The Pinnacle@Duxton

The Pinnacle@Duxton is a 50-storey residential development in Singapore 's city center, next to the business district.[1] All seven connected towers are collectively the world's tallest public residential buildings, and featuring the two longest sky gardens ever built on skyscrapers, at 500m each.[2][3][4][5]

The Pinnacle@Duxton
General information
StatusComplete
TypePublic Housing
Architectural styleHigh-rise
LocationCantonment Road, Singapore
Coordinates1°16′36″N 103°50′29″E
Construction startedApril 2005 (2005-04)
Completed13 December 2009 (2009-12-13)
CostS$279 million
Height
Roof156 m (512 ft)
Technical details
Floor count50 storeys & basement carpark
Lifts/elevators35
Design and construction
ArchitectLouis Tan, Khoo Peng Beng,
Belinda Huang,
Sandy Ng,
Lim Khim Guan and
ARC Studio Architecture + Urbanism
in Collaboration with
RSP Architects, Planners & Engineers (Pte) Ltd
DeveloperHousing and Development Board
Main contractorChip Eng Seng Corporation

Unique amongst Housing and Development Board (HDB) projects, it is the design winner of a worldwide competition which attracted more than 200 entries. Residences are designated as special types, S1 and S2, having altogether 35 different unit variations – with dissimilar combinations of features such as extended bays, balconies, bay windows and planter areas.

In addition, a viewing gallery on the 52nd storey provides for special events and VIP state visitors. On 8 August 2010, Prime Minister Lee Hsien Loong delivered his annual National Day message from the gallery.[6] Owing to the sky gardens' popularity as an elevated viewing location for National Day firework displays on 9 August, entry for the day may be publicly balloted.[7]

Pinnacle@Duxton was conferred the 2010 Best Tall Building (Asia and Australasia) award by the Council on Tall Buildings and Urban Habitat, as well as the 2011 Urban Land Institute's Global Awards for Excellence.[8] The development has been featured in numerous local and foreign documentaries, including Discovery Channel's "How we invented the World: Skyscrapers"

History
The Tanjong Pagar Housing Estate with the Pinnacle@Duxton in the background

The Duxton Plain site is historically significant as the site of the first two ten-storey HDB blocks in the Tanjong Pagar area and amongst the oldest built by the HDB in the country.[9] Redevelopment of Duxton Plain was initiated by Singapore's founding Prime Minister, former Minister Mentor and Tanjong Pagar's Member of Parliament for 60 years, Lee Kuan Yew in August 2001.[10] to commemorate the historical significance of the previous blocks.

Design

An international architectural design competition was conducted by the Urban Redevelopment Authority on behalf of the Ministry of National Development between 8 August 2001 and 21 September 2001.[11]

The following features were required for entry into the competition:

  • Accommodation of the adjacent Community Club, which was built by the People's Association in 1960 as part of the first batch of community centres, so that it formed part of the housing community.
  • Landscaping strategies that seamlessly extended the adjacent Duxton Plain Park horizontally and vertically into the development by incorporating rooftop and high-level sky gardens.
  • Environmental appropriateness and ability to create a strong sense of ownership. The mature trees around the perimeter of the site, and the jambu ayer and nutmeg trees planted by MM Lee in November 1984 and 1989, were also required to be retained and integrated into the landscaped areas.
  • Re-siting of plaques commemorating the laying of the foundation stone on 15 March 1963 and the opening ceremony on 10 April 1964 by the then Prime Minister Lee Kuan Yew.
  • As a form of subsidised housing, the proposals had to be cost-effective.

To maximise innovation, the design brief and technical requirements were kept to a minimum, with mainly the mandatory requirements specified.[11]

Winning design

The competition was keenly contested with 202 entries submitted by design agencies around the world.

It was eventually won by two Singapore architecture companies, ARC Studio Architecture + Urbanism, in collaboration with RSP Architects Planners & Engineers (Pte) Ltd.

The HDB expressed concern about several features of the original design:[12]

  • Boulevards of trees along its skybridges (fear of falling branches).
  • Glass panels instead of steel railings for unimpeded views (some people might faint).
  • Publicly accessible skybridges linking its seven tower blocks (security threats to residents).

Some features were modified; notably, the addition of an elevated observation and event room on the 52nd floor of tower 1C, likely to cater for visiting VIPs.

HDB set stringent standards for the construction, the design and finishes required for the tender veered towards private housing standards. Units at The Pinnacle@Duxton were also more fully furnished than the average HDB project. The design exceeded standards of private condominiums so much that it caused concern amongst private developers regarding their future if public housing was developed in a similar manner.[4][13] The HDB had to reassure them that this project was a one-off special residential development.[14] The Pinnacle@Duxton received much publicity in the media when it was launched in May 2004.

