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Industry Standard of the People's Republic of China
Clean Room Construction and Acceptance Specification
JGJ71-90
Engineering Construction Standard Full-text Information System
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Industry Standard of the People's Republic of China
Clean Room Construction and Acceptance Specification
JGJ71-90
Editor: China Academy of Building Research Approval Department: Ministry of Construction of the People's Republic of China Effective Date: July 1, 1991
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Notice on the Release of the Industry Standard "Clean Room Construction and Acceptance Specification"
(90)Jianbiaozi No. 694
According to the requirements of the former State Planning Commission's Bidding Letter (1987) No. 3, the "Clean Room Construction and Acceptance Specification" edited by the China Academy of Building Research has been reviewed and approved as an industry standard, with the number JGJ71-90, to be implemented on July 1, 1991
This standard is under the unified management of the China Academy of Building Research, the technical unit responsible for construction engineering standards of the Ministry of Construction, and its specific interpretation and other work are the responsibility of the China Academy of Building Research. Ministry of Construction of the People's Republic of China
December 30, 1999
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Chapter 1
Chapter 2 Architectural Decoration
Section 1
General Provisions
China Electric Power Center
Section 2 Material Requirements
Section 3 Structural and Decoration Requirements
Section 5 Installation of Prefabricated Clean Rooms
Chapter 3 Purification and Air Conditioning System
Section 1
General Provisions
Manufacture of Air Ducts and Their Components
System Installation
Section V
Sections 1 and 2
High Efficiency Filter Installation
Air Conditioner Installation
Installation of Air Purification Equipment and Devices
Chapter IV
Section I
Section III
Gas and Electricity Systems
General Provisions
Water Supply and Drainage
Section IV Gas Pipelines
Section V Electrical Installations
Chapter V
Project Acceptance
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General Provisions
Section 2 Completion Acceptance·
Section 3 Comprehensive Performance Comprehensive Evaluation
Section 4 Evaluation Standards:
Terms Explanation
Appendix 2 Main Construction Procedures of Clean Rooms
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Appendix 3
Appendix 4
Duct Leakage Inspection Method:
Air Conditioner Leakage Rate Detection Method·
Appendix 5
Construction Inspection Record Table
Testing methods for comprehensive performance of clean rooms
Appendix VI
Explanation of terms used in this specification
Appendix VII
Additional explanation
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Chapter 1 General
Article 1.0.1 In order to implement relevant national policies and unified construction acceptance requirements, unify testing methods, ensure project quality, save energy, protect the environment and operate safely in the construction of clean rooms (including prefabricated clean rooms, the same below), this specification is specially formulated. Article 1.0.2 This specification applies to the construction and acceptance of newly built and renovated industrial clean rooms and general biological clean rooms, and does not apply to the construction and acceptance of special biological clean rooms with biological safety requirements.
Article 1.0.3 Clean rooms must be constructed according to the design drawings, and when the design needs to be modified during construction, there should be a change notice from the design unit. Construction and acceptance cannot be carried out without drawings and technical requirements.
Article 1.0.4 Before the construction of the clean room, a detailed construction plan and procedures should be formulated. During the construction, various types of work should cooperate closely and be constructed according to the procedures. The types of work that are constructed first shall not hinder the subsequent construction.
Article 1.0.5 The main materials, equipment, finished products and semi-finished products used in the project shall comply with the design requirements and have factory certificates or quality appraisal documents. When there is doubt about the quality, it must be inspected. Expired materials shall not be used. Article 1.0.6: During the construction of the clean room, intermediate inspection and acceptance should be carried out after the completion of each process, and records should be kept for filing. Article 1.0.7 In addition to implementing this specification, the construction and acceptance of the clean room shall also comply with the provisions of the relevant national standards currently in force. Engineering Construction Standard Full Text Information System
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Chapter II Building Decoration
Section I General Provisions
Article 2.1.1 The construction of clean room building decoration should be carried out after the roof waterproofing project and the external protective structure are completed, the external doors and windows are installed, and the main structure is accepted. Its contents include interior decoration projects, door and window installation, gap sealing, and various pipelines, lighting fixtures, purification and air conditioning equipment, process equipment, etc. The sealing of the gaps in the joints with the building. Article 2.1.2: The construction schedule of clean room building decoration should formulate a clear construction cooperation plan with other professional types of work, and the construction should be carried out according to the procedures and cooperate with each other. The main construction procedures are shown in Appendix 2.
