When is a Design Professional required for my project?
The Indiana Administrative Code; 675 IAC 12-6-9, Design professionals states "Design professionals are required for the construction of Class 1 structures where a design release is required, except any of the following:
- Class 1 structures with 30,000 or fewer cubic feet of space.
- Additions to Class 1 structures if the addition adds 30,000 or fewer cubic feet of space.
- Alteration to a Class 1 structure if the alteration does not involve changes affecting the structural safety of the Class 1 structure.
- Installation or alteration of an automatic fire sprinkler system in a Class 1 structure designed by persons as described in subsection (b).Indiana Administrative Code - 675 IAC 12-6-9 (PDF)

Show All Answers

1. When is a Design Professional required for my project?
2. When is a State Construction Design Release (CDR) required?
3. What is a Class I structure?
4. Where do I go to apply for a Building Permit?
5. How long does a typical plan review take?
6. If I am remodeling an apartment building with 3 or more units, is the building classified as Residential?
7. What is Fire-Resistance-Rated Construction?
8. Is a fire wall the same as a fire barrier?
9. What is the difference between fire stopping and fire blocking?
10. What is meant by "a change of use or occupancy" and when does it apply?
11. When is a Knox Box (key box) required?
12. Where can I purchase a Knox Box?
13. When is a Design Professional required for my project?
14. When is a State Construction Design Release (CDR) required?