SYMPOSIA PAPER Published: 01 January 1992

Design, Construction and Performance of a Deep Circular Diaphragm Hall


The new Richmond Avenue Pump Station in Staten Island NY was successfully constructed to a depth 27m below existing grade within a 16.5m circular, 50m deep slurry wall cofferdam. Construction was carried down through water bearing sands with minimal dewatering of the interior of the cofferdam and with no distress to the surrounding residential structures. This paper describes the design, construction and performance of the slurry wall and the general excavation.

Author Information

Bruce, DA
Chan, PHC
Tamaro, GJ
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Developed by Committee: D18
Pages: 391–402
DOI: 10.1520/STP19747S
ISBN-EB: 978-0-8031-5191-8
ISBN-13: 978-0-8031-1427-2