9.5.1 The technical requirements and quality of chemical cleaning of piping shall meet the requirements of current relevant national standards and design documents.
Examination amount: complete inspection.
Examination method: inspecting the chemical cleaning record.
9.5.2 The piping passing chemical cleaning shall be sealed or protected by nitrogen filling according to the requirements of design document before being put into service.
Examination amount: complete inspection.
Examination method: carrying out visual inspection and inspecting the system sealing record.
9.6 Oil Cleaning Dominant item
9.6.1 Oil cleaning shall be carried out for oil piping of lubrication, sealing and control system after the qualified pickling of mechanical equipment and piping and before the trial run of system. The technical requirements and acceptance criterion of oil cleaning shall meet the requirements of current relevant national standards, design documents or product technical document. If not specified in the design document or product technical document, the piping shall be examined by filter screen after oil cleaning and the acceptance criterion shall be in accordance with those specified in Table 9.6.1.
Examination amount: complete inspection.
Examination method: carrying out visual inspection and inspecting the oil quality report after the qualified oil cleaning.
Table 9.6.1 Oil Cleaning Acceptance Criterion
Mechanical speed (r/min) Filter screen specification (mesh) Acceptance criterion
≥6000 200 1) No hard particles or viscous
substance on the filter screen by visual observation;
2) Quantity of soft foreign matters are no more than 3/cm2
<6000 100
9.6.2 The qualified piping after oil cleaning shall be sealed or protected by nitrogen filling according to the requirements of design documents.
Examination amount: complete inspection.
Examination method: carrying out visual inspection and inspecting the seal record or nitrogen-filling protection record.
Annex A
Record of Sub-item Project's Quality Acceptance
Table A Record of Sub-item Project's Quality Acceptance Name of sub-item
project Construction organization
Project manager Project technical
director
Subcontractor Subcontractor
leader
Technical director of subcontractor No. Examination item Examination result of construction
organization
Acceptance conclusion of development (supervision) organization
1 □Qualified □Unqualified
2 □Qualified □Unqualified
3 □Qualified □Unqualified
4 □Qualified □Unqualified
5 □Qualified □Unqualified
6 □Qualified □Unqualified
7 □Qualified □Unqualified
8 □Qualified □Unqualified
9 □Qualified □Unqualified
10 □Qualified □Unqualified
Quality control data □Qualified □Unqualified
Quality inspector of construction organization:
Specialized technical director of construction organization:
Date:
Acceptance conclusion of development (supervision) organization:
Profession director of the development organization:
(supervising engineer)
Date:
Annex B
Record of Subsection (Sub-subsection) Project's Quality Acceptance
Table B Record of Subsection (Sub-subsection) Project's Quality Acceptance
Project name Number of sub-item
projects Construction
organization
Project manager Project technical
director
Subcontractor Subcontractor leader Technical director of
subcontractor
No. Name of
sub-item project
Number of examination
items
Examination and evaluation result of the construction
organization
Acceptance conclusion of development (supervision) organization
1 □Qualified □Unqualified □Qualified □Unqualified
2 □Qualified □Unqualified □Qualified □Unqualified
3 □Qualified □Unqualified □Qualified □Unqualified
4 □Qualified □Unqualified □Qualified □Unqualified
5 □Qualified □Unqualified □Qualified □Unqualified
6 □Qualified □Unqualified □Qualified □Unqualified
7 □Qualified □Unqualified □Qualified □Unqualified
8 □Qualified □Unqualified □Qualified □Unqualified
9 □Qualified □Unqualified □Qualified □Unqualified
10 □Qualified □Unqualified □Qualified □Unqualified
Quality control data □Qualified □Unqualified □Qualified □Unqualified Organizations
participating in acceptance
Development organization
Supervision organization
Construction organization
Design organization (Official seal)
Project director:
Project technical director:
Date:
(Official seal)
General supervising engineer:
Date:
(Official seal)
Project director:
Project technical director:
Date:
(Official seal) Project director:
Date:
Annex C
Record of Unit (Sub-unit) Project's Quality Acceptance
Table C Record of Unit Project's Quality Acceptance Project name
Construction organization
Commencement date
Project manager Project technical
director
Completion date
No. Item Acceptance record Conclusion
1 Subsection project __ subsections in total and __ have been inspected
__ subsections meet the requirements of standards and design
2 Quality control data __ items in total and ___ items meet the requirement upon inspection
3 Comprehensive
acceptance conclusion Organizations
participating in acceptance
Development organization
Supervision organization Construction organization Design organization (Official seal)
Project director:
Date:
(Official seal)
General supervising engineer:
Date:
(Official seal) Project director:
Date:
(Official seal) Project director:
Date:
Notes: the inspection records of subsection project and quality control data in this table shall be completed by the construction organization and the acceptance conclusion shall be completed by the development (supervision) organization. The comprehensive acceptance conclusion shall be agreed by all parties participating the acceptance and be completed by the development organization. In addition, an evaluation shall be made whether the project quality meets the requirements of design and codes or not as well as on the overall quality level.
Annex D
Record for Check of Project's Quality Assurance Data
Table D Record for Check of Project's Quality Assurance Data
Project name Construction
organization
Classification No. Data name Number of
copies
Inspection opinion Inspector
Quality management
1 Field quality control system and quality responsibility system
□Qualified □Unqualified
2 Examination for the qualification of construction and inspection
organizations
□Qualified □Unqualified
3 Construction drawing
examination
□Qualified □Unqualified
4 Technical standard for construction
□Qualified □Unqualified
5 Construction organization plan, construction scheme and examination and approval
□Qualified □Unqualified
6 Technology and safety delivery □Qualified □Unqualified
7 Operation certificate of main disciplines
□Qualified □Unqualified
8 Calibration of monitoring and measuring equipment
□Qualified □Unqualified
9 Storage and management of onsite materials and equipment
□Qualified □Unqualified
Quality control
1 Drawing review, design change, material substitution sheet and
negotiation record
□Qualified □Unqualified
2 Project commencement
documents
□Qualified □Unqualified
3 Materials quality certificate document as well as examination
and test report
□Qualified □Unqualified
4 Construction record □Qualified □Unqualified
5 Construction test, examination and test report
□Qualified □Unqualified
6 Acceptance record of concealed project (sealing)
□Qualified □Unqualified
7 Intermediate hand-over record □Qualified □Unqualified
8 Record of unit, subsection and sub-item project's quality
acceptance
□Qualified □Unqualified
9 Report of supervision &
examination for pressure piping installation
□Qualified □Unqualified
10 Record of quality accident treatment
□Qualified □Unqualified
11 Completion drawing □Qualified □Unqualified
Conclusion:
Project director of construction organization:
Date:
Project director of development organization:
(General supervising engineer)
Date:
Note: the data name and number of copies shall be completed by the construction organization; the inspection opinion and inspector shall be filled by the development (supervision) organization. The conclusion shall be agreed by both parties and shall be completed by the development organization.
Explanation of Wording in This code
1. Words used for different degrees of strictness are explained as follows in order to mark the differences in executing the requirements in this code.
1) Words denoting a very strict or mandatory requirement:
“Must” is used for affirmation; “must not” for negation.
2) Words denoting a strict requirement under normal conditions:
“Shall” is used for affirmation; “shall not” for negation.
3) Words denoting a permission of a slight choice or an indication of the most suitable choice when conditions permit:
“Should” is used for affirmation; “should not” for negation.
4) “May” is used to express the option available, sometimes with the conditional permit.
2. “Shall comply with ...” or “shall meet the requirements of ...” is used in this code to indicate that it is necessary to comply with the requirements stipulated in other relative standards and codes.