Additional Works for the Preparation of Hill Torrent Management Plan (Financed by TASF)
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Technical Assistance Consultant’s Report Project Number: 39590-01 December 2007 Pakistan: Additional Works for the Preparation of Hill Torrent Management Plan (Financed by TASF) Prepared by Engr. Muhammad Yunus Javed, Dr. Muhammad Nadeem, Engr. Faisal Javed Islamabad, Pakistan For: Irrigation and Power Dept., Punjab 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. GOVERNMENT OF THE PUNJAB IRRIGATION & POWER DEPARTMENT MANAGEMENT OF HILL TORRENT IN CRBC AREA (STAGE –III) D.G. KHAN TA – 4719 (PAK): ADDITIONAL WORKS FOR THE PREPARATION OF HILL TORRENTS MANAGEMENT PLAN Revised Design/Feasbility Report TA CONSULTANTS FOR ASIAN DEVELOPMENT BANK April 2007 TA-4719 (PAK) ADDITIONAL WORKS FOR THE PREPARATION OF HILL TORRENTS MANAGEMENT PLAN CONTENTS FOREWORD Chapter-1 – BACKGROUND AND OBJECTIVES Chapter-2 – PROJECT AREA AND THE PROJECT Chapter-3 – REVIEW OF PREVIOUS REPORTS Chapter-4 – HYDROLOGICAL ASSESSMENT REPORT Chapter-5 – MANAGEMENT OF HILL TORRENTS Chapter-6 – SOCIAL IMPACT ASSESSMENT AND PARTICIPATORY PLANNING STUDIES Chapter-7 – AGRICULTURAL STUDIES Chapter-8 – COST ESTIMATES AND IMPLEMENTATION SCHEDULE Chapter-9 – ECONOMIC ANALYSIS i LIST OF ANNEXES Annex-1 Review of Kaha Hill Torrents Report Annex-2 Design Calculations of Major Structures ii LIST OF ABBREVIATION ADS Asian Development Bank Ac-ft Acre feet AO Agricultural Officer AZRI Arid Zone Research Institute CCA Cultivable/Culturable Commanded Area CE/PD CFs Chief Engineer/Project Director CFs Cubic feet per second - (Cusec) Cft Cubic Feet CM Cubic meter per second - Cumic CN CurVe Number' CRBC Chashma Right Bank Canal CRBIP Chashma Right Bank Irrigation Project DA Director of Agriculture DAP Di-ammonium Phosphate DCC Derajat Canal Circle D.G. Khan Dera Ghazi Khan D.I. Khan Dera Ismail Khan DLR Directorate of Land Reclamation DTA Dehi Taraqiati Anjuman DTC Dehi Taraqiati Council EIA Environmental Impact Assessment EMU Environment Management Unit EPA Environmental Protection Agency EPD Environmental Protection Department FAO Food and Agricultural Organization FCC Flood Carrying Channel, FFC Federal Flood Commission FP Bund Flood Protection Bund FPSP-1 Flood Protection Sector Project Phase -1 Gabion Stone/Rock bound in wire crates GCA Gross Commanded Area GDP Gross Domestic Product GOP Government of Pakistan GPV Gross Production Value H.T. Hill Torrent HTFP Bund Hill Torrent Flood Protection Bund HYU High Yielding Variety IBRD International Bank for Reconstruction and Development Initial Environmental Examination IEE International Environmental Examination IRR Internal Rate of Return ISO International Standards Organization Kg Kilogram LAA Land Acquisition Act LSEU Landscape Ecological Units MAF Million Acre Feet NDC National Development Consultant NDP National Drainage Program NESPAK National Engineering Services of Pakistan (Pvt) Ltd. iii NGO Non Government Organization NPK Nitrogen Phosphorous Potash (Fertilizer) Net Production Value NPV Nitrogen Phosphorous Potash (Fertilizer) NRSP National Rural Support Program NWFP North Western Frontier Province O&M Operation and maintenance OGDC Oil and Gas Development Corporation Participatory Associations PAs Participatory Associations PIDA Punjab Irrigation Development Authority Pakistan Meteorological Department PNGO Project Non Government Organization Pakistan Panel Code PRA Participatory Rapid Appraisal Q Quantity RAP Resettlement Action Plan RCC Reinforcement Cement Concrete RD Reduced Distance in 1000 Feet Rs Rupees SCF Standard Conversion Factor SCSUH Soil Conservation Services Unit Hydrograph Square Sq Square SSOP Soil Survey of Pakistan TOR Terms of Reference USDI United States Department of the Interior US-SCS United Status Soil Conversion Services VR Bridge Village Road Bridge WAPDA Water and Power Development Authority WUA Water Users Associations iv GLOSSARY Bajra Millet Bund Embankments encircling an agricultural field for storage of flood water as irrigation input Bundat The plural of a bund Banna Approximately one foot high and one food wide earthen wallet serving as the boundary of a field Chur A very small rain generated hill torrent Darrah The gorge through which a hill torrents emerge out of the hills/maintains onto the plain Ganda Earthen structure across the entire width of a stream bed - high enough to divert the water into the wahs (channels) used for conveying flows into the fields that have to be irrigated. Ghair/non-haqooq Without (water) rights - customary or legal. Haqooq Rights (of water) Haqooq-i-Abpashi The Rights of Irrigation (Name ofa legal book) Jowar Sorghum Jigra The tribal forum