Data integrity and consistency
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Transcript of Data integrity and consistency
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Data integrity and consistencyData Flow
Presented by Marek Jadczyk
The Woodlands Resort & Conference Center, Woodlands TX
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1. Introduced data management concept.
2. Streamlines data flow.
3. Enforced data preparedness.
4. Removed chaos from data exchange.
5. Enforced data standardization.
6. Breaks old habits (at the price).
Aveva impact on the business
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In today’s project environment two ingredients are vital to its
success – keeping with the budget and keeping with schedule. With
the fierce competition on the labor market, company that can
provide both is a sure winner. Among number of other skills, proper
organization and handling of the large amount of data flooding
everyone involved is a paramount. One of the tools provided to deal
with this challenge is data storage software known otherwise as
database.
However, if it is not used properly it will only add to the chaos.
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Introduction“One Person’s data is another person’s noise” - unknown
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1. Project design stages are all about data and information.
IntroductionNeed of data
2. Controls, Instrumentation, Electrical in design stages are offering nothing more than data
in different formats.
3. Drawings, Excel files, PDF articles, Word documents, JPG Pictures. How do we manage following:
a) Data change?
b) Data addition/deletion?
c) Data check?
4. Who is responsible for data maintenance or data flow?
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TAG# Description Instrument
Service
P&ID Location
30-XV-0002 Valve User defined valve
30-HV-0010 Valve Hand ValveInlet Separator Isolation Valve
Inlet Separator Inflow Valve
Cost associated with description errors – 1 contractor for 120 hours @
$115/hr.
CDN$ 13,800
Expertise level
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1. Basic data configuration
Database
a) Plant areas
b) Process units
c) Pick lists
d) Tag format
e) Type catalogue
f) Instrumentation datasheets
VINS
Setup
Physical devices vs virtual soft points
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Level Control Valve
I/P Converter
INS Instrument LV Control Valve FLD
INS Instrument LVControl Valve
(with I/P)AO FLD I/P To JB
INS Instrument LY I/P Converter AO FLD I/P To JB
Incorrect data input
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Another Example of Ambiguity
Class NameClass
DescriptionFunction Description
I/O
TypeLocation Wiring Rule
Operating
PrincipleSystem
INS Instrument AE Analyzer Sensor FLD PLC
INS Instrument AECO2 Analyzer
ElementFLD Analysis
INS Instrument AI Indicator DCS PLC
VINSVirtual
InstrumentAI Indicator n/a DCS none Analysis
INS Instrument PV Control Valve FLD
INS Instrument PVControl Valve (with
I/P)AO FLD I/P To JB
INS Instrument PY I/P Converter AO FLD I/P To JB
Results in:
a) Associated cost
b) Incorrect I/O assessment
c) Data transfer confusion
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Sources of Ambiguity
1. Unclear responsibilities.
2. Different Professional Backgrounds.
3. Multiple Information Source.
4. Cultural Barriers And Differences.
5. Employee Experience Level.
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1. Project Group
a) Ineffective project team.
b) Bad decisions based on bad data.
c) Appearance of incompetency to the client.
d) Damaged corporate image.
e) Loss of future contracts.
The Consequences
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1. Cost of fixing errors
2. Cost of the unnecessary extra equipment
3. Engineering time
4. Cost associated with changes on site
Impact on the Budget
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1. Extended development time.
2. Missed milestones.
3. Extended commissioning time.
Impact on the Schedule
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1. Educate and create buy in by project team and management.
2. Get right people for the job (it may bring higher costs at the beginning, but huge savings at
the end).
3. Spend time in preparing data at the beginning of the project.
4. Implement strict rules while handling data.
5. Create specific roles with clearly defined expectations.
Solutions?
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1. Instrumentation Lead
Instrumentation technician or engineer shall be responsible for all details pertaining to the
instrument and instrument installation only. Specification of all of the instrument requirements is
solely in this person scope of work and he/she will be responsible before the project.
Solutions?
Assign specific duties to the roles
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1. Controls Lead
Controls Lead or designate is responsible for I/O assignment. However, this is an activity that
belongs to the latter part in the project. Involvement is not expected early, but it is vital and the I/O
review shall be conducted as soon as possible.
They are also responsible for creating reports pertaining to Control Systems – Instruments
Ranges List, Alarms List, S(et)P(oints) List.
Using Electrical Module loop drawings should be created by Controls Group
Solutions?
Assign specific duties to the roles
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Database Manager/Lead:
1. Creating Initial Entries
2. Managing changes
3. Adding and deleting
a) Major equipment
b) Devices
c) Instruments
d) Soft points
4. Reporting
5. Becoming a single source for P&ID management
Roles
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Structure
Process Lead
Coordinator(Database Lead?)
Electrical
LeadControls Lead
Instrumentation
Lead
Electrical
Group
Controls
Group
Instrumentation
Group
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? Click here to contact the team today!
avevaworld.com
@aveva
/aveva
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