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Final Report, August 2014A-2-1

APPENDIX 1: MAPPING OF THE STAGE 2 COMMERCIAL AND DOMESTICDISTRIBUTION PIPELINE NETWORK EXPANSION, AND PIPELINESPECIFICATIONS1. MAPSFinal Report, August 2014A-1

Final Report, August 2014A-2

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2.DISTRIBUTION AREAS – PHASE 1Cape Town Distribution Pipeline Network - Stage 1MaterialAPI 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42Diameter Pressure(barg)15151515151515151515Ave OpPressure(barg)12121212121212121212API 5L X4260.32.802421512API 5L X4288.93.1022071512API 5L X42API 5L X42API 5L X42API 5L X42API 5L 08313656278126915151515151212121212API 5L X4260.32.8014231512API 5L X42114.33.0022991512API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L 5151515151512121212121212121212API 5L X42457.012.701071512API 5L X42457.012.701101512API 5L X42457.012.7012331512API 5L X42API 5L X42457.060.312.702.80153917815151212Final Report, August sies RiverBeaconvale&Elsies RiverBeaconvale&Elsies RiverBellvilleBellvilleBottelary SpurContermanskloofCrammix BottlaryspurCrammix BottlaryspurCrammix BottlaryspurDistr Main lineDistr Main lineDistr Main lineDistr Main lineDistr Main lineDistr Main lineDistr Main lineDistr Main lineDistr Main lineDistr Main lineEppingDistr Main lineEppingDistr Main lineEppingDistr Main lineEppingEppingCapacitycommitted(Nm³/h)84 Nm³/h87 Nm³/h171 Nm³/h45 Nm³/h681 Nm³/h1 127 Nm³/h552 Nm³/h2 441 Nm³/h3 068 Nm³/h290 Nm³/h54 Nm³/h584 Nm³/h390 Nm³/h477 Nm³/h625 Nm³/h474 Nm³/h4 068 Nm³/h87 Nm³/h917 Nm³/h2 691 Nm³/h25 578 Nm³/h25 946 Nm³/h25 946 Nm³/h20 498 Nm³/h21 494 Nm³/h26 235 Nm³/h53 438 Nm³/h57 506 Nm³/h52 684 Nm³/h49 037 Nm³/h49 037 Nm³/h48 467 Nm³/h51 766 Nm³/h303 Nm³/hA-8

API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L 2121212121212121212121212121212API 5L X4260.32.802281512API 5L X42168.04.8018991512API 5L X42168.04.8040811512API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L X42API 5L 1212121212API 5L X4260.32.803541512API 5L X4260.32.803861512API 5L X4288.93.105711512API 5L X4288.93.1039921512API 5L X42114.33.0049881512Final Report, August ngEppingEppingEppingEppingEppingEppingKillarney GardensKillarney GardensKillarney GardensKillarney alSack CircleSack CircleSaltriver, Ndebeni& MaitlandSaltriver, Ndebeni& MaitlandSaltriver, Ndebeni& MaitlandSaltriver, Ndebeni& MaitlandSaltriver, Ndebeni& Maitland303 Nm³/h384 Nm³/h267 Nm³/h570 Nm³/h1 180 Nm³/h504 Nm³/h490 Nm³/h1 215 Nm³/h917 Nm³/h2 729 Nm³/h19 418 Nm³/h20 598 Nm³/h18 928 Nm³/h20 726 Nm³/h351 Nm³/h51 Nm³/h654 Nm³/h885 Nm³/h43 Nm³/h3 122 Nm³/h3 025 Nm³/h49 Nm³/h24 Nm³/h129 Nm³/h368 Nm³/h225 Nm³/h1 694 Nm³/h1 718 Nm³/h2 307 Nm³/h3 955 Nm³/h4 084 Nm³/h2 988 Nm³/h1 074 Nm³/h1 397 Nm³/h276 Nm³/h333 Nm³/h447 Nm³/h157 Nm³/h2 441 Nm³/hA-9

