Article Content

Print

Before proceeding with manufacturing or making modification to the boilers, the Manufacturer shall fill up the type inspection application form (Annex 31) and submit the same along with the documents listed shown below to the local inspecting organization:
1. Type, detailed drawings of structure and strength calculation for the boiler applying for inspection.
2. Type, capacity and quantity of manufacturing and inspection equipment.
3. Brief description of educational background and working experience of the chief designer.
4. Brief description of educational background and working experience of the construction director.
5. Qualification certificates of the Constructor and number of the construction workers.
6. Qualification certificates of the welders, specifications of welding procedures, and records of inspection qualification for welding procedures for those manufacturing or modification work to be made by welding method.
Any alteration of the equipment stipulated inabove Item 2 or change of personnel stipulated in preceding Paragraphs 3 and 4 shall be reported to the local inspecting organization.
The inspecting organization shall issue the Qualification Certificate of Type Inspection for Manufacturing Equipment (Annex 2) for the boilers qualified by the type inspection as stipulated in Paragraph 1.
The manufacture or modification task shall be prohibited from implementation without passing the inspection. However, this restriction shall not apply to the case where the types and conditions have previously passed the type inspection.

Manufacturers of boilers shall be responsible for implementing the quality control and quality assurance measures, and shall ensure that the involved equipment and personnel meet the requirements as shown below:
1. Manufacturing and inspection equipment
(1) Those manufactured or modified by using the riveting method shall have: bending machines, air compressors, punching machines, riveting hammers, caulkers and hydraulic pressure testing equipment.
(2) Those manufactured or modified by using the welding method shall have:
A. Manufactured or modified totally by using the welding method : Plate bending machines, welding machines, punches, annealing furnace, universal testing machines, hydraulic pressure testing equipment and radiation inspection equipment.
B. Manufactured or modified Partially by welding method: Plate bending machines, welding machines, punches, universal testing machines, hydraulic pressure testing equipment and radiation inspection equipment.
C. Manufacture of throughflow boilers with steam separators with the inside diameter over 300mm: Plate bending machines, pipe benders, welding machines, punching machines, annealing furnaces, universal testing machines, hydraulic pressure testing equipment.
D. Manufacture of throughflow boilers with steam separators with the inside diameter less than 300mm: Pipe benders, sealing machines, hydraulic pressure testing equipment.
E. Manufacture of throughflow boilers without steam separators: Pipe benders, sealing machines, hydraulic pressure testing equipment.
F. Manufacture of steel tubes for boiler body with the max. diameter: Plate bending machines, sealing machines, punches, annealing furnaces, universal testing machines, hydraulic pressure testing equipment and radiation inspection equipment.
G. Circumferential jointing of boilers with inside diameter of the shell body less than 300mm, or welding only implemented for the tube sheets and flanges but other parts: Welding machines, hydraulic pressure testing equipment.
H. Manufacture of wavy boiler barrels or expansion joints: Plate bending machines, punches or forming machines, welding machines, hydraulic pressure testing equipment and radiation inspection equipment. While radiation inspection equipment may be exempted for implementation of vertical welding of the wavy boiler barrels.
(3) Those manufactured or modified by using the casting method shall have: casting equipment and hydraulic pressure testing equipment.
2. The chief designer shall meet one of the qualifications as follows:
(1) Registered professional engineer relating to mechanical engineering discipline.
(2) College graduate majored in mechanical engineering related disciplines together with over five ( 5 ) years of experience in design, manufacture or inspection of the machinery subject to the type inspections.
(3) Vocational high school graduate majored in mechanics related disciplines together with over eight ( 8 ) years of experience in design, manufacture or inspection of machinery subject to type inspections.
(4) Senior technician with over twelve (12) years of experience in design, manufacture or inspection of machinery subject to type inspections.
3. Construction director shallmeet one of the qualifications as shown below:
(1) College graduate majored in mechanical engineering related disciplines together with over two ( 2 ) years of experience in design, manufacture or inspection of machinery subject to type inspections.
(2) Vocational high school graduate majored in mechanics related disciplines together with over five ( 5 ) years of experience in design, manufacture or inspection of machinery subject to type inspections.
(3) Senior technician with over eight ( 8 ) years of experience in design, manufacture or inspection of machinery subject to type inspections.
4. Construction technicians shall meet the qualifications as shown below:
(1) Those involving the manufacture or modification works to be done by using the riveting method shall have over three ( 3 ) years of working experience relating to riveting affairs.
(2) Those involving the manufacture or modification works to be done by using welding method shall maintain qualificationcertificates for the related welding procidures.
(3) Those involving the manufacture or modification works to be done by using thecasting method shall have over three (3) years of working experience relating to casting affairs.
The requirement for installation of punching machines as stipulated in Item 1 of the preceding Paragraph shall only apply to the case where the boilers have their maximum operating pressure exceeding seven ( 7) kg/c㎡. The installation of annealing furnaces shall be limited to the case where the annealing process is required to be implemented in accordance with the related regulations.
If the punching machines ( as mentioned in Sub-items 1, 2-1 through 2-3, 2-6 and 2-8 of Item 1 under preceding Paragraph 1), annealing furnaces (as mentioned in Sub-items 2-1, 2-3 and 2-6 of Item 1 under preceding Paragraph 1), the universal testing machines ( as mentioned in 2-1 through 2-3, 2-6 and 2-8 of Item 1 under preceding Paragraph 1), and radiation inspection equipment ( as mentioned in 2-1 through 2-3, 2-6 and 2-8 of Item 1 under preceding Paragraph 1), can be ready for use at any time, or they are co-owned with other organizations , the inspection organization may deem that the Manufacturer is in possession of the said equipment.
The Manufacturer in charge of the casting activities as mentioned in Sub-item 3 of Item 1 under preceding Paragraph 1 shall establish a dedicated inspection unit for inspection of the casting parts.
If the Manufacturer has mandated a qualified person to serve as the chief designer as mentioned in Item 2 of the preceding Paragraph 1 , the inspecting organization may deem that the said person has been stationed.

