42 Providing temporary use of a non-downloadable web application for pre-construction activities consisting of plan measurements and quantity takeoff, requests for quote, construction cost estimate compilation, and sharing of estimate, takeoff, and project documents in the field of building construction; Providing temporary use of non-downloadable cloud-based software for pre-construction activities consisting of plan measurements and quantity takeoff, requests for quote, construction cost estimate compilation, and sharing of estimate, takeoff, and project documents in the field of building construction; Software as a service (SAAS) services featuring software for pre-construction activities consisting of plan measurements and quantity takeoff, requests for quote, construction cost estimate compilation, and sharing of estimate, takeoff, and project documents in the field of building construction