what is the first step in building a dam?

Question

not one of the beavers. this is for hw. include website too please

Answer 1

The designers of a dam must consider the stream flow around or through the damsite during construction. Stream flow records provide the information for use in determining the largest flood to divert during the selected construction period. One common practice for diversion involves constructing the permanent outlet works, which may be a conduit or a tunnel in the abutment, along with portions of the dam adjacent to the abutments, in the first construction period. The stream is diverted into the outlet works by a cofferdam high enough to prevent overtopping during construction. A downstream cofferdam is also required to keep the damsite dry.
Significant other engineering and engineering geology considerations when building a dam include:
•permeability of the surrounding rock or soil
•earthquake faults
•landslides and slope stability
•peak flood flows
•reservoir silting
•environmental impacts on river fisheries, forests and wildlife
•impacts on human habitations
•compensation for land being flooded as well as population resettlement
•removal of toxic materials and buildings from the proposed reservoir area

Here are some reference site that can help you:
http://articles.co.nr/report/dam.htm
http://en.structurae.de/structures/stype
http://www.dams.org

Answer 2

The first step in any project is determining the need. Closely tied to that is determining the desired result. One doesn't need a web site to understand and explain that.

This thought can be expanded on by addressing the factors that determine whether a dam can produce this result. Such things as terrain topography, continuity of a sufficient flow of water, and such things as suitability of the impoundment for the activities desired. This would include hydro power, recreation, flood control and irrigation.

Whether you use this information or not, always remember the idea that all planning starts with the determination of a need, soon followed by determination of the desired result.

Let me give you an example. Some of our laws require visible fire alarm signals for the hard of hearing. I myself am so hard of hearing I would not hear the telephone, the doorbell, the alarm clock, without my hearing aids. Of the thousands who die from fire every year, it is doubtful if any die because they were hard of hearing and did not hear a fire alarm. Yet we spend many millions of dollars installing these devices, and millions more to maintain them. And maybe we do not save a single life with them. What we have is a very good solution---but for a non problem.

For those millions, we could save many more lives if it wer spent in other ways. Better health care for the needy, medical research, you name it.

Answer 3

Choosing a site and collecting relavent site data.

Answer 4

location