Manufacturers of boilers manufactured by sealing shall apply for sealing inspection at local inspecting organization before the construction. However, this limitation shall not apply to those meeting any of the items shown below:
1. Auxiliary equipment or those only sealing stress parts without stress under compression.
2. Throughflow boilers. However, this shall not apply to boilers with steam separators with inside diameter over 300mm.
3. Those only sealing the parts shown below:
(1) Circumferential joints of main steam pipes, water supply pipes or header with inside diameter less than 300mm.
(2) Reinforcement materials, pipes, pipe table, flanges and valve bases etc. sealed on the body or the end plates.
(3) Sealing around the charging holes of barrel type boilers or vertical boilers etc.
(4) Sealing supporting racks or other objects withstanding no pressure on the body or the end plates.
(5) Leakproof sealing.
(6) For boiler drums with inside diameter less than 300mm, only sealing the drum body with the coronal plate or the joint of the drum body and the boiler body.
The sealing inspection items shall include material inspection, surface inspection, mechanical performance test for sealed parts, radiation inspection, heat treatment inspection and other necessary inspections.

When applying for sealing inspection of boilers, the Manufacturer shall fill the Application for Sealing Inspection of Boilers (Annex 32) and submit the documents shown below:
1. Material certificate 1 copy
2. 2 copies of specification of sealing (Annex 32) and 1 copy of construction locations classification map.
3. 2 copies of detailed structure drawing and strength calculation sheet.
4. Sealing technician certificate of sealing constructors.
5. Qualification certificate for the type inspection of manufacturing facilities, sealing procedure and sealing procedure qualification examination records.

When carrying out the sealing inspection on boilers, the inspecting organization shall first examine the documents submitted by the Manufacturer, and the site inspection shall then be carried out after the documents are qualified.
When carrying out the site inspection, personnel designated by the Manufacture or the Manufacturer shall be on the scene and prepare the items shown below before the inspection：
1. Test pieces for mechanical performances.
2. Radiation inspection.

The inspecting organization shall stamp the qualification mark (annex 34) on the specification of Boilers for the boilers qualified in the completion test, after being signed by the Inspector, 1 copy of the specification shall then be delivered to the applicant, and the qualification mark shall be printed, painted or posted at distinct part of the object inspected for identification.

Upon completion of the boiler body, the Manufacturer shall apply for structure inspection at local inspecting organization.
However, for water tube boilers, combined cast iron boilers and other separate composite boilers, the structure inspection shall be applied for at local inspecting organization before the installation.

