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Moddibo Adama University of Technology Yola And MODDIBO ADAMA UNIVERSITY OF TECHNOLOGY YOLA AND NATIONAL OFFICE FOR TECHNOLOGY ACQUISITION AND PROMOTION (NOTAP) REASEARCH OPPORTUNITIES IN RIVER BASINS DEVELOPMENT AUTHORITIES A CASE STUDY OF UPPER BENUE BASIN PRESENTED BY ENGR. ABUBAKAR H. MU’AZU DEPUTY DIRECTOR OPERATIONS UPPER BENUE RIVER BASIN DEVELOPMENT AUTHORITY YOLA OCTOBER, 2011 INTRODUCTION FUNCTIONS The functions of each Authority shall be- The Authority was established by decree to undertake comprehensive development of both surface and underground water resources for multipurpose use with particular no.25 of 1976, amended by decree emphasis on the provision of irrigation infrastructure and the no.87 of 1979, again amended by decree control of Flood and erosion and for water-shed management; to construct, operate and maintain dams, dykes, polders, wells, no. 35 of 1987. boreholes, irrigation and drainage systems, and other works necessary for the achievement of the authority’s functions and The operational area of the Authority is hand over all lands to be cultivated under the irrigation scheme to based on the geographical area of all the the farmers; to supply water from the Authority’s completed storage schemes to major tributaries of the Benue River all users for a fee to be determined by the Authority concerned, upstream of Ibbi town in Taraba State, With the approval of the Minister; to construct, operate and maintain infrastructural services such as comprising Adamawa Central and South roads and bridges linking project sites; provided that such infrastructural services are included and form an integral part of the Senatorial districts, Bauchi South list of approved projects; Senatorial district, all the three to develop and keep up-to-date comprehensive water resources master plan, indentifying all water resources requirements in the Senatorial districts of Gombe and Taraba Authority’s area of operation, through adequate collection and collation of water resources, water use, socio-economic and States. environmental data of the River Basin. 2 LOCATION MAP OF UPPER BENUE BASIN RIVER BASIN DEVELOPMENT AUTHORITY, YOLA CATCHMENT AREA (257,606Km2) 3 HYDROLOGICAL ACTIVITIES The Hydrologic and Meteorological phenomena operating within any given sub-catchment dictate the water balance within the area and particularly the success of all water-based projects therein. Since inception of the Authority in December 1976, emphasis has been geared towards the collection, analysis and publication of the Hydro-meteorological data within its operational area. The planning, design and management phases of water resources infrastructure depend to a large extent, on the availability of hydro-meteorological data. However, because the hydro-meteorological processes are stochastic, each of these phases is characterized by uncertainties. The net effects of these uncertainties are economic penalties resulting from imperfect planning, over or under-design and wrong management decision. A way to reduce such penalties is through more comprehensive data records. It is generally acknowledged that in Nigeria, basic planning data are scarce, and the collation efforts are still at their infant stages. In an effort to bridge the existing data gap, the Authority has established a network of hydro-meteorological stations within its operational area. Although the present density of stations does not meet the required international standards; valuable information has been obtained dating back to 1978. A summary of the spatial distribution of the various stations maintained by the Authority is presented below: In addition, the Authority is cooperating with other organizations in the maintenance of Hydro-meteorological Stations established by them. Station Yola H/Qs Zone Gembu Zone Gassol Zone Dadin Kowa Zone Total (Upper Benue (Taraba Basin) (Taraba Basin) (Gongola Basin) Basin) - Water Stage 32 8 16 12 68 - Discharge 9 5 11 5 30 Measurement - Agro- 3 7 2 3 15 meteorological - Rain Gauge 14 7 14 6 41 - Automatic - 5 1 - 6 W/Level Recorder TOTAL 58 32 44 25 160 On-Going Projects, of the Authority in Adamawa State. Yola Irrigation Project (Lake Gerio), Kiri dam Project, Shelleng L.G.A. • The project was established as a pilot scheme in 1978 The dam primary function is to Irrigate 12,000ha presently irrigating 347ha by pumping from the Benue of sugar plantation for Savannah Sugar Company Ltd (SSCL), Numan, commissioned in 1982. River and Lake Geriyo. • The Farm has a potential irrigable land of1200ha. The Authority generates revenue from the sale of raw water to SSC Ltd. The project is providing gainful employment to about 1500 • farming families and employment to about 6,000 casual The reservoir has a storage capacity of 615 Mm3 workers. • The Dam has potential for mechanized fish When fully developed up to 5000 farmers will benefit from farming, and also mitigate flood during rainy dry season cultivation employing about 18,000 casual season through reservoir regulation downstream into Benue river. workers. • A prefeasibility study conducted in 2006 by UBRBDA, and