13. Immovable property technicians, architecture and planning technicians, project management technicians, the central coordinating technician and security technicians are authorized to sign(1) proposals to clients, construction contracts and contracts for services other than professional services where the amount is less than $25,000;
(2) supply contracts where the amount is less than $10,000;
(3) deeds of receipt of a work concerning a contract where the amount is less than $25,000; and
(4) customer program changes, orders for changes and riders to construction contracts and contracts for services other than professional services where the amount is less than $2,500 and to supply contracts where the amount is less than $1,000.