competent of resolving all local issues, as a court Perennial Kala Pani Flow of water - water without sediment Kamara Common structure at all levels of the system, constructed collectively, which are necessary to convey the water upto the individual field that is to be irrigated. Krah A blade type implement used for moving earth Katcha Construction work using earth Kharif Summer Season (April to September) Lath Embankment with one end tied to high ground or a bund with other end free Markaz Center/Capital Mauza Village Md maund Mouza A revenue circle or estate Mt Metric Tons Nallah Hill torrent channel Non-Haqooq Without rights (water) Pacca Construction work using fabricated materials such as bricks, cement, iron and steel, stone etc. Paina Tail towards feet Pacha Area Area lying on the Western side of CRBC up to the toe of hill Patwari Village level employee of the Revenue or Irrigation Department Pora Sowing in rows by dropping seed through pouring instrument Rabi Winter Season (October to March) Rivej-e-Abpashi Rules for diverting water in natural channels (Name of a book) Rod Kohi Hill torrent Sad A small diversion bund/dam/wall Sailaba Moisture retained in a field by flood water/rain Saropa Piana Head to Tail - Name of a local/traditional irrigation System. The upper fields on a hill torrent is called Saropa and have prior rights while the lower fields are called Piana and have secondary right over flood flows. This is a relative term and is used for all the fields on a hill torrent with v respect to their location. Sardar President/Head/Chief Saropa Head Salai A small spur like structure used for guiding water Shakh Branch of a hill torrent used as water channel Tehsil Secondary unit of a district Union Council Primary administrative political unit Wah A large natural channel maintained by farmers Wahi A relatively small distribution channel usually man made vi TA-4719 (PAK) Additional Works for the Preparation of Hill Torrents Management Plan FOREWORD FOREWORD AUTHORIZATION The Project has been financed by the Asian Development Bank (ADB) and Government of the Punjab. Under the arrangements, TA Consultants is to review, update the design, planning and Management of the hill torrents of CRBC Area in Taunsa Teshil of DG Khan District. This indeed, was a task of initiating the survey, and design, hydrological assessments ab-initio for the evolution of a comprehensive plan which has also to encompass various other review reports and the previous plan proposed for the area by NESPAK in 2005. SCEOPE OF CONTRACT SERVICES Principal output of the studies under the Contract is the review revision and updating of the feasibility study 2005. Hill Torrents Management Plan in Taunsa Tehsil of Dera Ghazi Khan District while keeping in view of the consideration of physical interventions of CRBC across the flood plains of the hill torrents. Objective/Purpose of the Assignment To prepare a revised design report for the Hill Torrent Management Project as well as a revised cost estimate and implementation plan. Scope of Work Review earlier reports prepared for the Hill Torrent Management Project; conduct field trips to proposed project sites; review proposed design in the Feasibility Report (FR) as well as the implementation plan; review and revise design criteria that was provided in the FR; review the consultants TORs; prepare a draft revised design report including a revised cost estimate and implementation plan. Detailed Tasks: i. Review the Final Feasibility Report (FR) prepared by National Engineering Services Pakistan (NESPAK) in March 2005, particularly Chapter 4: Hydrological Evaluation and Chapter 5: Management of Hill Torrents, a report on Performance Evaluation of Kaha Hill Torrent, April 2004 also prepared by NESPAK, a desk review report made by Mr. Terry Heiler on these documents in July 2005, Social and Poverty Assessment by Mr. Jamshed Tirmizi in June 2005, and a report produced by Mr. Yoichi Kishi in August 2005; ii. Conduct field trips to the proposed project sites to assess the geographic conditions of the proposed locations of structures in FR; iii. Visit the existing structures in Kaha and Vidore hill torrents to assess the behavior of the existing structures; iv. Review the proposed design in FR considering (a) site specific condition, (b) characteristics of hill torrent flood flow and debris flow, (c) experiences in construction and operation and maintenance, (d) selection of type of the structures; flexible or rigid, (e) width of weirs and share of flood distribution, (f) relative elevation of top of weirs of distributor, top of weirs of off-takes, and intake level of fields in the upper reaches of each wah, (g) structural details of bank protection,