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SKG16.3 > PFS & P&ID > Flashcards

PFS & P&ID Flashcards

1
Q

Objective

PPMS

A
  • To ensure that the projects embarked by all project teams are
    viable, technically applicable and good return.
  • To ensure project are smoothly implemented, cost effective and
    in accordance to good governance practices.
  • To ensure that project practices especially Front End Loading
    (FEL) are consistent.
  • Deliverance of projects are as per plan and business
    requirement.
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2
Q

Definition

Process Flow Scheme (PFS)

A

A schematic drawing of a process or utility unit showing all relevant
physical and other process data, the main utility characteristics, the basic
process control elements and the main dimensions of the process
equipment

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3
Q

PFS serves as a basis for

Project Definition:

A

– The technical Basis for Design
– Preliminary Equipment List
– Preliminary Layouts
– Initial views on Utility/Resources Consumption

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4
Q

The PFS serves as a basis for

Project Planning:

A

– Strategic Planning
– Ordering of Special/Long Lead Items
– Project Scheduling
– Preliminary Costing (25-40% accuracy)
– Initial Risk Assessment
– Development of PEFS and other drawings

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5
Q

Info on

PFS/UFS

A

It shows what is happening in the Process rather than how it is achieved

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6
Q

PFS/UFS

describes

A

– Process Method
– Main Process Lines/connections
– Process Conditions and Physical Data based on Operating Conditions
– Mass Balance
– Main Process Equipment (and may give limited Design Data)
– It may show the Main Control Systems (Not Safeguarding)

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7
Q

Process Safeguarding Flow
Scheme (PSFS)

A

PFSs for pressure relief systems shall indicate relief quantities, physical characteristics and conditions for each relief valve and depressuring valve for each individual and general emergency case

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8
Q

Typical Equipment Short Specification

C

A

Columns

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9
Q

Typical Equipment Short Specification

E

A

Heat transfer equipment (unfired)

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10
Q

Typical Equipment Short Specification

V

A

Vessels

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11
Q

Typical Equipment Short Specification

R

A

Reactors

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12
Q

Typical Equipment Short Specification

F

A

Heat transfer equipment (fired)

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13
Q

Typical Equipment Short Specification

M

A

Mixers

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14
Q

Typical Equipment Short Specification

S

A

Separators

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15
Q

Typical Equipment Short Specification

A

A

Packaged Units and miscellaneous equipment

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16
Q

Typical Equipment Short Specification

P

A

Pumps

17
Q

Typical Equipment Short Specification

K

A

Compressors and blowers

18
Q

Typical Equipment Short Specification

T

A

Tanks

19
Q

Typical Equipment Short Specification

V

A

Vessels

20
Q

Process Engineering Flow Scheme (PEFS)

A

A pictorial representation of a process or utility unit which shows all the equipment, including installed spares and the associated piping and piping components, instrumentation, heat tracing and insulation

21
Q

PEFS serves as a basis for:

Engineering Definition

A

ˉ Detailed calculations and equipment sizing
ˉ Equipment Data Sheets
ˉ Piping and instrumentation sheets
ˉ Final Plant Layout/Area Classifications

22
Q

PEFS serves as a basis for:

Project Planning/Execution:

A

ˉ Detailed/ Final Planning/Scheduling
ˉ Determination of Final Project Cost Estimate (10-15% accuracy)
ˉ Defines Material Requirements/Take Offs (Bulks/Equipment)
ˉ Basis for Procurement
ˉ Basis for CTR (Cost Time and Resources - plan) Preparation
ˉ Basis of Contract Specification
ˉ Basis for HSE studies (e.g. HAZOP) and operations review

23
Q

PEFS serves as a basis for:

Construction/ commissioning:

A

ˉ Detailed/ Final Planning/Scheduling
ˉ Construction Schedules/Records (e.g. Weld Maps, Hydro test).
ˉ Precommissioning & commissioning procedures).
ˉ As Built Record

24
Q

PEFS serves as a basis for:

Operation & Maintenance

A
  • It is very important that the PFS and PEFS will show a 100% reflection of
    the as built situation.
  • It is of paramount importance to keep these documents up to date.
  • This can be achieved with a rigid Plant Change procedure involving all
    disciplines.

SKG16.3 (12 decks)

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