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What Is an Engineering Map?

Mary McMahon
Mary McMahon
Mary McMahon
Mary McMahon

An engineering map is a reference for engineers and contractors who may be involved with engineering projects. It can provide information about utilities, public works installations, and natural phenomena of concern. General reference maps may be maintained for an area by a government agency for the benefit of project planning. Custom maps can be produced in association with a specific proposal, and in some cases are required as part of an application to demonstrate that engineering tolerances and concerns have been considered in the planning process.

One example of an engineering map is a diagram of installations like power lines, sewer pipes, or phone lines. This type of map can be constantly updated to keep pace with developments. Utility engineers use such maps when setting up hookups, planning repairs, and addressing concerns. People who may need to work in the area can request a copy of the map so they know where it might be unsafe to dig or use chopping tools. For example, engineering maps at gas companies provide references on buried lines for construction companies.

Engineering maps may be used as a reference during construction or renovation.
Engineering maps may be used as a reference during construction or renovation.

Other maps can cover natural phenomena. These can include subjects like average wind speed, soil conditions, and rainfall. This kind of engineering map may be necessary for project planning; a structure in an area with high wind speeds, for example, needs to be designed with this in mind. Likewise, an engineering map may be used to determine if a facility can be built in a proposed location. Schools, for example, may be barred on ground that could be subject to liquefaction in an earthquake, due to safety concerns.

Tunnel building requires very specific engineering maps that detail soil conditions in the area.
Tunnel building requires very specific engineering maps that detail soil conditions in the area.

Preliminary engineering studies of a proposed building site may result in the generation of an engineering map to review the specifics of the location. The map provides information about observations on soil conditions and other issues that might play a role in building design. It can be part of an environmental impact statement used as part of a permit application. Engineers may need to show that it will be safe to build in a given location before they will be granted permission to move forward with construction.

Custom engineering maps can be produced in association with a specific proposal.
Custom engineering maps can be produced in association with a specific proposal.

Some maps are proprietary, and cannot be reviewed by members of the general public. Others are freely available and may be accessible online in some cases through county planning departments and similar agencies. The engineering map should include a key to help people decode what they see, along with notes to contextualize the data.

Mary McMahon
Mary McMahon

Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a AllTheScience researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors.

Mary McMahon
Mary McMahon

Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a AllTheScience researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors.

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    • Engineering maps may be used as a reference during construction or renovation.
      By: Kadmy
      Engineering maps may be used as a reference during construction or renovation.
    • Tunnel building requires very specific engineering maps that detail soil conditions in the area.
      By: viappy
      Tunnel building requires very specific engineering maps that detail soil conditions in the area.
    • Custom engineering maps can be produced in association with a specific proposal.
      By: auremar
      Custom engineering maps can be produced in association with a specific proposal.
    • One example of an engineering map is a diagram of installations like power lines, sewer pipes or phone lines.
      By: Andrei Merkulov
      One example of an engineering map is a diagram of installations like power lines, sewer pipes or phone lines.