Common use of Interpretation and terminology Clause in Contracts

Interpretation and terminology. The following abbreviations are used in this Works Information: Abbreviation Meaning Given to the abbreviation NEC New Engineering Contract ECC Engineering & Construction Contract SOW Scope of Work HP High Pressure LP Low Pressure SAIW South African Institute of Welding IWS International Welding Supervisor IWP International Welding Practitioner IW International Welder DA Dearator DST Dearator Storage Tank EFP Electric Feed Pump SFP Steam Feed Pump BFPT Boiler Feed Pump Turbine CDV Condenser Drain Vessel GSC Gland Steam Condenser SAE Steam Air Ejector WAE Water Air Ejector NRV Non-Return Valve RFWT Reverse Flow Water Tank MOT Main Oil Tank FRF Fire Resistant Fluid IP Intermediate Pressure H2 Hydrogen FW Feed Water CW Cooling Water Circ P/P Circulating Pump FAC Flow Accelerated Corrosion WPQR Welding Procedure Quality Record PQR Procedure Quality Record WPS Welding Procedure Specification NDT Non-Destructive Testing MPI Magnetic Particle Inspection UT Ultrasonic Testing PT Penetrate Testing PWHT Post Weld Heat Treatment HT Hardness Testing PMI Material Identification RT X-Rays FME Foreign Material Exclusion WRR Weld Repair Rate LAR Limited Access Register GO General Overhaul IR Interim IN/AD Inspection/Air Heater & Ducting Inspection HC Hot Condenser CC Cold Condenser S/S Stainless Steel M/S Mild Steel C/S Carbon Steel NB Nominal Bore NB Note M Meters MM Millimetres 0 Degrees % Percentage M/L Meter Level LH Left Hand RH Right Hand P/P Pump Isol Isolating Ctrl Control Reg Regulating Mot Motorized ASS Assistant Shift Supervisor SPO Senior Plant Operator RP Responsible Person AS Authorized Supervisor AP Appointed Person QA Quality Assurance QC Quality Control QCP Quality Control Plan PTW Permit to Work Qty Quantity EA Each NT Normal Time OT Overtime EW Early Warning CE Compensation Event

Interpretation and terminology. The following abbreviations are used in this Works Information: Abbreviation Meaning Given given to the abbreviation AIA Appointed Inspection Authority Abbreviation Meaning given to the abbreviation AIA Authorised Inspection Agency (ASME) ACP Access Control Point ASN Autorité de sûreté nucléaire ASME American Society of Mechanical Engineers CRDMs Control Rod Drive Mechanism CSC Construction Status Certificate CSR Critically safety related CV Curriculum Vitae DCIF Document Change Identification Form DCRF Document Comment and Resolution Form DDL Deliverable Document List EDF Électricité de France FAT Factory Acceptance Test FFD Fitness For Duty FME Foreign Material Exclusion HPT Human Performance Training KNPS Koeberg Nuclear Power Station KOU Koeberg Operation Unit LTI Lost Time Injury Abbreviation Meaning given to the abbreviation NCR Non-Conformance Report NEC New Engineering Contract ECC NNR National Nuclear Regulator NRC Nuclear Regulatory Commission OCC Outage Control Centre OH&S Occupation Health and Safety PIT Plant Induction Training PQE Procurement Quality Engineering & Construction Contract SOW Scope of PSR Plant Safety Regulation PTW Permit To Work HP High Pressure LP Low Pressure SAIW South African Institute of Welding IWS International Welding Supervisor IWP International Welding Practitioner IW International Welder DA Dearator DST Dearator Storage Tank EFP Electric Feed Pump SFP Steam Feed Pump BFPT Boiler Feed Pump Turbine CDV Condenser Drain Vessel GSC Gland Steam Condenser SAE Steam Air Ejector WAE Water Air Ejector NRV NonQA Quality Assurance QAP Quality Assurance Plan QCP Quality Control Plans QADP Quality Assurance Data Package RIC In-Return Valve RFWT Reverse Flow Water Tank MOT Main Oil Tank FRF Fire Resistant Fluid IP Intermediate Pressure H2 Hydrogen FW Feed Water CW Cooling Water Circ P/P Circulating Pump FAC Flow Accelerated Corrosion WPQR Welding Procedure Quality Record PQR Procedure Quality Record WPS Welding Procedure Specification NDT Non-Destructive Testing MPI Magnetic