W12_Reginald Nwachukwu_Scheduling 27.0m Length Precast Box Culvert

1. Problem Definition or Opportunity Statement:

To develop schedules for the construction of 27.0m length precast box culvert.

It is required to develop working schedule that will be used to manage and control the construction activities of 27.0m length precast box culvert that have been authorized by the client to be constructed. The lead scheduler have asked me to develop initial schedules that can be used to optimize the construction activities required to complete the subtask.

2. Development of Feasible Alternatives:

The alternatives that may be developed includes constructing various types of schedule that show more visibility into the project and can be used to manage and control work activities. The following are few alternatives that can be employed:

(a.) Bar/Gantt Chart
(b.) Milestone Chart
(c.) CPM Method
(d.) Line of Balance (LOB)
(e.) PERT
(f.) Monte Carlo Simulation

3. Development of Outcome for Each Alternative:

Development of the outcome for each alternative will be determined by evaluating how each alternative show more visibility into the various tasks required to complete the subtask. This visibility is basically evaluated by show activity logic/relationships, their floats, early and late dates and the minimum completion date.

4. Selection of Acceptable Criteria:

The criteria used for selection of acceptable criteria is based on each alternatives displaying the required visibility into the series of tasks/activities that are necessary to complete the project. Here, the identification of the CRITICAL ACTIVITIES is of uttermost important and is used to select the acceptable schedule.

5. Analysis and Comparison of Each Alternative:

To evaluate the schedule types to be used for managing and controlling the tasks for constructing the 27.0m length precast box culvert, only the Bar Chart and the PDM method have been used. Other types of schedules will be analysed and their impacts on scheduling tasks evaluated.

6. Selection of Preferred Alternative:

The selected alternative is the CPM Method since it showed more visibility and activities characteristics such as their relationships, floats, early and late date and the project completion date.

7. Performanance Monitoring and Evaluation of Results:

The evaluation and performance reporting will be achieved by monitoring the actual dates and the possibility of the schedule to represent the actual construction been performed on site. The

References:

1. Humphreys G.C. (2002) Project Management Using Earned Value (2nd Edition) pp. 143 - 144 Orange CA Humphreys & Associates

2. AACE International (2012) Skills and Knowledge of Cost Engineering (5th Edition Revised) pp. 13.3-13.7  AACE International Morgantown W.V. 

2. AACE International (2008) Planning and Scheduling Professional certification Guide (First Edition Revised) pp. 143-147  AACE International Morgantown W.V.