SEDL / STP / STP1129-EB / STP19747S

Design, Construction and Performance of a Deep Circular Diaphragm Hall

Bruce, DA
Technical DirectorDesign EngineerPartner, Nicholson Construction CompanyMueser Rutledge Consulting Engineers,

Chan, PHC
Technical DirectorDesign EngineerPartner, Nicholson Construction CompanyMueser Rutledge Consulting Engineers,

Tamaro, GJ
Technical DirectorDesign EngineerPartner, Nicholson Construction CompanyMueser Rutledge Consulting Engineers,

Pages: 12    Published: Jan 1992

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Abstract

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.