Technical Assistance Consultant’s Report Project Number: 48098-001 November 2018 Islamic Republic of Pakistan: Balochistan Water Resources Development Project (Financed by the Japan Fund for Poverty Reduction) Pre-Feasibility Report – Zhob River Basin Prepared by: Techno-Consult International (Pvt.) Ltd. (Water Division) Karachi, Pakistan For: Irrigation Department, Government of Balochistan, Pakistan This consultant’s report does not necessarily reflect the views of ADB or the Government concerned, and ADB and the Government cannot be held liable for its contents. (For project preparatory technical assistance: All the views expressed herein may not be incorporated into the proposed project’s design. The Government of Balochistan PRE-FEASIBILITY OF ZHOB RIVER BASIN Balochistan Water Resources Development Project Preparatory Technical Assistance (TA 8800-PAK) 18th October, 2017 i ii Table of Contents 1 INTRODUCTION ........................................................................................................... 1 1.1 BACKGROUND OF BWRDP AND THE PPTA ASSIGNMENT ................................. 1 1.2 SELECTED RIVER BASINS AND POTENTIAL SUB-PROJECTS ................................ 1 1.3 ZHOB RIVER BASIN ........................................................................................ 2 1.4 POTENTIAL FOR WATER RESOURCES DEVELOPMENT IN ZHOB RIVER BASIN ....... 2 1.5 PPTA SCOPE OF SERVICES ........................................................................... 3 1.6 OUTLINE OF THE REPORT ............................................................................... 4 2 METHODOLOGY .......................................................................................................... 6 2.1 OPTION STUDY – SELECTION OF RIVER BASIN AND SUB-PROJECTS ................... 6 2.2 LAR AND SOCIAL RECONNAISSANCE/SCREENING SURVEYS .............................. 6 2.2.1 Community Consultations .......................................................................... 7 2.2.2 IR& IP Screening Surveys ......................................................................... 7 2.3 FIELD SURVEYS AND INVESTIGATIONS BY THE DESIGN TEAM ............................. 7 2.4 WATER ASSESSMENT AND WATER BALANCE AT THE SUB-PROJECT LEVEL ......... 8 2.5 CLIMATE CHANGE IMPACTS AND ADAPTATIONS ................................................. 8 2.6 EXISTING AND PROPOSED DESIGN OF IRRIGATED AGRICULTURE ........................ 9 2.7 LAND CAPABILITY ASSESSMENT AND SOIL AND WATER QUALITY ........................ 9 2.8 INITIAL ENGINEERING DESIGN OF SUB-PROJECTS ........................................... 10 2.9 EXISTING AND PROPOSED CROPPING PATTERN .............................................. 10 2.10 EXISTING AND PROPOSED CROPPING INTENSITY ............................................ 10 2.11 WATER RIGHTS AND LAND TENURE ............................................................... 10 2.12 RAPID ENVIRONMENTAL ASSESSMENT ........................................................... 11 2.13 ENGINEERING ESTIMATES ............................................................................. 11 2.14 ECONOMIC AND FINANCIAL ANALYSIS ............................................................ 12 3 STUDY RESULTS – ZHOB RIVER BASIN ................................................................. 13 3.1 CURRENT WATER BALANCE OF ZHOB RIVER BASIN ........................................ 13 3.2 SELECTED SUB-PROJECTS ........................................................................... 13 3.3 WATER AVAILABILITY OF POTENTIAL SUB-PROJECTS ...................................... 13 3.4 WATER REQUIRED FOR DEVELOPMENT OF SUB-PROJECTS IN BWRDP AND OTHER PIPELINE SUB-PROJECTS .................................................................. 14 3.5 CLIMATE CHANGE IMPACTS AND ADAPTATIONS ............................................... 14 3.6 AGRICULTURE AND WATERSHEDS ................................................................. 14 3.7 IR& IP SCREENING SURVEYS ....................................................................... 15 3.8 GENDER ASPECTS IN ZHOB RIVER BASIN ....................................................... 15 3.9 RAPID ENVIRONMENTAL ASSESSMENT ........................................................... 17 3.10 LAYOUT PLAN, INITIAL DESIGN AND ENGINEERING ESTIMATES OF POTENTIAL SUB- PROJECTS ................................................................................................... 18 3.11 ECONOMIC AND FINANCIAL ANALYSIS ............................................................ 18 3.12 ANALYSIS OF TARGETS ACCOMPLISHED ......................................................... 19 4 STUDY RESULTS – SUB-PROJECT LEVEL ............................................................. 