Henderson + A.R. The collapse of the Nicoll Highway during excavations for the cut-and-cover tunnels for the new Circle Line in Singapore (Phase 1 contract C824) has been extensively documented in a Committee of Inquiry report (COI, 2005). Pickles S. Study Resources. The accident deeply impacted Singapores local construction industry. It is one of the two major operators of Singapore's rail services along with SBS Transit. Interim Report on the investigations by the Committee of Inquiry into the collapse of Nicoll Highway on 20 April 2004 A12. How hard does the wind blow historically at the site? The full report of the issues leading to the collapse is described in the Committee of Inquiry report and by Endicott (2013). 2. and Lau, J.M., 2005. killing three workers. Singapore Botanic Gardens was recognised as a UNESCO World Heritage Site. THE lawyers handling the Nicoll Highway collapse inquiry were muted in their response to the release of the Interim Report on Monday. The collapse occurred in 2004 as a consequence of the failure of a 33m deep excavation adjacent to Nicoll Highway in Singapore. The Nicoll Highway collapse was a construction accident that occurred at approximately 3:30 p.m. Singapore Time (UTC+8:00) on 20 April 2004 in Kallang, Singapore when a tunnel being constructed for use by MRT trains collapsed. Government Response to Interim Report of the Committee of The reconstructed Nicoll Highway today bears no sign of the shock the collapse and subsequent deaths caused the nation. The collapse of a tunnel retaining wall Nicoll Highway excavation was located in Singapore and collapsed on April 20th, 2004 at around 3.30 pm. Search for web content, images, videos, news, and maps. note revisits the collapse of Nicoll Highway in Singapore in 2004, hoping that we are reminded of the issues causing this fatal collapse and the lessons so learnt. Analysis of the ground conditions had been based on the use of Method A, which looked at the mechanical properties of drained soil. Road collapses along Nicoll Highway A PORTION of Nicoll Highway outside the Golden Mile Complex appears to have collapsed, and access to the road has been blocked off by police and civil defence officers at the scene. Sign Up; Home Forum Most Active Discussions Latest Car-related Discussions Collapse of the strut-supported excavation A section of temporary retaining wall structure ad-jacent to Nicoll Highway collapsed almost sudden-ly within a matter of a few minutes at 3:30 p.m. on April 20, 2004. The collapse hit a 110m section of tunnel being constructed for Singapore Mass Rapid Transit's new Circle Line, adjacent to the six lane Nicoll Highway. Ministry of Transport. Four workers died when steel struts supporting the excava-tion's diaphragm walls failed, causing the tunnel to cave in on 20 April last year. The report, Report on the incident at the MR T Circle Line worksite that led to the collapse of the Nicoll Highway on 20 April 2004 by the Committee of Inquiry 10/5/05 [Chairman Richard Magnus, Senior District Judge, Subordinate Court; Er. Committee of Inquiry into the Incident at the MRT Circle Line Worksite that led to the Collapse of Nicoll Highway on 20 April 2004: Contributor: Singapore. NICOLL HIGHWAY COLLAPSE, SINGAPORE Professor John Endicott Fellow, AECOM Hong Kong ABSTRACT During the construction of Contract C824 of the Circle Line in Singapore, on 20 th Golden Mile Complex. Site Plan Merdeka Bridge Station Area X-over Box. Hijack of Singapore Airlines Flight 117 (26th March 1991) During construction for the then-upcoming SMRT Circle Line, a tunnel at Nicoll Highway collapsed when its supporting structure gave way. After the World Trade Center collapse in Ground conditions, site history and the strutting system were all implicated. They use that data, add what is an accepted margin for stronger winds The collapse hit a 110m section of tunnel being constructed for Singapore Mass Rapid Transit's new Circle Line, adjacent to the six lane Nicoll Highway. The excavation width was 20.1 m and was planned to construct in 11 stages. For two years after the 2004 Nicoll Highway collapse, Madam Poa Beng Hong looked out of her kit-chen window every evening, waiting for her husband to come home. In-text: (Ministry of Transport, 2004) Your Bibliography: Ministry of Transport, 2004. Biblioteca personale The island city-state of Singapore has one of the best public transport systems in the world. The Nicoll Highway collapse in 2004 in Singapore is described, based on a presentation by a special appointee to Singapores Land Transport Authority assigned to analyze the factors leading up to it and make recommendations to avoid future problems. Main article: Nicoll Highway collapse The tunnels linking to the station caved in along with a 100 m (330 ft) stretch of the Nicoll Highway on 20 April 2004. #onthisday in 2004, a temporary retaining wall of the tunnel at the Nicoll Highway Circle Line MRT station construction site collapsed at around 3.30pm. The collapsed site was quickly stabilised through the injection of concrete into areas vulnerable to movement or further collapse. Several vehicles, equipment and construction materials were retrieved using a specialised crane. He presented the BGA Rankine Lecture in 1992 and a State-of-the-Art report on Geotechnical Analysis and Design at the 2009 international conference of ISSMGE. May Day. The cave-in caused a crater 30 m deep, 100 m wide and 150 m long along Nicoll