400,000 sq ft, 800-room, 23-story tower; 40,000 sq ft ballroom; 400,000 sq ft exhibit space, meeting rooms, lobby, registration, kitchen, restaurant, retail and back of house support. Design-build electrical engineering included site electrical systems; site examination and record drawings; design of electrical, telephone, and CATV services from building to point of connection; and design of telecommunications, lighting, power and voice/data systems.