Dubai Strategic Sewerage Tunnels
ESTIMATED65% CONFIDENCEA target, per the source[1]: "no official date [is] set, although the broad expectation is for the early 2030s," with tunnel contracts expected to be awarded from 2030.
Dubai has approved a $22BN network of deep sewer tunnels, up to 90m underground, to replace a patchwork system of over 150 pumping stations that has occasionally spilled onto the city's streets.
$22B
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