To apply for structure inspection of the boilers, the Manufacturer shall fill up and submit an Application Form(Annex 35) for Structure Inspection of boilers together with the following documents:
1.Two (2) copies of the specification(Annex 36) of the boiler.
2.Two (2) copies each of the detailed structure drawings and the strength calculation sheets.
3.One (1) copy of the welding list with a stamp indicating the qualification status of the inspection of those manufactured by using welding method shall be attached.
4.One (1) copy of the certificate indicating qualification status of the type inspection of those manufactured by using riveting method shall be attached.
In case both the welding inspection and the structure inspection are carried out by the same Inspecting Organization, the documental requirements stated in above Items 2 and 3 may be exempted.
The coverage of the structure inspection mentioned in the preceding Paragraph 1 shall include inspection of construction methods, material thickness, structure, dimensions, heat transfer area, maximum operating pressure, strength calculation review, and arrangement of the manhole, cleaning hole, the safety devices, as well as pressure test, and materials used for shell body, end plate, pipe sheet, smoke tube, fire chamber and fire tube and etc., and other inspections as required.

When the inspecting organization carries out structure inspection on boilers, the Manufacture or personnel designated by the Manufacture shall be on the scene and prepare the items shown below.
1. Place the objects of inspection at locations convenient for inspection.
2. Prepare for pressure tests like hydraulic pressure test etc.

The inspecting organization shall stamp the qualification mark (annex 34) on the Detailed List of Boilers for the boilers qualified in the completion test qualified, after being signed by the Inspector, 1 copy of the list shall then be delivered to the applicant, and the qualification mark shall be printed, painted or posted at distinct part of the object inspected for identification.

Upon completion of the installation of the boiler, the employer shall apply for completion inspection at the inspecting organization; those not receiving the completion inspection shall not be used.
When the inspecting organization carries out structure inspection on boilers, the Manufacture or personnel designated by the Manufacture shall be on the scene

When applying for completion inspection of boilers, the Manufacturer shall fill the Application for Completion Inspection of Boilers (Annex 37) and submit the documents shown below:
1. Specification of the boiler with seal of qualification mark for the structure inspection or reinspection.
2. Map for the installation site of the boiler and peripheral situations.
The Completion inspection of boilers shall include inspections on the quantity and capacity of safety valves, blowoff test, quantity and locations of level gauges, capacity and quantity of the water supply and drainage devices, safety equipment of the water treatment devices and the boilers, equipment, foundation, entrance, exit and safety devices of the boiler room, quantity and dimensions of the pressure gauge and other necessary inspections.
The inspecting organization shall issue the Report for Results of Completion inspection of boilers (Annex 38) and the Qualification Certificate (Annex 39) to boilers qualified in the completion inspection, the max period of validity for the aforesaid documents shall be 1 year.
The employer shall hang the aforesaid Qualification Certificate or its photocopy in the boiler toom or obvious locations in the workplace.

The employer shall fill the Application for Periodic Inspection of Boilers (Annex 40) 1 month before the expiry of the qualification certificate for the inspection of boilers and apply for periodic inspection at the inspecting organization.

After qualifying the completion inspection on boilers and during the period of the first periodic inspection, the employer shall carry out internal of external inspections. After the aforesaid periodic inspection, the external inspection shall be carried out more that once a year; and the internal inspection shall be in accordance with the stipulations shown below:
1. Boilers attached to chemical equipment connected with pipes for continuous production procedure or boilers for generation and their auxiliary boilers shall be inspected more that once every 2 years.
2. Boilers other than what stipulated in the previous subparagraph shall be inspected more that once a year.
For boilers for generation with generating capacity over 20,000kw, the external inspection as mentioned in the previous paragraph shall be extended and carried out along with the internal inspection. But its period cannot exceed 2 years.

After accepting the application for internal inspection, the inspecting organization shall notify the employer of the date for the completion inspection for boilers so that they can resume the inside of the boilers to the normal temperature and pressure, discharge the contents and carry out ventilation, air change, cleaning for the boilers and prepare for other necessary proceedings for the periodic inspection.
The internal inspection mentioned in the previous paragraph shall include surface inspection of the boilers and nondestructive inspectors for thickness, cracks, distortion and defilement of the boilers, and determine the pressure test and other necessary inspections to be carried out according to the results of the aforesaid inspections.

The items of external inspection include visual examination, detection of the corrosion, cracks, distortion, defilement and leakage on the surface, if necessary, the non-destructive detection, ultrasonic thickness measurement as fixed points in corrodible areas, accessories and auxiliary devices inspection shall also be carried out. Whenever necessary, proper instruments shall be adopted to detect the inside of the boiler, if something abnormal is found, the internal inspection shall then be carried out.
The ultrasonic thickness measurement stipulated in the previous paragraph may be exempted if there're problems like high temperature etc. that leads to difficulty in the measurement
When carrying out the external inspection on boilers, the inspecting organization he shall notify the employer of the date of inspection. During the inspection, the Manufacture or personnel designated by the Manufacture shall be on the scene.

