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IDHS > About IDHS > Fire & Building Safety / Services > Building Safety & Services > Building Plan Review > Building Plan Review > Building Building - Class 1 Structures

A Class 1 Structure is any structure that is used or occupied by:

  • the public
  • employees
  • three (3) or more tenants
  • site improvement that affects persons with disabilities
  • storage facilities, tanks and dispensing equipment for flammable and combustible liquids or gases.

Do I need to file my building plans with the state of Indiana? - Click Here

For an Existing Project

To check on the status of an existing project - Click Here

To file an Addendum to an existing project - Addendum Application
To file a Partial, use the Application for Construction Design Release

For a New Project

I Want To...

  • File a project Electronically - Click Here - NOTE - This is the PREFERRED Filing Method

What are the drawings required for a Class 1 Structure submittal?

  • Site plan showing dimensioned location of building to all property lines and to all existing buildings on the property, as well as width of any streets, access roadways or easements bordering the property.
  • Foundation and basement plans and details.
  • Dimensioned floor plans for all floors.
  • Fire and life safety plan showing graphically or by legend the location and rating of building elements such as area separation walls, smoke barriers, fire-resistive corridor walls, stair enclosures, shaft enclosures and horizontal exists.
  • Wall elevations of all exterior walls including adjacent ground elevation.
  • Sections and details of walls, floors and roof, showing dimensions, materials.
  • Structural plans and elevations showing size and location of all members, truss designs showing all connection details, and stress calculations.
  • Room finish schedule showing finishes for walls, ceilings and floors in all rooms, stairways, hallways and corridors.
  • Door schedule showing material, size, thickness and fire-resistive rating for all doors.
  • Electrical plans, diagrams, details and grounding of service entrance and power or lighting information required for energy conservation.
  • Plumbing plans showing location of fixtures, risers, drains, and piping isometrics.
  • Mechanical plans showing location and size of ductwork, equipment, fire dampers, smoke dampers and equipment schedules showing capacity.
  • Fire protection plans showing type of system, location of sprinkler heads, standpipes, hose connections, fire pumps, riser and hanger details.
  • Energy Code Information - ComCheck or Equivalent

Would you like to secure an Early Foundation Release?

  • Request foundation at the time of submittal of project.
  • Pay $80 fee in addition to all other fees due.
  • Foundation released within 48 hours of receipt.

What is the cost of filing?

Would you like to Expedite your project?

  • Note: The fee to expedite is $5,000.00 in addition to the required standard fees.
  • File your project on-line and after a successful submission send an e-mail to Dave Moses at and request that your project be expedited. The e-mail should include the project number assigned to your filing.
  • Paper filing – mailed in or walk in - you should contact the plan review branch prior to submitting and request an expedited plan review. You will need provide us the project scope of work or work description to help us determine if the proposed work can be expedited.

File a Hard Copy of Application


For general questions call 317-232-6422