Commissioning
Validating systems performance with commissioning from the outset
Customer issues
1.Validate
system performance from the commissioning stage
2.Ensure
installation quality through QA & QC processes
3.Guarantee
accuracy with pre-startup testing
4.Preserve
integrity during startup operations
5.Maintain
traceability through functional testing
6.Confirm
repeatability via integrated system testing
Commissioning management
Design commissionability reviews
Commissioning plan
Generation of the asset register & "tags"
Factory Witness Testing - FWT
L1: Red Tag - documentation QA & equipment positioned
L 2: Yellow Tag - Installation verification
L3: Green Tag - Start-up
L4: Blue Tag - System level testing
L5: White Tag - Integrated Systems testing (IST)
Electrical Testing & Energisation
- Safe systems of work and control of energisation. Lock-Out, Tag-Out (LOTO)
- Pre-energisation design and installation QA/QC
- Pre-energisation "dead" testing
- Selectivity and discrimination testing; primary and secondary injection tests.
- Continuity, polarity and insulation resistance testing of circuit, protection and bonding conductors.
- Post-energisation testing
- Volt drop, polarity testing. Earth conductor resistance and earth fault loop impedence testing. Prospective short circuit / fault current measurement
- Thermal image scanning
- Functional testing
Mechanical Testing & Energisation
- Safe systems of work and control of dangerous energy, pressure and heat
- Pre-startup design and installation QA/QC
- Filling, flushing and water quality testing
- Pressure testing - pneumatic (low pressure) and hydraulic testing
- Ductwork cleanliness checks and pressure testing
- Fire damper and smoke control system testing
- BMS / control and monitoring system functional testing
Level 4 System Level Functional Testing & Level 5 IST
- Development of test scripts and methodologies
- Planning of heat load testing - air and liquid cooled IT loads
- Planning of MV Generation, Control & Protection Systems test simulations - Factory and Site Level
- Planning of load testing and development of procedures for generators, switchgear, UPS, Busbars, PDU's
- End-to end testing of monitoring and control systems; BMS, EMS, PMS and SCADA.
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