Eight months after a Singapore mass-transit tunnel collapsed, the commission of inquiry has yet to determine why. Now in recess, it is expected to take a couple of months after it reconvenes in January to reach a verdict. The delay is prolonging confusion surrounding the project. Officials of the owner, Land Transport Authority, now say that recovering from the collapse will add two years to the schedule. The commission on Aug. 2 began to investigate the April 20 collapse of the excavation for the Nicoll Highway Station on the Circle Line subway in which four workers were killed (ENR 5/17 p. 12). It was being built under a $158-million contract by a joint venture of Nishimat-su Construction Co., Tokyo, and Singapore-based Lum Chang Building Contractors.
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机译：在新加坡地铁隧道坍塌八个月后，调查委员会尚未确定原因。现在正处于休会期，预计在一月份重新召开会议后要过几个月才能做出裁决。延迟正在延长围绕该项目的混乱。业主土地运输管理局的官员现在说，从崩溃中恢复过来将使时间表增加两年。该委员会于8月2日开始调查4月20日在Circle Line地铁上的Nicoll高速公路站的挖掘塌方，其中有4名工人被杀（ENR 5/17第12页）。它是由东京的Nishimat-su Construction Co.和新加坡的Lum Chang Building Contractors的合资企业以1.58亿美元的合同建造的。
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