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Issue of Revised "PNAP APP-164 Enhanced Design Standards of Aboveground Drainage System

Dear Sir/Madam,

The Building Authority has issued the following revised Practice Note for Authorized Persons, Registered Structural Engineers and Registered Geotechnical Engineers (PNAP) which can be viewed /downloaded vide the link below :
PNAP APP-164 - "Enhanced Design Standards of Aboveground Drainage System"

2. This revised practice note provides amendments for the inclusion of design guidelines for rain water pipes of the aboveground drainage system.    

3. Frequent visits to the Buildings Department homepage at www.bd.gov.hk and the social media platforms at www.facebook.com/BuildingsDepartment and www.instagram.com/buildingsdepartment will keep you abreast of the latest announcements of the department.  

Technical Services Section
Buildings Department