14. Development directors and the expertise and project management support director are authorized to sign(1) construction contracts and contracts for services other than professional services where the amount is less than $500,000;
(2) deeds of receipt of a work concerning a contract where the amount is less than $500,000;
(3) supply contracts where the amount is less than $100,000;
(4) contracts for professional services where the amount is less than $100,000; and
(5) orders for changes and riders to construction contracts and contracts for services other than professional services where the amount is less than $50,000, and to contracts for professional services and supply contracts where the amount is less than $10,000.