Marcellas is saying that when you get called into the DR and it's Allison Grodner, you know it is serious. That no way would Chima jeopardize her career or risk being fined for abrogating her contract. When they call you in there, they lay it on the line. He's been there and he says Chelsia knows it too. In other words, Chima would not risk causing a disturbance during the live show. (Paraphrasing what he said.)
He says this advancement of the taping could be because Julie is in an advance state of pregnancy who knows.