this paper seeks to understand the role of the cost of pollution from vehicles fuel in feasibility of cng national plan. optimal control theory is used with two target functions, one with and another without the cost of pollution. model results indicate the high importance of pollution cost in the project feasibility, in such a way that without consideration of that the project will be infeasib...

a vast number of organizational projects as well as complexity of decision making process can cause particular challenges for project management and its leadership. in order to use organization assets and opportunities efficiently, it is necessary that manager implement a comprehensive multidimensional project portfolio management system that considers economic, social and technical details of ...

In this paper we consider the relation between beliefs and goals in agent theory. Beliefs play three roles in reasoning about goals: they play a role in the generation of unconditional desires from conditional ones, they play a role in adoption of desires as goals, and they play a role in the selection of plans to achieve goals. In this paper we consider the role of goals in reasoning about bel...

rangeland plans as an management option is subject that by giving range to beneficiaries beneficiaries will be identified in the plans whit specific programs. the purpose of this study is to identify factors affecting the performance of rangelands schemes and consequently to rank the projects in razavi khorasan by identified factors. six original schemes in razavi khorasan were selected for thi...

This paper examines parametric estimating techniques applied to technology-driven projects in various industry sectors. Parametric estimating is the use of a subset of independent variables to predict the cost of a project. These independent variables may be specifications, features, functions, or some other high level descriptive elements that are used to define the scope of the deliverables a...

Since there are obvious uncertainties in task duration, the uncertainty will be passed step by step due to the precedence relationships among tasks. Therefore, one should pay attention to the robustness of project plan when scheduling the project. In this paper, the project plan robustness is evaluated as the probability of completing the project in the planning duration, the Monte Carlo method...

Chevron Australia, as part of the Wheatstone Project, is constructing a two train liquefied natural gas (LNG) facility and domestic gas plant at the Ashburton North Strategic Industrial Area, 12 kilometres west of Onslow on the Pilbara coast of Western Australia. The initial two-train facility design capacity is 8.9 million tonnes per annum (MTPA). Eventually, the facility could expand to produ...