk Management
“The process involved with identifying, analyzing, and
responding to risk. It includes maximizing the results of
positive risks and minimizing the consequences of negative
events”
Key Term:
Risk Tolerance – The amount of acceptable risk
Risk Adverse – Someone that does not want to take risks
Risk Factors
• Probability of occurrence
• Range of possible outcomes (impact or amount at stake
• Expected Timing of event
• Anticipated frequency of risk events from that source
13
Spirit of Innovation
Project Risk Management
How do we manage risk ?
Use the six risk management processes
 Plan Risk Management
 Identify Risks
 Perform Qualitative Risk Analysis
 Perform Quantitative Risk Analysis
 Plan Risk Responses
 Monitor and Control Risks
14
Spirit of Innovation
BAGAIMANA
URUTAN PROSES PERHITUNGAN
RAB TENDER ?
15
Spirit of Innovation
URUTAN PERHITUNGAN HARGA
1. Penyusunan daftar Sumber daya
2. Analisa harga
3. Resume BOQ & harga
4. BOQ format intern
5. BOQ intern format extern
6. Compile RAB / Lembar Pengesahan
7. BOQ extern
16
Spirit of Innovation
DIAGRAM ALIR TANGGUNG JAWAB
No Aktivitas Pa Keu QS Eng Proc Adkon KTT GM Kadiv Dir
1 Undangan tender V
2 Distribusi dokumen V V
3 Site survey, prebid V V V V
4 Proposal administrasi V V
5 Proposal teknis V V V
6 Penyusunan RAB V V V V V
7 Pengesahan proposal V V V V V
8 Dokumen penawaran V V
9 Penyerahan Proposal V
FOKUS PERHATIAN anls pesaing bunga bank
pemahaman
lingkup
pemahaman
lingkup
mendapatkan
harga terbaik
term kontraktual
terkait harga
pemahaman
lingkup
info OE jaminan anls harga
disain
engineering
AML
rencana klaim &
CO
integrator
antar disiplin
evaluasi
kompetisi
BTL
evaluasi dg
proyek berjalan
BoQ
evaluasi dg
kontrak berjalan
usulan term
kontraktual
spesifikasi
17
Spirit of Innovation
MATRIK TANGGUNG JAWAB PROSES ESTIMASI
No Uraian Kegiatan Penanggung Jawab Keterangan
PA KTT QS ENG DAN Ops CONT COMM PPP QA HSE ADKON KEU
1 Koordinasi Team Penyampaian informasi
tender
2 Mempelajari Dok.
Tender
Membuat Review &
Feedback,
Hasil & waktu terukur
3 Schedule penyusunan
proposal
4 Pre bid meeting/Site
Survey
Membuat Resume
Site survey, SOW, SOS.
5 Rapat Koordinasi
Tender
Penjelasan hasil survey
6 Review SOW dan BOQ Engg. Mengeluarkan
BOQ sampai Resume
7 Pembahasan paket
pekerjaan (subcon).
8 Pengkodean Item
pekerjaan sesuai jenis
pekerjaan
Sesuai BoQ
9 Pembuatan RFQ
vendor dan subcon
Permintaan harga ke
Vendor/ Subkon
10 Pengiriman RFQ
vendor dan subcon
RFQ ke Vendor/ Subkon
11 Penerimaan
Quotation
12 Klarifikasi & Negosiasi
Quatation
Negosiasi Final oleh MD
Busdev /GM/DIREKSI
13 Penyusunan Schedule
Pekerjaan
Tanggung jawab
penyusun PPP & MD Ops
14 Penyusunan Metode
Kerja
15 Penyusunan Analisa
harga satuan
Rekomendasi vendor dan
subcon yang dipilih dari
pengadaan
16 Penyusunan RAB
Pekerjaan Langsung
17 Evaluasi
18 Penyusunan RAB
Pekerjaan Tdk Lgsg
Termasuk Biaya Bunga
Bank
19 Analisa Risiko Manajemen Resiko
20 Penyusunan Proposal
Harga
21 Finalisasi - KTT, MQs, MPa, MD
Busdev, M.DAN, MD Ops,
GM, Dirop
- Pengesahan RAB
22 Proposal Harga Final Proposal harga
Yes
No
Yes
18
Spirit of Innovation
Terima Kasih

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PROSES ESTIMASI.ppt

  • 1. 1 Spirit of Innovation OVERVIEW ESTIMATION FOR CONSTRUCTION PROJECT PT. WIJAYA KARYA (Persero), Tbk.
