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Notable Projects

Velaa Sindhorn Village (Langsuan Village)

Object

It is one of a mega project, constructed on an area of 56 rai and is located in the business district near the BTS station. There are 5 projects in the total area: hotels, restaurants and supermarkets. Construction type includes bored piling and diaphragm wall works.

The Column Tower

The Column Tower is located on Ratchadapisek Road, Sukhumvit, Bangkok. It is a 42 storey office and shopping complex with three basement levels of 4.5m in height floor to floor. Foundation bored piles of 1.0m in diameter and barrettes (1.0x2.7m) founded in sand layer at depths of 55m, support the building. A 1.0m thick cast in-situ diaphragm wall (toe depth 24.0m below ground level) with three-level temporary bracing was used for basement excavation and construction. The maximum excavation depth was about 15.0m. For bored piles in the area of the main tower, base grouting was employed to improve the pile capacity. Bored piles and barrettes were also incorporated in the diaphragm wall to carry the load of building.

The Thammasat Library Building

The Thammasat Library Building project site is located on ThaPrachan Campus, Bangkok nearby the Chao Phraya River. The site is surrounded by a historical building and other existing structures. Bored piles with pile tip in dense sand layer are used for supportingthe building. A diaphragm wall of 0.8m in thickness was designed for excavation 12.7m deep with two levels of temporary bracing. The diaphragm walltoe was embedded down to 28.0m to achieve the overall stability of the excavation on the river bank. Various types of geotechnical instrumentation were installed in the walls and existing buildings to observe the ground movements and response of the buildings during excavation.

Jewelry Trade Centre

Jewelry Trade Centre is located on Silom Road, Bang Rak, Bangkok. It is a 56-storey building with up to six basement levels constructed by using top-down method. Foundation bored piles of 1.0m, 1.2m and 1.5m in diameter founded in sand layer at depths of 60m, support the building. A 0.82m thick cast in-situ diaphragm wall (toe depth 28.0m below ground level) was used for basement excavation and construction. The maximum excavation depth was about 21.4m. 126 steel stanchions pre-founded in bored piles and barrettes were used for supporting the basement slabs and parts of superstructure during simultaneous construction of basements and the super structure.

The Rajavej Hospital

The Rajavej Hospital is located on Phayathai Road, Rajatheewi, Bangkok. It has five basement levels constructed with top-down method for car parking and rooms for utilities. Foundation bored piles of 0.8m, 1.2m and 1.5m in diameter founded in sand layer at depths of 58m. A 1.0m thick cast in-situ diaphragm wall (toe depth 21.0m below ground level) was used for basement excavation and construction. The maximum excavation depth was about 14.5m. 80 steel stanchions pre-founded in bored piles were used for supporting the basement slabs and parts of superstructure during simultaneous construction of basements and the super structure.

Thailand Cultural Center Station

Thailand Cultural Center Station, known as Thiam Ruam Mit Station (S12) during construction period is one of 18 underground stations of the Metropolitan Rapid Transit Authority (MRTA) Initial System Project. The station is located on Ratchadapisek Road. The initial system project or Blue Line is the first link in the network and 20km. Long. The perimeter walls of the station box are made of cast in-situ concrete diaphragm walls 1.0m and 1.2m thick. The south wall of the station is a 1.2m thick diaphragm wall and has openings for three tunnels linking the south and north underground stations tothe Depot. A Tunnel Boring Machine (TBM) driving shaft for twin tunnels is also included in the station box on the northern end.

The Sathorn Complex project

The Sathorn Complex project is planned for a multipurpose office and shopping complex. The foundation bored piles and barrettes are embedded 60m deep in sand layer to support the building. A 0.8m tthick cast in-situ diaphragm wall 18.0m in depth, with three- level temporary bracing was initially planned for construction of a four-level basement. After completion of diaphragm construction, basement excavation was later modified with four level-bracing to allow excavation down to 15.5m below ground level for construction of five basement levels. For the foundation in the area of the main tower, barrettes were employed together with bored piles to increase load carrying capacity. Bored piles and barrettes were also incorporated as legs in the diaphragm walls to carry the load of building.