The inspecting organization shall sign on the original qualification certificate of boilers qualified in the periodic inspection and indicate the period of service (1 years at the most), but for paragraph 3 of Article 84, the period may be 2 years.
The Inspector shall fill the Report for the Result of Periodic Inspection for Boilers (Annex 41) after the completion of the periodic inspection and notify the employer of the results.

If the boiler is deemed unqualified in the periodic inspection, the inspector shall record the disqualification in the record of the qualification certificate of the inspection and notify of the improvement; if the situation is serious and has the possibility of resulting in danger, if shall be reported to the inspection organization for limitation of its max pressure or prohibition of use.

In case any of the following situations exists, the Owner/Employer of the boiler shall submit the Inspecting Organization a re-inspection application for qualifying the said boilers:
1. The boiler to be used, is imported from foreign countries.
2. The boiler to be installed or re-used, has been idle for over one(I) year since the last qualification date of its structure inspection, re-inspection, completion Inspection or periodic inspection of the said boiler.
3. The boiler to be re-used, has previously been banned by the Inspection Organization.
4. The fixed type boiler to be re-installed, is relocated at a place different from its original location.
5. The maximum operation pressure is to be up-rated.
6. The heat transfer area is to be changed.
For those imported pressure vessels which are documented by the proper corresponding inspection certificates, the Inspecting Organization may grant exemption from all or part of the inspection requirements as stipulated in this Article.

When applying for the reinspection of boilers, the owner or the employer shall fill the Application for reinspection of boilers (Annex 42) and submit the documents listed below:
1. 2 copies of specification of the boiler.
2. Detailed drawing of structure and calculation sheet, each 2 copies. However, those deemed unnecessary by the inspecting organization may be ignored.
3. Aforesaid certificates for qualification of inspections or their photocopies.
Stipulations of Paragraph 3 of Article 78 and Article 79 shall apply to the reinspection.

Once the boiler has been qualified through the re-inspection process, the specification of the said boiler shall be stamped with a qualification mark and signed by the inspector of the Inspection Organization.One(1) copy of the above-mentioned specification shall then be delivered to the applicant to serve as an evidence of the qualification status of the re-inspection, for use to proceed with the Completion Inspection. However, for those boilers which have been either idle for over one(1) year after being qualified by the completion/periodic inspection, or prohibited from operation as respectively stipulated in Items 2 and 3 under Paragraph 1 of Article 89, if the said boilers which either remain at their original locations or are relocated at other places in the factory, are qualified by the inspection, the Inspection Organization may add the date and result of the inspection as well as the operation expiration duration with one(1) year as a maximum, on the original qualification certificate.
For those imported boilers, the qualification mark shall be stamped on the distinct portion of the same after being inspected for identification purpose.

If any of the items shown below of the boiler needs to be altered, the owner of the employer shall apply for the alteration inspection at the inspection organization:
1. Body, header, fire tube, firebox, end plate, pipe sheet, tamina tectalis or reinforcement support of boiler.
2. Overheater or economizer.
3. Combustion train
4. Installation base.
The inspecting organization shall record the date of inspection, altered parts and results of the inspection on the original qualification certificate of the boiler for the boilers qualified in the completion test
If over 1/3 of the body or header of the boiler is to be altered or the fire tube, firebox, end plate and pipe sheet are to be entirely altered, the alteration shall be carried out according to stipulations of Article 71.

When applying for the alteration inspection of boilers, the Manufacturer shall fill the Application for Alteration Inspection of boilers (Annex 43) and submit it the documents as shown below.
1. Qualification certificate of the type inspection of the manufacturing equipment.
2. 2 copies of specification of the boiler
3. Drawings of the altered parts.
4. Detailed structure drawing and strength calculation sheet, each 2 copies. However, this may be ignored if the inspecting organization deems it unnecessary.
5. Aforesaid certificates for qualification of inspections or their photocopies.
Stipulations of Paragraph 3 of Article 73 and Article 79 shall apply to the alteration inspection.

When carrying out the structure inspection, completion inspection, periodic inspection, reinspection or alteration inspection, the inspecting organization, if considering necessary, shall notify the owner of the boilers and the employer or his/her agent of the measures shown below:
1. Remove all or part of the covering on the inspected object.
2. Pull out the rivet or pipe.
3. Drill holes on the plate or pipes.
4. Disassemble the cast iron boilers.
5. Other necessary proceedings.
For subparagraph 3 of the previous paragraph, the applicant shall apply for non-destructive inspection and submit supporting documents.