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Work Breakdown Structure (WBS) Top Chart Layer 0
Oil & Gas Project
Layer 1 Basic Engineering
Detail Engineering
Mechanical Equipment
Equipment Design
Piping Material
Piping Material
Subcontracting
Piping & Plant Design
Electrical Equipment & Material
Electrical Equipment & Material
……. Plant
Electrical Design
Control & Instrument Material
Control & Instrument Material
Control & Instrument Design
Structural Material
Structural Material
Structural Design
Architectural Material
Architectural Material
Civil Design
HVAC Equipment & Material
HVAC Equipment & Material
Architectural Design
Fire Fighting Equipment & Material
Fire Fighting Equipment & Material
Process Design
Equipment Design Piping & Plant Design
Instrument and Control Design Civil / Architecture / Structure Design HVAC / Fire Fighthing Design
Commissioning and Startup
Mechanical Equipment
Process Design
Electrical Design Design
Construction, Erection and Precommissioning
Manufacturing and Delivery
Procurement
HVAC and Fire Fighting Design
Site Handover and Mobilization
Layer 2
Work Breakdown Structure (WBS) Equipment Design Layer 2
Equipment Design
Layer 3 Tanks
Vessels
Heat Exchangers
Tanks, Bins and Hoppers
Filters
Hoists
Specifications
3D Modeling *
……. Tank
……... Tank
Layer 4 Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Typical
Work Breakdown Structure (WBS) Piping & Plant Design Layer 2
Piping & Plant Design
Layer 3 General
….. Plant
Area….
Area….
Area….
3D Model Review
Underground Piping
Plot Plan / Key Plan
Block Modeling
Block Modeling
Block Modeling
Block Modeling
Block Model Review
PDMS Administration and Catalogue
Intermediate Modeling
Intermediate Modeling
Intermediate Modeling
Intermediate Modeling
Intermediate Model Review
Lists and Reports
Final Modeling
Final Modeling
Final Modeling
Final Modeling
Final Model Review
Engineering Specs and Data Sheets P&ID Mechanization and Line Lists
Layer 4
Work Breakdown Structure (WBS) Electrical Design Electrical Design
Layer 2 Layer 3
Conceptual and Basic Design
Lighting and Small Power System Study and Calculation
Emergency Power System
MCC and Control Room
Power
Earthing and Lightning
Power System Analysis
Power System
Power
Hazardous Area Classification
Wiring and Termination Diagram
Electrical System
Relay Setting Study
Cathodic Protection
Paging System
3D Modeling Electrical Heat Tracing Layer 4
Work Breakdown Structure (WBS) Control & Instrument Design Control & Instrument Design
Layer 2 Layer 3
Lists and Schedules
Layouts and Wiring
Hookups
3D Modeling
Layer 4 …. Plant
…. System
…. System
…. System
…. System MCC and Control Room Common Area, General and Offsite
Work Breakdown Structure (WBS) Structural Design Structural Design
Layer 2 Layer 3
General Specifications and Drawings
Pipe Racks and Sleepers
Structures and Buildings
Equipment Foundations
Miscellaneous Works *
3D Modeling
Layer 4 Pipe Rack
…..Plant
….. Plant
….. Plant
….. Plant
Sleepers
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
…...System
MCC and Control Room
* Including Local Platforms, Special Pipe Supports, Concrete Pits, etc.
…...System Common Area, General and Offsite
Work Breakdown Structure (WBS) Civil Design Layer 2
Civil Design
Layer 3 General Specifications and Drawings
Landscaping
Underground Layouts
Non-pressurized Sewage Foundations Location Underground System
* Including Local Platforms, Special Pipe Supports, Concrete Pits, etc.
3D Modeling
Layer 4
Work Breakdown Structure (WBS) Architectural Design Layer 2
Architectural Design
Layer 3 General Specifications and Drawings
Building Design
3D Modeling
Layer 4 …. Plant
…...System
…...System
…...System
…...System MCC and Control Room Common Area, General and Offsite
* Including Local Platforms, Special Pipe Supports, Concrete Pits, etc.
Work Breakdown Structure (WBS) HVAC and Fire Fighting Design Layer 2
HVAC and Fire Fighting Design
Layer 3 Safety and Fire Fighting Design
HVAC Design
General Documents
General Documents
Calculations, Data Sheets and Layouts
Data Sheets and Layouts
* Including Local Platforms, Special Pipe Supports, Concrete Pits, etc.
