1.You must have to prepare listing of the document that need to process. If possible also mention the number of pages too. Also give complete guidelines for the types of documents you need to proceed.
2.List out the types of documents and review the input documents regarding how many plain pages, images and maps to be scanned. Also review the handwritten documents.
3.You must have to make a mock review by scanning the documents so that you must know the size of the file.
4.I think average size of each black & white page is 30-50 Kbytes
5.Separate mark the pages with images and maps. Give file name to each maps and images.
6.Prepare a list of processed pages so that you can make an invoice accordingly.
7.Make a CD for database according to the customer guidelines.
It is essential to follow the guidelines of the document management system so that you are able to achieve the good results.