The Din Daeng Underpass

The Din Daeng Underpass is the first of its kind in Bangkok Metropolis to ease the traffic congestion. It is an alternative to flyovers and overpasses. The underpass route extends for 415m with two lanes with one way traffic. 82m long approach sections at both ends of the underpass were constructed with 0.45m thick reinforced concrete walls. The 252m long middle section of the underpass, which includes portals and cut and cover tunnel, is constructed with 1.0m thick diaphragm walls having toe level of 21.0m deep. Cantilever walls and reinforced concrete strut-supported walls are used in the portal sections. Excavation depths for base slab construction varied from 4.9m to 6.5m below the pavement level.

Bangkok Wastewater - Sathorn Pump Station

The Sathorn Pump Station is one of the interceptor pump stations for the Bangkok Wastewater Treatment Plant Project, Yannawa Works. It is a deep rectangular underground chamber located on Chong Nonsi Road, Sathorn, Bangkok. The chamber has 0.8m thick cast in-situ diaphragm walls with toe depth of 20.0m below ground level. It was designed for maximum excavations depths of up to 16.2m inside the chamber to allow construction of a 1.5m thick base slab and internal structures. The pump station is located mostly in and below the existing khlong/ cannel so that a temporary coffer dam was used for construction of diaphragm wall and the pump station.

The Thammasart Administration Building

The Thammasat Administration Building project site is located on Tha Prachan Campus, Bangkok nearby the Chao Phraya River. The site is surrounded by a historical building and other existing structures. The construction of this building commenced about one year after completion of library building with three basements being separated by an existing building. Bored piles with pile tip in dense sand layer are used for supporting the building. A diaphragm wall of 0.8m in thickness was designed for excavation 9.7m deep with two levels of temporary bracing. The diaphragm wall toe was embedded down to 28.0m to achieve the overall stability of the excavation on the river bank. Various types of instrumentation were installed in the wall and existing buildings to observe the ground movements and response of the buildings during excavation.

MOTORWAY NO.9

Objective

To improve shear strength of soft clay for foundation soil of Motorway No. 9 widening works, Bangkok East Outer Ring Road.

Project Description

Soil-cement columns between Km 48+350 and Km 49+397for widening of the existing motorway.

CENTRAL PLAZA Chaeng Wattana

Objective

To improve shear strength of soft clay for basement excavation works using deep soil mixing method, soil-cement column construction.

Project Description

Up to -8.6m deep excavations in soft clay for construction of foundation footings and basement floors of a shopping complex and office tower.

Rangsan Silom Precious

Rangsan Silom Precious (present name is Royal Charoen Krung) building is located at the corner of Silom and Charoen Krung Roads, Bang Rak, Bangkok. It is a 63-storey tower with six basement levels constructed by using top-down method. Foundation bored piles of 1.5m in diameter founded in sand layer at depths up to 60m, support the building. The piles were base-grouted. A 1.02m thick cast in-situ diaphragm wall (toe depth 36.0m below ground level) was used for basement excavation and construction. The maximum excavation depth was about 20.0m. 95 built-up steel stanchions pre-founded in bored piles were used for supporting the basement slabs and parts of superstructure during simultaneous construction of basements and the super structure.

The Storm Pumping Station

The Storm Pumping Station is one of the main pumping stations for the Bangkok Wastewater Treatment Plant Project, Yannawa Works. It is a deep circular shaft located by the sewage treatment plant. The circular-shaped shaft has a 1.0m thick cast in-situ diaphragm wall with toe depth of 24.2m below ground level. The circular perimeter wall of the shaft is composed of 10 panels approximately 5.2m in length and form an inside diameter of 15m. It was designed for maximum excavations depths of up to 23.0m inside the shaft to allow con- struction of a 2.0m thick base slab and internal structures without use of lateral supports. The shaft has a bulk head opening to receive an incoming 2.25m diameter pipe at 18.6m below ground level.