UNIDO-RC-SHP Abuja, confirmed the possibility for hydroelectric potential of Rice farm at Geriyo Irrigation project Yola North LGA, Adamawa State 16MW installed capacity, • In December, 2009 Adamawa State Government signed an MoU with USTDA for feasibility study to upgrade previous studies to generate up to 35MW. • The study was awarded to M/S Princeton Energy Resources International of USA ,with active participation of the Authority. • The study confirmed the possibility of 20-30MW installed capacity with the help of Dadinkowa turbine releases during dry season. Kiri Dam Spillway, Embankment crest,& Reservoir Winnowing of rice at the farm Hand application of fertilizer at the farm 3 Proposed Dasin Hausa Multipurpose Dam, Adamawa State In 1981 UBRBDA commissioned M/S Hydroservice Sao-Paulo Brazil to conduct prefeasibility study for construction of a multipurpose dam about 30Km upstream of Yola on the Benue River. The reservoir design storage capacity is 16*109m3, will mitigate the negative effect of perennial flooding along the Benue river flood plains, about 150,000ha downstream, can be used for cultivation twice a year. About 1,200,000.00tons of grains equivalent/per annum can be produced from irrigation, the study identified the irrigable area as highly suitable for sugar production. The dam can generate 150MW of hydroelectricity at designed installed capacity of 780GWh/year. Provide navigation throughout the year upstream of the dam to the inland port of Garoua in Cameroun Republic, and increase inland navigation period of about two months downstream to Lokoja. 6 Projects in Bauchi State Waya Dam Multipurpose Project, Bauchi. The dam was designed in 1991 to irrigate, about 1000ha Proposed Dindima Dam & Irrigation Projects and supplement water supply to Bauchi Town. In the year 2002, UNIDO-RC-SHP and Energy Commission • The proposed dam has a potential of of Nigeria (ECN), recommended the dam for a Plot Small Irrigating about 4000ha downstream. Hydropower Project, for rural electrification. • The Ministry re-awarded the contract for the completion The reservoir has about 17MW of the dam, and construction of the SHP power house hydropower capacity. civil works. • UNIDO-IC-SHP donated the `turbines and generators Inter-basin Water transfer to Jama’are installed in December, 2007 the SHP power plant is river through diversion channel to Misau currently providing electricity to 336 house holds near river. the Dam. • During FY 2009 the Dam Spillway was upgraded Penstock Recreation, tourism and fisheries are was repaired and 10hectares irrigation scheme other aspect of the dam’s socio-economic developed. potentials. Proposed Bagel-Zungur Dam and Irrigation Waya Dam Power House&Penstock Turbines under Construction Project • The proposed dam with storage capacity of 113Mm3 has a potential of irrigating 5,685ha. • Livestock development covering 10,962ha. • Provision of water to communities within and around the project area. • Recreation, tourism and fisheries are added socio-economic potentials of the dam. Inspection of power house by officials from UNIDO- RC-SHP 7 Dadinkowa Multipurpose Dam, Yamaltu/Deba L.G.A, Gombe State. The Construction of the dam started in 1981 and completed in 1987. The Dam has a reservoir capacity of 2.8*109m3, live storage 1.77*109m3, made of earth rock-fill embankment, crest length about 520m, maximum height 47m, Ogee Crested Spillway equipped with radial gates and Power house. The H.E.P has a design installed capacity of 34MW, electricity generation output 224.74GWh/annum that can generate revenue about N2.25 billion gross, at N10.00/kwh The Dam has a potential to irrigate about 25,000ha net downstream which can produce about 200,000tons of grains equivalent twice a year that can generate about N6billion gross. Through mechanized fish farming, about 20,000tons of fish can be harvested annually from the reservoir that can generate about N10b at N500.00 per kg. Presently only 100ha is under irrigation, by abstraction of water from the river, due to non completion of the irrigation scheme. Under the FY 2009 the contract for the continuation of work on main canal (1.3km) is in appreciable progress. Turbines components under fabrication by Voest Dam, Embankment, Spillway radial gates,& Power Alpine Austria, 1982 House 8 Lower Taraba Irrigation Project, Taraba State. Lower Taraba Irrigation Project, Gassol. Suntai/Bantaje Irrigation Project. • A dam has been proposed on the at Suntai river, The Authority proposed to construct a Barrage across Taraba to irrigate about 8,000ha, at Bantaje. river at Tella Bridge, to supply water for Irrigation about • 38,000ha at Gassol by gravity. The Authority has developed 1,000ha farm at Presently 3000ha of land has been cleared under rain-fed Bantaje for rice production during rainy season cultivation, and 200ha developed for irrigation by direct since 1980. abstraction from the river. • However, about 100ha pilot irrigation scheme has A medium size water treatment plant was constructed by the been proposed. Authority, in 198supplying water to the town during the last 25years.
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