Special effects are probably the most important aspect of filmmaking that needs to be storyboarded. Effects can be extremely complicated, mixing many different elements into the same scene or shot, and they can be quite pricey to produce. For these reasons, storyboards are needed to plan out every portion of every effects shot so that there are fewer problems and fewer expensive reshoots.
Effects companies need storyboards before they can accurately budget and schedule a production. A script alone does not specify what is needed. While many production teams bid out effects without production boards, the bids will probably be like comparing apples and oranges. The bids will also be high, since the effects houses have ...