Quantity Surveying

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The process of estimating and managing construction costs, including material quantities, labor, and overhead expenses.

Quarry Dust

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A fine byproduct of stone crushing, sometimes used as a substitute for sand in concrete production or road construction.

Quay Wall

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A vertical or sloped structure built along a waterfront to support docking, loading, and unloading of ships in port facilities.

Quicklime Stabilization

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A soil treatment method that uses calcium oxide (quicklime) to improve soil strength, reduce moisture content, and enhance construction suitability.

Radiant Heating System

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A heating system that transfers warmth through floors, walls, or ceilings using electric coils or hot water pipes, enhancing energy efficiency.

Rebar (Reinforcing Bar)

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Steel bars or mesh embedded in concrete structures to increase tensile strength and improve load-bearing capacity.

Reclamation Project

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A construction initiative aimed at restoring or repurposing land that was previously unsuitable for development, such as wetlands or former industrial sites.

Rectification Period

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A specified time after project completion during which contractors are required to correct defects at no additional cost to the owner.

Relative Compaction

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A measure of soil density achieved through compaction compared to the maximum possible density, ensuring foundation stability.

Relative Humidity

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The amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.

Remote Work

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Work done outside of a traditional office environment, often from home or a co-working space.