Demountable bleacher which is environmental friendly,

power saving and easy to install.

The bleacher is mainly made up of understructure, decking, seats and rails.

1. The column adopts Φ48*3 welding pipe

and the height of the column can be adjusted

through wrenching screw jacks.

The beam adopts 140*80*4 flat bar joined by high tension torque bolts.

The tension bracing bar adoptsΦ48*3 welding pipe

and joined with the columns by M14 high tension torque bolts.

2. The deck adopts outdoor wooden deck./ Metal Steel Plate

• Spectator seats adopt Pour mould seat/Other choice

• The seat is made of PP/HDPE  with UV resistant and antioxidation.

3. The guardrail is made by welded 40*40*3.0mm

square tube and 20*5mm flat bar with surface hot galvanized.

The maximum left and right space between columns is 1930mm

and maximum front and rear space between columns is 3120mm.

• Deck width:780mm
  

• Riser Height:333mm
  

• Aisle Width:1100mm
  

• Dead loading:582N/㎡
  

• Live loading：5000N/㎡
  

Safety coefficient：1.4

1 Grade: All steel structure use Q235

2 Connection: Column useΦ48*3 tube,

The bottom use M35 bolt for height adjustment.

Main grider Use 140*80*4 flat beam,

Main grider and column use high density M20 bolt connect.

Longitudinal way of grider use M16 high density bolt.

Bracing useΦ48*3 tube, use M14 Bolt connect with Column.