21 4.1 AHMAD ZAI PERENNIAL AND FLOOD IRRIGATION SUB-PROJECT ........................ 21 iii 4.1.1 Area of sub-project ................................................................................... 21 4.1.2 Physical characteristics ............................................................................ 21 4.1.3 Proposed interventions ............................................................................ 22 4.1.4 Socio-economic profile ............................................................................. 23 4.1.5 IR and IP screening ................................................................................. 25 4.1.6 Environmental assessment ...................................................................... 27 4.1.7 Agriculture ................................................................................................ 28 4.2 SABAKZAI COMMAND AREA DEVELOPMENT SUB-PROJECT ............................... 33 4.2.1 Area of sub-project ................................................................................... 33 4.2.2 Physical characteristics ............................................................................ 33 4.2.3 Proposed interventions ............................................................................ 34 4.2.4 Initial cost estimates of the sub-project .................................................... 35 4.2.5 Socio-economic profile ............................................................................. 38 4.2.6 Environmental assessment ...................................................................... 41 4.2.7 Agriculture ................................................................................................ 42 4.3 SRI TOI STORAGE DAM IRRIGATION SUB-PROJECT ......................................... 51 4.3.1 Area of sub-project ................................................................................... 51 4.3.2 Physical characteristics ............................................................................ 51 4.3.3 Proposed interventions ............................................................................ 52 4.3.4 Socioeconomic Profile ............................................................................. 53 4.3.5 Environmental assessment ...................................................................... 57 4.3.6 Agriculture ................................................................................................ 58 4.3.7 Initial cost estimates ................................................................................. 59 4.3.8 Conclusions and recommendations ......................................................... 59 4.4 KILLI SARDAR AKHTER PERENNIAL IRRIGATION AND FLOOD SUB-PROJECT ....... 65 4.4.1 Area of sub-project ................................................................................... 65 4.4.2 Physical characteristics ............................................................................ 65 4.4.3 Proposed interventions ............................................................................ 66 4.4.4 Socio-economic profile ............................................................................. 67 4.4.5 IR and IP screening ................................................................................. 67 4.4.6 Environment assessment ......................................................................... 70 4.4.7 Agriculture ................................................................................................ 72 APPENDIX I: AHMEDZAI PERENNIAL AND FLOOD IRRIGATION SUB-PROJECT ....... 78 APPENDIX II: SABAKZAI IRRIGATION REHABILITATION SUB-PROJECT ................... 81 APPENDIX III: SIRI TOI STORAGE DAM IRRIGATION SUB-PROJECT .......................... 84 APPENDIX IV: KILLI SARDAR AKHTER PERENNIAL IRRIGATION SUB-PROJECT ..... 87 APPENDIX V: WATERSHED MANAGEMENT AND COMMAND AREA DEVELOPMENT INTERVENTIONS AT SUB-PROJECTS OF ZHOB RIVER BASIN ........... 90 APPENDIX VI: FINANCIAL ANALYSIS OF SUB-PROJECTS ........................................... 95 APPENDIX VII: REPORT ON COMPLAINT OVER SIRI TOI/ TANGI WAR DAM CORE SUB-PROJE CT ...................................................................................... 103 iv List of Tables Table 1: Water balance available in the current scenario of Zhob River Basin ...................... 2 Table 2: Schedule I water sector projects requiring an IEE ................................................. 11 Table 3: Schedule II water sector projects requiring an EIA ................................................ 11 Table 4: Balance water available in current scenario for Zhob River basin .......................... 13 Table 5: Water available for potential sub-projects in Zhob river basin ................................ 13 Table 6: Water