City Storm Drainage Pipe Work Status: According to the latest feedback from HED Zone, HED will give 2 connection points along Gangyi Road. As Gangyi road is in process of design, this information will be provided later which to be considered together with neighbor site. Connection well elevation is estimated around 1m so that allow for gravity drainage. More detailed information shall be verified by GC/LDI for the detailed connection details to provide a complete and workable system.[Optional ] Due to the uncertainties of outside discharge efficiency, the Contractor to provide the pumping system for pressurized discharge system for the strom drainage system as optional price.