The Happy Valley Underground Stormwater Storage Scheme came into full operation in March 2017. Photo shows the scheme site. The enclosed picture shows the scheme’s stormwater storage tank with a capacity of 60 000 cubic metres.
The Happy Valley Underground Stormwater Storage Scheme came into full operation in March 2017. Photo shows the scheme site. The enclosed picture shows the scheme’s stormwater storage tank with a capacity of 60 000 cubic metres.
The Happy Valley Underground Stormwater Storage Scheme came into full operation in March 2017. Photo shows the scheme site. The enclosed picture shows the scheme’s stormwater storage tank with a capacity of 60 000 cubic metres.
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