what I would d0
I would get a hold of the curricular plans. If you are not yet familiar with reading and writing workshop it will be difficult to really picture how it all works, but I think it is your best best. They will give you an idea of how the year flows. The plans are available as a digital download for $10 each from Heinemann (the publisher). Also, for reading workshop, try reading Growing Readers by Kathy Collins. She works with Lucy Calkins. Her book is written for first grade, but will give you some good background on reading workshop. If there is anyway that you can get a hold of the Units of Study for Primary Writing, that will really give you what you need for writing workshop, but they are expensive. It seems like your school must have them if they are only following this model.
Check out Columbia University's Teacher's College Reading and Writing Project's website. That is Lucy's group. The best thing would have been if you could have gone to their week long workshops in New York City during the summer. They are where you really learn how to do it right.
Also, there are two boards here at proteacher that you could check out. The Rose room is dedicated to units of study--writing. The sunflower room is Debbie Miller, but you can find a lot of great reading workshop information there, you just have to be willing to dig a little and there won't be much that is dedicated to kindergarten.
It may seem overwhelming, but I'm jealous. I'm not sure what your philosophy or experience level is, but I would give almost anything to get my whole school to use reading and writing workshop the Lucy Calkins way.