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In work measurement, a standard data system (SDS) is a database of normal time values, usually organized by work elements that can be used to establish time standards for tasks composed of work elements similar to those in the database.
The number of units allocated to each element of work can be based on effort or cost; it is not an estimate of task duration. The three largest elements of WBS Level 2 are further subdivided at Level 3. The two largest elements at Level 3 each represent only 17% of the total scope of the project.
0 no activity 50 very slow 75 steady 100 brisk (standard rating) 125 very fast 150 exceptionally fast The basic time for a task, or element, is the time for carrying out an element of work or an operation at standard rating. Basic time = observed time x observed rating The result is expressed in basic minutes – BMs.
Define and document the standard method. Divide the task into work elements. These first two steps are conducted prior to the actual timing. They familiarize the analyst with the task and allow the analyst to attempt to improve the work procedure before defining the standard time. Time the work elements to obtain the observed time for the task.
These three points and the imaginary lines between them make up what kitchen experts [who?] call the work triangle. The idea is that when these three elements are close (but not too close) to one another, the kitchen will be easy and efficient to use, cutting down on wasted steps. [1] There are exceptions to this rule.
He calls this relationship PCTS (Performance, Cost, Time, Scope), and suggests that a project can pick any three. The real value of the project triangle is to show the complexity that is present in any project. The plane area of the triangle represents the near infinite variations of priorities that could exist between the three competing values.
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The standard listing of construction specifications falls into 50 Divisions, or broad categories of work types and work results involved in construction. The divisions are subdivided into sections, each one addressing a specific material type (concrete) or a work product (steel door) of the construction work.