Engineering: Codes & Standards Close Menu Codes & Standards DNR Engineering Codes & Standards All projects shall meet and comply with the applicable portions of the latest editions of the standards and codes. Below is a partial list of the most frequently used codes and standards, and required approvals. Indiana Building Code - Uniform Building Code (UBC). Indiana Mechanical Code - Uniform Mechanical Code (UMC) Indiana Electrical Code - National Fire Protection Association (NFPA) National Electrical Code (NEC) Indiana Fire Prevention Code - Uniform Fire Code (UFC) IOSHA Indiana Energy Conservation Rules and Regulations Indiana Plumbing Code - Building Officials Code Administrators (BOCA) Structural Engineering Codes ACI - American Concrete Institute, AISC - American Institute Steel Construction ATI-American Timber Institute National Pollution Discharge Elimination System (NPDES) Campground Standard Swimming Pool Code Safe Drinking Water Act Americans with Disability Act (ADA) Approvals: Fire and Building Services DNR Division of Historic Preservation (includes archaeological clearance) Department of Health Department of Environmental Management Soil and Water Conservation District DNR Division of Water Upcoming Events More Events Top FAQs Indiana Department of Natural Resources Online Services Buy gifts from state parks Reserve a campsite Buy a state park pass Reserve a room at a state park inn Buy a hunting or fishing license CheckIN game online >> More DNR online services >> More IN.gov Online Services >> IN.gov Subscriber Center I Want To Call DNR customer service Get help with a nuisance animal Get help for an orphaned/injured animal Read the hunting & trapping guide Report a poacher Report an invasive species Everyone Welcome Plan Your Visit to a DNR Property Accessibility in the Outdoors Social Media Email Calendar Copyright © 2026 State of Indiana - All rights reserved.