3. LEGISLATION, OPERATING AND TECHNICAL STANDARDS, CODES ANDSPECIFICATIONSPipeline Protection and Cathodic Protection System:SANS 10121Cathodic Protection of Buried and Submerged StructuresGas Transmission and Distribution Piping System:ASME B31American Society of Mechanical Engineers Code for Pressure PipingASME B31.3 (2002 Edition)Process Piping AbovegroundASME B31.8 (1999 Edition)Gas Transmission and Distribution Piping SystemsSANS 1200 DB-1999Earthworks (Pipe Trenches)SANS 1200 LG-1983Pipe JackingSANS 1200 GA-1983Concrete (Small Works)API 6DAmerican Petroleum Institute Standard for Pipeline ValvesAPI 5LAmerican Petroleum Institute Standard for PipesAPI Standard 1104American Petroleum Institute Standard for Field Welding of PipelinesDIN 54-109-10/16 for SteelImage Quality IndicatorISO 13628-2Flexible Pipe Systems for Subsea and Marine ApplicationsISO 13628-7.2Design and Operation of Subsea Production SystemsBS PD 8010 Part 2British Standard Code of Practice for Subsea PipelinesSANS 10199The Design and Installation of an Earth Electrode SpecificationsSANS 15589Natural Gas Industries: Cathodic Protection of Pipeline Transportation SystemsASTM A518American Standard Test Method Specification for Corrosion Resistant High Silicon IronCastingsASTM D149Standard Test Method for Dielectric Breakdown VoltageASTM D1248Polyethylene Plastic Moulding and Extrusion MaterialsASTM D3222Standard Specification for Unmodified Poly-Vinylidene Fluoride (PVDF) MouldingExtrusion and Coating MaterialASTM E186Standard Reference Radiographs for Heavy Walled (51 to 114 mm) Steel CastingsASTM G57Method for Field Measurement of Soil Resistivity Using the Wenner Four ElectrodeMethodNACE RP0169National Association of Corrosion Engineers Control of External Corrosion onUnderground or Submerged, Metallic Piping SystemsNACE RP0177Mitigation of Alternating Current and Lightning Effects on Metallic Structures andCorrosion Control SystemsNACE RP0286Electrical isolation of Cathodically Protected PipelinesNACE RP0572Design, Installation, Operation and Maintenance of Impressed Current Deep GroundBedsNACE Pub10A190Measurement Techniques Related to Criteria for CP of Underground or SubmergedSteel Piping SystemsBS 7361British Standard: Cathodic Protection Part 1: Code of Practice for Land and MarineApplicationsDIN 50929Probability of Corrosion of Metallic Materials when Subject to Corrosion from theOutsideASTM D2200-67American Society for Testing of Materials, Standard Pictorial Surface PreparationStandards for Painting Steel SurfacesElectrical Installations:Final Report, August 2014A-10

SANS 10142-1The Wiring of Premises Part 1: Low-Voltage InstallationsSANS 10108The Classification of Hazardous Locations and the Selection of Apparatus for Use inSuch LocationsSANS 10089-2The Petroleum Industry Part 2: Electrical installations in the Distribution and MarketingSectorSANS 1411-1Materials of Insulated Electric Cables and Flexible Cords Part 1: ConductorsSANS 1411-2Materials of Insulated Electric Cables and Flexible Cords Part 2: Polyvinyl Chloride (PVC)SANS 1411-3Materials of Insulated Electric Cables and Flexible Cords Part 3: ElastomersSANS 1411-4Materials of Insulated Electric Cables and Flexible Cords Part 4: Cross-linkedPolyethylene (XLPE)SANS 1411-5Materials of Insulated Electric Cables and Flexible Cords Part 5: Halogen-free, FlameRetardant MaterialsSANS 1411-6Materials of Insulated Electric Cables and Flexible Cords Part 6: ArmourSANS 1507-1Electric Cables with Extruded Solid Dielectric Insulation for Fixed Installations (300/500V to 1900/3300 V) Part 1: GeneralSANS1507-2Electric Cables with Extruded Solid Dielectric Insulation for Fixed Installations (300/500V to 1900/3300 V) Part 2: Wiring CablesSANS 1507-3Electric Cables with Extruded Solid Dielectric Insulation for Fixed Installations (300/500V to 1900/3300 V) Part 3: PVC Distribution CablesSANS 1507-4Electric Cables with Extruded Solid Dielectric Insulation for Fixed Installations (300/500V to 1900/3300 V) Part 4: XLPE distribution cablesSANS 1507-5Electric cables with extruded solid dielectric insulation for fixed installations (300 / 500V to 1900 / 3300 V) Part 5: Halogen-free Distribution CablesSANS 1507-6Electric Cables with Extruded Solid Dielectric Insulation for Fixed Installations (300/500V to 1900/3300 V) Part 6: Service CablesSANS 549Intrinsically Safe Electrical ApparatusSANS 555Unused and Reclaimed Mineral Insulating Oils for Transformers and SwitchgearSANS 767Earth Leakage Protection UnitsSANS 60745-1Safety of Handheld Motor Operated Electrical Tools Part 1. General RequirementsGeneral Standards:BS 6001(ISO 2859-1)Sampling Procedures for Inspection by Attributes Part 1: Specification for SamplingPlans Indexed by Acceptable Quality Levels (AQL) for Lot-by-Lot InspectionSANS 10105The Classification, Use and Routine Maintenance of Fire-Fighting AppliancesSANS 1125Room Air Conditioners and Heat PumpsSANS 1186Symbolic Safety SignsSANS 10328Methods for Environmental Noise Impact AssessmentsISO 14001Environmental Management Systems: Specifications with Guidance for UseISO 14004Environmental Management Systems: General Guidelines and Principles, Systemsand Supporting TechniquesOHSAS 18001Health and Safety Management SystemsISO 9001Quality Management Systems StandardsSANS 29001: 2009Natural Gas Industries: Sector Specific Quality Management Systems: Requirementsfor Product and Service Supply OrganizationsANS 14520: 2008Gaseous Fire-Extinguisher SystemsFinal Report, August 2014A-11

