Telephone Directory of the Government of the HKSAR And Related Organisations - Mainland South 1(Wong Tai Sin, Tseung Kwan O, and Information Technology)

This is a website where you can search for most of the telephone numbers of officers and hotlines in respect of government bureaux / departments and related organisations.

Last Updated: 09/01/2026

Drainage Services Department
Operations & Maintenance Branch
Mainland South Division
Mainland South 1(Wong Tai Sin, Tseung Kwan O, and Information Technology)

Mainland South 1(Wong Tai Sin, Tseung Kwan O, and Information Technology)

Address	8/F & 10/F, Drainage Services Tower, 8 Ying Wa Street, Cheung Sha Wan, Kowloon
Office Tel	3965 8946
Fax	3965 7356

Mainland South 1(Wong Tai Sin, Tseung Kwan O, and Information Technology)
Address 8/F & 10/F, Drainage Services Tower, 8 Ying Wa Street, Cheung Sha Wan, Kowloon	Office Tel 3965 8946	Fax 3965 7356

Full Name	Post Title	Office Tel	Email
Full Name Mr. CHAN Chi Cheung	Post Title Sr Engr/Mainland South 1	Office Tel 3965 8946	ccchan@dsd.gov.hk
Email ccchan@dsd.gov.hk
Full Name Miss TSANG Wai Ching	Post Title Engr/Kowloon 4	Office Tel 3965 8943	wctsang02@dsd.gov.hk
Email wctsang02@dsd.gov.hk
Full Name Mr. TSE Yat Sing	Post Title Engr/Tseung Kwan O	Office Tel 3965 8942	ystse@dsd.gov.hk
Email ystse@dsd.gov.hk
Full Name Ms. CHONG Shuk Man	Post Title Engr/A2	Office Tel 3965 8944	smchong@dsd.gov.hk
Email smchong@dsd.gov.hk
Full Name Mr. LO Wing Hang, Tony	Post Title IT Services Manager	Office Tel 3965 7354	tonywhlo@dsd.gov.hk
Email tonywhlo@dsd.gov.hk
Full Name Mr. KONG Chin Ching	Post Title Insp of Works/Kowloon 4	Office Tel 3965 8965	cckong02@dsd.gov.hk
Email cckong02@dsd.gov.hk
Full Name Mr. YUEN Wai Man, Sherman	Post Title Insp of Works/Tseung Kwan O	Office Tel 3965 8996	swmyuen@dsd.gov.hk
Email swmyuen@dsd.gov.hk
Full Name Mr. CHAN Chun Man	Post Title Asst Insp of Works/Kowloon 4-1	Office Tel 3965 8984	cmchan16@dsd.gov.hk
Email cmchan16@dsd.gov.hk
Full Name Mr. WONG Cheuk Kwok	Post Title Asst Insp of Works/Tseung Kwan O	Office Tel 3965 8997	ckwong12@dsd.gov.hk
Email ckwong12@dsd.gov.hk
Full Name Mr. LAM Tak Wing	Post Title Sr Tech Offr(Civil)/IT	Office Tel 3965 7478	twlam02@dsd.gov.hk
Email twlam02@dsd.gov.hk

Remarks:

1.For those calling from places outside Hong Kong, please dial the area code "852" before the telephone number (not applicable to overseas offices).
2.Click the name of officer/enquiry for further information.
3.All data on this website are provided and updated by respective bureaux / departments and related organisations.