Takeoff and Estimating Glossary

Knowledge Hub of Construction Estimating & Takeoff

LF (Linear Feet)

If the length sells a material, it is likely measured in linear feet. Estimators use LF every day when measuring products that run in a straight line.

Surcharge

Surcharge refers to an extra fee added to the set price. In construction and engineering, it also signifies a load on soil or structures that may affect stability.

Kips Per Square Inch (KSI)

Kips per square inch (KSI) is a stress unit used in structural engineering and material science to measure the force applied over a specific area.

LS (Lump Sum)

LS (Lump Sum) is one fixed total price for a defined scope of work, instead of pricing each item separately.

Accuracy

Accuracy is the degree to which a measurement, calculation, or result matches the actual or intended value.

SY (Square Yard)

SY(Square Yard) is a unit of measure used for surfaces like flooring, paving, roofing, landscaping, and site work.

Amps (amperes)

Amps are one of the most important measurements in electricity. Every electrical device relies on a certain amount of electrical current.

SQ (Square)

A Square is a standard unit used in roofing to measure surface area, equal to 100 square feet.

Sfca Construction

SFCA assists teams to break down costs into distinct groups, thereby ensuring that a more consistent tracking of costs across projects.

British Thermal Unit

BTU is the capacity of heating and cooling systems. A small room needs fewer BTUs, a larger room needs more to heat or cool.

R-Value

R-value is a measure used in construction to determine how well a material resists heat flow and is commonly applied to insulation to improve energy efficiency in buildings.

GEA

GEA refers to the total floor area of a building measured to the outer face of external walls, giving a complete view of the building’s overall size.

D-Load

D-Load is the permanent weight of a building’s materials and fixed components that the structure must support over time.

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Takeoff and Estimating Glossary

Knowledge Hub of Construction Estimating & Takeoff

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