Abstract: A safety system for a coking facility where there is a coke drum and a drill assembly. When the coke accumulates in the drum, a drill head of the drill assembly is lowered into the coke drum to emit high pressure water jets to remove the coke from the coke drum. There is a enclosing structure with an access door which is fixedly mounted at a location above an upper opening of the coke drum, so that when the drill head is moved out of the coke drum and there is an accidental jet water discharge, it will be redirected at a location within the enclosing structure. Interlock systems are provided.

Abstract: A safety system for a coking facility where there is a coke drum and a drill assembly. When the coke accumulates in the drum, a drill head of the drill assembly is lowered into the coke drum to emit high pressure water jets to remove the coke from the coke drum. There is a enclosing structure with an access door which is fixedly mounted at a location above an upper opening of the coke drum, so that when the drill head is moved out of the coke drum and there is an accidental jet water discharge, it will be redirected at a location within the enclosing structure. Interlock systems are provided.

Abstract: An automated low clearance skirt assembly lifting device adapted for raising and lowering a circular or multifaceted skirt to match the opening of pressure vessels such as coking drums and a method for uniform remote operation of the assembly. The low clearance skirt lifting assembly includes a reinforcement of the upper skirt attached to one or more lifting cylinders mounted within a telescoping enclosure, so that the skirt assembly may be uniformly extended and retraced without binding or side load transfer to the hydraulically or pneumatically actuated device. Following the unheading of the flange on the coke drum, the skirt is remotely extended to align with the flange hereby bridging the gap between the chute and the drum prior to commencement of the drilling cycle and lowered once all the coke has been extracted from the drum.