Fixed grandstand seating is a core component of stadiums, auditoriums, theaters, and other similar venues. Its installation quality directly impacts the spectator experience, safety, and overall lifespan of the venue. Unlike temporary seating, fixed grandstand seating needs to support large numbers of spectators long-term. Therefore, the installation process must adhere to strict standards. From initial preparation and foundation construction to final adjustments, every step requires precise control to ensure the seating is securely installed, level, and safe, meeting relevant national standards and the venue's operational requirements.
Preparatory work before installation is fundamental to ensuring proper installation standards. This requires thorough preliminary surveying, material inspection, and personnel preparation. First, the construction team must conduct a comprehensive survey of the grandstand foundation, confirming that the ground is flat, solid, and free from cracks, looseness, or other issues. The foundation's load-bearing capacity must meet the seating installation requirements to prevent settlement or loosening during later use. Second, inspect the seats and related installation materials, including the seat body, fixing bolts, connectors, and anti-corrosion accessories, ensuring that the specifications and models of the materials match the design requirements and that there are no defects such as damage, deformation, or rust. Bolts, connectors, and other fasteners must meet high-strength standards to avoid affecting installation stability due to material quality issues. Simultaneously, assign professional construction personnel with clear division of labor, ensuring that everyone is familiar with the installation process and standards.
Foundation fixing and positioning are the core steps in the installation of fixed grandstand seating, and must strictly adhere to the principles of accurate positioning and secure fixing. First, according to the venue design drawings, the seat installation positions are precisely marked on the grandstand floor, ensuring that seat spacing and row spacing meet specifications. Typically, seat spacing should be no less than 45cm and row spacing no less than 80cm to ensure spectator access and seating comfort. After positioning, foundation fixing is performed. For concrete grandstand foundations, expansion bolts or chemical anchors are used to fix the seat supports to the ground. The bolt insertion depth must meet requirements to ensure a secure and loose installation. For steel structure grandstands, the seat supports must be precisely connected to the steel structure using welding or bolting. Welded areas must be treated with anti-corrosion measures to prevent rust.
The installation of the seats requires meticulous attention to detail to ensure a level, secure, and stable installation. The seat body must be precisely aligned with the support frame and secured with the included bolts. The bolts must be tightened securely, ensuring no looseness or wobbling. Simultaneously, the seat level must be adjusted to ensure a flat surface without tilting or height differences, thus avoiding any impact on the seating experience. During installation, the joints must be inspected to ensure a tight, seamless, and secure fit, and that the seat edges are free of sharp burrs to prevent injury to spectators. For tiered seating, the height difference between each row of seats must be uniform, meeting design requirements and guaranteeing a good view for spectators in the rear rows.