Subsequently, the S$279-million construction contract was awarded to Chip Eng Seng Corporation, the lowest of the bids submitted.[15] The foundation was laid by MM Lee.[16] Fully pre-cast methods were used during construction, which could be 10–15 per cent more expensive than the traditional way of pumping wet concrete all the way to the top. Pre-cast methods involve transporting moulded components to the site and hoisting them up on to the structure.[17]

Sales launch

The showflat was launched on 29 May 2004 when HDB released 528 units under phase 1 of its Build-To-Order system. Units quickly became oversubscribed with the HDB receiving more than a hundred enquiries by telephone and e-mail even before sales began.[18] Originally set to be launched in phases, the HDB subsequently decided to release all the units for sale due to overwhelming response.[19]

The Pinnacle@Duxton project holds the record for the highest average price of new flats purchased directly from HDB, as well as the most expensive unit offered and purchased at $646,000.

In September 2020, the development held the record for both of the most popular sizes of 5-room and 4-room HDB units at $1.23 million and $1.19 million. [20]

The key handing over ceremony was held on 13 December 2009, marking the completion of the project. Minister Mentor and Member of Parliament Mr Lee Kuan Yew was the Guest-of-Honour for the ceremony.[21]

Features

All seven towers in the development are collectively the world's tallest public residential buildings. They are linked at the 26th and 50th floors by the world's two longest sky gardens of 500m each.[22]

The sky gardens at both levels incorporate jogging tracks, with playgrounds, rest and viewing areas, features which are unique and pioneering for skyscrapers at that time. Other facilities include a food centre, basketball court, daycare centre, underground car park and other sports and recreational facilities.

Buyers are able to choose their flat's layout from combinations of balconies, planter boxes and/or bay windows.[18] Also, the internal lightweight concrete walls can be easily removed and reconfigured by owners.[23]

New fire safety regulations were also drawn up by the Singapore Civil Defence Force which involved the use of elevators during any evacuation. The Pinnacle@Duxton is the first development to be affected by these regulations. Refugee floors and special firefighting points were also provided for under the new code.[24][25]

  • A model on display at the URA Singapore City Gallery
  • Picture taken near intersection of South Bridge Road and Cross Street on 1 April
  • Picture taken near intersection of South Bridge Road and Maxwell Road on 1 April
  • The progress of the towers' construction

See also

References
  1. http://www.streetdirectory.com/asia_travel/travel/travel_id_16898/travel_site_3919/5/
  2. HDB's tallest (maybe costliest) flats go on sale, The Straits Times, 29 May 2004
  3. Longer wait for tallest HDB blocks, The Straits Times, 7 May 2004
  4. Too stylo, complain condo developers, The New Paper, 2 June 2004
  5. "View from the Pinnacle". 3 September 2009. Archived from the original on 7 October 2012. Retrieved 17 June 2010.
  6. "Singaporean PM: All to enjoy fruits of growth". Straits Times. 8 August 2010.
  7. "New popular spots for aerial view displays of NDP". Channel News Asia. 8 August 2010.
  8. "CTBUH 9th Annual Awards, 2010". Council on Tall Buildings and Urban Habitat. Retrieved 15 June 2007.
  9. Update on the Duxton Plain Housing Development, Housing and Development Board, 5 December 2003
  10. 建50层摩天组屋？, Lianhe Zaobao, 26 April 2004
  11. Duxton Plain Public Housing International Architectural Design Competition, Urban Redevelopment Authority
  12. The Pinnacle's architect on top of the world, The Straits Times, 4 July 2004
  13. HDB's Pinnacle: A threat to private developers?, The Straits Times, 19 June 2004
  14. 3,000 apply for 528 units, The New Paper, 14 June 2004
  15. Chip Eng Seng wins contract to build The Pinnacle, The Business Times, 17 March 2005
  16. New Heights, The Straits Times, 13 August 2005
  17. Construction sector pins hopes on HDB's Pinnacle, The Business Times, 22 June 2004
  18. When can I book a unit at The Pinnacle?, The Straits Times, 22 May 2004
  19. All units in HDB's Pinnacle now up for grabs, The Straits Times, 15 June 2004
  20. "Skyscraper resale flat prices in Singapore hit new highs despite Covid-19 crisis". The Straits Times. 13 September 2020.
  21. About The Pinnacle@Duxton Archived 25 December 2009 at the Wayback Machine on Pinnacle@Duxton
  22. "5 interesting facts about The Pinnacle@Duxton". The Straits Times. 7 August 2014.
  23. Property hunters, the wait is finally over, The Straits Times, 29 May 2004
  24. Better fire safety for high-rise homes, The New Paper, 20 February 2006
  25. Refuge floors among fire-safety measures, The Straits Times Forum, 20 December 2007
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