The Phuket Fantasea

The Phuket Fantasea Theatre located on Kamala beach, Phuket island, south of Thailand, has basements up to 12.4m deep, to accommodate lifting facilities for the theatre stages and podiums. 1.0m thick diaphragm walls with toe depths 18.0m to 21.0m were used for excavation and basement construction with top-down method. Foundation barrettes of 1.0x2.7m founded in weathered granite at depths of 21.0m, support the building. The maximum excavation depth was about 17.0m. Barrettes were designed as a column and cast up to ground level to support the roof structure and reinforced concrete beams of the ground floor slab. 8 pumping wells were used to lower the ground water level during basement excavation. A total of 151 anchor piles with toe depths up to 29.0m were installed for basement slabs to resist the uplift pressure caused by seasonally high groundwater level.

Icon Siam

Object

It is one of a megaproject, located on an area of 50 rai, divided into 3 zones: a large shopping mall, a residential building and a medium-sized shopping center building connected to the hotel. Types of construction are piling and diaphragm wall works.

Pearl Bangkok

Object

It represents " Andaman Pearl ". It is a 25-storey office building with 3 basements, construction covers 56,000 square meters. Type of construction are Barrette piling and diaphragm wall works.

THE SUKHOTHAI RESIDENCES : Deep Foundation Works

Objective

Deep foundation works for a 47 storey luxury condominium

Project Description

Bored piles, contiguous pile wall, diaphragm walls and soil improvement for construction of deep basement.

RAMA VI HOSPITAL : Contiguous Bored Pile Wall

Objective

Contiguous bored pile wall and bored piles for construction of basement and foundation of the Rama Thibodi Hospital.

Project Description

Bored pile wall with temporary braced excavation method for construction of 3 level basements for car parking.

PRINSIRI CONDOMINIUM PATTAYA

Objective

Solidification of silty and sandy soil with in-situ soilcement mixing for construction of basements and foundations.

Project Description

Temporary soil retaining walls for excavation up to 6.5m to construct foundation footings and basements of a condominium.

THE NEXT CONDOMINIUM : Deep Soil Mixing

Objective

To improve shear strength of soft clay for excavation work using deep soil mixing method, soil-cement column construction.

Project Description

Up to 5.0m deep excavation in soft clay for construction of foundation footings and basements of the Next Condominium, Sukhumvit Soi 52.

PATTANAKARN U-TURN UNDERPASS : Civil Works

Objective

Construction of an U-turn underpass for Pattanakarn Road.

Project Description

700m long U-turn underpass for Pattanakarn Road at highway interchange.

BOBAE CENTER Bumrung Muang Plaza

Objective

Deep foundations, comprising large bored piles with steel stanchions, barrettes and diaphragm walls for construction of underground car park for the Bobae Center (Bumrung Muang Plaza).

Project Description

5 level basements for car parking. Deep excavation up to 19.10m with diaphragm walls using top-down method.

BANGSU WASTEWATER TREATMENT PLANT : Deep Foundation Works

Objective

Deep foundation work for wastewater treatment plant.

Project Description

Bored piles and diaphragm walls for construction of deep basements for a wastewater treatment plant in Bangsu, Jatujak area.

ASOKE COMPLEX INTERCHANGE TOWER : Substructure Works

Objective

Construction of foundation mats, footings, deep basements for car parking and wastewater treatment tanks.

Project Description

Diaphragm wall with 2-3 levels temporary bracing for deep excavation up to 15.90m to construct 3.5 level basements for car parking.

72ND ANNIVERSARY SPORTS SCIENC BUILDING : Civil Works

Objective

Construction of an indoor sports stadium.

Project Description

3,000 seats capacity indoor sport stadium for basketball games in the Chalerm Prakiat 72nd Pansa Sports Science Complex.

