CE 366 PROJECT MANAGEMENT AND ECONOMICS Robert G. Batson, Ph.D., P.E. Professor of Construction Engineering The University of Alabama [email protected] Chapter 6: Production Planning. Production Planning is “ Microplanning ”.
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During bidding, the estimator(s) depended on a small team of experienced personnel with appropriate input from suppliers and subcontractors
During project planning, the planner(s) depended on a larger group of personnel to create the precedence diagram, identify restraints, and estimate activity and lag times
During production planning, the prime contractors, and suppliers develop and commit to detailed plans; also, specialists in personnel, purchasing, transportation, on-site material handling, quality, safety, equipment maintenance, and even security begin to participate
Some aspects of the project are already fixed (boundary conditions) and cannot be changed, for various reasons
Other aspects are subject to discussion, redesign or re-planning, and upon approval -- changes are made. This is what the authors mean by “reengineering the project”
Brainstorming is a “team creativity” technique used to elicit improvement ideas in a manner of free association, without criticism or comment -- quantity is emphasized at first, evaluation leading to a team recommendation comes later.
Detailed production planning may be done in one team for small projects or in subteams for larger projects
There is an inherent conflict between achieving schedule and the quality of workmanship or overall work results
Quality of workmanship in crafts is achieved when
The management (through foremen) emphasizes and expects quality in every job
The management provides the appropriate drawings, instructions, materials, equipment, training, etc. for the worker to produce quality; and the worker gets feedback
The worker is motivated to meet expectations
Quality planning especially applied to item 2 above, so e.g. if the worker is expected to mix a batch of concrete, he would have the “recipe” and instructions, the proper materials and equipment, know how to do the steps safely, and then have a way of knowing the batch meets specifications
Quality planning applies to technical and business processes as well, at the contractor and in how contractor will manage quality of supplied materials and subcontracted work
A specific worker should handle the receipt of materials
Purchase order is used to check identity and quantity of items
Notes are taken on “not correct , short, or damaged” materials
Unloading equipment and the designated on-site storage location, unless materials go directly to workface
Inventory control procedure are used to track quantities and location of all on-site materials; helps avoid assignment of materials to wrong installation, and also can be used to control accessibility issues
The fewer intermediate moves (put down, pick up, move), the better for both material quality and workplace productivity