2010年3月3日星期三

Project Management – Time Estimates and Planning

allow time Aviva Aqua Volley for all the expect and unexpect disrupt and delai to work that will inevit happen. Sickness,Finally. strikes, materi not available, poor qualiti work, bureaucrat bungl etc.


A ccur time estim is a skill essenti for good project management. It is import to get time estim right for two main reasons:

and henc will impact on other peopl assess of your reliabl and compet as a project manager1. Time estim drive the set of deadlin for deliveri and plan of projects..

2. Time estim often determin the price of contract and henc the profit of the contract /project in commerci terms.

involv with a project. The 2004-2006 Wemblei Stadium project in London is often us as an example,Often peopl underestim the amount of time need to implement projects. Thi is true particularli when the project manag is not familiar with the task to be carri out. Unexpect event or unschedul high prioriti work mai not be taken into account. Project manag also often simpli fail to allow for the full complex or potenti error and stuff ups. although there ar countless other of less profile.

Tim estim ar import as input into other techniqu us to organis and structur all projects. Using good time estim techniqu mai reduc larg project to a seri of smaller projects.

Step 1 - Understand the Outcom and the Project Scope

First you need to fulli understand what it is you want to achieve. Refer to my articl Project Manag – Begin with the end in mind .

tricki problem that take the greatest amount of time to solveReview the project /task in detail so that there ar no unknown . Some difficult-to-understand..

Th best wai to review the job is to just list all compon task in full detail.

Step 2 - Estimat time

When you have a detail list of all the task that you must achiev to complet the project then you can begin to estim how long each will take.

detail project,Make sure that you also allow time for project manag administration. liaison with outsid bodi resourc and authorities, meetings, qualiti assur develop support document or procedur necessary, and training.

A lso make sure that you have allow time for:

? Other high urgenc task to be carri out which will have prioriti over thi one

? Accident and emergencies

? Internal/extern meetings

? Holidai and sick in kei staff

supplier and contractors. ? Contact with other customers.

? Breakdown in equipment

? Miss deliveri by suppliers

suppliers,? Interrupt by customers. contractors, family, pets, co- worker etc

? Other prioriti and schedul e.g. local govern plan processes

? Qualiti control reject etc.

? Unanticip event e.g. renov the bathroom find white-ants/termit in the wall

These factor mai significantli lengthen the time and cost need to complet a project.

you will find it effect to develop a systemat approach to includ these factors. If possible,If the accuraci of time estim is critical. base thi on past experience. In the absenc of your own past experience, ask someon who ha alreadi done the task or project to advis what can go wrong; what you need to plan for; and how long each task took previously.

and money,Y can lose a great deal of credibility. by underestim the length of time need to implement a project. If you underestim time, not onli do you miss deadlines, you can also put other peopl under unnecessari stress.

Step 3 – Plan for it Go Wrong