Question on Tax book with different fiscal year and calendar than associated Corp book

We have a 4-4-5 calendar with 52 weeks in a year. Once in 5 or 6 years, we have one extra week to account to, so that year would have 53 weeks wherein the last period will be a 6 week period. We have a requirement to run depreciation projections for a book based on 52 weeks for that 53 week year. So, I am planning on creating a new Tax book which uses a new Fiscal Year and Calendar with 52 weeks for that year. Then, I am planning to do a initial mass copy from the associated Corp