19. Major project directors are only authorized to sign(1) construction contracts and contracts for services other than professional services where the amount is less than $250,000;
(2) supply contracts where the amount is less than $50,000;
(3) contracts for professional services where the amount is less than $50,000;
(4) deeds of receipt of a work concerning a contract where the amount is less than $250,000; and
(5) program changes, orders for changes and riders to construction contracts and contracts for services other than professional services where the amount is less than $25,000, to supply contracts and to contracts for professional services where the amount is less than $5,000.