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Schedule Levels

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Schedule Levels... When producing programmes for a project, I use the following levels of programmes: LEVEL 1 : Project Management overview schedule/programme, by Project Phase. LEVEL 2 : Area or Process/Utility Unit schedule/programme, by Project Ph...

Feb 5, 2009

Activity Codes

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Activity Codes / Coding Systems One objective in many construction planning efforts is to define the plan within the constraints of a universal coding system for identifying activities. Each activity defined for a project would be identified by a pre...

Feb 5, 2009

Activity Durations

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Activity Durations... In most scheduling procedures, each work activity has an associated time duration. These durations are used extensively in preparing a schedule. All formal scheduling procedures rely upon estimates of the durations of the variou...

Feb 5, 2009

Concurrent Delay

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Introduction The claiming and granting of extensions of time in large infrastructure projects is often a complicated and fractious process. One common reason for this is the issue of concurrent delay. A concurrent delay occurs when two or more causes...

Mar 7, 2009

Schedule Variance

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A parameter of [[Earned Value Analysis]]. The difference between the [[Budgeted Cost]] of work carried out and the budgeted cost of work planned. The difference between the planned performance and actual performance. The difference between identical ...

Feb 3, 2009

Contigous Piling

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Principles of Construction Often known as "Colcrete" piling, which is a type of trade name. Usually replaced by diaphragm walling methods.Essentially typical bored piles, or down-the-hold bored piles, are constructed with a spacing such that each pil...

Feb 7, 2009

Activity ID

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A unique code, usually alpha-numeric, that identifies each activity in a project programme or schedule.

Jan 29, 2009

Bar Chart

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A graphical chart on which activities are represented as bars drawn against a common time scale. Typically a date scale is drawn across the top of the page and a list of activities down the left hand side of the page. Activity timing and durations ar...

Feb 3, 2009

Calendar

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A list of the time intervals during which activities can be worked and / or resources used. Typical data includes working days/non-working days, start and finish times for work-shifts, weekends, holiday periods and extra workdays. Each activity and/o...

Feb 3, 2009

Constraint

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Restrictions that affect the sequence or timing of an activity. These include predecessor dependencies but more often refer to Imposed Dates. An imposed date restriction on the start or finish of an activity that overrides logic relationships. Positi...

Jan 29, 2009

Delay & Disruption Protocol

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DELAY AND DISRUPTION PROTOCOL INTRODUCTION The Protocol has been produced by a drafting sub-committee formed by a group of members of the Society of Construction Law. The Protocol is not intended to be a contract document. The information, recommenda...

Feb 5, 2009

Activity Duration

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The time period calculated or estimated to carry out an activity. Each activity is uniquely identified by an [[Activity ID]]

Feb 3, 2009

Critical Path Method

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The term Critical Path Method (CPM) refers to a specific technique of schedule Network Analysis that is used to determine the amount of flexibility that exists in regards to the scheduling of a particular and specific logical network path with the ne...

Feb 2, 2009

Free Float

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The period by which an activity, or group of activities, can be delayed, brought forward or extended without affecting any other tasks, or the Programme End Date. The amount of time that a noncritical activity can be delayed without affecting the com...

Feb 2, 2009

Total Float

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Total float is how many delays are allowed from the beginning of the project which will not interfere with the projected completion date. Anything can happen during the course of working on an extended task. Projects can be affected by adverse weathe...

Feb 2, 2009

Activity

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活动是描述范围元素的程序,时间表或网络的元素。活动预计需要的时间长度称为[[活动持续时间]]。消耗时间和使用资源(例如人员,材料和设备)的项目范围元素。活动是程序中最小的工作单元,但取决于程序的层次结构或详细程度,可以分为更小或更详细的活动。也称为[[任务]]。所有活动都由唯一的[[活动ID]]定义。活动是一个或者一类角色团队的任务。

Feb 3, 2009