{{unreferenced, date=September 2010
In
civil engineering
Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewage ...
and
construction
Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and com ...
, the neat volume is a theoretical amount of material.
For
earthworks
Earthworks may refer to:
Construction
*Earthworks (archaeology), human-made constructions that modify the land contour
* Earthworks (engineering), civil engineering works created by moving or processing quantities of soil
*Earthworks (military), m ...
, it can refer to the volume either before native material is disturbed by
excavation, or after placement and compaction is complete. A percentage is typically added to neat volume to estimate loose (i.e. uncompacted) volumes for
procurement
Procurement is the method of discovering and agreeing to terms and purchasing goods, Service (economics), services, or other works from an external source, often with the use of a tendering or competitive bidding process. When a government agenc ...
purposes.
With
concrete
Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most wi ...
work, neat volume is calculated assuming there is no bowing in the
formwork
Formwork is Molding (process), molds into which concrete or similar materials are either precast concrete, precast or cast-in-place concrete, cast-in-place. In the context of concrete construction, the falsework supports the shuttering mold ...
, or, for cast-in-place concrete, that the surfaces in contact with the concrete have no voids or imperfections that would require a greater volume of concrete to fill.
Civil engineering