Create a requirement for one my website- SRS

Dear All, I need some one who can write SRS about a new requirement of a website. I need a person who has written technical requirement number of times for a website. Further after SRS is approved i need PPT presentation also. I need Data Flow Diagram then. Further i need an excel sheet which should tell me how many hours is needed for which phase and how many developers too. I need full planning of making a website from a scratch level to broad level. Please bid if you have very good experience in it.