The elevator is part of vertical transportation systems, transportation of passengers and cargo every day. According to the National Building Code: Building lifting equipment management Article 15: lifting equipment manager should be entrusted to a specialist firm responsible for maintenance, maintaining normal performance. Article 17 of the professional firms engaged in lift maintenance, professional and technical personnel should be assigned to whom.
Article 19: For the normal maintenance of lifting equipment shall be in accordance with professional and technical personnel operating procedures for the implementation of the general maintenance of the monthly table and made a duplicate record, and should be filling their signature and license number, and by the administrator armed with a specialist to prepare the competent authorities or inspection agencies traced.