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Estimating
The process of determining the anticipated cost of materials, labor, and
equipment of a proposed project.
Take-off
The process in which detailed lists are compiled, based on drawings and
specifications, of all the material and equipment necessary to construct a project.
The cost estimator uses this list to calculate how much it will cost to build the
project.
Quantities
Measured amounts of construction items expressed in their customary units.
Quantification
In estimating an activity to translate project scope information into resource
quantities suitable for
Quantity survey
A detailed analysis of material and equipment required to construct a project.
Area
,A measurement of a given planar region or of the surface of a solid.
Area method
A construction cost estimating system employing unit square foot costs multiplied
by the adjusted gross floor area of a building.
Length
The longest dimension of an object.
Linear measurement
A unit or system of units for measuring length: 12" = 1', 3' = 1
yard, 1 yard = 0.9144 meters, 1 mile = 5,280 feet.
Dimension
A distance between two points, lines, or planes.
Specifications
Documents that define the qualitative requirements for products, materials, and
workmanship upon which the contract for construction is based.
Drawings
Graphic illustrations depicting the dimensions, design, and location of a project.
Generally including plans, elevations, details, diagrams, schedules, and sections.
, Addendum
A document describing an addition, change, correction, or modification to
contract documents. An addendum is issued by the design professional during the
bidding period or prior to the award of contract, and is the primary method of
informing bidders of modifications to the work during the bidding process.
Addenda become part of the contract documents.
Amendment
A modification of the contract by a subsequent agreement. This does not change
the entire existing contract but does alter the terms of the affected provisions or
requirements.
Grade
The surface or level of the ground.
Level
A term used to describe any horizontal surface that has all points at the same
elevation and thus does not tilt or slope.
Site
The location of a project geographically, usually defined by legal boundaries.
Elevation
A vertical distance relative to a reference point.