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Carriage, Handling and Storage of Dangerous Goods along

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Table 6: Summary <strong>of</strong> Risk Analysis for High-Water Level situation<br />

High-Water Level Situation<br />

Golden Triangle 2,373 Chiang Saen 2,364<br />

Chiang Saen 2,364 Chiang Khong/Huay Xay 2,314<br />

Chiang Khong/Huay Xay 2,314 Pak Beng 2,172<br />

Pak Beng 2,172 Luang Prabang 2,010<br />

Luang Prabang 2,010 Pak Lay - Vientiane 1,585<br />

Vientiane 1,585 Savannakhet 1,126<br />

Savannakhet 1,126 Pakse 869<br />

Pakse 869 Khone Falls 721<br />

Khone Falls 721 Steung Treng 684<br />

Steung Treng 684 Kratie 561<br />

Kratie 561 Kompong Cham 448<br />

Kompong Cham 448 Phnom Penh 348<br />

Phnom Penh 348 Border Viet Nam 251<br />

Border Viet Nam 251 Tan Chau 236<br />

Tan Chau 236 My Tho 74<br />

My Tho 74 Deep Sea Buoy<br />

Mekong-Vam Nao intersection 216(*) Long Xuyen 162<br />

Long Xuyen 162 Can Tho 109<br />

Can Tho 109 Deep Sea Buoy -<br />

Phnom Penh - Kompong Chhnang 99<br />

Kompong Chhnang 99 Chhong Kneas 204<br />

216(*) = km distance <strong>along</strong> the Mekong mainstream<br />

High water level<br />

Waterway geometrics:<br />

sharp curves, rocky bootom (bedrock) <strong>and</strong> river banks, submerged<br />

obstacles like hidden rocks, vessel wrecks, big boulders, etc., narrow<br />

channels not allowing the crossing <strong>of</strong> two vessels or overtaking, high<br />

bottom gradients with hidden tresholds, etc.<br />

Hydraulics <strong>of</strong> the<br />

waterflow<br />

Strong funnel shaped currents, strong turbulent currents, water<br />

upsruges, whirlpools, side ci = urrents from tributaries or side channels,<br />

etc.<br />

Location <strong>of</strong> the hazard<br />

upstream from important water intakes, upstream from big cities,<br />

upstream from important wetl<strong>and</strong>s, Tonle Sap <strong>and</strong> entrance <strong>of</strong> the<br />

Great Lake during flood season, upstream from special zones with<br />

protected species, etc.<br />

WATERWAYS 107<br />

Navigation, traffic,<br />

communication,<br />

man-made obstacles, etc.<br />

traffic density <strong>and</strong> presence <strong>of</strong> high speed vessels, fishing nets across<br />

the river, dredging vessels <strong>and</strong> pontoons or moored barges in the<br />

channel, bad or no communication between vessels <strong>and</strong> shore, bad<br />

or no communication between vessels, damaged aids to navigation<br />

(beacons) or misplaced buoys, busy ferry crossings obstructing<br />

long haul traffic, piers <strong>and</strong> causeways from ports <strong>and</strong>/or terminals,<br />

absence or limited information on existing water levels <strong>and</strong> traffic<br />

density, low tension high voltage cables, etc.

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