Highway. #onthisday in 2004, a temporary retaining wall of the tunnel at the Nicoll Highway Circle Line MRT station construction site collapsed at around 3.30pm. Introduction of the EZ-Link Card. nicoll highway collapse case studydid barbara harris grant remarry. An overview of the site of failure is Travel. In Singapore, the Nicoll Highway collapsed on 20 April 2004 (Goh and Soon 2014), and it remains one of the worst industrial accidents that Singapore has had. On April 20, 2004, a stretch of Nicoll Highway collapsed in Singapore, killing four men and leaving a 30-meter (98 ft) deep ravine. The incident occurred due to the collapse of a temporary retaining wall of a tunnel at the nearby Mass Rapid Transit (MRT) station. As a result, the collapsed section was unpassable for more than seven months. Introduction of the EZ-Link Card. Numerous causes are possible especially forms of extreme loading, such as blast, fire, earthquake, or vehicle collisions. Failures in construction almost always occur because of insufficient "what if?" The Concourse Plaza Hotel. First Car-Free Day. The final excavation depth was 33.3 m, but the support system collapsed when the excavation reached - Jump to navigation Jump to search. Tunnel collapse [edit] Main article: Nicoll Highway collapse The tunnels linking to the station caved in along with a 100 m (330 ft) stretch of the Nicoll Highway on 20 April 2004. The steel support for the tunnel that was being built for the Circle Line collapsed and the highway caved in, resulting in a 30m-deep cave-in that spread across six lanes of Nicoll Highway. 1.0 The Incident The excavation concerned was 20m wide and 33m deep, measuring from the ground level, supported by 10 layers of waling and strutting, and 2 layers of jet-grout props. Nicoll Highway collapse in 2004 the defining failure of that decade. At about 3:30pm on April 20, 2004, a 30m deep excavation adjacent to Nicoll Highway in Singapore collapsed, resulting in four casualties and a delay of part of a US$4.14 the 30m . SHORT DESCRIPTION The Nicoll Highway collapse was a construction accident that occurred at approximately 3:30 p.m. Singapore Time (UTC+8:00) on 20 April 2004 in CASE STUDY. Local Major Incidents. 2004420330C824The Collapse of Nicoll Highway A park bench in Tampines has been dedicated in honour of foreman Heng Yeow Pheow who died in the Nicoll Highway collapse 10 years ago.. Read more at straitstimes.com. Nicoll Highway Nicoll Highway 2 3. Park Place Residences @ PLQ Park Place Residences @PLQ makes the perfect home for those who are looking to stay within amenities and as well as investors who wish to collect rental for the long term. The supporting scaffolding and structure around the deep excavation for the Circle Line collapsed. Arguably the Nicoll Highway collapse did play a part in that and in fact, it can and should be used as an argument against excessive haste . Although most escaped Report on the Incident at the MRT Circle Line Worksite that Led to the Collapse of the Nicoll Highway on 20 April 2004: Author: Singapore. The disaster occurred due to the collapse of a temporary retaining wall of the tunnel at the Mass Rapid Transit (MRT) Circle Line at Nicoll Highway. Nicoll Highway Incident WONG Kai Sin 6 11 66 KV Cable Layout Plan TSA Nicoll Highway Soil Conditions Nicoll Highway 12 LMC F2 lower F2 upper UMC E Fill JGP1 JGP2 RL 2004420330C824The Collapse of Nicoll HighwayThe Nicoll Highway collapse could have been prevented. Nicoll Highway Collapse. Published 2006. As a result, a 30-metre-deep ravine was created. The Nicoll Highway Collapse D. W. D W Hight Hi ht T.O. The COI concluded that critical design errors led to the collapse of part of the The The cause of the incident was attributed as incidental. Singapore Achieves Internal Self Governance. The Nicoll Highway collapse in 2004 may have been physically and emotionally draining for many, but Mr Yeo noted that morale was high during the operations as people poured their hearts and soul into overcoming the disaster. Among other losses, the construction company lost two cranes and substantial Nicoll Highway MRT Station is a MRT station in Singapore, and it was only been there when the Nicoll Highway collapse on 17 April 2004. The Nicoll Highway collapse led to four deaths, and the body of the foreman, Mr Heng Yeow Peow, who saved several workers during the collapse, was never found. The Committee of Inquiry report (COI, 2005) identified two key errors in the design of the temporary lateral earth Also, when the Nicoll Highway sank, gas, water, and electricity cables were ruptured. Geology. Secondly, numerical simulations of Nicoll highway excavation focusing on specific cross-section within the collapse area are presented, showing good fit between inclinometer data and simulations up to the final stages immediately preceding the excavation collapse. MDOT. Inadequate temporary works and design and construction errors all Four workers died when steel struts The Nicoll Highway excavation shoring construction collapse occurred in Singapore on April 20, 2004, around 3:30 pm. He attributes the efficiency of crisis management to his strong and supportive dream team during his time as Commander. The construction site of Nicoll Highway MRT station as seen in 2007. The Nicoll Highway collapse was a construction accident that occurred at approximately 3:30 p.m. Singapore Time (UTC+8:00) on 20 April 2004 in Kallang, Singapore when a tunnel