Figure 1-2 Project planning arrow diagram.

schedule, with the earliest "critical" activity the first activity on the schedule. Activities that can start after the first critical activity is completed, including the second critical activity, are plotted under the first critical activity in a horizontal fashion. This format is continued until all tasks have been arranged and plotted to illustrate the anticipated "flow" of the work to be performed.

A typical Gantt chart schedule is illustrated in Figure 1-3. The project description should be placed on the top of the schedule and should include all supervisory personnel. Each activity should be labeled and allotted two lines: the first line is used to plot the estimated progress at the onset of the job, while the second line is used to track the activity during the course of the project. Critical activities should be marked with an asterisk. These activities, if delayed, will delay the entire project. Each line should include start and finish dates. This allows comparisons to be made after the task has been completed, which will allow future projects to be planned more accurately. The percent completion column allows a quick comparison of how the project is progressing. The blank lines on the bottom of the schedule should be used to plot any activities that had to be performed but were not predicted at the beginning of the job.

1.4.4 Environmental Authorization

OPNAVINST 5090.1A sets a policy for implementing the National Environmental Policy Act (NEPA). NEPA provides a means for establishing environmental policy and encourages the participation of Federal and State involved agencies and affected citizens in the environmental assessment process. The instruction places the responsibility of complying with NEPA on the entire Navy chain of command. This section will assist all those in the chain of command to understand the administrative and procedural responsibilities necessary to fulfill the requirements of the OPNAVINST and NEPA. Examples of environmental concerns requiring permits are:

• Air Pollution

• Water Pollution

• Alteration of Coastline

• Noise Pollution (including subsurface)

• Hazards to Navigation

• Personnel Safety

• Waste Minimization

• Discharging of Hazardous or Potentially Hazardous Materials

• Protection of Threatened and Endangered Species

• Protection of Natural, Historic, and Cultural Resources

• Interference with Commercial or Recreational Activities

The NEPA requirement of "coordination" with local, State, and Federal agencies is strictly administrative. A Federal agency that is planning to conduct an activ ity wmcn may attect the environment, must consider the effects of that activity on the environment. A Federal agency documents the effects "considered" in one of three ways:

• Activities which will significantly affect the environment require an Environmental Impact Statement (EIS).

• When a Federal agency is unsure of the impact to the environment, an Environmental Assessment (EA) is written in order to analyze the activity. EIS and EA documents are long, detailed documents and are usually written by an environmental professional.

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