❓ The Minister for Planning and Infrastructure answers a question regarding road closures on William Street and Roe Street due to a broken stormwater pipe and groundwater inflow during rail tunnel excavation, respectively. Leighton Kumagai undertook repairs and contacted relevant authorities.
AnsweredQoN 383Legislative Assembly
QuestionView source ↗
(ii) on how many occasions they were closed; (iii) the dates and length of time that each street was closed; and (iv) the exact nature of the problem that occurred on each occasion?
(iii) the dates and length of time that each street was closed; and (iv) the exact nature of the problem that occurred on each occasion?
(iv) the exact nature of the problem that occurred on each occasion?
(a) Yes. There has been one full closure and one partial road closure. It should also be noted a few other very short-term partial road closures have occurred for reasons such as excavated material spilling from trucks or similar minor incidents, but these issues have typically been addressed quickly enabling roads to be reopened within one to two hours or in some cases, much sooner. These are considered insignificant and are not described below. (i) William Street between Wellington and Murray Streets, where there was a full road closure, and Roe Street between William and Lake Streets, where there was a partial (i.e. one lane) road closure and a short term full closure. (ii) Once in each location. (iii) The full road closure in William Street was implemented on the morning of 13 May 2005. It was in place for just over one day, with William Street being reopened in the afternoon of 14 May 2005. The partial (i.e. one lane) road closure in Roe Street was implemented on the afternoon of 12 August 2005. It was in place for seven days, with Roe Street being reopened in the afternoon of 19 August 2005. During this period some adjustments were made to traffic arrangements in some nearby streets in Northbridge to accommodate traffic volumes through the area. The short term full closure of Roe Street was implemented at 1630 hours on 12 August 2005 and was in place for two and a half hours. This closure was implemented when a sinkhole developed in the temporary cycle path beside Roe Street. Roe Street was not reopened until the precise location of the underground void described below had been ascertained and public safety could be guaranteed. (iv) For the closure in William Street, the problem was caused by an undetected, broken section of old stormwater drainage pipe that flowed northwards beneath William Street. Leighton Kumagai promptly contacted the relevant authorities, then closed the road and undertook repairs. Costs for this repair are being recovered from the Local Government Authority responsible for the pipe. For the closure in Roe Street, the problem was caused by groundwater inflow into the excavation for the rail tunnel in the Perth Rail Yard. Upon observing the influx of groundwater and soil, Leighton Kumagai again responded by promptly contacting the relevant authorities, closing the road and undertaking repairs.
(iii) the dates and length of time that each street was closed; and (iv) the exact nature of the problem that occurred on each occasion?
(iv) the exact nature of the problem that occurred on each occasion?
(a) Yes. There has been one full closure and one partial road closure. It should also be noted a few other very short-term partial road closures have occurred for reasons such as excavated material spilling from trucks or similar minor incidents, but these issues have typically been addressed quickly enabling roads to be reopened within one to two hours or in some cases, much sooner. These are considered insignificant and are not described below. (i) William Street between Wellington and Murray Streets, where there was a full road closure, and Roe Street between William and Lake Streets, where there was a partial (i.e. one lane) road closure and a short term full closure. (ii) Once in each location. (iii) The full road closure in William Street was implemented on the morning of 13 May 2005. It was in place for just over one day, with William Street being reopened in the afternoon of 14 May 2005. The partial (i.e. one lane) road closure in Roe Street was implemented on the afternoon of 12 August 2005. It was in place for seven days, with Roe Street being reopened in the afternoon of 19 August 2005. During this period some adjustments were made to traffic arrangements in some nearby streets in Northbridge to accommodate traffic volumes through the area. The short term full closure of Roe Street was implemented at 1630 hours on 12 August 2005 and was in place for two and a half hours. This closure was implemented when a sinkhole developed in the temporary cycle path beside Roe Street. Roe Street was not reopened until the precise location of the underground void described below had been ascertained and public safety could be guaranteed. (iv) For the closure in William Street, the problem was caused by an undetected, broken section of old stormwater drainage pipe that flowed northwards beneath William Street. Leighton Kumagai promptly contacted the relevant authorities, then closed the road and undertook repairs. Costs for this repair are being recovered from the Local Government Authority responsible for the pipe. For the closure in Roe Street, the problem was caused by groundwater inflow into the excavation for the rail tunnel in the Perth Rail Yard. Upon observing the influx of groundwater and soil, Leighton Kumagai again responded by promptly contacting the relevant authorities, closing the road and undertaking repairs.
AnswerView source ↗
Answered
22 September 2005
Responded by
Minister for Planning and Infrastructure
Response time
29 days
(a) Yes. There has been one full closure and one partial road closure. It should also be noted a few other very short-term partial road closures have occurred for reasons such as excavated material spilling from trucks or similar minor incidents, but these issues have typically been addressed quickly enabling roads to be reopened within one to two hours or in some cases, much sooner. These are considered insignificant and are not described below. (i) William Street between Wellington and Murray Streets, where there was a full road closure, and Roe Street between William and Lake Streets, where there was a partial (i.e. one lane) road closure and a short term full closure. (ii) Once in each location. (iii) The full road closure in William Street was implemented on the morning of 13 May 2005. It was in place for just over one day, with William Street being reopened in the afternoon of 14 May 2005. The partial (i.e. one lane) road closure in Roe Street was implemented on the afternoon of 12 August 2005. It was in place for seven days, with Roe Street being reopened in the afternoon of 19 August 2005. During this period some adjustments were made to traffic arrangements in some nearby streets in Northbridge to accommodate traffic volumes through the area. The short term full closure of Roe Street was implemented at 1630 hours on 12 August 2005 and was in place for two and a half hours. This closure was implemented when a sinkhole developed in the temporary cycle path beside Roe Street. Roe Street was not reopened until the precise location of the underground void described below had been ascertained and public safety could be guaranteed. (iv) For the closure in William Street, the problem was caused by an undetected, broken section of old stormwater drainage pipe that flowed northwards beneath William Street. Leighton Kumagai promptly contacted the relevant authorities, then closed the road and undertook repairs. Costs for this repair are being recovered from the Local Government Authority responsible for the pipe. For the closure in Roe Street, the problem was caused by groundwater inflow into the excavation for the rail tunnel in the Perth Rail Yard. Upon observing the influx of groundwater and soil, Leighton Kumagai again responded by promptly contacting the relevant authorities, closing the road and undertaking repairs.
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