Site development on Bitrix

Good afternoon! Requires the help of a person with extensive experience in the development of sites on the CMS "1C-Bitrix: Site Management" (license "Standard") to implement a large site. All functionality is described in the attached TOR. Pay attention to all the nuances and it is better to clarify once again, since the project is the most important. Also name the cost and terms that are comfortable for you, if you are 100% sure of them. There can be no drawdowns in terms of terms