Particle Inspection UT Ultrasonic Testing PT Penetrate Testing PWHT Post Weld Heat Treatment HT Hardness Testing PMI Material Identification RT X-Rays FME Foreign Material Exclusion WRR Weld Repair Rate LAR Limited Access Register GO General Overhaul IR Interim IN/AD Inspection/Air Heater & Ducting Inspection HC Hot Condenser CC Cold Condenser S/S Stainless Steel M/S Mild Steel C/S Carbon Steel NB Nominal Bore NB Note M Meters MM Millimetres 0 Degrees % Percentage M/L Meter Level LH Left Hand RH Right Hand P/P Pump Isol Isolating Ctrl Control Reg Regulating Mot Motorized ASS Assistant Shift Supervisor SPO Senior Plant Operator Core Instrumentation System RP Responsible Person AS Authorized Supervisor AP Appointed Person QA Quality Assurance QC Quality Control QCP Quality Control Plan PTW Permit RPVH Reactor Pressure Vessel Head SA South African SAPS South African Police Service Abbreviation Meaning given to the abbreviation SAQA South African Qualifications Authority SAR Safety Analysis Report SAT Affected Property Access Training SCEP Safety Culture Enhancement Programme SCC Safety Clearance Certificate SD&L Supplier Development and Localisation SR Safety Related TA Test Application TOI Temporary Operating instruction TOR Terms of Reference TCRs Training Change Requests TMG Training Management Group TRS Technical Requirement Specification T & S Travelling & Subsistence TSAR Topical Safety Analysis Report XXX Xxxx Xxxxxxxx Xxxxxxxx XX Xxxxxx Xxxxxx URS User Requirement Specification WC Work Qty Quantity EA Each NT Normal Time OT Overtime EW Early Warning CE Compensation EventCentre

Interpretation and terminology. The following abbreviations are used in this Works Information: Abbreviation Meaning Given given to the abbreviation NEC New AC Alternating Current AFC Approved for construction AKZ Anlangen Xxxx Zeichnung AVR Automatic Voltage Regulator C&I Control and Instrumentation CRR Coil Retaining Ring CT Current Transformer CW Cooling Water DC Direct Current DCS Distributed Control System DE Drive End ECS Excitation Control System EE Exciter End EHC Electro Hydraulic Converter FEM Finite Element model FMECA Failure Mode Effect and Criticality Analysis GCB Generator Circuit Breaker GCM Generator Condition Monitoring GGCM Global Generator Condition Monitor GI Guarantee Inspection GO General Overhaul GT PE Group Technology Division Plant Engineering Contract ECC GTD PE Group Technology Division Plant Engineering & Construction Contract SOW Scope of Work HP GTE Group Technology Engineering HAZLOC Hazardous Location HAZOP Hazard and Operability Analysis HV High Pressure Voltage IPB Isolated Phase Busbar ISO International Standards Organisation ITP Inspection and Test Plan kV Kilo Volt LDE Lead Discipline Engineer LP Low Pressure SAIW South African Institute of Welding IWS International Welding Supervisor IWP International Welding Practitioner IW International Welder DA Dearator DST Dearator Storage Tank EFP Electric Feed Pump SFP Steam Feed Pump BFPT Boiler Feed Pump Turbine CDV Condenser Drain Vessel GSC Gland Steam Condenser SAE Steam Air Ejector WAE Water Air Ejector NRV Non-Return Valve RFWT Reverse Flow Water Tank LV Low Voltage MCR Maximum Continuous Rating MIT Modification Impact Team MOT Main Oil Tank FRF Fire Resistant Fluid IP Intermediate Pressure H2 Hydrogen FW Feed Water CW Cooling Water Circ P/P Circulating Pump FAC Flow Accelerated Corrosion WPQR Welding Procedure Quality Record PQR Procedure Quality Record WPS Welding Procedure Specification MV Medium Voltage MVA Mega Volt Ampere (apparent power) MVAr Mega Volt Ampere reactive (reactive power) MW Mega Xxxxx (active power) NCR Non Conformance NDE Non Drive End NDT Non-Non Destructive Testing MPI Magnetic Particle Inspection UT Ultrasonic NTP Normal Temperature and Pressure OEM Original Equipment Manufacturer OHS Occupational Health and Safety P&ID Piping and Instrumentation Diagram PD Partial Discharge Pf Power Factor pH Percentage Hydrogen PSM Power