To align with the Government's policy, the Water Supplies Department ("WSD") will accept plumbing proposals of application for water supply ("AWS") for projects designed using BIM in electronic format ("e-submission") by late 2021.

This Guidelines provides the general requirements on e-submission of AWS with BIM and shall be read in conjunction with the "Guide to Application for Water Supply", and the "Technical Requirements for Plumbing Works in Buildings".

This Guidelines and information relevant to Requirements on Plumbing Works and Submissions, can be found in WSD website: https://www.wsd.gov.hk/en/plumbing-engineering/requirements-for-plumbing-installation/index.html