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Last Update: 12 Dec 2018
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Tidal BoreTidal Bore
URBAN DEVELOPMENT BRANCH
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TIDAL BORE OBERVATION STATION AT BANDAR SRI AMAN,
SRI AMAN DIVISION, SARAWAK


Background Information
 

Tidal bore is a tidal phenomenon in which the leading edge of the incoming tide forms a wave or waves of water that travel up a river or narrow bay against the direction of the current. Bores take on various forms, ranging from a single breaking wavefront - effectively a shock wave - to 'undular' bores' comprising a smooth wavefront followed by a train of solitary waves (solitons).

Sri Aman is situated about 205 kilometres by road from Kuching City. The unique phenomenon of tidal bore occurrs in Batang Lupar, Sri Aman, State of Sarawak. Batang Lupar flows from the Klinkang Range to South China Sea with river length of 275 kilometres. Geographicaly, Batang Lupar has a big opening at the rivermouth and becomes narrow when it reaches upstream. It is believed that tidal bore starts at Pulau Seduku located about 44.6 kilometres from river mouth and 34.5 kilometres from Sri Aman town. Tidal bore or locally known as benak occurs everyday with different wave lengths and heights. However, during spring tide, normally on the third and eighteen day of the Chinese Lunar Calendar, tidal bores with high magnitude can be observed clearly.


 

 
Project Brief

The general objectives of the proposed Tidal Bore Observation Station, Sri Aman by the Department of Irrigation & Drainage, Sarawak are as follows:

  • Providing a strategic and convenient viewing spot to observe the occurrence of tidal bore at Batang Lupar
  • Serve as an educational / information centre to promote the importance and understanding of rivers to the economic and social well being of mankind
  • Serve as a venue for recreation that will benefit the local community. This project will be another addition to the many community projects proposed or implemented under the "Cintailah Sungai Kita" campaign nationwide with tourist attraction potential


The project components include:-

  • Buildings (Visitor Information Centre, Audio-Visual Space, Gifts Shop / Drink Stall, Toilets, Store & Office)
  • External Works (Parking Lots for cars, bikes, tour buses, footpath/esplanade/viewing platform, river/slope protection, outdoor furniture, signage & soft scape)
  • M&E (HT/LT, main switch board, external & internal lightings, external & internal power points, air-conditionals to rooms, fire prevention, cold water services & sewerage system)