Layer 4
Work Breakdown Structure (WBS) Procurement (1/2) Procuremen t
Layer 1 Layer 2
Mechanical Equipment
Electrical Equipment & Material
Piping Material
Tanks *
Vessels
Piping Material
Coat & Wrap
MV/LV Switchgears and Distribution Panels Annunciation Panels
Control & Instrument Material
Layer 3
Power Transformer
Junction Boxes
LV Bus Duct
Gas Detectors
Cathodic Protection System and Material Power, Control and Communication Cables
AC/DC UPS and Batteries
Control Cables
Cable Termination Kit, Joint Material & Cable
Cable Trays and Ladders
Heat Exchangers
Conduits and Accessories
Cable Trays and Ladders
Cable Glands
Hoists
Lighting Poles, Brackets and Towers
Socket Outlets and Lighting Material
Cable Glands
Junction Boxes
Earthing and Lightning Material
Paging System
Rotary
Paint
Filters
Insulation Material
Electrical Heat Tracing Material
Work Breakdown Structure (WBS) Procurement (2/2) Procuremen t
Layer 1 Layer 2
Structural Material
Architectural Material
Steel Structure
Aluminum Corrugated Sheets
Anchor Bolts
Aluminum Sandwich Panels
HVAC Equipment & Material
HVAC System
Fire Fighting Equipment & Material
Fire Fighting Equipment
Layer 3
Work Breakdown Structure (WBS) Manufacturing and Delivery (1/2) Manufacturing and Delivery
Layer 1 Layer 2
Mechanical Equipment
Electrical Equipment & Material
Piping Material
Tanks *
Piping Material (Offshore)
MV/LV Switchgears and Distribution Panels
Vessels
Coat and Wrap
Annunciation Panels
Control & Instrument Material
Layer 3
Power Transformer (6.6/0.4 kv)
Junction Boxes
LV Bus Duct
Gas Detectors
Cathodic Protection System and Material Power, Control and Communication Cables
AC/DC UPS and Batteries
Control Cables
Cable Termination Kit, Joint Material & Cable
Cable Trays and Ladders
Heat Exchangers
Conduits and Accessories
Cable Trays and Ladders
Cable Glands
Hoists
Lighting Poles, Brackets and Towers
Socket Outlets and Lighting Material
Cable Glands
Junction Boxes
Earthing and Lightning Material
Paging System
Rotary
Paint
Filters
Insulation Material
Electrical Heat Tracing Material
Work Breakdown Structure (WBS) Manufacturing and Delivery (2/2) Manufacturing and Delivery
Layer 1 Layer 2
Structural Material
Architectural Material
Steel Structure
Aluminum Corrugated Sheets
Anchor Bolts
Aluminum Sandwich Panels
HVAC Equipment & Material
HVAC System
Fire Fighting Equipment & Material
Fire Fighting Equipment
Layer 3
Work Breakdown Structure (WBS) Construction, Erection and Pre-commissioning (1/2) Construction, Erection and Precommissioning
Layer 1 Layer 2
Site Handover and Mobilization
Subcontracting
….. Plant
….. System
….. System
Layer Mechanical 3
Civil Works Subcontract
Mechanical Equipment Installation
Mechanical Equipment Installation
Equipment Installation
Mechanical Erection Subcontract
Piping Installation
Piping Installation
Piping Installation
Electrical Installation
Electrical Installation
Electrical Installation
Control and Instrument Installation
Control and Instrument Installation
Control and Instrument Installation
Structural Installation
Structural Installation
Structural Installation
Architectural Works
Architectural Works
Architectural Works
Safety and Fire Fighting Installation
Safety and Fire Fighting Installation
Safety and Fire Fighting Installation
Painting, Insulation and Fire Proofing
Painting, Insulation and Fire Proofing
Painting, Insulation and Fire Proofing
Work Breakdown Structure (WBS) Construction, Erection and Pre-commissioning (2/2) Construction, Erection and Precommissioning
Layer 1 Layer 2
….. System
MCC and Control Room
…... System
Common Area, General and Offsite
Demobilization and Plant Handover
Mechanical Equipment Installation
Mechanical Equipment Installation
Electrical Installation
Mechanical Equipment Installation
Piping Installation
Piping Installation
Control and Instrument Installation
Piping Installation
Electrical Installation
Electrical Installation
Structural Installation
Electrical Installation
Control and Instrument Installation
Control and Instrument Installation
Architectural Works
Control and Instrument Installation
Structural Installation
Structural Installation
Safety and Fire Fighting
Structural Installation
Architectural Works
Architectural Works
Painting, Insulation and Fire Proofing
Civil Works
Safety and Fire Fighting Installation
Safety and Fire Fighting Installation
Architectural Works
Painting, Insulation and Fire Proofing
Painting, Insulation and Fire Proofing
Safety and Fire Fighting Installation Painting, Insulation and Fire Proofing
Layer 3