| 5/8" | 1 - 20 | Small offices, retail stores, small cafes | 10 | 20 |
| 3/4" | 2 - 30 | Medium-sized offices, restaurants, small medical offices | 15 | 30 |
| 1" | 3 - 50 | Larger restaurants, office buildings, medical/dental clinics | 25 | 50 |
| 1½" | 5 - 100 | Schools, small hotels, apartment buildings | 50 | 100 |
| 2" | 8 - 160 | Medium hotels, multi-family complexes, supermarkets | 80 | 160 |
| 3" | 15 - 350 | Large hotels, hospitals, large commercial buildings | 175 | 350 |
| 4" | 25 - 600 | Industrial facilities, large campuses, malls | 300 | 600 |
| 6" | 50 - 1200 | Major industrial facilities, manufacturing plants | 600 | 1200 |
| 8" | 80 - 1600 | Heavy industrial use, large manufacturing sites | 900 | 1600 |