Jozini – Ingwavuma Provision of Bulk Water Supply Infrastructure And
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BUSINESS JOZINI – INGWAVUMA PLAN PROVISION OF BULK March 2009 WATER SUPPLY INFRASTRUCTURE AND PURIFIED WATER SUPPLY BUSINESS PLAN SUBMITTED BY :- uMkhanyakude District Municipality PO Box 449 Mkuze 3935 Tel: 035 573 8600 Fax: 035 573 1386 Email: [email protected] Mhlathuze Water PO Box 1264 Richards Bay 3900 Tel : 035 902 1000 Fax : 035 902 1111 Email : [email protected] PD Naidoo & Associates Consulting Engineers (Pty) Ltd PO Box 1115 Richards Bay Tel : 035 – 789 0236 Fax : 035 – 789 0239 Email : [email protected] JOZINI – INGWAVUMA PROVISION OF BULK WATER SUPPLY INFRASTRUCTURE AND PURIFIED WATER SUPPLY EXECUTIVE SUMMARY............................................................................................................ 1 1. INTRODUCTION .............................................................................................................. 3 1.1 Project Title................................................................................................................. 3 1.2 Project Name .............................................................................................................. 3 1.3 Location of Scheme .................................................................................................... 3 1.4 Project Objectives....................................................................................................... 3 1.5 Purpose of Feasibility Study........................................................................................ 4 1.6 Overview of Regional Planning / Studies..................................................................... 4 2. NEED DETERMINATION ................................................................................................. 5 2.1 Demographics............................................................................................................. 5 2.1.1 Current Population .................................................................................................. 5 2.1.2 Growth Projections.................................................................................................. 5 2.2 Demand / Need Parameters........................................................................................ 6 2.2.1 Service Levels (Volumetric)..................................................................................... 6 2.2.2 Flow Rates.............................................................................................................. 6 2.2.3 Quality..................................................................................................................... 6 3. ENGINEERING VIABILITY ............................................................................................... 7 3.1 Options Considered .................................................................................................... 7 3.1.1 Source .................................................................................................................... 7 3.1.1.1 Hydrological / Geohydrological Analysis.......................................................... 7 3.1.1.2 Water Balance (DWAF)................................................................................... 7 3.1.1.3 Medium / Long Term Sustainability.................................................................. 8 3.1.2 Infrastructure........................................................................................................... 8 3.1.2.1 Power Supply .................................................................................................. 8 3.1.2.2 Generators ...................................................................................................... 8 3.1.2.3 Water Treatment ............................................................................................. 8 3.1.2.4 Bulk Mains; Options......................................................................................... 9 3.1.2.5 Water Reticulation ......................................................................................... 13 3.1.2.6 Dispensing .................................................................................................... 14 3.1.3 Water Quality ........................................................................................................ 14 3.2 Engineering Consideration........................................................................................ 14 3.2.1 Planning Norms and Design Parameters .............................................................. 14 3.2.2 Existing Infrastructure ........................................................................................... 15 3.2.3 Proposed Infrastructure......................................................................................... 16 3.2.3.1 Physical Design Considerations .................................................................... 16 3.2.3.2 Bill of Quantities ............................................................................................ 16 4. INSTITUTIONAL SUSTAINABILITY ............................................................................... 18 4.1 Community Structures............................................................................................... 18 4.1.1 Organisations and Leadership Profiles.................................................................. 18 4.1.2 Level of Community Awareness and Development ............................................... 18 4.1.3 Income Levels and Sources of Income.................................................................. 19 4.1.4 Community Involvement........................................................................................ 19 4.2 Water Service Authority ............................................................................................ 19 i 4.2.1 Responsibility........................................................................................................ 19 4.2.2 Status and Proficiency .......................................................................................... 19 4.3 Water Service Provider ............................................................................................. 19 4.3.1 Section 78 Determination...................................................................................... 19 4.3.2 Status and Proficiency of Selected WSP............................................................... 19 4.3.3 Consumer Customer Relationship......................................................................... 20 4.4 Legal Requirements.................................................................................................. 20 4.4.1 Water Use Registration (DWAF) ........................................................................... 20 4.4.2 Project Registration (DEA) .................................................................................... 20 5. ECONOMIC / SOCIO ECONOMIC ANALYSIS............................................................... 20 5.1 Infrastructure............................................................................................................. 20 5.1.1 Initial Capital Investment Cash Flow ..................................................................... 20 5.1.2 Long Term Operation and Maintenance Cost........................................................ 22 5.1.3 Replacement / Refurbishment Cycle Cost............................................................. 23 5.2 Social and Socio Economic Opportunities................................................................. 23 5.3 Training, Facilitation and Capacity Building Scope of Work....................................... 23 5.4 Cost Estimates.......................................................................................................... 24 5.5 Net Present Value / Socio Economic Quantification .................................................. 25 6. FINANCIAL VIABILITY ................................................................................................... 25 6.1 Capital Investment .................................................................................................... 25 6.1.1 Funding sources ................................................................................................... 25 6.2 Long Term Operation and Maintenance.................................................................... 25 6.2.1 Cost Recovery ...................................................................................................... 25 6.2.2 Deficit Funding ...................................................................................................... 26 7. ENVIRONMENTAL ACCEPTABILITY ............................................................................ 26 7.1 Natural Environment Impact Assessment Scoping Exercise ..................................... 26 7.2 Social Environment................................................................................................... 26 7.2.1 Relocation Considerations .................................................................................... 26 7.2.2 Socio-economic Opportunity Maximisation............................................................ 26 7.3 Environmental Management Plan ............................................................................. 27 8. CONCLUSION................................................................................................................ 27 9. RECOMMENDATION....................................................................................................