SYNOPSIS

PHYSICAL MODELLING OF TIDAL CONTROL GATE AND BARRAGE & LOCK – FLOOD MITIGATION PROJECT FOR BANDARAYA KUCHING

The major flood mitigation component comprises the following:-
        - An 8km long 250m wide unlined earth flood bypass channel and bund to direct flood flows from the Sg Sarawak, upstream of Kuching to the sea via Batang
         Salak.
        - A tidal gate across the flood bypass channel to prevent tidal intrusion. This will comprise 15 bays, 14 bays each with a 12m tidal control gate and one bay
          with a 12m emergency navigation gate giving a total opening 180m.
        - A gated barrage and lock structure across an approximately 1km long 80m wide channel.
The barrage structure will comprise two radial gates of 25m width each and a 25m wide ship lock to give a total opening of 75m.

The main objective of this consultancy service shall comprise development of physical and numerical modelling to assess the efficiency and effectiveness of the proposed flood mitigation options focusing on the following issues:-
-    Verify discharge capacity of water release structures for tidal control gate and barrage and lock.
-    Verify energy dissipation and scour protection of the proposed structures.
-    Test different operation modes of the gates.
-    Observe flow regime for potential water quality and sedimentation/erosion pattern in flood bypass channel and ox-bow lake within the water courses of Sg. Sarawak.
  
Hydraulic And Instrumentation Laboratory, NAHRIM with the total built-up area at 12,000m ² and recorded as the biggest Hydraulic laboratory in Malaysia.
The ultimate aim of this laboratory are :
-    To carry out R&D activities in all aspects of physical modeling related to water and its environment;  
-    To increase research collaboration with local and foreign research organisations and higher institutions in the same field;
-    To produced high quality R&D products and innovations that can be used in solving water related problems; and
-    To become a fully accredited hydraulic laboratory in Malaysia and the region