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Projects

Completed works, ongoing projects and concepts, from 1999 to today.

2024
2024 · Drainage & MDP

Thin-layer green roofs with MDP

Thin-layer green roofs drained by MDP, collecting rainwater for reuse.

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2022
2022 · Underwater & marine

Island Eastern Corridor pile cap repair

Working platforms and access cages for repairing defective pile caps under the Island Eastern Corridor.

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2021
2021 · Hydraulic

Leighton Road Ø2100 shaft water-stop seal

A bolted steel seal plate to close off a 2.1 m diameter drainage shaft so works downstream could proceed in the dry.

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2020
2020 – 2021 · Hydraulic

Box culvert desilting, Hoi Fai Road to Olympian City

Diver-operated desilting of a flooded box culvert, with on-site settling and dewatering so only dry spoil leaves the site.

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2018
2018 – 2019 · Underwater & marine

Avenue of Stars: removing old marine piles

Underwater cutting and removal of the old marine piles beneath the Avenue of Stars for its expansion.

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2018 · Underwater & marine

Causeway Bay seawater pump house intake

Underwater inspection and construction at the seawater intake of a building's cooling-water pump house.

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2012
2012 – · Drainage & MDP

Multipurpose Drain Pipe (MDP)

Our patented drainage and filtration pipe that resists clogging. Silver Award, HKMA/HKT Global Innovation Award 2024/25.

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2012 – · Temporary works

Temporary works design

Access towers, floating rafts and platforms we design so crews can work safely over and in water.

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2010
2010 · 2016 · Underwater & marine

Wan Chai Reclamation Phase 1 & 3

Seawall blocks and caissons for Section C2 (2010), and temporary water diversion pipes for Section C3 (2016).

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2009
2009 · Underwater & marine

Tong Fuk sea earth cables, Lantau

Laying and burying sea earth cables for the Tong Fuk international telecommunications station.

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2007
2007 · Underwater & marine

Discovery Bay shipyard slipway repair

Underwater repair of worn lifting-platform rails and a seabed depth survey for desilting at the Discovery Bay shipyard.

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2005
2005 · Underwater & marine

Stanley Pier reconstruction

Underwater welding, pile works and floating steel formwork for rebuilding a pier in open water, planned over 190 working days.

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More projects
Underwater & marine

Quarry Bay sunken vessel: survey and salvage

Underwater survey of a sunken barge, then cutting it into three sections of 91, 119 and 180 tonnes to lift it out.

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Temporary works

Tseung Kwan O – Lam Tin Tunnel: concreting formwork platforms

Suspended formwork platforms for placing concrete around marine piles on the tunnel project.

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Research

Improved underwater welding handle

Our handle design is now the standard across Hong Kong's commercial diving industry.

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