Technical Terms

This glossary contains explanation of certain terms used in this Prospectus in connection with our Group and business. The terminologies and their meanings may not correspond to the standard industry meanings or usage of these terms. This glossary contains explanation of certain terms used in this Prospectus in connection with our Group and business. The terminologies and their meanings may not correspond to the standard industry meanings or usage of these terms. “3D” “50” “ACMV” “backhoe loader” “81M” “bored pile” “boring rig”
UCAM” “construction works” Three-dimension, where three-dimension BIM model enables effective trade coordination among the architecture, structure and mechanical, engineering and plumbing trades, eliminating clashes at an early design stage Four-dimension, where a four-dimension BIM model allows project planning and scheduling, calculating progress in physical development and timeline Five-dimension, where a five-dimension BIM model enables automated quantities take off, accurate cost estimation and real time cost control Air conditioning and mechanical ventilation, the technology of indoor and vehicular environmental comfort to provide thermal comfort and acceptable indoor air quality A heavy equipment vehicle that consists of a tractor-like unit fitted with a shovel! bucket on the front and a small backhoe on the back Building Information Modelling, a process that allows parametric and geometric digital data, integrated design, scheduling, estimation, and fabrication process to be stored in an integrated platform A type of pile that is concreted at a permanent location at the holes bored in the ground A machine which creates holes in the ground Computer-aided manufacturing, the use of computer software to control machine tools and related machinery in product manufacturing. Also refers to the use of a computer to assist in all operations of a manufacturing plant, including planning, management, transportation and storage The construction, extension, installation, repair, maintenance, renewal, removal, renovation, alteration, dismantling, or demolition of: (a) any building, erection, edifice, structure, wall, fence or chimney, whether constructed wholly or partly above or below ground level;
(b) any road, harbour works, railway, cableway, canal or aerodrome;
(c) any drainage, irrigation or river control works;
(d) any electrical, mechanical, water, gas, petrochemical or telecommunication works; or
(e) any bridge, viaduct, dam, reservoir, earthworks, pipeline, sewer, aqueduct, culvert, drive, shaft, tunnel or reclamation works,

and includes any works which form an integral part of, or are preparatory to or temporary for the works described in paragraphs (a) to (e) above, including site clearance, soil investigation and improvement, earth­moving, excavation, laying of foundation, site restoration and landscaping xxi
“contiguous pile walls”  bored  Walls that are formed by bored piles constructed at close spacing  ucrawler cran e”  A crane mounted on an undercarriage with a set of tracks (known crawlers) that provide stability and mobility  as  “concrete pump”  A machine used for transferring liquid concrete by way of pumping  “concrete test”  slump  An empirical test that measures the workability of fresh concrete  “cuP’  Centralised utility facilities, which are processing plants for utilities such as chilled water for air-conditioning and steam used for manufacturing plants  “curing” “concrete”  or  The process in which the concrete is protected from loss of moisture and kept within a reasonable temperature range. This process results in concrete with increased strength and decreased permeability, i.e. porousness. Curing is also a key process in mitigating cracks, which can severely affect durability  “diaphragm walls”  Rectangular reinforced concrete walls  “earth systems”  re taining  A support system created to retain or support the earth during excavation works  Uearthworks”  Works involving excavation platforms and staging  works  and  constructing  temporary  steel  “excavation”  Works involving excavating the earth and transporting them within the site to make up level or to an off-site dumping ground  “GOP”  Gross domestic product  “guideway”  A channel or track along which something moves  “halts”  A small station, usualiy unstaffed or with very few staff, and with few or no facilities
Housing and Development Board, Singapore
“hydraulic A heavy construction equipment in which all movement and functions are excavator” accomplished through the use of hydraulic fluid, with hydraulic cylinders and hydraulic motors. It is most commonly used for digging rocks and soil, but can also be used for cutting steel, breaking concrete, drilling holes in the earth, laying gravel onto the road prior to paving, crushing rocks, steel, and concrete “18S” Industrialised Building System, a construction process that utilises techniques, products, components or building systems which involves off-site prefabricated components and on-site installations “IPO” Integrated Project Delivery, an inter-party collaboration to enable the information to flow freely and transparently across multiple parties involved in the project, such as architects, engineers and contractors, at any stage to give a reliable basis for decision making throughout the project life cycle xxii
“km” “launching girder” “MW” Hmould” “OHSAS” “pile cap” “pile shoes” “precast concrete” “prestressing

strands” “QLASSIC”

urebar” Hside props” “steel sheet pile walls” “stoppers” International Organisation for Standardisation, a developer and publisher of international standards. Internationai standards give state of the art specifications for products, services and good practice, heiping to make industries more efficient and effective Kilometre, a unit of measurement of length which is equal to 1,000 metres A machine used in the erection of segmental viaducts and bridges Square metre, a unit of measurement of the area of a square where each side measures exactly one metre Cubic metre, a unit of measurement of volume. It is the volume of a cube with edges one metre in length Megawatt, a unit of measurement of power which is equal to 1,000,000 watts A hollow container used to give shape to a liquid or soft substance when it cools and hardens Occupational Health and Safety Assessment Series for health and safety management systems. It is intended to help an organisation to control occupational health and safety risks A thick concrete slab that is constructed above a group of installed piles and acts as support to the column which supports the structure A pointed or rounded device on the foot of a pile to protect the pile while driving it into the ground A construction product produced by casting concrete in a reusable mould or form which is then cured in a controlled environment, transported to the construction site and lifted into place Steel wires spun together in an helical form used in prestressed concrete, which is a method for overcoming concrete’s natural weakness in tension Quality Assessment System in Construction, a system or method to measure and evaluate the quality of workmanship of a construction work based on the relevant approved standard. QLASSIC enables the quality of workmanship between construction projects to be objectively compared through a scoring system Reinforcement bar, which are steel bars or mesh of steel wires used in reinforced concrete, which is a method for overcoming concrete’s natural weakness in tension Construction equipment used as a temporary support A continuous steel wall that is formed with interlocking steel sheet piles Plugs that prevent the flow of fluids xxiii
“substructure works” Htie rods” “TQM” “tower crane”

“VDC” “wire mesh” Works relating to the construction of any foundation or supporting structure Slender structural units used as a tie and (in most applications) capable of carrying tensile loads only Total Quality Management A type of machine which is fixed to the ground on a concrete slab (and sometimes attached to the sides of structures as well), and used extensively in construction and other industries to hoist and move materials Virtual Design and Construction, an advanced digital project management tool that promotes the exchange of information and upfront collaboration involving multiple facets of the construction phase. It is an integrated approach of managing design, construction and facility management using software information models throughout the project lifecycle, comprising 81M and IPD A material made from various strands of interconnected metal, usually steel or aluminium. These strands can be welded together, extruded, or even connected by pins or other devices
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