| Topic : Smart construction engineering |
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Construction Planning & Management |
Project Management ++ |
Leadership Styles |
13 more ...
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Activity:
96 referals
401 views;
last activity : 28 Jul 2010 06:06 AM +0000
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Best Scheduling Technique - A Myth!!!
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PRIMEVERA
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Network Model
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Primavera 6.1
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M S Project
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SCHEDULING TECHNIQUE
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Use of the Last Planner System
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PERT
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Use Critical Chain Method
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Critical Path Method
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Q Scheduling
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Scheduling Techniques however good and advanced/ sophisticated they are can't be determied as Best as the effectiveness of such schedules lies in the activities or work packages identified as well the completeness of the schedule to bind with the total project scope. Also in practice it is noticed that all tools and techniques available in market / literature- CPM, PERT, CCPM, MS Project, Primavera all are good in only generating a base schedule and arriving at a project duration for client or top mgmt approvals. These schedules once freezed on day one, it takes immense efforts to rebaseline the schedule, once any changes to scope occurs. Any scope change is part and parcel of projects. Also defining how many activities is too much or too less is an art, which make life more miserable for schedulers. Further to this use of stringent interdependencies other that the straight forward finish - to - start is also not very partical indeed. Mind you; all these scheduling techniques are good for planning, and they fail when it comes to monitoring and control. Hence these schedules management efforts normally stops at the inital stages itslef, that is till the same is approved contractually after that these schedule just hang around at your office as a display piece/ monumental paper work. Its hard to DIGEST but its TRUE FACT!!!! If you don't believe in this MYTH, do visit your Project Managers Office or Project Conference Rooms and observe whats on the walls... :-) |
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Mr Shenoy you r write it helps in writing only,execution it wont help.
It all means that when we project schedulling we dont forsee many things which are going to effect project durations. Project or activity duration shall be more realistic so that project or activity move as per schedule. Frequent updation will still be required keeping in view nature of construction work (scope of work) and availabilty of resources. Matter is complex and not so simple. That is why it happens
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NOW A DAYS MOST OF THE PROJECTS ARE SCHEDULED WITH A TOOL CALLED PRIMEVERA, THIS SOFT WARE GIVES MORE CLARITY,WITH RESPECT TO TIME AND MATERIALS PROCUREMENT, |
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Most major construction projects, specially multi disciplinary industrial plant projects are managed using Primavera, which is basically a precedence networking software. Primavera has immense capabilities of scheduling and resource allocation and levelling. However, the complete capabilities of Primavera is hardly ever used by the planners. As the IIT Guwahati student said, the construction plan has to be kept updated on fortnightly basis, which, if done in Primavera, would give equally good control over the project, but it is hardly ever done. For less complicated projects, MS Project is a good enough tool, which works on the same principle. we have in the past managed multiple projects together in MS Project while working on the Ganga development Project in WB & Bihar. Q scheduling is an interesting concept, but quite simplistic in approach. This may be suitable to be used in parallel with Primavera to develop the detailed schedule of some parts of a complex project. However, Primavera is the scheduling / networking tool of choice for major projects as it can track the entire EPC (Engineering, Procurement & Construction) cycle effectively.
I use project management softwares like MS Project and Primaverra, and these softwares are very usefull tools for controliing the duration and resources of the project. The roles of project programme are Link the tasks with relationships, track and record the progress, predict on completion, define the critical path,generate cash flow matrix and diagram, resource requirement and support to levell the resourses, helps to estimate the potential affect of each events on the project schedule, accordingly support the claims. As per FIDIC the monthly progress bill should be justified with updated project schedule.
I strongly believes on the ground of my experience that Project Mangement Softwares are great tools for all the Successive PMs.
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Mr. Anjaneyula there are many scheduling techniques but the process of
construction planning and scheduling still presents problems and opportunities for
improvement. We should concentrate on scheduling in terms of insuring the effective coordination of work
and the attainment of project deadlines. According to me, the network model for representing project activities is an important
conceptual and computational framework for planning and scheduling. Networks not only
communicate the basic precedence relationships between activities, they also form the
basis for most scheduling computations. As a practical matter, most project scheduling is performed with the critical path
scheduling method, supplemented by heuristic procedures used in project crash analysis or
resource constrained scheduling. Many commercial software programs are available to
perform these tasks.
The need of the hour is much more flexible and complete representation of project information..... @Jha: Thanks for the link.... |
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I am doing scheduling ,resource planning and budgeting in P6.1.I had tried it with infrastructure and real estate both.Its a great tool.Once you have done with your plan,you can schedule it and fix the baseline.If afterwards there comes any change of scope i.e cost increase or duration increase.You can apply changes to the plan and reschedule it and fix the baseline which will be your target baseline.Then you can track the project with your target baseline. |
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I think this is the best tool for scheduling any project, and i totally agree with rashmi !!
Why not ok for this by Amarlingaiyah.
now a days in market is fluctuating at very unknowable way,for this rescheduling has become a very unavoidable though most unwanted ,hence for which nothing better than this,
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ok |
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vivek,yeh maytas hai
That is maytas
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This is also best techniques in scheduling of projects in respect to Completion time of project, scheduling of various actuvity in construction |
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I THINK BEST TECHNIQUE IS TO IDENTIFY THE WORK VOLUME BY PROPER FAST ESTIMATION AND ALSO THE RESOURCES AND THE DAILY TURNOUT & QUALITY OF THE RESOURCES . THER RISK FACTOR AND THE LOGISTICS MATTERS ARE ALSO CONSIDERABLE. |
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You are absolutely right, but you always need a target or baseline project to comapare and to know where you are.
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It is high time that the construction industries in India realize the importance of Lean Construction and especially the Last Planner System. Many companies abroad who were on the brink of bankruptcy have found a new lease of life due to lean construction. The traditional scheduling techniques like CPM and PERT can not handle uncertainties associated with construction activities and most of all majority of the construction delays occur because of inefficient or improper planning. Hence it is very neccessary to do planning every fortnight in order to have continuous work flow and also all people concerned with the execution should actively take part in it as they are the ones who will finally execute the project. |
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THE BEST OPTION FOR MONITORING THE PROJECT IS PROGRAM EVALUATION AND REVIEW TECHNIQUE.PERT AFFORD A SPACE TO CORRECT THE COURSE OF ACTION AND MOVE THE PROJECT ON SCHEDULE. |
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Infact, as Nitin rightly pointed out no scheduling technique will work unless the same is regularly update. However, Critical Chain Method takes care of certain risks associated with a schedule and also handles the student's syndrome quite well. If the same can be integrated with quantitative Risk Management Techniques it is expected to work.
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I use critical path method (CPM) for scheduling.Indeed I feel critical path scheduling as the only usable and practical scheduling procedure. Computer programs and algorithms for critical path scheduling are widely available and can efficiently handle projects with thousands of activities....
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Mr. Reddy, This is a new technique which is gaining popularity. This technique will ensures cost optimization for the contractor, continuation of work flow for all employed resources, as well as minimization of idle times for each crew. You can go thru this for more info.... |
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coNstRUCTION scheDULe tECHNIQUES
www.newconstruction ncr
time scheduling of projects
new construction metnod adopted in india for faster completion of a project
construction scheduling techniques
india construction schedules
primavera
construction planning & scheduling
traditional scheduling techniques
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