Post on 04-Jun-2018
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Project ManagementE&C Projects Phases
Prof. Mauro Mancini
e-mail: Mauro.Mancini@polimi.it
ph.: +39-02-23994057
POLITECNICO DI MILANODepartment of Management, Economics and Industrial Engineering
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Plant’s Projects Phases
engineering
PLANNING/CONTROL
OPERATING
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start-up/testing
construction/assembly
procurement
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Plant’s Projects Phases
PHASE RATIONALE
Base EngineeringSystems (functional units of the
plant)
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e a e ng neer ng pec a s sc p nes
Procurement Product classes
Construction/Assembly Work’s processes/physical areas
Start-up/testing Systems
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Plant’s Projects Phases
Base
Engineering
Detailed
EngineeringFUNCIONAL
SPECIFICATIONS
CONSTRUCTIVE
DESIGN
SUPPLIERDATAPURCHASE
SPECIFICATIONS
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MATERIALS
Start-up/
Testing
Construction
/Assembly
Procurement
CONSTRUCTIVE
MODIFICATIONS
FUNCTIONALPERFORMANCE
TESTING
SYSTEMS
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Engineering Phase
Elaborating engineering of a plant means todefine coherently, with an increasing level
,plant sub-systems (primary and auxiliary)
and the relative integration ways
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Engineering Phase
Base Engineering
SYSTEMIC APPROACH
Detailed Engineering
ENGINEERING DISCIPLINE APPROACH
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Engineering Phase
Base Engineering
From requirements (functional, performance, technological,constructive) indicated from the customer, until the
complete definition of the plant (articulated in primary
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PRIMARY SYSTEM
SECONDARY
SYSTEM:
Instrumentatio
n and control
SECONDARY
SYSTEM:
Electric Power
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Engineering Phase
Base Engineering
•
project requirements’ analysis• technological process choice
• plant collocation
• lant confi uration and its articulation in sub-s stems
• automation level definition• sub-systems characteristics definition
• layout definition
• health, security and environmental impact matters analysis
• operating management politics definition
• design criteria and constraints for detailed engineering definition
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Engineering Phase
Block Diagram
Process FlowDiagram
Material Balance
Overall Layout
Detailed Layout
Buried Network
Equipment List
Data Sheet
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ner e c a ance
Process &
Instrument Diagram
PID mechanized
Aerial Network
PROCESS
LAYOUT
COMPONENTS
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Engineering Phase
Detailed Engineering
Multidisciplinary activity through which technicalspecification of plant components and relative ways of
installations are defined, on the basis of prefixed
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(material take-off ) and to define ways of construction/assembly (sketches)
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Engineering Phase
Detailed Engineering
Front End Engineering
Engineering for Requisitioning and Procurement
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Engineering for Construction/Assembly
Engineering during Construction
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Engineering Phase
Detailed Engineering
Front End Engineering task is to define design choicefundamental for each specialist discipline, coherently
with base engineering, to start supply campaign
’
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Engineering Phase
Detailed Engineering
Engineering for Requisitioning and Procurementdevelops through the following:
• formulation of technical specifications for Request for
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• formulation of technical opinions on offers coming
from suppliers;
• control and approval of technical documentation
coming from selected supplier
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Engineering Phase
Technical documents
• to specify technical characteristics of a
plant/component• to specify ways of construction, assembly, testing,
exercise, maintenance
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•
absolving, authorizations, etc.
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Engineering Phase
Technical documents Life-Cycle
1. planning2. elaboration
3. filing
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4. transmission (if the document is used during theproject in progress)
5. research and rendering (if the document is used in
other projects)
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Engineering Phase
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Procurement Phase
Site Logistics
Product Support Logistics
a er a s og s cs
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Procurement Phase
Materials logistics can be divided in:
Materials Management to guarantee the
presence of materials on site
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Procurement Phase
Procurement
Supplied materials:
• construction materials;
• p an componen s;
• consumption materials;
• operating means and advices.
