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

Thin-layer green roofs with MDP
Thin-layer green roofs drained by MDP, collecting rainwater for reuse.
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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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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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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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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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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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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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Temporary works design
Access towers, floating rafts and platforms we design so crews can work safely over and in water.
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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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Tong Fuk sea earth cables, Lantau
Laying and burying sea earth cables for the Tong Fuk international telecommunications station.
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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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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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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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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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Improved underwater welding handle
Our handle design is now the standard across Hong Kong's commercial diving industry.
View project →
Stanley Pier reconstruction
Underwater welding, pile works and floating steel formwork for rebuilding a pier in open water, planned over 190 working days.

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

Multipurpose Drain Pipe (MDP)
Our patented drainage and filtration pipe that resists clogging. Silver Award, HKMA/HKT Global Innovation Award 2024/25.

Wan Chai Reclamation Phase 1 & 3
Seawall blocks and caissons for Section C2 (2010), and temporary water diversion pipes for Section C3 (2016).

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

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

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.

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

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.

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

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.

Tseung Kwan O – Lam Tin Tunnel: concreting formwork platforms
Suspended formwork platforms for placing concrete around marine piles on the tunnel project.

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

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

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