Waste

Waste Arisings
 


Construction Phase

The type and quantity of waste generated from the Project are summarised in the table below:

Type of Waste Quantity Proposed Disposal Location
Advance Work
Sediment

-

-
Surplus Inert C&D materials (m3)

15,000

Public fill reception facility in HK
Construction Waste (m3)

3,750

NENT Landfill
Chemical Waste

Few hundred litres per month

To Chemical Waste Treatment Centre in Tsing Yi.
General Refuse

195 kg per day

NENT Landfill in HKSAR
River Modification and Associated Works
Sediment (m3)

-

-
Category L

27,000

Huangmao Dao in Zhuhai
Category M (passed biological screening)

4,000

Type 1 Open Sea Disposal (Dedicated Sites) to the areas managed by the CEDD in the HKSAR
To the extent accepted and approved by the local authorities
Category M (failed biological screening) and Category

64,000

Type 2 Confined Marine Disposal to the facilities managed by the CEDD in the HKSAR
Surplus Inert C&D materials (m3)

471,200

Huangmao Dao in Zhuhai
Construction Waste (m3)

9,200

Landfills in Shenzhen
Chemical Waste

Few hundred litres per month

To a facility licensed to receive chemical waste in Shenzhen
General Refuse (kg per day)

682.5 kg per day

Landfills in Shenzhen

Notes:
1. In-situ volume



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Operation Phase

Maintenance dredging will be carried out along the river channel and at the flood retardation pond. The volume of sediment cannot be determined at this stage but is anticipated to be lower than the volume of capital work dredging during the construction phase.