2.0.1 Welding personnel include welding technicians, welding quality supervisors , welding inspectors, welding operators and heat- treatment workers.

2.0.2 Any enterprise should appoint the chief of welding speciality and the full-time welding quality inspectors.

2.0.2.1 The chief of welding speciality shall have a great deal of welding knowledge and experience , take the charge of all welding technology and quality management and the qualification examination of welding personnel.

2.0.2.2 The enterprise and its chief section should organize the technical training to all welding personnel to raise their technical , theoretical and management level.

2.0.3  Basic requirements upon welding personnel and their work content

2.0.3.1  Welding technicians

(1) The technicians, who takes the technical management of welding work for the first time , shall have been trained in a systematically way and have gained , at least , one-year vocational experience, and shall passed examination and obtained the qualification certificate.

(2) Keeping informed on general status of project; observing this specification strictly; working out organization design of welding construction and drawing up technical measures with reality conditions and training program for welding operators, and participating the work of examination committee of welding operators;

(3) Based upon technical measures, explaining technical intention to relevant personnel and guiding technique and supervising ;

(4) Organizing the assessment of welding technology and preparing operational guideline for welding work;

(5) Participating the quality acceptance of important pipes and parts;

(6) Recording, checking and sorting out welding technical data and participating the preparation of technical summary and handing over technical documents on completion.

2.0.3.2  Supervisors of welding quality

(1) Supervisors of welding quality shall have gained the educational background of middle school or higher and required skills and experience, moreover, they shall pass the special examination and obtain the qualification certificate ;

(2) Be in charge of determining the items to be check , signing and issuing inspection files, supervision of welding quality , accepting and assessing welding projects;

(3) Participating the audit of technical measures , supervising the implementation of technical measures at the work site , stopping any violation of regulations in welding operation in time and reporting to relevant department;

(4) Accumulating and summarizing of quality controlment data & documents , cooperating with relevant personnel in handing over the data & documents on completion;

(5) Determining the welding seams to be examined, recording the results strictly and urging relevant department to do the work of quality inspection better;

(6) Checking the qualification certificates of welding operators , overseeing their skill status. For those whose welding results frequently fail to meet the requirements, supervisors have the authority to cease their welding work and suggest the welder examination committee to suspend their qualification certificates.

2.0.3.3  Welding inspectors

(1) The welding inspectors shall have undergone specialized technical training and succeeded in passing the examination and obtaining qualification certificates before being assigned for corresponding welding inspection work.

(2) Welding inspectors shall perform inspecting , checking and assessing the quality of welding seams in conformity with this specification and relevant standards;

(3) Welding inspectors shall inspect timely upon the localities determined by the welding quality supervisor and raise up accurate and correct conclusion;

(4) Welding inspectors shall fill , marshal and reserve all the data and documents of inspection.

(5) Welding inspectors shall refuse doing the NDT if the joint visual examination is not passed.

2.0.3.4 Welding operators

(1) Welding operators shall have been trained with welding knowledge and practical operating vocational skills and have been examined in accordance with SD263-88 (Regulations of welder examination);

(2) Those welding operators, who are assigned to carry out welding work of the following component, shall be qualified in passing the relevant technical examination;

a.  Bearing steel structures: boiler steel framework (main columns and main beams), hoisting equipment structures, and rooftrees of main machine hall;

b.  Boiler heating surface tubes ;

c. Pipes and vessels with working pressure above 0.1Mpa ;

d. Vessels for storing flammable and explosive medium (fluid or gas) and their transporting pipes;

e. Welding up non-bearing components on bearing structure under supervision.

f. Welding up the parts which will rotate at high speed

(3) Welders shall observe the professional ethics , carrying out welding operation strictly according to the given technology and measures, observing welding operational guidance given in this specification or by his/her employer.

(4) Welders shall carefully read the operational guidance before starting welding , and shall refuse any welding operation inconsistent with the guidance . Any major quality problem shall be reported timely to the relevant personnel, on occurring , and shall not be treated without authorization.

(5) The examination shall be taken again for the qualified welder having been interrupted welding operation of supervised parts for more than six months.

(6) The qualified welder shall not allowed to do the welding works exceed the extent of his qualified items.

2.0.3.5 Heat treatment worker

(1) Heat treatment workers shall have undergone specialized technical training and succeeded in passing the qualification examination;

(2) Heat treatment worker shall observe the relevant stipulations in this specification and welding technical measures regarding to heat treatment , execute the operations without mistake and make the data record accurately;

(3) On the completion of heat treatment, the worker shall proceed to self-inspection and have the heat treatment data and documents sorted well for accumulation.