10.2.4 In view of the proximity of the adjacent TVB Broadcast and Production Centre, a buffer zone of 100 m would be allowed between the edge of the stockpile and the boundary of the production centre. In this buffer zone, no dusty material will be stockpiled. In addition, the slope surface of the stockpile facing the production centre will be protected by spray concrete, grass, tarpaulins or special binding agent to prevent the dusty material from blowing away.