Station Manager PTM Protection Testing PT Penetrate Testing PWHT Post Weld Heat Treatment HT Hardness Testing PMI Material Identification RT X-Rays FME Foreign Material Exclusion WRR Weld Repair Rate LAR Limited Access Register GO General Overhaul IR Interim IN/AD Inspection/Air Heater & Ducting Inspection HC Hot Condenser CC Cold Condenser S/S Stainless Steel M/S Mild Steel C/S Carbon Steel NB Nominal Bore NB Note M Meters MM Millimetres 0 Degrees % Percentage M/L Meter Level LH Left Hand RH Right Hand P/P Pump Isol Isolating Ctrl Control Reg Regulating Mot Motorized ASS Assistant Shift Supervisor SPO Senior Plant Operator RP Responsible Person AS Authorized Supervisor AP Appointed Person QA Quality Assurance and Metering PTW Permit to Work QC Quality Control QCP Quality Control Plan PTW Permit to Work Qty Quantity EA Each NT Normal Time OT Overtime EW Early Warning CE Compensation EventRAM Reliability, Availability, Maintainability RSA Republic of South Africa RTD Resistance Temperature Detector SAGC South African Grid Code SANS South African National Standards SCR Short Circuit Ratio SCW Stator Cooling Water SHE Safety Health and Environment TCP/IP Transmission Control Protocol/Internet Protocol TE Turbine End TEAM Thermal, Electrical, Ambient, Mechanical UCLF Unplanned Capability Loss Factor URS User Requirement Specification VCM Voltage Current Monitoring VT Voltage Transformer

Interpretation and terminology. The following (1) Table 1 and Table 2 contain the abbreviations are used and definitions in this Works Information, respectively. Table 1: Table of abbreviations Abbreviation Meaning Given Description 24/365 24 hours a day, 365 days a year AC Alternating Current AE Alarms and Events AKZ Anlagen-Kennzeichnungs-System ANSI American National Standards Institute ASA Acrylonitrile Styrene Acrylate ASD Aspirating Smoke Detection ATEX ATmosphere EXplosible C&I Control and Instrumentation CAPEX Capital Expenditure CE Communauté Européenne (“European Community”) CO Carbon Monoxide COC Certificate of Compliance Abbreviation Description XXX Centre of Excellence CPP Condensate Polishing Plant CPU Central Processing Unit CSV Comma-separated values C.V. Curriculum Vitae CW Cooling Water db Decibel DB Distribution Board DC Direct Current DIN Deutches Institut fur Normung (German Institute for Standardization) DMZ Demilitarised zone DPDT Double Pole Double Throw ECSA Engineering Council of South Africa e.g. “for example” EMC Electromagnetic Compatibility EMS Electrical Maintenance Services EN “European Standard” EOD Electrical Operator Desk Etc. Et cetera (“and the rest”) F/O Fibre optic FAT Factory acceptance test FDIA Fire Detection Installers Association FDS Fire Detection and Alarm System FM Factory Mutual FPS Fire Protection System GCD Group Capital Division H2 Hydrogen Gas HAZLOC Hazardous Location HD High Definition HMI Human Machine Interface HV High Voltage HVAC Heating, Ventilation and Air Conditioning i.e. “in other words” IEC International Electrotechnical Commission IMS Industrial Methylated Spirits ISO International Organisation for Standardisation I/O or IO Input or Output IP Ingress Protection IP Internet Protocol IR Infrared IT Information Technology ITP Inspection and Test Plan Abbreviation Description LAN Local Area Network LCD Liquid Crystal Display LCP Local Control Panel LDE Lead Discipline Engineer LED Light Emitting Diode LIM Lethabo Information Manual LOSS Limits of Supply and Services LPS Low Pressure Services LV Low Voltage MCB Miniature Circuit Breaker MCP Manual Call Point MCR Maximum Continuous Rating MMS Mechanical Maintenance Section MOT Main Oil Tank MTTF Mean time to the abbreviation NEC New Engineering Contract ECC Engineering & Construction Contract failure MTTR Mean time to repair MUT Multiple Unit Trip MV Medium Voltage MW Megawatt N/A Not Applicable NIDS Network Intrusion Detection System NO / NC Normally Open / Normally Closed NTP Network time protocol OEM Original Equipment