TECHNICAL SPECIFICATIONS Owner: Municipality of CardiffArchitect: HOK+ LOBB PartnershipGen. Contractor: John Laing Construction LtdCapacity: 74,500 seatsDescription: structural framing for stands, fixed roof over stands and retractable roof over pitch; essentially composed of main primary trusses supporting secondary and tertiary trusses. All trusses were fabricated from hot & cold rolled tubular sections and shapes.