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Procurement Phase
Procurement
Vendor List
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Procurement Phase
Procurement Phases1. Emission of “Purchase Specification” (from Engineering and
Procurement);2. Emission of “Inquiry for Bid” (from Procurement and supplier
inserted in vendor list);
Engineering);4. Economic tabulation of received proposals (from
Procurement);
5. Emission of “Inquiry for Purchase” (from Engineering);
6. Order emission (from Procurement);7. Final approval of supplier technical documentation (from
Engineering).
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Procurement Phase
Materials Management
Expediting
Inspecting and testing
TransportsReception/storing/handling of materials in
site
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Procurement Phase
Expediting
This phase guarantees the control of
milestones corresponding to the right
progress of the project
Aims to obtain from the supplier information
about:
• furniture progress• technical documentation development
• completion of foreseen testing
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Procurement Phase
Expediting Activities• reunions among order manager, supplier and
corporate functions interested• detailed exam of the order, identifying uncertainty
areas that could determine delivery delay
• control milestones definition and interventionsfrequency between them
• actions of reminder (visits, phone calls, meetings)
•
expediting report, sent to corporate functions
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Procurement Phase
Expediting ActivitiesMaterials Statur Report
• material description
• number of purchase specification
•
• supplier
• number of order
• planned, foreseen and actual date of completion
• planned, foreseen and actual date of testing
• way of testing
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Procurement Phase
Expediting ActivitiesMaterials Statur Report
• planned, foreseen and actual date of free factoryrendering
• wa of shi ment and carrier
• planned, foreseen and actual date of shipment• planned, foreseen and actual date of delivery to the
site
• corresponding activity of construction/assembly
• planned and foreseen date of activities execution
• date for which materials availability on site is
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Procurement Phase
Transports
Transport Plan
• ways of transport
• paths
•
contract typology (for example “door todoor”)
• carrier
• charges• packaging
• delivery dates
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Procurement Phase
Transports
Delivery documents are very important from a
contractual point of view because theyactivate payment share from the customer
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Procurement Phase
Inspecting and Testing Activities
• participation to technical qualification of
suppliers
• verification of suppliers’ quality warranty
• technical supervision through inspections
aimed to verify conformance of materials,
processes, construction methodologies, and
order specifications.
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Procurement Phase
Inspecting and Testing Activities
The level of supervision depends on
supplied components characteristics and
on quality level of the plant that have to
be realized
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Procurement Phase
Inspecting and Testing Activities
1) PRODUCT CATEGORIES
1 – realized on demand on supplier’s engineering
2 – realized on demand on E&C society’s engineering
–
2) QUALITY CATEGORIES OF PLANTS/SYSTEMS
1 – particularly high2 – high
3 – normal
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Procurement Phase
Inspecting and Testing Activities
Supervision Levels:
– inspection during furniture and presence
during testing (intermediate and final) at
’
– only presence during testing (intermediate and
final) at suppliers’
– acceptance of materials on the basis of documents (without presence during testing)
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Construction/Assembly Phase
Collocated at the end of detailed
engineering (that provides technical
documents) and procurement (thatguarantees availability of materials to
ns a , an prece es s ar -up an
testing phases, where technical
performance of the plant are verified
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Construction/Assembly Phase
Aspects to consider : changes in scope of work
materials amount revision
site logistics and transport and communication
infrastructure
activities programming and temporal profile of resources’ utilization
availability of technical documents and materials on
site contractual constraints
plan of security on site
problems from operating in strangers countries
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Construction/Assembly Phase
Specialist work processes constructive
sequence
Constructive area/draft/cubeCrossing assembly processes and constructive
phase is obtained
Subcontracts
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Construction/Assembly Phase
Constructive area approach
Materials may be installed:
• per area and per system (e.g. piping)
• per area (e.g. conduits)
• per system (e.g. cables)
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