LSW Consulting

projects

Commercial
Institutional
Industrial
Residential
Overseas Project
Temporary Work
Contractor's PE
Miscellaneous

Commercial

Project:
Tri-Star Inn Hotel
Developer/Owner:
Joo Chiat Holdings
Description:
4-storey hotel with 3 basement of car parking facility.

This was a difficult three-basement construction. In its locality there was soft and sensitive thick marine clay ground. In addition, there were very old pre-war and post-war shop houses in the vicinity of the construction site. The construction involved the installation of a diaphragm wall, and 2 metres below the third basement the diaphragm wall was propped with 2 m thick layer of jet grout.

Project:
NTUC Income Building
Developer/Owner:
Former Owner was LKN Ltd
Description:
11-Storey Office Building Complex with a link Podium Carpark.

This alternative design involves the introduction of a pre-cast hollow core slab as the floor element. As it was a lighter building, a cheaper bore pile alternative was adopted by reducing the pile geotechnical capacity. All piles made were shallow.

Institutional

Project:
ZhongHua Secondary School
Developer/Owner:
Ministry of Education
Description:
Design & Build of 3 & 4 Storey Sec
School Buildings with a multi-purpose hall.

Reinforced concrete pre-cast piles were used as the building’s foundation. The first storey slab was designed as a flat-plate incorporating the pile cap as a drop panel. The other floors were designed as post-tension flat-plate supported by two-tier pre-cast columns. This system offers quick-paced construction. As the school is close to neighbouring structures, a soldier pile retaining wall construction was used; between piles a 150mm thick skin wall was cast. This method of construction minimized disturbance to the neighbouring residents.

Project:
New Town Secondary School
Developer/Owner:
Ministry of Education
Description:
Design & Build of 3 & 4 Storey Sec School Buildings with a multi-purpose hall and canteen building.

Reinforced concrete pre-cast piles were used as the building’s foundation. The first storey slab was designed as a flat plate incorporating the pile cap as a drop panel. The other floors were designed as a one-way post-tension flat plate supported on primary beams which were supported by two-tier pre-cast columns. The library building boasts of a column-free circular roof and the 20 m diameter library floor was designed as a post-tension slab supported on the perimeter columns. This clearance allows the amphitheatre to be built below the library.


Client: 

Project:
Boy’s Complex
Developer/Owner:
Ministry of Community Development of Singapore
Description:
Design & Build of multiple blocks of 3-storey high security buildings to house delinquent youths.

Reinforced concrete pre-cast piles were used as the building’s foundation. The first storey was designed as a flat plate incorporating pile cap as a drop panel. The other floors were designed as post-tension slabs that are supported by two-tier pre-cast columns. This complex is surrounded by a 4.5 m high boundary wall with special cylindrical capping to prevent break-outs from the facility.

Industrial

Project:
Logistics Facility
Developer/Owner:
Sankyu Pte Ltd (Singapore)
Description:
4-storey single-user industrial development for storage of goods.

This construction was mainly 4 storeys of super-flat floors comprising of post-tension flat slabs. The floors were designed to withstand a very heavy imposed live load of 40KN/m2. The building foundation was supported using reinforced concrete pre-cast piles.

Project:
Sanyo Air-Conditioning Factory
Developer/Owner:
Sanyo Air conditioners Pte Ltd
Description:
4-storey warehouse with production floor and
office building.

The building foundation was made up of bored-piles. The main structure was constructed of post-tension flat slabs supported on in-situ columns and lift walls. To provide optimum operational span at the first level for delivery and receiving, several transfer columns and post tension beams were introduced.

Project:
Light Industrial Factory
Developer/Owner:
Singapore Properties
Description:
Proposed erection of a 8-storey multiple user
light industrial building with1 basement car park.

This building is supported on bored-pile foundations as the rear road level is approximately two storeys high. A Contiguous bored pile wall is designed at temporary stages as a free standing cantilever wall and acts as a permanent wall after the floor slabs are completed. Typical floors are designed as post-tension flat slabs supported by in-situ columns. This building is presently under construction.

Project:
Logistics Facility
Developer/Owner:
Poh Tiong Choon Logistics Ltd
Description:
Proposed warehouse development and logistics facility on lot A19360 at Jurong
Island for the storage of dangerous goods.

Reinforced Concrete pre-cast piles are the supporting foundation of this warehouse. The first storey is designed as flat-plates incorporating pile-caps as drop panels. The other floors were designed as post-tension flat slabs with a design imposed live load of 40 KN/m2. An annex houses the 40 m high automatic stacking and retrieval system (ASRS) and drum packaging area for dangerous goods storage.

Project:
Novartis Warehouse
Developer/Owner:
Novartis Pharma Pte Ltd
Description:
Proposed construction of pharmaceutical secondary manufacturing facility comprising  3-storey warehouse building, 3-storey
administrative building, 4-storey production building and ancillary facilities.

