(주)이삭 ISSAC E&C

Commissioning

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Commissioning

Commissioning is the foundation of ISSAC E&C and our most core business area.

We have accumulated experience and technology through performing various commissioning tasks at major shipyards in Korea. ISSAC E&C's commissioning service promises to pursue customer satisfaction beyond simply completing projects within schedule and budget.

Pre-commissioning Execution<br>(Including MC)

Pre-commissioning Execution
(Including MC)

Commissioning Execution

Vendor Commissioning

Pre-commissioning
Execution (MC included)

Pre-commissioning is the process of confirming whether subsystems are installed in accordance with installation standards and certification standards, including design, in a static state without power or electricity supply.

In the pre-commissioning stage, the following items are mainly inspected.

Conformity checks of equipment items – Mechanical completion / Punch clearance

Static/de-energized tests of equipment items

Mechanical/Piping: Alignment of all equipment and flushing and cleaning of the pipes and vessels

Instrument: Calibration and cable continuity tests

Electrical: Insulation and continuity tests

Functional tests and operational tests

Issue the pre-commissioning, commissioning weekly progress report based on PCS data

Detailed Execution Items by Field

Operational systems

Non-operational systems

Discipline	Activities
Mechanical	• Visual inspection for complete and correct installation • Internal inspection of tanks and vessels • Alignment • Load testing of lifting & rotating equipment • Hot oil flushing • Bolt tensioning • Dimension control • Preservation
Electrical	• Visual inspection for complete and correct installation • Insulation and continuity testing of cables • Insulation testing of generator, transformers and motors, panels, distribution board etc • Earthing checks • Static check of switches and control devices • Battery preparations • Lighting and socket outlet checks • Area completion • Heat tracing • Preservation
Instrument/ Telecommunication	• Calibration and testing of instruments prior to installation • Visual inspection for complete and correct installation • Insulation and continuity testing of cables • Cleaning, flushing, pressure and leak testing of pneumatic and hydraulic tubing • Adjustment of control, alarm and shutdown settings • Loop testing • Function testing of control systems • Function testing of field instruments • Hot oil flushing of instrument tubing • Area completion • Preservation
Piping	• NDE carried out • Welding Procedure Specification • Removal of all items subject to damage during flushing, cleaning and pressure testing • Flushing of pipework • Chemical cleaning and testing of pipework • Drying of tested pipework • Preservation of tested pipework • Reinstatement of all items after testing • Final inspection of pipework • Test ISO's and P&ID's showing the extent of each pressure test • Pneumatic and hydraulic tubing • Hot oil flushing of pipework • Bolt tensioning - Flange Management System (FMS) • Insulation • Flow coding • On-line chemical compound leak sealing • On-line safety valve testing(TREVI test) • On-site machining • Valve reconditioning & overhaul
HVAC	• Visual inspection for complete and correct installation • Cleaning of ductwork • Leak testing of ductwork • Alignment checks • Mechanical functions checks of equipment • Preservation • Flow coding • Safety • Visual inspection for complete and correct installation • Preservation • Area completion

Discipline	Activities
Structural	• Visual inspection for complete and correct installation • QC documentation • NDE carried out • Welding • Load testing of lifting lugs and monorails
Surface protection, insulation and fire proofing	• Visual inspection for complete and correct application • Thickness checks carried out • Adhesion checks carried out • Preservation • Insulation • Painting • Fire proofing
Architectural	• Visual inspection for complete and correct installation • Preservation • Doors

Commissioning

Commissioning

Commissioning is the foundation of ISSAC E&C and our most core business area.

Pre-commissioning
Execution (MC included)

In the pre-commissioning stage, the following items are mainly inspected.

Detailed Execution Items by Field

Commissioning Execution

The main inspection items of commissioning are as follows.

Pre-commissioning Witnessing

Pre-commissioning witnessing is conducted only for the following major commissioning items.

Preliminary Checks

Preliminary checks are the most preliminary work in commissioning practice, a procedure to cross-verify whether the construction contractor has completed the pre-commissioning stage, and inspections are conducted on a subsystem basis.

Mechanical Equipment

1. Document Review

2. Equipment Review

Electrical Equipment

1. Document Review

2. Equipment Review

Instrumentation Equipment

1. Document Review

2. Equipment Review

Functional Tests

Functional Test Execution

Test Report Preparation

Database Input

Reference Materials

Piping and Vessels Preparation

Piping and vessel preparation items are carried out in the following main areas.

Operational Checks

Operational checks are carried out in the following main areas.

Support Activities

Support activities are carried out in the following main areas.

Documentation Tasks

DATABASE

Drawing Modifications

BWMS, SOx Scrubber Commissioning

LNG FGSS Commissioning & Gas Trial

Commissioning

Commissioning

Commissioning is the foundation of ISSAC E&C and our most core business area.

Pre-commissioningExecution (MC included)

In the pre-commissioning stage, the following items are mainly inspected.

Detailed Execution Items by Field

Commissioning Execution

The main inspection items of commissioning are as follows.

Pre-commissioning Witnessing

Pre-commissioning witnessing is conducted only for the following major commissioning items.

Preliminary Checks

Preliminary checks are the most preliminary work in commissioning practice, a procedure to cross-verify whether the construction contractor has completed the pre-commissioning stage, and inspections are conducted on a subsystem basis.

Mechanical Equipment

1. Document Review

2. Equipment Review

Electrical Equipment

1. Document Review

2. Equipment Review

Instrumentation Equipment

1. Document Review

2. Equipment Review

Functional Tests

Functional Test Execution

Test Report Preparation

Database Input

Reference Materials

Piping and Vessels Preparation

Piping and vessel preparation items are carried out in the following main areas.

Operational Checks

Operational checks are carried out in the following main areas.

Support Activities

Support activities are carried out in the following main areas.

Documentation Tasks

DATABASE

Drawing Modifications

BWMS, SOx Scrubber Commissioning

LNG FGSS Commissioning & Gas Trial

Pre-commissioning
Execution (MC included)