I can make the page using a CMS (Wordpress is preferred for a CMS) or using some framework.
I can build the site using a PHP framework or Ruby on Rails.
If you need, i can write a user manual.
After the full site delivered, you will be one month to make any fix.
After the full site delivered, new features will be inplemented as a new project.
If I code all site:
I guarantee a readable code, so any programmer will can build new features.