NOTE: THE MINIMUM SEPARATION DISTANCE FROM SPECTATORS AND INHABITED BUILDINGS SHALL NOT BE LESS THAN 300 FEET.
Mortar size in inches | Minimum distance from spectators and inhabited buildings | Other buildings, public highways, railroads | Inhabited school, hospital, church, theater, penal institution or similar institution or bulk storage facilities of explosives, flammable or toxic materials |
0" to 4" | 300 feet | 200 feet | 500 feet |
5" | 350 feet | 200 feet | 500 feet |
6" | 420 feet | 250 feet | 600 feet |
7" | 490 feet | 300 feet | 700 feet |
8" | 560 feet | 300 feet | 800 feet |
9" | 630 feet | 400 feet | 900 feet |
10" | 700 feet | 400 feet | 1000 feet |
11" | 770 feet | 400 feet | 1100 feet |
12" | 840 feet | 400 feet | 1200 feet |
Over 12" | 70 feet per mortar bore inch | 100 feet per mortar bore inch |
All fireworks that fire a projectile shall be set in such a manner that the projectile is launched as nearly vertical as possible, provided that where such fireworks are to be fired beside a lake or other large body of water, they may be directed in such a manner that falling residue will fall into the water.
3-inch mortars | SDR | 15.5 | .226 inch |
4-inch mortars | SDR | 21.0 | .214 inch |
5-inch mortars | SDR | 21.0 | .265 inch |
6-inch mortars | SDR | 21.0 | .315 inch |
8-inch mortars | SDR | 26.0 | .332 inch |
10-inch mortars | SDR | 32.5 | .331 inch |
12-inch mortars | SDR | 32.5 | .392 inch |
At locations where it would be impractical to bury mortars in suitable clean earth or where there is agreement among the local fire marshal, the senior fire officer at the scene, the operator, and the State Fire Marshal, if present at the site, that the interests of public safety are met, mortars may be set for firing in approved sand-filled containers. Heavy steel drums, plastic drums or troughs constructed in accordance with the following requirements, shall be used for setting mortars:
Conn. Agencies Regs. § 29-357-12b