Don Muang Tollway

Don Muang Tollway is a 12km-long elevated expressway connecting the Don Muang International Airport and Bangkok city along Vibhavadi Rangsit Highwayand it extends 10km further to Rangsit town, north of the airport. It is also connected to First Stage Expressway System at Din Daeng. The first section of tollway from Din Daeng to Laksi intersection was completed in 198x. The extension from Laksi to Rangsit via the airport was completed in 1999. The elevated road section between Laksi and the airport is supported by bored piles with base grouting while the remaining sections are supported by driven piles.

Rama VIII Bridge Project

Rama VIII Bridge Project is one of H.M. King Bhumibol's initiatives in relieving the traffic congestion problems in Bangkok. The bridge was granted the name "Rama VIII" by the King in commemoration of his elder brother King Ananda. It is located to the north of Somdet Pra Pinklao Bridge and ahead of Thornburi Bridge. It connects with Bromratchachon--nanee Interchange at Arun Ammarin Intersection, then runs past Arun Ammarin Road to cross the Chao Phraya River, and finally joins the end of Visutkasat Road near the Bank of Thailand.

Bang na - Bang Pli - Bang Pakong Expressway Project

Na-Bang Pli-Bang Pakong expressway is a 54km-long elevated expressway, being one of the sections of Bang Na-Chonburi Expressway. The elevated road section beyond KM 28+000 is mainly supported by bored piles with base-grouting while the remaining sections are supported by driven pre-cast concrete piles. 50mm diameter steel tubes for sonic logging test were also used as access tubes for tube-a-manchette grouting circuits in pile base grouting.

Kabar aye Executive Residence (KER)

The first bored piles, barretts and diaphragm walls project of SEAFCO in Myanmar. This 29-storey condominium project will be one of the highest buildings in Yangon. It will also mark as the first deepest three-level basement car park in Yangon.

Bangkok International Trade and Exhibition Centre (BITEC) Phase II and Office Tower

Construction of bored piles supporting the second phase of one of the largest exhibition hall and office tower. This exhibition hall has hosted several prestigious national and international events.

Transmission Line 230 KV

First cross-shape (cruciform) barrette in Thailand. This cross-shape barrette was designed to resist large lateral load for monopole transmission constructed in limited working space.

Burapha Withi Expressway

Deep foundation project for one of the longest elevated tollways in Thailand.

Elephant Tower

The building was designed in the from of Elephant-shape. SEAFCO is proud to be involved in the project - one of the most striking landmarks of bangkok. The structural designer was Prof.Dr. Arun Chaiseri who is the owner of the building. The architect was Ong-ard Satrabhandhu. This 32-storey building. received award "20 World's Most Iconic Skyscrapers" by CNNGO in february 2011.

Bangkok International Trade and Exhibition centre (BITEC): Phase I

Deep foundation works for the first exhibition hall.

New Bangkok Metropolitan Administration (BMA) Head Office

Deep foundation and mat foundation works. Massive concrete volume poured in continuous-operation for mat foundation was largest of its kind during that period.

Wat Sothorn Wararam Worawihan

Deep foundation supporting revered pagoda in Wat Sothorn. During construction of bored piles, Sothorn Buddha image wasnot relocated from original location, careful construction was required to carry out the work.

Siam Commercial Bank Head Office

One the largest project during that period. project consisted of large numbers of bored piling works for three tower of 24 to 37 floors and one 12-stroey building. SEAFCO mobilized over 10 drilling rigs and service cranes to meet the tight schedule.

Queen Sirikit National Convention Center

Bored piling works for the national convention center. This convention center hosted the 46th Annual Meeting of the Boards of Governors of the World Bank Group and the International Monetary Fund in Bangkok

Thaniya Tower

The first bored pile project by SEAFCO after equipment and staff were tranferred from STENT-SEAFCO

Grand Hyatt Erawan Hotel

Bored piling project located next to Erawan shrine

Grand China Hotel, Bangkok

The first Deep Diaphragm Wall for top-down construction with six-level basement, which was the deepest in Thailand during that period.

