Construction and Engineering

Environmental Engineering

Scope of Business

Since its entry into the environmental engineering sector in 1983, Chevalier (Envirotech) Limited has established itself as a trusted specialist in the fields of water treatment, wastewater treatment, air quality monitoring, solid waste treatment and disposal as well as fuel gas transmission and distribution systems in Hong Kong.

Fuel Oil Pipes at Castle Peak
Power Station
Tai Po Sewage Treatment Works
The Central & Wanchai
East Pumping Station
Screening Plants
Tai Po Water Treatment Works
Hypochlorite Dosing System at Black Point Power Station
CLP Natural Gas Intermediate Pressure Reducing Station

Chevalier has completed an impressive range of projects, which include providing additional treatment and water transfer facilities at the Tai Po Water Treatment Works and Pumping Station for the Hong Kong Water Supplies Department; the relocation works of Castle Peak Power Station Emission Control Project for China Light & Power; the upgrading of Tai Po Sewage Treatment Works as well as the refurbishment of 7 existing preliminary treatment works as part of the Harbour Area Treatment Scheme (HATS) Stage 1 for Drainage Services Department; the maintenance services at various sewage treatment works for the Electrical & Mechanical Services Department.
Chevalier always works closely with customers to provide project management, engineering and contracting expertise in respect of design, supply, installation, testing and commissioning, and maintenance of mechanical, electrical, instrumentation, control and automation systems in order to suit our customers' requirements.

1. Engineering / Contracting

Process & detailed engineering design

Design, installation, testing and commissioning of Mechanical, Electrical, Instrumentation Control & Automation System

2. Project Management

Feasibility study, multi-disciplinary design and permitting

Testing & commissioning

Operation & Maintenance

Technical consultancy


After-sales service

Project Highlights

Tai Po Water Treatment Works & Pumping Station Phase I, Uprating of Stream I & Stream II

Tai Po Sewage Treatment Works Stage I/II, Stage IV B & Stage V Phase I

Castle Peak Power Station Emission Control Project

Castle Peak Power Station ULSD Conversion (Common Plant)

Castle Peak Power Station Wash-down System for Coal Bunker House

Black Point Power Station Backup Fuel Plant Modification

Black Point Power Station Gas Supply Project

Black Point Power Station Sewage Treatment Plant Major Refurbishment  

Triennial Term Contract for Maintenance of E & M Control Systems at Various Sewage Treatment Works

Central & Wanchai East Pumping Stations and Screening Plants

Harbour Area Treatment Scheme - Stage 1, Upgrading of Seven Existing Preliminary Treatment Works

Infrastructure for Penny's Bay Development – Contract 1

NENT Landfill Leachate Treatment Works Stage 1

Air Quality Monitoring Stations

Provision of On-Site Chlorine Generation Plants at Various Water Treatment Works

Upgrading of Kwun Tong Preliminary Treatment Works

Reclaimed Water Supply to Sheung Shui and Fanling

Construction of Siu Ho Wan Water Treatment Works Extension and Siu Ho Wan Raw Water Booster Pumping Station

Term Contract for Maintenance and Operation Support of On-site Chlorine Generation Plants (Phase 2) of Water Supplies Department

Works Branch, Development Bureau

Electrical and Mechanical Installation for Sewage Treatment and Screening Plant

Supply and Installation of Pumpsets and Associated Pipework

Supply and Installation of Water Treatment Plant

Electrical and Mechanical Services Department

Registered Electrical Contractor

Hong Kong Quality Assurance Agency

ISO 9001 CC792 Certification
Design, Supply and Installation of Water Treatment, Wastewater Treatment, Fuel and Gas Transmission and Distribution Systems in Hong KongMaintenance of Wastewater Treatment Systems in Hong Kong

Labour Department - Construction Industry Safety Award Scheme

Civil Engineering Sites (Sub-contractors) - Silver Prize (2011/2012)

Civil Engineering Sites (Sub-contractors) - Meritorious Prize (2012/2013)

Drainage Services Department - Construction Sites Safety and Housekeeping Award Scheme

The Best Construction Sites Safety and Housekeeping Award (2006 - 2008, 2018 & 2020)

Meritorious Award (2004 - 2005, 2009, 2019 & 2021)

Development Bureau - Considerate Contractors Site Award Scheme

Merit Award (2007, 2020, 2021 & 2022)

Bronze Award (2016)

Gold Award (2017)

Silver Award (2020)

China Light and Power

Certificate of Appreciation on SHE Performance (2011 - 2013)
BPPS Gas Supply Project

Development Bureau & Construction Industry Council - Innovative Safety Initiative Award

Safety Operational Device Category - Bronze Award (2020)

The Hong Kong openBIM/openGIS Award 2022 – Project Category

Merit Award (2022)

Development Bureau & Construction Industry Council - Innovation Award for Safety and Environmental Excellence (IASEE)

Bronze Award (2022)

Development Bureau & Construction Industry Council - Safety Video Competition

Confined Space Works - Gold Award (2019)

Contact Us
Chevalier (Envirotech) Limited
Address: 22/F, Chevalier Commercial Centre, 8 Wang Hoi Road, Kowloon Bay, Hong Kong
Tel: (852) 2331 6317 
Fax: (852) 2757 5614 
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