APPENDIX 2: RISK ASSESSMENT1.NOTIFICATION OF MAJOR HAZARD INSTALLATIONPrior to the assessment of the potential impact of the various accidental spills, reference needs to bemade to the legislation, regulations and guidelines governing the operation of the development.Section 1 of the Occupational Health and Safety Act (OHS Act; Act No. 85 of 1993) defines a "majorhazard installation" to mean an installation:“(a)Where more than the prescribed quantity of any substance is or may be kept, whetherpermanently or temporarily;(b)Where any substance is produced, processed, used, handled or stored in such a formand quantity that it has the potential to cause a major incident (our emphasis).“It should be noted that if either (a) or (b) is satisfied, the Major Hazard Installation (MHI) regulationswill apply. The prescribed quantity of a chemical can be found in Section 8(1) of the GeneralMachinery Regulation 8.A major incident is defined as: "an occurrence of catastrophic proportions, resulting from the use ofplant and machinery or from activities at a workplace”. Catastrophic in this context means loss of lifeand limbs or severe injury to employees or members of the public, particularly those who are in theimmediate vicinity.It is important to note that the definition refers to an occurrence, whereas Section 1b) refers to thepotential to cause a major incident. If the potential to cause a major incident exists, then the OHS Actand the Major Hazard Installation regulations will apply (our emphasis).On the 16th of January 1998, the MHI regulations were promulgated under the OHS Act (Act No. 85 of1993), with a further amendment on the 30 th of July 2001. The provisions of the regulations apply toinstallations that have on their premises a certain quantity of a substance that can pose a significantrisk to the health and safety of employees and the public.The scope of application given in Section 2 of the MHI regulations is as follows:“(1)Subject to the provisions of Subregulation (3) these regulations shall apply to employers,self-employed persons and users, who have on their premises, either permanently ortemporarily, a major hazard installation or a quantity of a substance which may pose arisk that could affect the health and safety of employees and the public (our emphasis);(2)These regulations shall apply to local governments, with specific referenceto Regulation 9. “It is important to note that the regulations refer to a substance, and furthermore the regulations areapplicable to risks posed by the substance and NOT merely the potential consequences (ouremphasis).Final Report, August 2014A-12

The regulations essentially consist of six parts, namely:Duties for notification of a Major Hazard Installation (existing or proposed), including:1.a.b.Fixed (see List 1);Temporary installations;The minimum requirements for a quantitative risk assessment (see List 2);2.3.4.5.6.The requirements of an on-site emergency plan (see List 3);The reporting steps of risk and emergency occurrences (see List 4);The general duties required of suppliers;The general duties required of local government.Notification of installation (List 1) indicates that:Applications need to be made in writing to the relevant local authority and the provincialdirector for permission: oTo erect any Major Hazard Installation;oPrior to the modification of any existing installation that may significantly increase the riskrelated to it (e.g. an increase in the storage or production capacity or alteration of theprocess);Applications need to include the following information: oPhysical address of installation;oComplete material safety data sheets of all hazardous substances;oMaximum quantity of each substance envisaged to be on the premises at any one time;oThe risk assessment of the installation (see List 2);oAny further information that may be deemed necessary by an inspector in the interests ofhealth and safety to the public;Applications need to be advertised in at least one newspaper serving the surroundingcommunities and by way of notices posted within these communities.Final Report, August 2014A-13

