Drainage Services Department

Drainage Services Department (DSD)

To obtain feedback from the market in taking forward the upgrading of the Tai Po Sewage Treatment Works (TPSTW), parties who are interested in being responsible for the design, construction, operation and maintenance of the upgrading works, while undertaking the operation and maintenance of the existing TPSTW at the same time during the contract period, are invited to respond to the Expression of Interest (EOI).

Relevant developers, contractors and operators

12:00 noon on 22 June 2026 (Monday)

If tropical cyclone signal No. 8 or above, or a black rainstorm warning signal is hoisted or if "extreme conditions after super typhoons" announced by the Government is in force at any time between 9 am and 12 noon on the closing date, the closing time for submission will be extended to 12 noon on the first working day after the tropical cyclone signal No. 8 is lowered, or the black rainstorm warning signal or the "extreme conditions after super typhoons" announced by the Government has/have ceased to be in force. Saturday is not counted as a working day. The announcements on "extreme conditions after super typhoons" will be made via press releases website of the Information Services Department

(http://www.info.gov.hk/gia/general/today.htm)

All times mentioned in this website and the EOI invitation document are Hong Kong time.

The interested companies can download the application form at the bottom of this website to request for the EOI invitation document. The duly completed application form stamped with company chop shall be returned to DSD by email to tpstw@dsd.gov.hk. Upon confirming the receipt of relevant information by DSD, the EOI invitation document will be sent to the email address provided.

An on-line briefing session will be held on 2 June 2026 (Tuesday). For details, please refer to the EOI invitation document.

Chief Engineer/Sewerage Projects, DSD

Email Address: tpstw@dsd.gov.hk

1. The target parties for this EOI invitation include relevant developers, contractors and operators. If necessary, DSD will require the companies which request for the EOI invitation document (the requesting companies) to provide supplementary information on their scope of business.

2. The requesting companies should provide their company information in the application form stamped with the company chop for ease of identification. If the requesting companies do not provide sufficient information, DSD may not be able to process the applications. All information collected is for the purpose of application for requesting the EOI invitation document.

3. An acknowledgement email would be automatically generated and sent to the requesting companies upon a successful submission of application form. If you do not receive an acknowledgement email within two working days, please contact DSD by email (email address: tpstw@dsd.gov.hk).

4. EOI invitation document will be sent to the email address provided. Please make sure that all information provided is accurate and complete. DSD will not be responsible for any failure of communication or correspondence due to inaccurate/incomplete information provided.

5. The requesting companies shall not disclose the EOI invitation document or any information (including any drawings, specifications, documents, design, materials) provided by the Government to the requesting companies for the purpose of this EOI exercise, to any person other than Authorised Persons. Any disclosure to any Authorised Person shall be in strict confidence and shall be on a “need to know” basis and extend only so far as may be necessary for the purposes of preparing and making submissions for this EOI exercise. For the purpose of this point to note, an Authorised Person shall mean any of (i) employees, agents, associates, consultants, and any other persons engaged in connection with this EOI exercise of the requesting companies; (ii) potential partners (e.g. shareholder of incorporated joint venture, engagement of specialist(s) / subcontractors) of the requesting companies for the project; and (iii) employees, agents, associates, consultants, and any other persons engaged in connection with this EOI exercise of the potential partners in item (ii).

6. The Government reserves the right, without prior consultation or notice, to make any amendment to this EOI invitation document. Any amendments made after the issuance of this EOI invitation document will be communicated to all companies who have made request to DSD and obtained the full set of EOI invitation document in writing during the EOI period.

7. Personal data provided in the application form will be used for handling the request for the EOI invitation document or notifying the requesting companies supplementary information or amendment concerning this EOI invitation, if any. It may be disclosed to relevant bureaux/departments and their consultants in processing the information related to the aforesaid purpose. The requesting companies have rights of access and correction with respect to the personal data provided in this application form. Such request may be made in writing to DSD by email to tpstw@dsd.gov.hk.