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When planning and designing the installation of new or replacement of existing underground facilities, the designer follows all except:

a) Local ordinances
b) Environmental guidelines
c) Community preferences
d) National safety standards

User Dimib
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Final answer:

Designers follow local ordinances, environmental guidelines, and national safety standards when installing underground facilities, but community preferences are not mandatory. The principle of ecological engineering is likely applied when wetlands and lagoons are integrated into development projects for environmental benefits.

Step-by-step explanation:

When planning and designing the installation of new or replacing existing underground facilities, the designer must follow various regulations and guidelines to ensure the project is safe, environmentally responsible, and compliant with legal and community standards. These guidelines include local ordinances, environmental guidelines, and national safety standards. However, community preferences may be taken into consideration, they are not mandatory regulations that must be followed in engineering design processes in contrast to the other options.

The urban designers' inclusion of wetlands and lagoons connected to a water treatment plant in a new subdivision of homes most likely applied the principle of ecological engineering. This approach integrates the built environment with natural systems to treat wastewater, control flooding, and support local wildlife habitats while enhancing the aesthetic value and livability of the surrounding area.

User Robert Stewart
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