The commission may:

(1) Delegate any of the commission’s powers under sections 227.600 to 227.669 to the department to carry out the purposes of sections 227.600 to 227.669;

(2) Promulgate rules to implement the provisions of sections 227.600 to 227.669. Any rule or portion of a rule, as that term is defined in section 536.010, that is created under the authority delegated in this section shall become effective only if it complies with and is subject to all of the provisions of chapter 536 and, if applicable, section 536.028. This section and chapter 536 are nonseverable and if any of the powers vested with the general assembly pursuant to chapter 536 to review, to delay the effective date, or to disapprove and annul a rule are subsequently held unconstitutional, then the grant of rulemaking authority and any rule proposed or adopted after August 28, 2006, shall be invalid and void; and

(3) Make all final decisions concerning the performance and the acceptance of the project work, including claims for additional time and compensation.