  • 2. 2 Spirit of Innovation Hal-hal yang mempengaruhi harga: 1. Scope of works 2. Project size 3. Project duration / schedule 4. Project location 5. Term of contract 6. Specification 7. Owner requirement : level SHE implementation 8. Resourches shortage  many project: skill labour, heavy equipment
  • 4. 4 Spirit of Innovation Elemen Perkiraan Biaya A. DIRECT COST 1. Material & Equipment cost:  material & equipment price from vendor, include transport, tax vendor supervision, etc. 2. Services cost:  Cost for design, install, erection, construction: Consultant, Labor, heavy equipment & tools, construction material, sub-contractor, etc.
  • 5. 5 Spirit of Innovation Elemen Perkiraan Biaya B. INDIRECT COST  Project management team  Head office overhead  Cost of money & bond  QA & SHE  Site Facility  Insurance  Social cost  Risk/Contigencies  Final income tax (PPh)  Profit
  • 6. 6 Spirit of Innovation Unit Cost Unit Cost calculation method : 1. Equipment : Unit 2. Material : Unit + waste 3. Services : • BOW analysis • Resourches analysis • Sub contractor • Experience
  • 7. 7 Spirit of Innovation Elemen Perkiraan Biaya A DIRECT COST 1 Site Preparation 2 Item 1 3 Item 2 4 Item 3 5 Item 4 6 Item 5 - B INDIRECT COST 1 Indirect Cost, Construction periode Month 20 2 Indirect Cost, Warranty periode Month 12 - C UNCOVERABLE CONSTRUCTION RISK 1 Risiko Teknis 1,00% - 2 Risiko Inflasi 2,45% - 3 Risiko LD Risiko LD Performance 1,00% - Risiko LD Delay 1,00% - 4 Risiko Kurs IDR/1 USD 200,00 - - D OTHER EXPENSE 1 CAR & Jamsostek 0,67% - 2 Engineering Cost (biaya tender) 1,60% - 3 IPK & PSL 0,16% - 4 Cost of Money 0,50% - 5 Provision Bond 0,20% - 6 QSHE Cost 0,95% - 7 Social cost 0,20% - 8 PPh Final Pasal 23 3,00% - 9 Spare for Negotiation 2,00% - 9,28% - - 8,00% - 17,28% - SUB-TOTAL A+B+C+D MOS SALES SUB-TOTAL A SUB-TOTAL B SUB-TOTAL C SUB-TOTAL D REKAPITULASI RENCANA ANGGARAN BIAYA PEKERJAAN : ….............., PT. …. NO. DESCRIPTION UNIT QTY TOTAL (IDR) 1 Item 1 2 Item 2 3 Item 3 4 Item 4 5 Item 5 - UNIT QTY TOTAL(IDR) TOTAL REKAPITULASIRENCANAANGGARANBIAYA PEKERJAAN:…..............,PT.…. NO. DESCRIPTION
  • 8. 8 Spirit of Innovation A Site Preparation 1 Site facility: kantor proyek, gudang, stockyard, pagar, listrik, komunikasi…. 2 Soil investigation 3 Survey 4 Mob & demob alat dan pekerja 5 Supporting general handling equiment: bus, crane, forklift, trailer, … 6 Supporting general labor: Mechanic, electrician, rigging team… B INDIRECT COST 1 Indirect Cost, Construction periode Biaya terkait dg task force management proyek yg meliputi biaya pesonalia, akomodasi, transportasi, dll, selama masa persiapan s/d BAST-1 2 Indirect Cost, Warranty periode Biaya terkait dg proses pemeliharaan proyek bilamana ada yg perlu diperbaiki, disempurnakan, dll, selama masa pemeliharaan C UNCOVERABLE CONSTRUCTION RISK cadangan biaya sbg cadangan apabila ada resiko yg terjadi yg diluar kendali. Nilainya dari berasal analisa resiko dimana ada daftar resiko, mitigasi resiko dan cadangan biaya. 1 Risiko Teknis 2 Risiko Inflasi 3 Risiko LD Risiko LD Performance Risiko LD Delay 4 Risiko Kurs
