X, C & U Exclusions
Explosion ("X") Hazard: Includes property damage rising out of blasting or explosion.
Collapse ("C") Hazard: Includes structural property damage and property damage to any other property rising out of the following:
- Grading of land, excavating, burrowing, filling or backfilling, tunneling, pile driving, or coffer dam or caisson work.
- Moving, shoring, underpinning, razing, or demolition of any building or structure.
Underground ("U") Damage: Includes damage to wires, conduits, pipes, mains, sewers, tanks, tunnels, or any similar property beneath the surface of the ground or water caused by and occurring during the use of mechanical equipment for the purpose of grading land, paving, excavating, drilling, burrowing, filling, backfilling, or pile driving.