The project comprises 3-storey Warehouse building, 3-storey Administration building and 4-storey Production building. Total concrete volume is 8000m3. Our scope of work is the super structural design. The 300mm thickness RC flat plate has been adopted for typical floor of production building. For Administration building and Warehouse buildings, the post-tension pre-stressing flat slab structural system have been used. All building roof structure adopt lightweight
steel roof.

Project:
Foodaxis @ Senoko
Developer/Owner:
HSBC Institutional Trust Services (S) Ltd
Description:
Proposed erection of 1 block of 5-storey multi-user food factory buildings.
Gross Floor area: 57330.72m2

The project comprises two blocks of 5-storey building located industrial area. The building is founded on precast RC driven pile foundation. The reinforcement concrete frame structure with pre-stressing beam and slab are adopted for superstructure system. The lightweight steel structural system has been adopted for roof structure.

Project:
Aerospace Factory
Developer/Owner:
Pratt & Whitney
Description:
Proposed new erection of a part single / part 3 storey single user industrial development c/w ancillary facilities.
Gross Floor area: 10,646.69m2

These 2 buildings are supported by precast reinforced concrete piles as the soil profile is generally silty sand followed by sitting on hard old alluvium soil stratum. The superstructure system is generally post tensioned RC flat slab for the ease of M&E services to pass through together with a steel bowstring truss overlying the single storey warehouse for aesthetic purpose as well as allowing catwalk access to the AHU units which are supported by the steel roof.

Project:
Aerospace Factory
Developer/Owner:
Pratt & Whitney
Description:
Proposed new erection of a two storey single user industrial development c/w ancillary
facilities.
Gross Floor area: 16,896.37m2

Project:
Premier@Kaki Bukit
Developer/Owner:
Wee Hur (Kaki Bukit) Pte Ltd
Description:
Proposed erection of a block of 8-storey and a
block of 9-storey multiple-user industrial development with staff canteen.

This building is supported on reinforced concrete pre-cast pile and bored pile foundation. The 1st-storey
is designed as cast in situ beam slab system with intermediate supporting piles. For ramp up factory, the upper floors are designed as post tension beam with maximum span of 17.5m with pre-cast hollow core lab. The other block namely flatted factory is designed as flat slab with drop panel.

Project:
Harvest@Woodlands
Developer/Owner:
Wee Hur (Woodlands) Pte Ltd
Description:
Proposed erection of a 10-storey part b1 & part b2 multiple-user  industrial development comprising of 1 block of light industrial building (153 ramp-up units & 54 flatted factory units)& 1 block of general industrial building (208 ramp-up units & 54 flatted factory units).

The project comprises two block of 10-storey ramp-up light industrial building. The building is founded on precast RC driven pile foundation. The reinforcement concrete frame structure with post-tension pre-stressing beam and Hollow core slab are
adopted for superstructure system. RC p rimeter beam and 75mm topping is used to increase the building overall rigidity. The lightweight steel structural system has been adopted for roof structure.

Residential

Project:
Butterworth Condominiums
Developer/Owner:
City Developments Limited
Description:
Proposed erection of a block of 11-storey
residential building with car park and communal facilities.

The building’s foundations are constructed on the first ever no vibration, no noise jack-in system for large capacity pile. The second storey is a transfer floor and the third to eleventh floors are residential units designed as flat-plates supported on an internal beam and perimeter pre-cast columns and walls. The developer of this project was awarded the Green Award. The building is currently under construction.

Project:
Goldenhill Park Condominiums
Developer/Owner:
City Developments Limited
Description:
Proposed Condominium Housing Development comprising 5 blocks of 20-storey apartment
(Total 390 units) with basement carparks and communal facilities

The five tower blocks, the basement and the environmental deck were supported on Reinforced concrete pre-cast piles as a foundation. This super structure was constructed on flat-plates that are supported on one internal beam and perimeter walls. A column-free interior helps to speed up the construction and also offers quality structural finishes. External bay windows etc. were pre-cast on site. This project won the Best Buildable Design Award 2005.

Project:
Parc Emily Condominiums
Developer/Owner:
CDL-TID JV
Description:
Condominium beside Mt Emily Park

The 5 tower blocks, basement and environmental deck are supported on a raft foundation. There is a 290m long boundary wall supporting earth from the higher Mt. Emily Park; the highest point is 18m. A transfer floor is found at the first level and the typical floors are designed as flat-plates supported by a perimeter pre-cast wall. All vertical structural elements are pre-cast except the Civil Defense shelter. This project has been awarded with the Greenmark Gold Award. This project is presently under construction.

Project:
The Pier Condominiums
Developer/Owner:
City Developments Limited
Description:
10-storey commercial/residential development with 2 levels of basement at Mohammad Sultan Road

This project adopts secant piles retaining wall as the permanent wall for the two storey deep basement which is beside the Singapore River and a dilapidated warehouse. This method of construction registered 20mm of wall movement. The typical floors are designed as flat plates supported on external perimeter walls. This project has attained an excellent conquas score of 98.54 for 2005 and also was presented the Greenmark award. This project is scheduled for completion in Dec 2005.

