Project Overview
TLEC Engineering was commissioned by THPC to redesign and replace the existing Log Boom system at Nam Nyouang Dam, Lao PDR. The original system experienced alignment instability due to strong winds and wave action, causing the intermediate support structures to shift and reducing the effectiveness of the boom configuration.
After evaluating the site conditions and deep-water installation constraints, TLEC Engineering developed an improved design by increasing the number of intermediate support points from two to eleven locations. This approach distributed loads more efficiently, reduced anchoring requirements, and simplified installation activities.
The upgraded system significantly improved boom stability, enhanced operational reliability, and provided better protection against floating debris entering critical dam facilities.
Scope of Work
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Inspection and assessment of the existing Log Boom system
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Engineering evaluation of wind, wave, and tensile load effects
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Redesign of Log Boom alignment and anchoring configuration
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Structural and mooring load analysis
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Design of eleven intermediate support locations
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Design of concrete ballast anchoring systems for deep-water installation
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Preparation of engineering drawings, calculations, and technical documentation
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Installation supervision and commissioning support
Project Information
Project Name: Nam Gnouang Dam Project
Location: Bolikhamxay and Khammouane provinces, Lao PDR
Owner: Theun-Hinboun Power Company Limited (THPC)
Installation Year: 2022
Log Boom Locations: 1 Location
Total Installed Length: 720 meters - 12 Spans
