The Work Breakdown Structure (WBS) is a hierarchy- call list of project tasks that defines the scope of a project, which translates into effort, timeline, and budget. An important WBS planning objective is project scheduling. This is a work breakdown structure for Integrated management information system. In this diagram, integrated management information system is breakdown into internet data center construction, requirements, system encode & execution. Then next level is sub branching of the breakdown category. Internet data center construction is sub branched into equipment sourcing and construction, requirements into research and assessment, system encode into OA system, finance system, IT system, mailing system, testing and inspection & acceptance, execution into system test, training, commissioning and project appraisal.