The risk assessment (List 2): Is the process of collecting, organising, analysing, interpreting, communicating andimplementing information in order to identify the probable frequency, magnitude and natureof any major incident which could occur at a Major Hazard Installation and the measuresrequired to remove, reduce or control the potential causes of such an incident; Needs to be undertaken at intervals not exceeding 5 years and needs to be submitted to therelevant local emergency services; Must be made available in copies to the relevant health and safety committee and 60 daysmust be given to comment thereon and ensure that the results of the assessment be madeavailable to any relevant representative or committee to comment thereon; Should be undertaken by competent person(s) and include the following: oA general process description;oA description of major incidents associated with this type of installation and theconsequences of such incidents (including potential incidents);oAn estimation of the probability of a major incident;oThe on-site emergency plan;oAn estimation of the total result in the case of an explosion;oAn estimation of the effects of thermal radiation in the case of fire;oAn estimation of concentration effects in the case of a toxic release;oPotential effects of a major incident on an adjacent major hazard installation or partthereof;oPotential effects of a major incident on any other installation, members of the public(including all persons outside the premises) and on residential areas;oMeteorological tendencies;oSuitability of existing emergency procedures for the risks identified;oAny requirements laid down in terms of the Environmental Conservation Act of 1989(Act No. 73 of 1989);oAny organisational measures that may be required;oThe employer shall ensure that the risk assessment is of an acceptable standard and shallbe reviewed should: It be suspected that the preceding assessment is no longer valid; Changes in the process that affect hazardous substances; Changes in the process that involve a substance that resulted in the installation beingclassified a Major Hazard Installation or in the methods, equipment or procedures forthe use, handling or processing of that substance; Incidents that have brought the emergency plan into operation and may affect theexisting risk assessment;Must be made available at a time and place and in a manner agreed upon between parties forscrutiny by any interested person that may be affected by the activities.Final Report, August 2014A-14

Requirements related to the on-site emergency plan (List 3) are:After submission of the notification, the following shall be established: oAn on-site emergency plan must be made available and must be followed inside thepremises of the installation or the part of the installation classified as a Major HazardInstallation, in consultation with the relevant health and safety representative or therelevant health and safety committee;oThe on-site emergency plan must be discussed with the relevant local government, takinginto consideration any comment on the risk related to the health and safety of the public;oThe on-site emergency plan must be reviewed and where necessary updated, inconsultation with the relevant local government, at least once every three years;oA copy of the on-site emergency plan must be signed in the presence of two witnesses,who shall attest the signature;oThe on-site emergency plan must be readily available at all times for implementation anduse;oAll employees must be conversant with the on-site emergency plan;oThe on-site emergency plan must be tested in practice at least once a year, and a recordmust be kept of such testing;Any employer, self-employed person and user owning or in control of a pipeline that couldpose a threat to the general public shall inform the relevant local government and shall bejointly responsible with the relevant local government for the establishment andimplementation of an on-site emergency plan. In reporting of risk and emergency occurrences (List 4):Following an emergency occurrence, the user of the installation shall: oSubject to the provisions of Regulation 6 of the General Administrative Regulations, within48 hours by means of telephone, facsimile or similar means of communication inform thechief inspector, the provincial director and relevant local government of the occurrence ofa major incident or an incident that brought the emergency plan into operation or anynear miss;oSubmit a report in writing to the chief inspector, provincial director and local governmentwithin seven days;oInvestigate and record all near misses in a register kept on the premises, which shall at alltimes be available for inspection by an inspector and local government representatives.The duties of the supplier refer specifically to: The supplying of material safety data sheets for the hazardous substances employed orcontemplated in the installation; Assessment of the circumstances and substance involved in an incident or potential incidentand the informing all persons being supplied with that substance of the potential dangerssurrounding it;Final Report, August 2014A-15

Provision of a service that shall be readily available on a 24-hour basis to all employers, selfemployed persons, users, relevant local government and any other body concerned to provideinformation and advice in the case of a major incident with regard to the substance supplied.The duties of local government are summarised as follows:“9. (1)Without derogating from the provisions of the National Building Regulations andBuilding Standards Act of 1977 (Act No. 103 of 1977), no local government shall permitthe erection of a new major hazard installation at a separation distance less than thatwhich poses a risk to:(a)Airports;(b)Neighbouring independent major hazard installations;(c)Housing and other centres of population; or,(d)Any other similar facility Provided that the local government shall permit new property development only where there isa separation distance which will not pose a risk (our emphas

API 5L X42 60.3 2.80 215 15 12 Atlantis 84 Nm³/h API 5L X42 60.3 2.80 662 15 12 Atlantis 87 Nm³/h API 5L X42 60.3 2.80 1093 15 12 Atlantis 171 Nm³/h API 5L X42 60.3 2.80 1237 15 12 Atlantis 45 Nm³/h API 5L X42 88.9 3.10 287 15 12 Atlantis 681 Nm³/h API 5L X42

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