Mae Moh Power Plant Unit 4, Lampang

Lignite power plant supported by bored piles

Lan Khon Muang-Bangkok Metropolitan Adminstration (BMA) car park building

First underground car park project that SEAFCO worked as main contractor.

Siam Paragon

Large-scale diaphragm walls and bored piles in the largest department store in Bangkok.

Southern Outer Ring road (Kanchanapisek Road)

Fully instrumented bored pile supporting a bridge crossing Chao Phraya River. The bored piles in this project were 2 m in diameter and 65 m deep, which marked one of the largest and deepset bored piles in Thailand.

MRT Green Line Project Contract 1 : Bearing - Samutprakarn Section

Construction of barrettes for the foundation of elevated mass trasit.

Grand Rama 9 - G Tower

Large-scale project consist of bored pile, diaphragm wall and underground structure construction adjacent to MRT Rama IX Subway Station. The exxavation depth is about 20.15 m below ground surface Which is considered one of the deepest basements for commercial building in Bangkok. The building is designed in the form of G-shape which will become one of the most interesting landmarks of Bangkok.

Srinakarin Underpass

The first SEAFCO cut and cover tunnel project. The project consists of diaphragm wall, bored pile, underground structure and road works.

MRT Blue Line Extension Project Contract 2 : Sanamchai Station

One of the deepest diaphragm wall constructions for underground structure works adjacent to the Chao Praya River in Bangkok. Numbers of technical challenges involved in diaphragm wall construction in historically sensitive area. Installation of GFRP reinforcement for soft-eyes for Tunnel Boring Machine receiving shafts and stanchion installation works required extremely high-accuracy.

Kuakarun Faculty of Nursing, Navamindradhiraj University

Construction of six-storey building with basements. SEAFCO worked as main contractor.

MRT Purple Line Project Contract 1 : Bangyai to Bang Sue

Barrltes for elevated mass transit in Bangkok. Value engineering option of using barreltes to replace bored piles offered best solution for working along congestive roads.

100 Years Khun Yai Building at Dhammakaya Temple

Bored piling works supporting a magnificent building in Dhammakaya Timple. SEAFCO was to follow stringent criteria specified for the longest design-life of the building in Thailand.

Royce Private Residence

Construction of diaphragm walls, bored piles and four-level car park for luxury condominium in downtown Bangkok surrounded by sensitive neighborhood.

Central Plaza Rama 9

Construction of diaphragm walls, bored piles and contiguous piles walls adjacent to subway station.

Innovation Building at Srinakharinwirot University

Diaphragm wall, bored pile and underground structure works for two-level basements for car park and soccer field on roof top. Top-down construction was adopted in this project.

Terminal 21 Building

Construction of bored piles, diaphragm walls and three-level underground structures for a 42-storey office tower and nine-storey shopping mall.

Marina Bay Sands Integrated Resort

The first Diaphragm Wall work of SEAFCO in Singapore.

Sathorn Square

Bored pile and diaphragm wall works for 40-storey and 30-storey buildings for office, hotel and condominium with fivel level basements. The construction of diaphragm wall was next to a historical building.

Bangkok Art and Culture Centre

Diaohragm wall and bored piling works for art museum with three level basements.

Millennium Residence

Construction of deep foundations, mat foundations and basement structures for four condominium tower (over 50 stories each). The first T-shape barrette in Thailand was used in this project.

Airport City Rail Link

Lage diameter bored piles for elevated mass transit (Airport Link) connecting Suvarnabhumi Airport and downtown area.

Underground car park at Central Hospital

SEAFCO's first top-down construction project for the entire underground car park building using diaphragm walls and bored piles.

Tai Ping Tower

The first wet-processcd bored piles constructed by STENT-SEAFCO

Seafco Public Company Limited

144 Prayasuren Road, Bangchan, Khlong Sam Wah,Bangkok 10510

02-919-0090-7, 02-919,3360-5, 02-919-3354

02-919-0098, 02-518-3088

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