1PROJECT MANAGEMENT Part B Cost management planning can be done in various methods. The first method is the manual cost estimation method in which the overall costs including material costs, contract fees, overall wages and others. However, this method is most of the time is inaccurate and not suitable for large scale projects (Walker, 2015). This is mainly due to cost variance and changes in standard rates during the course of the project that are not considered in this estimation. Furthermore, in this type of estimation, the resources are not properly allocated in different phases of the project and hence, very inaccurate results are obtained. However, some advanced cost estimation techniques have since been developed that are much more accurate and easy. Two of the techniques are known as bottom up estimation and top down estimation. Of these two, bottom up estimation is the most common technique that is being utilized in project management (Schwalbe, 2015). The main benefit of this technique is that it can be done simply using a project management scheduling software by allocating various resources to each of the work packages of the project. The most software that is being is used for the purpose in Microsoft Project. This is a very efficient tool for cost estimation as it also considers cost variations and even partial allocation of resources in a particular work package. The generally followed technique for cost estimation using this software is as follows. Schedule Activities: First, the list of activities is inserted and the respected project phases are added. Based on the requirement of the project phases and work packages, the work packages are scheduled that includes total number of days / hours of work and total duration within the project (Fleming & Koppelman, 2016). This is possible by linking all the work packages based
2PROJECT MANAGEMENT on a specific arrangement and predecessors. Based on these links, the durations of the project vary significantly. Example: Task NameDurationStartFinishPredecessors Phase 195 daysWed 01-03-00Tue 11-07-00 Excavation20 daysWed 01-03-00Tue 28-03-00 Foundation75 daysWed 29-03-00Tue 11-07-004 Phase 2113 daysWed 19-04-00Fri 22-09-003FS-60 days Steel Structure40 daysWed 19-04-00Tue 13-06-00 Concret Structure73 daysWed 14-06-00Fri 22-09-007 Phase 3 Enclosure134 daysWed 12-07-00Mon 15-01-013 Masonry40 daysWed 12-07-00Tue 05-09-00 Windows50 daysWed 06-09-00Tue 14-11-0010 Roof44 daysWed 15-11-00Mon 15-01-0111 Add resources: The second step is to add resources in the resource sheet of the software. These resources include human resources, material resources and work resources that are relevant for the project (Kerzner & Kerzner, 2017). With these resources, the standard rates are set based on the current market value. For the human resources, the unit of the rate is
3PROJECT MANAGEMENT currency/hour of work while the cost of material resources is accepted in cost/unit. Costs for work resources cannot be set and has to be done manually in after allocation of the same in a work package. Example: Resource Name Type Materia l Label Initial s Grou p Max. Units Std. Rate Ovt. Rate Cost/ Use Accrue At Base Calenda r CFO;Legal;V P Mktg WorkC100% $350.00/ hr $0.00/ hr $0.00ProratedStandard SplientWorkS100%$75.00/hr $0.00/ hr $0.00ProratedStandard COO Wor k C 100 % $100.00/ hr $0.00/ hr $0.00 Prorate d Standar d COO;Dr. Link WorkC100% $125.00/ hr $0.00/ hr $0.00ProratedStandard Dr. Link Wor k D 100 % $75.00/hr $0.00/ hr $0.00 Prorate d Standar d Chief Engineer WorkC100% $100.00/ hr $0.00/ hr $0.00ProratedStandard LegalWorkL100%$50.00/hr$0.00/$0.00ProratedStandard
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4PROJECT MANAGEMENT hr Allocate Resources: Finally, in the last phase, the resources are allocated to each of the work packages of the project. One work package may have one or more resources allocated to it but in order keep the duration of the work same, the work portions for each of the resources are reduced (Binder, 2016). Again, in order to decrease the number of resources from a work package keeping the duration same, the work for the staying resources increase significantly. Based on these allocations of resources, the software is able to estimate the costs at each of the work package and deliver an accurate total budget easily. Example: Task Name Duratio n StartFinish Predecessor s Resource Names Cost Operational Implement... 344 days Mon 02- 08-99 Thu23- 11-00 $393,400.00 Management/ Organization... 87 days Mon 02- 08-99 Tue30- 11-99 CFO;Legal;VP Mktg $243,600.00 Recruit & Hire Execute... 88 days Mon 02- 08-99 Wed01- 12-99 Splient$52,800.00 Recruit47 days Mon 02- 08-99 Tue05- 10-99 $0.00
5PROJECT MANAGEMENT Hire40 days Wed 06- 10-99 Wed01- 12-99 4$0.00 candidate selection 20 days Wed 06- 10-99 Wed03- 11-99 $0.00 contract sign20 days Thu04- 11-99 Wed01- 12-99 6$0.00 InteriorDesign issues de... 20 days Mon 02- 08-99 Fri 27-08- 99 COO$16,000.00