Civil Engineering in Ashley, IN

Civil Engineering in Indiana: what governs your project

Construction stormwater discharges are regulated by the Indiana Department of Environmental Management (IDEM) through its construction stormwater general permit, commonly known as the Rule 5 permit. Access to state highways requires driveway permits from the Indiana Department of Transportation. Erosion control must address the state's glacial soils, and many counties enforce local stormwater and drainage ordinances on top of state requirements.

Permitting & plan check

The Indiana Department of Homeland Security reviews building plans for Class 1 structures at the state level, which covers most commercial and multi-family construction. Local building departments issue permits and perform inspections under the Indiana Building Code. Filing with the state plan review office early is standard practice on commercial projects.

Good to know

• Southwest Indiana sits near the Wabash Valley Seismic Zone, giving that region higher seismic design requirements than the rest of the state.
• Indiana's construction stormwater permit under IDEM is widely known as the Rule 5 permit.
• The Indiana Department of Homeland Security performs state-level plan review for Class 1 structures, a category that covers most commercial buildings.

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