Flickering dynamic shadows on translucent surfaces

here is a zipped sample project to see the issue in action:

https://drive.google.com/file/d/0B9W7vCaEj45dWlFvaTZnbTZ1OEE/view?usp=sharing

here is a video of how this project looks on my end:

Let me know if you need anything else!

Cheers