Constraint Management in Construction Management Assignment

Assignment Task

Introduction

Every construction project is unique and has its own operating environment and sets of technical requirements. As a result, the execution of a construction project is subject to numerous constraints that limit the commencement or progression of field operations, which invariably have significant negative impact on overall project performance. By definition, constraints refer to any condition, such as temporal/spatial limitations and safety/quality concerns, which may prevent a project to achieve its goals. Successful execution and control of a construction project relies on effective identification and management of constraints through master planning and short-term look-ahead scheduling. While the master schedule provides a global view of a project and the overall execution strategy, a look-ahead schedule offers a detail account of operational constraints and a detailed plan showing work to be done within a relatively short time window. Ideally, these detailed schedules should reflect actual field conditions and provide field personnel with operation instructions free of constraints and conflicts (Hinze 2008). This look-ahead scheduling and constraint analysis procedure is also a critical component of the last-planner methodology proposed by Ballard (2000). This research project will provide an overview of state-of-art schedule constraint analysis practice during look-ahead scheduling. In addition, it will propose a conceptual framework for managing constraints.

The penalty of gods was a means to tackle the troubles of humans by giving them a pessimistic exemplar and the fate to come for those who dishonoured their regulations. In the example of Prometheus, the comprehensive thought of Zeus was to create his place about the efforts of the public to get the aspects of god’s supremacy. Therefore, the fire was a representation of their dominance over mortals, and the following actions were meant to defend it by signifying to humans what would occur to them if they attempted to do it once more.

Prometheus was only fond of deceiving the public. He did not bodily hurt Zeus or anybody for the subject. Prometheus is the instructor of mortals, and when he noticed all those humans in pain due to no fire, he acted on it and stole it back for them. Prometheus did earn to be penalized, however, not as radically as he was. Zeus offered him pain for his whole life; he could have just contemplated a minor penalty and done something that proved to other gods he was in control. Like Pandora, Prometheus is simply one additional character who was mistreated and penalized wrongly. Zeus was unjust to penalize Prometheus, although Zeus was the one who allotted “Prometheus and Epimetheus” the job of offering humans and animals rewards that can guarantee their endurance. Moreover, they yet assisted Zeus in the fight against “Cronus” and the additional Titans. Zeus penalized Prometheus for thieving light from the sun; however, he by no means penalized Athena for directing Prometheus to the sun in her chariot.

Prometheus shows his familiarity with the way by which Zeus will descend from supremacy and his denial to settle with the dictator. This and related statements weaken the spectators’ confidence in Prometheus’s fore-comprehension since the Athenian listeners identified that Zeus would not descend. The Titan has an awareness of upcoming occurrences; however, in some ways, his knowledge stays unfinished and vague. Prometheus himself adds to this vagueness when he says, optimistically, “yet sometimes he [Zeus] shall be mild of mood  and run to meet me. Then peace will come and love between us two.” Prometheus expresses gratitude to Ocean for his insight, which, paradoxically, permitted him to get away from the chastisement Zeus imposed on the further Titans.

Promethean pride is the conviction that one can, by one's supremacy, resolve vagueness that has mystified great minds. This conceit is essential for technical infiltrations. Prometheus was not just provoked to challenge the conformist wisdom--that human was not anticipated to boast fire--he moreover ignored the system in his pursuit. Not like his fellow humans, Prometheus was certain that fire was valuable for stealing and that he was able to thieve it. “The Promethean innovator” has this similar conviction and assurance. Nevertheless, continuous technical and scientific growth shows that the state of awareness at any known minute is, at best unfinished or incorrect.

The manner Zeus penalized Prometheus was extremely unjust. Zeus had an unkind part to him, similar to several olden gods, for instance, when he penalized Prometheus for thieving the fire of Olympus and offering them to the humans, hence giving the humans capability to grow and study. It was an extremely unkind and strange penalty. This was a penalty for disobeying Zeus' power. Such severe vengeance was familiar from Olympians such as Zeus and is frequently perceived as insignificant and needlessly cruel, yet by the principles of that era.

Problem Statement

The importance of developing a constraint-free and reliable work plan has long been recognized by the industry. However, numerous construction projects are still plagued by delays and cost overruns, which can frequently be traced to ineffective identification and treatment of constraints. First, when a constraint is not properly identified during scheduling, subsequent conflicts in the field are inevitable. Today’s projects are becoming more and more technically complex and logistically challenging, which exposes construction operations to even more complex constraints. Second, the traditional scheduling methods, bar charts and Critical Path Method (CPM) which are widely used as a basis for constraint analysis, greatly limit our capability in modeling and resolving constraints

Problem statement provides a clear and concise description of the issues that need to be addressed - What is the specific problem in that research area that you will address (e.g. lack of understanding of a subject, low performance …)?

during look-ahead scheduling. These methods have long been blamed for their limitations in modeling and communicating constraints, including inability to cope with non-time-related precedence constraints and difficulty to evaluate and communicate inter-dependencies at the field operation level (e.g. Sriprasert and Dawood 2002; Chua and Shen 2001). In summary, there is a need for a better understanding of constraints in construction and a structured approach in identifying and modeling constraints to ensure a constraint-free work plan. More specifically, the following research questions need to be addressed:

1. What are the typical constraints found in various construction projects?

2. How to classify these constrains for easier identification and modeling?

3. What are the current industry practice as well as research advancements in modeling and resolving constraints?

How to unify the constraint classification knowledge and various constraint modeling efforts into a framework for total constraint management?

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