Manufacturer OPC Object linking and embedding for process control OPEX Operation Expenditure OPCR Outside Plant Control Room OS Operating System OHSA Occupational Health and Safety Act OT Operational Technology PA Public Address PBS Plant Breakdown Structure PC Personal Computer PCM Process Control Manual PDD Project Development Department PDF Portable Document Format PPE Personal Protective Equipment PSE Power Supply Equipment PSS Plantstate Suite PVC Polyvinyl Chloride RAID Redundant Array of Independent Disks RAM Reliability, Availability and Maintainability Abbreviation Description RFI Radio Frequency Interference ROC Required Operational Capability SABS South African Bureau of Standards SANS South Africa National Standards SAQCC South Africa Qualification and Certification Committee SAT Site Acceptance Test SCADA Supervisory Control and Data Acquisition SIT Site Integration Test SLD Single Line Diagram SOW Scope of Work HP High Pressure LP Low Pressure SAIW South African Institute SPDT Single Pole Double Throw SRD Stakeholder Requirements Definition TCP Transmission Control Protocol TIFF Tagged Image File Format UA Unified Architecture UL Underwriters Laboratories UPS Uninterruptable Power Supply USB Universal Serial Bus UV Ultra-violet V Volt VDSS Vendor Document Submittal Schedule VLAN Virtual local area network VPN Virtual Private Network WEP Wired Equivalent Privacy WTP Water Treatment Plant Table 2: Table of Welding IWS International Welding definitions Definitions Description Alarm zone A geographical subdivision of the protected premises, in which the fire alarm warning can be given separately, and independently, of a fire alarm warning in any other alarm zone. (This is not necessarily the same zone as the detection zone). Authorised Supervisor IWP International Welding Practitioner IW International Welder DA Dearator DST Dearator Storage Tank EFP Electric Feed Pump SFP Steam Feed Pump BFPT Boiler Feed Pump Turbine CDV Condenser Drain Vessel GSC Gland Steam Condenser SAE Steam Air Ejector WAE Water Air Ejector NRV NonA person, whether an employee or a non-Return Valve RFWT Reverse Flow Water Tank MOT Main Oil Tank FRF Fire Resistant Fluid IP Intermediate Pressure H2 Hydrogen FW Feed Water CW Cooling Water Circ P/P Circulating Pump FAC Flow Accelerated Corrosion WPQR Welding Procedure Quality Record PQR Procedure Quality Record WPS Welding Procedure Specification NDT Non-Destructive Testing MPI Magnetic Particle Inspection UT Ultrasonic Testing PT Penetrate Testing PWHT Post Weld Heat Treatment HT Hardness Testing PMI Material Identification RT X-Rays FME Foreign Material Exclusion WRR Weld Repair Rate LAR Limited Access Register GO General Overhaul IR Interim IN/AD Inspection/Air Heater & Ducting Inspection HC Hot Condenser CC Cold Condenser S/S Stainless Steel M/S Mild Steel C/S Carbon Steel NB Nominal Bore NB Note M Meters MM Millimetres 0 Degrees % Percentage M/L Meter Level LH Left Hand RH Right Hand P/P Pump Isol Isolating Ctrl employee, who has been authorised in terms of the Plant Safety Regulations. Ensuring that the work on the plant covered by a permit to work is executed taking health and safety precautions into account and within the terms of the Plant Safety Regulations. Client It is the computer with its own hardware and software which communicates to its server. Station Control Reg Regulating Mot Motorized ASS Assistant Shift Supervisor SPO Senior Plant Operator RP Responsible Person AS Authorized Supervisor AP Appointed Person QA Quality Assurance QC Quality Control QCP Quality Control Plan PTW Permit Room Core functional entity and its associated physical structure, where the FDS operator is stationed to Work Qty Quantity EA Each NT Normal Time OT Overtime EW Early Warning CE Compensation Eventcarry out centralized control, monitoring and administrative responsibilities. Controlled Disclosure Controlled disclosure to external parties (either enforced by law, or discretionary).