  • 9. 9 Spirit of Innovation D OTHER EXPENSE 1 CAR & Jamsostek meliputi CAR/EAR, ketenagakerjaan, cargo 2 Engineering Cost (biaya tender) 1 biaya proses aktifitas Engineering: basic desain, detail desain, Licensor/Technologi provider, HAZOP/HAZID, ata sheet, MTO, drawing, BOQ, soil investigation, survey, … 2 biaya tender: pemasaran, engineering selama proses tender dalam 1 tahun dibagi rcn perolehan pada tahun tersebut. 3 IPK & PSL Imbalan Paska Kerja = 0,06% Past Service Liability = 0,10% 4 Cost of Money Beban biaya yg muncul karena cash in dan cash out, terkait dg sistem pembayaran dari owner dan pembiyaan selama proyek berlangsung. Bunga bank positif = 6%/thn, bunga bank negatif 11%/thn 5 Provision Bond biaya provisi/premi bank utk keperluan penerbitan jaminan uang selama jangka waktu yg disepakai, yg meliputi jaminan UANG MUKA (advance payment bond), PELAKSANAAN (performance bond) dan PEMELIHARAAN (retention bond) besarnya premi: nilai jaminan x 0,75% / thn x masa jaminan
  • 10. 10 Spirit of Innovation 6 QSHE Cost Biaya QA QC adalah biaya yang dicadangkan untuk mendukung pemenuhan standart proyek seperti: Manpower, Tools, Klinik dan Audit, Pengembangan Kompetensi, Sertifikasi dan inspeksi Eksternal. Nilai dihitung berdasarkan kebutuhan proyek ybs. Biaya HSE adalah biaya yang dicadangkan untuk peralatan yang menunjang pencegahan dan tindakan yg terkait dg keselamatan dan kesehatan kerja diseluruh area proyek : APD, rambu-rambu, Inspeksi dan Sertifikasi alat keselamatan, serta proteksi terhadap lingkungan sekitar. Standar DIP adalah 0,75%, kecuali ada kondisi yg berbeda. 7 Social cost Cadangan biaya utk mengatasi masalah2 sosial dilingkungan proyek seperti: sosialisasi, retribusi, CSR, koordinasi, pengamanan non formal, ormas, dll. 8 PPh Final Pasal 23 PPh atas jasa konstruksi: 3% x harga jual 9 Spare for Negotiation cadangan kalau ditawar, kalau di pandang perlu
  • 11. 11 Spirit of Innovation Resiko Estimasi Estimator should be identify as many parts as possible that contain risks or uncertainties. Tips for risk minimise: • Understand of all document (ITB, Tech Doc, Draft Contract. • Attend to Prebid meeting. • Site visit. • Price accuration from vendor and subcontractor: battery limit, specification • Use of competent subcontractor • Shedule analysis • Effective and accurate of construction method • Calculate of all related aspect: PMT, cashflow, insurance, site facilities, QA/QC, SHE, tax, risk analysis, etc)
  • 12. 12 Spirit of Innovation Project Risk Management “The process involved with identifying, analyzing, and responding to risk. It includes maximizing the results of positive risks and minimizing the consequences of negative events” Key Term: Risk Tolerance – The amount of acceptable risk Risk Adverse – Someone that does not want to take risks Risk Factors • Probability of occurrence • Range of possible outcomes (impact or amount at stake • Expected Timing of event • Anticipated frequency of risk events from that source
  • 13. 13 Spirit of Innovation Project Risk Management How do we manage risk ? Use the six risk management processes  Plan Risk Management  Identify Risks  Perform Qualitative Risk Analysis  Perform Quantitative Risk Analysis  Plan Risk Responses  Monitor and Control Risks
  • 14. 14 Spirit of Innovation BAGAIMANA URUTAN PROSES PERHITUNGAN RAB TENDER ?
