Conduit
Gatehouse
Gatehouse equipment
Gate operating mechanism
Manhole or vault
Piping, any two or more continuous standard lengths, including appurtenances
Tunnel or gallery
Valve
Valve operating mechanism
Ill. Admin. Code tit. 83, § 605.308
Conduit
Gatehouse
Gatehouse equipment
Gate operating mechanism
Manhole or vault
Piping, any two or more continuous standard lengths, including appurtenances
Tunnel or gallery
Valve
Valve operating mechanism
Ill. Admin. Code tit. 83, § 605.308