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Gabion Sea wall on Ngamba Island Uganda - Jan, 2021

Ngamba Island Chimpanzee Sanctuary & Trust

Lake Victoria had historic flooding with water rising almost up to the visitors huts. The purpose of the trip was to begin a sea wall project with gabions (wire rock containers) to protect the island from further erosion and damage. 

NgambaIsland.org

Childrenofconservation.org

The trip was led by Children of Conservation. Kerry Stumpe, a CofC founder, and I worked with a great local team to kick the project off.  Pictures and videos below of the progress the team made over an 8-10 day period. 

Childrenofconservation.org
Huts ngambaisland.org Ngamba

Ngamba Island Flooding

This picture shows the huts on the island prior to Lake Victoria rising by 1.8 meters. The project shown below is an effort to build a sea wall to help protect the sanctuary. My trip was on behalf of Children of Conservation.

Children of Conservation
Ngambaisland.org flooding Ngamba

Ngamba Island Flooding cont.

This picture shows the huts after the flooding with rocks piled up ready to go in the gabions. The goal is to build a protective wall out of Gabions to prevent future shore erosion and damage to the "human" part of the island. 

Ngamba Island Sanctuary

Uganda - Ngamba Island - Gabion Wall Build

Mining the rock, transporting by boat

    Video

    Gabion Install

    Gabion install after week of work. Videos below show process. Approximately 200,000 pounds of rock move in just over a week. 

    Gabion Install

    Placing assembled gabions in the water

    Gabion Install

    Initial rock line to load gabions, used canoe later in process

    Video

    Gabion Underwater Work

    Tough work underwater but team had a great attitude. 

    Gabion Rock Placement

    Individual rock placement underwater.

    Gabion tie work

    Reinforcing gabions with tie wires.

    Video

    Gabion Install

    Switched from rock line to loading rock by canoe.

    Making progress, 2nd layer

    Starting the 2nd layer to bring total height to 2 meters.

    Gabion Progress

    Gabion after 3 days of work

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