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Soil Investigation

Soil Investigation

Soil Investigation is the process of establishing the type of soil strata at a specific area, by drilling holes into the earth to obtain samples. The samples obtained are then studied and verified by a team of experienced engineers. Soil investigation helps to provide information on soil parameters upon which design of subterranean structures such as piles and retaining walls can be carried out.

Project Reference

  • HDB lift upgrading programme (LUP) G5B ,G8A ,G9C ,G9F
  • Flo Residences Condominium, Punggol Fieldwalk
  • PVA / PVB Resin Plant, Jurong Island
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Geotechnical Instrumentation

Geotechnical Instrumentation

Construction activities in particular deep excavation, tunneling and pile driving in close proximity to existing structures can cause damage and endanger lives. Hence, it is imperative to conduct continuous monitoring and assessment of the impact of the construction activities on the surroundings.

Project Reference

  • Capella Singapore Hotel, Ironside Road, Sentosa
  • Kerrisdale Condominium, Beatly Road / Sturdee Road
  • The Fernhill Condominium, Fernhill Road
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Foundation Testing

Foundation Testing

Foundation testing is paramount to determining the stability of a structure. Various testing methods such as the state pile load test, plate load test and the Pile Driving Analyzer (PDA) test (Using the patented PDA test frame method) are available. These tests help to determine the stability of a structure, based on ground settlement.

Project Reference

  • Offshore Landfill Project, Pulau Semakau
  • International Cruise Terminal, Marina Coastal Drive
  • Pasir Panjang Terminal (Phase C6 – C10, P12 – P18)
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Driven Micropile

Driven Micropile

A type of steel sleeve piling system consisting of high strength steel tubes joined together by a patented polyethylene plastic coat. The driven micropiling system can be used in areas with spatial constraints, such as near existing walls and low ceilings; with a proven track record in conservation projects, as well as in structural underpinning of existing structures. A viable solution for strengthening the foundations of existing structures and making a strong and lasting one for new structures.

Project Reference

  • Foundation strengthening works at Park Hotel, Bideford Road
  • Piling foundation works for covered walkway at Ang Mo Kio Avenue 3
  • Foundation strengthening works at Orchard Paragon Shopping Centre
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Jack-In Pile

Jack-In Pile

A revolutionary type of piling system involving the use of hydraulic pressure to install precast reinforced concrete piles into soil strata. It is also environmentally friendly due to its lack of noise and exhaust produced during the pile installation. The installation process is easy and one of the fastest to use. Coupled with its low cost, the Grip Jack-In-Piling system is versatile in its usage especially in residential areas, given its track record in construction projects involving terrace houses, bungalows and condominiums. Grip Jack-In-Piling is your answer to quick, easy and economical pile installation for your construction needs.

Project Reference

  • Piling foundation works at Meadows & Peirce condominium, Tagore Ave
  • Piling foundation works at Greenwood Mews cluster terrace houses, Greenwood Avenue.
  • Piling foundation works for the new sports hall at Saint Joseph’s Institution International
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Bored Micropile

Bored Micropile

The bored micropiling system is a common type of piling system, involving drilling a cylindrical shaft into the soil strata and placing grout and steel bar reinforcement into the shaft.The bored micropile can be used in almost all types of soils and can be employed in areas where spatial constraints exist, next to existing walls and low ceilings.The system is also used in structural underpinning, which strengthens existing foundations of structures. The bored micropile system is a tool to use for anyone considering foundation design.

Project Reference

  • Upgrading Works to Pier C&D, Terminal 1, Changi Airport
  • Lift Upgrading, (LUP) C64A Chai Chee
  • Conservation project at Victoria Concert Hall
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Underpinning Preloading

Underpinning Preloading

Underpinning

Underpinning is a method used to strengthen existing foundations, by the installation of micropiles around a existing foundation and construction of a combined foundation. Underpinning is carried out using the bored and driven micropiling systems.

Preloading

Preloading of piles, an additional procedure done in conjunction with underpinning, involves a patented technique of pumping a fluid into the preloading cell placed on top of the pile. This causes a reduction in the settlement of the pile.This helps to create a more stable foundation for the structure.

Project Reference

  • Upgrading Works to Pier C&D, Terminal 1, Changi Airport
  • Lift Upgrading, (LUP) C64A Chai Chee
  • Conservation project at Victoria Concert Hall
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Ground Support

Ground Support

The soil nail is used to stabilise sloping surfaces and is installed using the same machines as the bored micropile system. The ground anchor acts as a tension pile in the foundation system. It too like the ground anchor, acts a form of soil stabilisation.

Project Reference

  • Retaining wall at Keppel Shipyard, Benoi Road
  • Deep foundation tension anchorage at Marymount MRT Station
  • Soil nail for slope protection at Sentosa Cove
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Structural Repair

Structural Repair

All types of structures tend to deteriorate over time, giving rise to problems like spalling, cracking and water leakages. Hence, rectification works, also known as structural repairs, become necessary to ensure structural integrity and that they do not create a nuisance for occupants. Types of rectification works include cementitious patching, pressure grouting, high pressure P.U grouting, epoxy injections and protective coating systems application.

Project Reference

  • Term contract for structural repair works at Shell Pulau Bukom (Singapore)
  • Structural repair works at PRIMA silo
  • Structural repair works at JTC Woodlands Spectrum I
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