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Pert and Cpm

Essentials of Track Maintenance

As mentioned earlier, a well-maintained track provides the base for a safe and comfortable journey. Therefore, for a track to serve its purpose well, the followingcharacteristics are required of it. (a) The gauge should be correct or within the specified limits (b) There should be no difference in cross levels except …

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Cash flow control

Activity float and schedules: A number of different activity schedules can be developed from the critical path scheduling procedure described in the previous section.An earliest time schedule would be developed by starting each activity as soon as possible, at ES(i,j). Similarly, a latest time schedule would delay the start of …

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SCHEDULING

Scheduling means putting the plan on calendar basis. A project network shows thesequence and inters dependencies of activities, their time and their earliest and latestcompletion time, but these needs to be scheduled to determine commencement andtermination dates of each activity.Using optimum resources or working within resourceconstraints, it is a time …

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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-defined code specific to that activity. The use of a common nomenclature or identification system is …

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Purpose of coding

To identify the data connected with each work package, as work packagesfrom the database for managing various project functions. To aid in the organization of data from the very detailed to the very broadlevels  To enable the processing, sorting, and extraction of information requiredat various levels of management and functional …

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Project planning techniques

Stages Planning process Techniques/methodsPlanning resourcesPlanning implementationBreaking down projectwork, developing timenetwork plansForecasting resourcerequirements, planningmanpower requirements,planning materialrequirements, budgetingcosts, designingorganizational structureFormulating monitoringmethodologyWork break down, networkanalysis, gnat chartMan power schedulingMaterial schedulingResource allocationCost planning & budgetingEquipment selection andschedulingResource productivitycontrol, time control,contribution control,budgetary control The steps involved in planning:  Defining the scope of work to be …

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Objectives of planning

Proper design of each element of the project Proper selection of equipment and machinery in big projects, the use oflarge capacity plants are found economical Procurement of materials well in advance Proper arrangement of repair of equipment and machinery Employment of trained and experienced staff on the project To provide …

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Planning

Planning aims at formulation of a time based plan of action for coordinatingvarious activities and resources to achieve specified objectives. Planning is theprocess of developing the project plan. The plan outlines how the project is to bedirected to achieve the assigned goals. It specifies a predetermined and committedfuture course of …

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