Republic of Zambia Road Development Agency (RDA) DATA COLLECTION SURVEY ON TRANSPORT AND INFRASTRUCTURE DEVELOPMENT ALONG NACALA CORRIDOR FINAL REPORT March 2019 Japan International Cooperation Agency Nippon Engineering Consultants Co., Ltd. 6R JR 19-010 Data Collection Survey on Transport and Infrastructure Development along Nacala Corridor Photos Location Map of the Areas Surveyed Abbreviations 1. Introduction ................................................................. 1 1.1 Background of the Survey.................................................. 1 1.2 Purpose of this Survey .................................................... 1 1.3 Efforts to Shorten On-site Survey Period ...................................... 2 1.4 Survey Schedule ......................................................... 2 2. Current Status of Transport and Infrastructure Development along Nacala Corridor ......... 3 2.1 Importance of Nacala Corridor .............................................. 5 2.2 Current Status of Nacala Corridor Development ................................ 8 2.3 Current Status of Support Provided by Japan and Other Donors ................... 10 2.4 Effects Expected from Nacala Corridor Development ........................... 11 2.5 Challenges Facing Nacala Corridor Development .............................. 11 3. National Development Plans ................................................... 12 3.1 Current Status of Transport Sector Development in Zambia ...................... 12 4. Implementation system of Zambia .............................................. 14 5. Basic Information for Rebuilding of Luangwa Bridge ............................... 15 5.1 Natural Conditions ...................................................... 15 1) Weather ............................................................... 1 5 2) River ................................................................. 16 3) Topography ............................................................ 18 4) Geology ............................................................... 1 9 5.2 Present state of Luangwa Bridge ........................................... 23 5.3 Necessity for reconstruction ............................................... 25 6. Traffic Volume ............................................................. 26 6.1 Present traffic volume .................................................... 26 6.2 Future traffic volume .................................................... 32 7. Bridge Plan ................................................................ 33 7.1 Bridge location ......................................................... 33 7.2 Bridge type ............................................................ 37 7.3 Project section .......................................................... 39 7.4 Design Standard ........................................................ 39 7.5 Construction schedule .................................................... 39 7.6 Summary of bridge plan .................................................. 40 8. Considerations in Subsequent Studies ........................................... 40 Appendix A – Collected materials and reports ......................................... 41 Appendix B – Projection Section Plan ............................................... 42 Appendix C – Bridge General View ................................................. 44 Appendix D – Geological Survey Result ............................................. 45 Appendix E – Topographic Survey Result ........................................... 118 Appendix F – Traffic Survey Result ················································ 123 Figure 1.4-1 Work flow ............................................................ 2 Figure 2-1 Location map of Nacala Corridor ........................................... 4 Figure 4-1 Organization chart of RDA Headquarters .................................... 14 Figure 5.1-1 Rainfall and temperature around Luangwa Bridge ........................... 15 Figure 5.1-2 Cross-section of the river at the location for a new bridge ...................... 17 Figure 5.1-3 Geological cross section at the planned bridge site ........................... 21 Figure 6.1-1 Road traffic conditions on each corridor ................................... 27 Figure 6.1-2 Characteristics of traffic on the Nacala Corridor ............................. 28 Figure 6.1-3 Characteristics of traffic on the Nacala Corridor ............................. 29 Figure 6.1-4 Characteristics of traffic on Luangwa Bridge ............................... 30 Figure 6.1-5 Characteristics of traffic on Luangwa Bridge ............................... 31 Figure 6.1-6 Characteristics of traffic on the roads to Chirundu Bridge and Livingstone ........ 