9.8　Oxygen Lance

9.8.1　In case of installation of oxygen lance，its longitudinal and horizontal center lines shall be adjusted，and the measurement by plumb wire should be carried out，with the allowable deviation of 2.0mm；its elevation shall be adjusted，and the measurement by optical instrument should be carried out，with the allowable deviation of±1.0mm；its levelness shall be adjusted，and the measurement by leveler should be carried out，with the allowable deviation of 0.10/1000.

9.8.2　The connection of the oxygen lance and the medium pipes shall meet the requirement of Article 6.1.5 of the code.