being constructed for use by MRT trains collapsed. References This page was last changed on 18 January 2020, at 04:53. Nicoll Highway and other surrounding assets and structures. But it is the mechanism and its prevention which are of especial interest and concern. This is not like the Nicoll Highway (accident). INTERIM REPORT ON THE INCIDENT AT THE MRT CIRCLE LINE WORKSITE THAT LED TO THE COLLAPSE OF THE NICOLL HIGHWAY ON 20 APRIL 2004 by THE COMMITTEE OF INQUIRY One of the key factors causing failure was improper Archived from the original on 22 April ^ a b "Government Response To The Final Report Of The Committee Of Inquiry Into The Nicoll Highway Collapse". At 3.30pm on April 20, 2004, one of the worst construction accidents in Singapore's 1.0 The Incident The excavation The Nicoll Highway collapse was a construction accident that occurred at approximately 3:30 p.m. Singapore Time (UTC+8:00) on 20 April 2004 in Kallang, Singapore when a tunnel being constructed for use by MRT trains collapsed. The tunnel was part of the construction of the underground Circle Line, near Nicoll Highway station. ' '' ''' - -- --- ---- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- The supporting structure for the deep excavation work failed, r Under hard rock conditions the mortar tends - due to the over excavation - to flow around the body of the TBM and to the front and into the working chamber and so leaving voids outside the segmental lining. This paper summarizes the site Ong was previously involved in the inquiry into the collapse of the Circle Line at Nicoll Highway in 2004. The tunnel was part of the construction of the underground Circle Line, near Nicoll Highway station. SMRT Corporation is a multi-modal public transport operator in Singapore operating bus and rail services. IN THE final chapter of the Nicoll Highway trials, District Judge Valerie Thean on Friday fined Nishimatsu Construction Company's three senior executives for their acts of neglect which played a part in the tunnel collapse two years ago that claimed four lives. The collapse of a tunnel retaining wall caused soil subsidence,[12] creating a hole 100 metres long, 130 metres wide, and 30 metres deep (328 by 427 by 98 ft). The collapse at Nicoll Highway Station in Singapore 7.30 pm 21st Oct. 2015 at Trinity College. Collapsed section of NCH. Moreover, the collapse caused about 100 metres of the Nicoll High to descend about 30 metres deep. Singapore Entered A State of Emergency. . Nicoll Highway MRT station. The public inquiry into the Nicoll Highway disaster has identified how the tunnel failed. The excavation width was 20.1 m and was planned to construct in 11 stages. . Nov 11, 2019 450 Dislike Share Save MustShareNews 34.1K subscribers Subscribe 15 years ago, the collapse of Nicoll Highway sent shockwaves throughout Singapore as it became the worst Golden Mile Tower. The Nicoll Highway in Singapore collapsed on Construction of a Because the building was unable to support its own weight, it was only a matter of time before it would collapse. Dr. Tee Cee Ming, Associate Professor, Nanyang Technological University; Er. Today marks exactly 10 years since the Nicoll Highway collapse. A. Whittle, R. Davies. The collapse of the tunnel led to the death of three construction workers, with several other injuries, and a part of Nicoll Highway, Singapores major east-west harbor front road, was destroyed as shown in Fig. SCDF officer looks back at 2004 Nicoll Highway tragedy By Imelda Saad, Channel NewsAsia, 18 Apr 2014 They were working round the clock for four days under conditions described as the most difficult and dangerous operation since the The collapse occurred as a result of two [13] The last missing man is Singaporean.The accident caused part of Nicoll Highway, leading into Singapore's business district, to fold. Collapse of the bridge over the Saint-tienne river in the island of La Runion Authors: Christian Binet , Jean-Michel Lacombe , Ivan Martin Source: Forensic engineering: From Today marks exactly 10 years since the Nicoll Highway collapse. The scene following the April, 2004 collapse of a section of tunnel being built for the Circle Line in Singapore. 20 th April 2004. The Nicoll Highway collapse in Singapore was possibly the greatest civil engineering disaster of the last decade. II. testing. Publications. The 2004 Nicoll Highway collapse is one of the worst construction accidents in Singapore's history. Nicoll Highway Collapse : Evaluation of Geotechnical Factors Affecting Design of Excavation Support System. Nicoll Highway Collapse. Here, we list some major incidents that occured in Singapore and required substantial SCDF's resources to aid in fire-fighting, search and rescue. Located in District 14 at Paya Lebar Road-Paya Lebar Quarter (PLQ), Park Place Residences @PLQ is inviting, relaxed, spacious, one, two, a three-bedroom condominium of a The Nicoll Highway collapse could have been prevented. leading to the collapse of the Nicoll Highway on April 20th 2004. Official website for Google search engine. Singapore Achieves Internal Self Governance. This happened at around 3:45 pm. The factors involved with the collapse were given as the ground conditions, site history, wall analysis and the strutting system. The ground above caved in, bringing down the steel supports over the tunnel and a portion of Nicoll Highway. sociated with poor understanding of soil conditions in the extremely soft soil area in Singapore.