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DTSS T05

Owner:
Client:
Service:
Design and Construction Supervision of Shafts and Access Tunnels
Estimated cost:
$75,800,000
Commencement:
December 01, 1998
Completion date:
Location:
Singapore
Technical data:

Section T02 comprises 7716 of 6m inner diameter sewerage tunnel, 6 permanent access shafts and 3 lateral access tunnels connecting the access shafts with the sewerage

Geology description:

Light gray to medium gray slightly to moderately weathered Petersburg Granite (quartz, hornblende, biotite); dark grayish, slicken-sided Amphibolite layers (biotite, hornblende, feldspar);

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