SUNGAI SARAWAK BARRAGE AS A CRITICAL STRUCTURE TO SAFE GUARD KUCHING CITY OF SARAWAK STATE, MALAYSIA

Kuching city of the Sarawak State, Malaysia is located on a flat alluvial plain 30 km away from the sea. The city is divided to north and south parts by the tidal Sungai Sarawak. The low-lying city is vulnerable to high tides, where the city had experienced recorded spring tides as high as 6 m. The worst scenario of flooding happens when high runoff from the upstream catchments coincided with high tides from the downstream. In 1998, a barrage is established near estuary to protect the city. The structure is the property of the State Government under the care of Sarawak Rivers Board, but the operation is managed by a private contractor. The Sungai Sarawak Barrage has been in operation for 10 years and it is increasingly playing critical roles as a center of flood management for the region. The operation team extensively regulates and maintains the quality hydrological data of the river system with its telementry system. Recently, it functions also as a flood warning center entrusted by the State Government to act first-handly in the case of flood emergency. The experience of public-private partnership of the barrage management that warrants its successful implementation for a decade in Kuching is something useful to be learnt.

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4. Logical Framework for Integrated River Basin Management

4.1 Introduction The logical framework approach (LFA) was first adopted by U.S. AID in the early 1970s. The framework provides a set of designing tools that, when used creatively, can be used for planning, designing, implementing and evaluating projects (the entire project cycle). The purpose of LFA is to undertake participatory, objectives-oriented planning that spans the life of project or policy work to build stakeholder's team commitment and capacity, through a series of workshops. The technique requires stakeholders to come together in a series of workshops to set priorities and plan for implementation and monitoring. This achieved by structuring the main elements of project in a matrix (the logical framework) which summarizes the project, highlighting logical linkages between intended inputs, planned activities and expected results and records the underlying assumption. See Figure 4.1, for the content of framework matrix and how to read the LFA. 4.2 Steps in Logic

River Basins in Sarawak (Borneo)

Map of Sarawak River Basins Sarawak State is part of Borneo island and has been divided into 21 river basins, as follows: Kayan, 1,645 km2 Sg. Sarawak, 2,375 km2 Samarahan, 1,090 km2 Sadong, 3,550 km2 Lupar, 6,510 km2 Saribas, 2,200 km2 Krian, 1,500 km2 Lower and Upper Rajang, 47,880 km2 Oya, 2,195 km2 Mukah, 2,275 km2 Balingian, 2,510 km2 Tatau, 5,260 km2 Kemena, 6,100 km2 Similajau, 660 km2 Suai, 1,540 km2 Niah, 1,280 km2 Sibuti, 1,020 km2 Baram, 22,930 km2 Limbang, 3,950 km2 Trusan, 2,615 km2 Lawas, 1,050 km2. for more information please visit http://www.did.sarawak.gov.my/rbis

River Basins in Sabah

Figure 1 Rivers and Points Annual Rainfall at Sabah (After Sabah Water Resources Master Plan, 1995) The best source of information about river basins in Sabah is from the "Sabah Water Resources Master Plan", which can be seen at http://www.did.sabah.gov.my/ . The river basins are can be grouped as those that discharging the flow to the west coast, north coast, and to the east coast. Some rivers that go to west coast are: Sg. Mayog/Babogon Sg. Papar Sg. Padas Some rivers that go to the north coast are: Sg. Bandau Sg. Bangan/Kinorom Sg. Bengkoko/Pitas Some rivers that go to the east coast are: Sg. Liwagu Sg. Kinabatangan Sg. Tawau Sg. Merotai Besar The Figure 1 shows the points annual rainfalls and rivers in Sabah.

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