Overseas Project

Project:
Underground Train Station in Shenzhen, China
Developer/Owner:
Yongnam Engineering & Construction Pte Ltd
Description:
Proposed alternative Yongnam’s strutting system for the construction of underground station.

This is a cut-and-cover tunnel. This project offers an alternative strutting system to enable better working space for the construction of cut-and-cover tunnels in a densely built-up centre of Shenzhen, China

Underground Train Station in Kowloon, Hong Kong
Client: Yongnam Engineering & Construction Pte Ltd

Project:
Underground Train Station in Kowloon, Hong Kong
Developer/Owner:
Yongnam Engineering & Construction Pte Ltd
Description:
East Rail Extension. Proposed alternative YongNam strutting system.

In this project, we offered an alternative strutting system that enabled wider spacing between struts, and longer span with lesser kingposts. These features improved the permanent construction speed and quality of work due to fewer encumbrances from the temporary strutting system.

Hanoi Road Development in Hong Kong
Client: Yongnam Engineering & Construction Pte Ltd

Project:
Hanoi Road Development in Hong Kong
Developer/Owner:
Yongnam Engineering & Construction Pte Ltd
Description:
Deep basement design at Hong Kong.

This complicated basement work has been complemented by alternative strutting system to ensure fewer encumbrances for permanent construction work.

Project:
Kwu Tung Ventilation Building, Hong Kong
Developer/Owner:
Yongnam Engineering & Construction Pte Ltd
Description:
Proposed design of Yongnam strutting system for the basement construction work.

This project boasts of a unique strut system first introduced in Hong Kong to enable a total kingpost-free strutting system for the construction of this ventilation building.

Temporary Work

Project:
Changi Airport Terminal 3
Developer/Owner:
Sato Kogyo(S) Pte Ltd
Description:
Proposed Changi Airport Terminal 3 pile foundation and basement works.

This project had an alternative strutting system, enabling the reduction of one layer of strut to make the installation of the inclined strut simpler. This process proved to accelerate the construction of permanent work.

Project:
Fusion Polis
Developer/Owner:
GE-UE JV
Description:
35 m deep basement temporary works.

This was the construction of the deepest basement in 2003. The basement was 35 m below ground level and the temporary retaining system was a comprehensive system that contained 890 ground anchors, Reinforced concrete struts and steel struts.  The temporary working platform and tower crane foundation was about 35m high.

Large Steel Canopy
Client: Penta-Ocean Construction Co. Ltd

Project:
Large Steel Canopy
Developer/Owner:
Penta-Ocean Construction Co. Ltd
Description:
Proposed structural steel roof and vertical free
standing columns for automatic construction system - support reaction and deflection of roof supports after tension released.

This project involved a big canopy structure for the building construction under a roof. This was the third largest construction canopy in Singapore. It is the most asymmetrical construction due to the limited space around the area of construction. This canopy stands at 147m tall. It has an approximate plan area of 54m X 61m.

Project:
C825 Circle Line
Developer/Owner:
WH-STEC-NCC JV
Description:
Design of temporary traffic decking incorporating one layer of strutting for top down construction on these four stations.

This complicated engineering design incorporates the temporary traffic decking as a strutting component to enable excavation to progress safely and efficiently whilst maintaining the daily rush hour traffic above.

Project:
Contract 912 for Down Town Line Stage 2
Contractor:
Lum Chang Building Contractors Pte Ltd
Description:
Design of ERSS and Temporary works.

This complicated engineering design incorporates the temporary traffic decking as a strutting component to enable excavation to progress safely and efficiently whilst maintaining the daily rush hour traffic above.

Contractor's PE

Project:
Millennia Towers
Contractor:
Yongnam Engineering & Construction Pte Ltd
Description:
Erection of Steel Pyramid Roof.

The pyramid roof was approximately 44m x 44m x 42m high. The objective for this alternative design was to achieve a more buildable design to enable structural steel erection at about 200m above ground level. This design was lighter than the original one and it was erected without any accidents at that height.

Project:
Paya Lebar Expressway
Contractor:
Samsung Engineering Pte Ltd
Description:
Detail design of compound strutting components for Kallang and Paya Lebar Expressway Contract 421

The modular strutting system that was used provided better working space for the construction of the Paya Lebar Expressway cut and cover tunnels.

Miscellaneous

Project:
40 m pedestrian span bridge
Contractor:
WH-STEC-NCC JV
Description:
Proposed 40-metre span temporary footbridge across Raffles Boulevard.

This is the longest single span steel pedestrain bridge built to facillitate the construction of the MRT station.

Project:
Lifting 240 Ton Generator
Contractor:
M/s VSL Singapore Pte Ltd
Description:
Heavy lifting and lowering of tunnel boring machine at Contract T-01.

This Structural Steel frame was designed to lift a 240-ton generator and to slide into position at Tuas Power Plant.