31 Figure 6.2-1 Traffic diversion to the Port of Nacala ..................................... 32 Figure 7.1-1 Comparison of candidate routes .......................................... 34 Figure 7.1-2 Cross Section of Bridge Location ........................................ 36 Table 2-1 Current status of road development by road classification ......................... 3 Table 2.1-1 Distance between Lusaka and other major cities in Southern Africa ................ 6 Table 2.1-2 Comparison of transportation costs and time between different corridors from Lusaka . 6 Table 2.1-3 Transportation ratio for each corridor in Zambia (2016) ......................... 6 Table 2.1-4 Transportation ratio for each corridor in Zambia (Export 2016) ................... 7 Table 2.1-5 Transportation ratio for each corridor in Zambia (Import 2016) ................... 7 Table 2.1-6 Zambia's major trading partners ........................................... 8 Table 2.2-1 Current status of Nacala Corridor development ............................... 8 Table 3.1-1 Areas of responsibility of the ministries .................................... 14 Table 5.2-1 Present state of Luangwa Bridge .......................................... 23 Table 5.2-2 History of Luangwa Bridge .............................................. 24 Table 5.2-3 Examples of reinforcements ............................................. 24 Table 6.1-1 Results of hearing survey about traffic volume on Luangwa Bridge ............... 27 Table 6.1-2 Traffic Count for 24 Hours (1 – 2 Feb, 2019) ................................ 30 Table 7.1-1 Comparison of candidate routes .......................................... 35 Table 7.2-1 Depth to Base of Footing and Vertical Bearing Capacity ....................... 37 Table 7.2-2 Comparison of bridge types .............................................. 38 Table 7.2-3 Comparison of foundation the substructure in river channel ..................... 38 Table 7.3-1 Project section ........................................................ 39 Table 7.4-1 Major design condition ................................................. 39 Table 7.5-1 Proposed construction schedule ........................................... 39 Photo 2.2-1 Current status of Nacala Corridor development ............................... 9 Photo 5.1-1 Mainstream alignment of Luangwa River ................................... 16 Photo 5.1-2 Luangwa River in the dry season ......................................... 17 Photo 5.1-3 A distant view of the undercut slope on the right bank side (Lusaka side) .......... 18 Photo 5.1-4 The slope between the riverbed and river terrace on the left bank side (Malawi side) . 18 Photo 5.1-5 The villages on the river terrace on the left bank side (Malawi side) .............. 19 Photo 5.1-6 Gneiss outcrop (by the access road on the left-bank side of the Luangwa River) ..... 19 Photo 5.1-7 Gneiss outcrop and fallen rocks along a cut slope (access road on the right-bank side) 19 Photo 5.1-8 Boring survey at BH-1 (right bank)........................................ 20 Photo 5.1-9 Boring survey at BH-1' (right bank) ....................................... 20 Photo 5.1-10 Boring survey at BH-2 (mid-channel) ..................................... 20 Photo 5.1-11 Boring survey at BH-3 (left bank) ........................................ 20 Photo 5.1-12 River stage at BH-1' (right bank) ........................................ 20 Photo 5.1-13 Cores taken at BH-1' (right bank) ........................................ 20 Photo 5.1-14 (BH-3) Boring core (fine sand and silty sand, weathered gneiss occurring along cracks at depths of GL-8.5 m or more) ............................................ 22 Photo 5.1-15 (BH-3) Boring core (gneiss, cracky hard rock at depths down to GL-20.0 m, hard rock at depths greater than GL-20.0 m) .......................................... 22 Photos A view of Luangwa River from the Lusaka Traffic restriction on Luangwa Bridge side Heavy-duty vehicles waiting for passing Steep slope and sharp curve on the access Luangwa Bridge road to the bridge on the Lusaka side A boring survey on the sand riverbed of Luangwa River Launching a fixed-w in g UAV Location Map of the Areas Surveyed Tanzania Angola Malawi Zambia Mozambique Zimbabwe Tanzania Nacala ナカラ回廊 Corridor Zambia DRC Luangwa Bridge (1) Structure: 3-span continuous steel cable-stayed bridge Mozambique (2) Bridge length: L=302m Zimbabwe (3) Span arrangement: 40 + 222 + 40 m (4) Completion: 1968 (5) Repair history: 1) 1974: Bolt replacement 2) 1981: Bolt replacement, adjustment of cable tension 3) 1998: Addition of floor beams, addition of steel plates to girders, cable replacement, main tower reinforcement, etc. Abbreviations Abbreviation Formal name 7NDP 7 th National Development Plan AADT