(Process) Site Documentation @Pottinger Street Hongkong

Adding building facade detail.
People activities  from previous diagrams will be combined.

Placing the water pipe,water tank, A/c cooling units in facade of the buidling,refernece from photo documentation.



Also, Looking at various pipe sizes and dimension regarding Hongkong water infrastructure.

Pipe Materials

2.1 In Hong Kong, pipe materials commonly used for various sizes of water mains are as follows :
Pipe Material Nominal Diameter
Mild Steel (MS) 600 mm and above
Ductile Iron (DI) 80 mm to 600 mm
Asbestos Cement (AC) 100 mm to 450 mm
uPVC (uPVC) 100 mm and below
Un-lined Galvanized Iron (GIU) 100 mm and below
Lined Galvanized Iron (GIL) 100 mm and below
Polyethylene (PE) 150 mm and below

Information came from Water supply department of Hong kong, which there are a lot of detailed drawings can be downloaded.

Hongkong Water infrastructure information :
 -nominal pressure rating PN16 

PVC pipe various connection