  • 15. 15 Spirit of Innovation URUTAN PERHITUNGAN HARGA 1. Penyusunan daftar Sumber daya 2. Analisa harga 3. Resume BOQ & harga 4. BOQ format intern 5. BOQ intern format extern 6. Compile RAB / Lembar Pengesahan 7. BOQ extern
  • 16. 16 Spirit of Innovation DIAGRAM ALIR TANGGUNG JAWAB No Aktivitas Pa Keu QS Eng Proc Adkon KTT GM Kadiv Dir 1 Undangan tender V 2 Distribusi dokumen V V 3 Site survey, prebid V V V V 4 Proposal administrasi V V 5 Proposal teknis V V V 6 Penyusunan RAB V V V V V 7 Pengesahan proposal V V V V V 8 Dokumen penawaran V V 9 Penyerahan Proposal V FOKUS PERHATIAN anls pesaing bunga bank pemahaman lingkup pemahaman lingkup mendapatkan harga terbaik term kontraktual terkait harga pemahaman lingkup info OE jaminan anls harga disain engineering AML rencana klaim & CO integrator antar disiplin evaluasi kompetisi BTL evaluasi dg proyek berjalan BoQ evaluasi dg kontrak berjalan usulan term kontraktual spesifikasi
  • 17. 17 Spirit of Innovation MATRIK TANGGUNG JAWAB PROSES ESTIMASI No Uraian Kegiatan Penanggung Jawab Keterangan PA KTT QS ENG DAN Ops CONT COMM PPP QA HSE ADKON KEU 1 Koordinasi Team Penyampaian informasi tender 2 Mempelajari Dok. Tender Membuat Review & Feedback, Hasil & waktu terukur 3 Schedule penyusunan proposal 4 Pre bid meeting/Site Survey Membuat Resume Site survey, SOW, SOS. 5 Rapat Koordinasi Tender Penjelasan hasil survey 6 Review SOW dan BOQ Engg. Mengeluarkan BOQ sampai Resume 7 Pembahasan paket pekerjaan (subcon). 8 Pengkodean Item pekerjaan sesuai jenis pekerjaan Sesuai BoQ 9 Pembuatan RFQ vendor dan subcon Permintaan harga ke Vendor/ Subkon 10 Pengiriman RFQ vendor dan subcon RFQ ke Vendor/ Subkon 11 Penerimaan Quotation 12 Klarifikasi & Negosiasi Quatation Negosiasi Final oleh MD Busdev /GM/DIREKSI 13 Penyusunan Schedule Pekerjaan Tanggung jawab penyusun PPP & MD Ops 14 Penyusunan Metode Kerja 15 Penyusunan Analisa harga satuan Rekomendasi vendor dan subcon yang dipilih dari pengadaan 16 Penyusunan RAB Pekerjaan Langsung 17 Evaluasi 18 Penyusunan RAB Pekerjaan Tdk Lgsg Termasuk Biaya Bunga Bank 19 Analisa Risiko Manajemen Resiko 20 Penyusunan Proposal Harga 21 Finalisasi - KTT, MQs, MPa, MD Busdev, M.DAN, MD Ops, GM, Dirop - Pengesahan RAB 22 Proposal Harga Final Proposal harga Yes No Yes

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