Complex sentence: One particular problem the company faced was designing the vertical loop to wrap around the lift hill (as B&M would do for Kumba) Also the layout proposed by Arrow was much too large and therefore they tried to incorporate everything into it in a smaller layout design.
Split into simpler sentences: One particular problem the company faced was designing the vertical loop to wrap around the lift hill (as B&M would do for Kumba). Also, the layout proposed by Arrow was much too large and therefore they tried to incorporate everything into it in a smaller layout design.