Article 2.1.3 In addition to complying with the requirements of the current national standards "Construction and Acceptance Specifications for Decoration Engineering" GBJ210 and "Construction and Acceptance Specifications for Ground and Floor Engineering" GBJ209, the construction of clean room building decoration should also ensure the airtightness of the construction, reduce the amount of construction operations and keep the construction site clean. When there are anti-corrosion requirements, it should also comply with the provisions of the current national standard "Construction and Acceptance Specifications for Building Anti-Corrosion Engineering" TJ212. Article 2.1.4 The ambient temperature at the construction site of clean room building decoration should not be lower than 10℃, but for special decoration projects, the temperature required by the decoration material manual should be used for construction. Section 2 Material Requirements
Article 2.2.1 The elastic sealing materials and dustproof coatings used for clean room caulking must have instructions and product certificates indicating the ingredients, varieties, factory date, storage validity period and construction methods. Expired products and uncertified products shall not be used. Article 2.2.2 The cement grade of the cement mortar base of the clean room coating floor shall not be less than 425, the terrazzo floor shall be cast in place, and the diameter of the small stones used shall be 615mm. After the terrazzo is finely ground, it is advisable to use non-volatile surface protection materials to paint. Article 2.2.3 The plastering of the walls and ceilings of the clean room shall be high-grade plastering, and the maintenance time shall be sufficient. Materials that are deformed, moldy, and powdered by heat and humidity shall not be used. Article 2.2.4 The moisture content of wood used in the clean room shall not be greater than 16%, and it shall not be exposed for use; stone cultivation boards, plywood and wooden keels shall be treated with moisture-proof treatment, or waterproof gypsum boards shall be used; biological clean rooms shall not use wood and gypsum boards as surface decoration materials. Section 3 Construction and Decoration Requirements
Article 2.31 Iron parts and frames embedded in reinforced concrete components and walls should be firm, wooden bricks and wooden frames should be treated with anti-corrosion, and the exposed parts of embedded iron parts and suspension rod brackets should be treated with rust or anti-corrosion.
Article 2.3.2 When elastic materials are used to seal the joints of different materials, slots or gaps of appropriate width and depth should be reserved, see Figure 2.3.2. Figure 2.3.2 Gap sealing width
1-Elastic sealing material: 2-Steel window frame: 3-Window sill: 4-Equipment frame: 5-Steel keel partition wall Article 2.3.3 All building components, partition walls, ceiling fixings and hanging parts are connected to the main structure and should not be connected to equipment brackets (such as conveyor belt hangers, air duct engineering construction standard full text information system
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hangers and vibrating equipment) and pipeline brackets. Article 2.3.4 The gaps of building decorations and doors and windows should be sealed on the positive pressure surface. Article 2.3.5 After the construction of partition wall removal, hole drilling, pipeline penetration through walls and floor slabs, the reconstruction project should be repaired firmly and the surface should be decorated accordingly to prevent dust accumulation and dust falling.
Article 2.3.6 Pipeline concealment engineering should be carried out after the pipeline construction is completed and the pressure test acceptance is carried out. The holes where pipelines pass through walls and where they are hung should be repaired flush, tight, clean, and caulked with sealing materials. Airtight sealing pads should be pasted around the inspection openings of concealed projects.
Article 2.3.7 A 0.4~0.A 6mm thick waterproof film is used as a moisture-proof layer, with a 50mm overlap at the joints, and it is firmly glued with tape. When pouring concrete, the compartment line should not pass through the clean room. The base moisture content of the construction roll material and the coating should not be greater than 6~8%.
Article 2.3.8 The skirting board should be flush with the wall or slightly indented 2~3m during construction. When the skirting board is made of the same material as the floor, it can be made into a small fillet, and the fillet radius R should be greater than or equal to 50mm; when the skirting board is made of different materials from the floor, it should be embedded with elastic materials.
See Figure 2.3.8.
Figure 2.3.8 Partial construction of skirting board
1—skirting board; 2—sealing and embedding materials
Article 2.3.9 The decorative surface quality of the clean room shall comply with the provisions of Table 2.3.9
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Usage Part
Dust generation
No peeling, powdering
No dust generation, no cracks
According to high-grade plastering
No peeling, powdering
No dust generation, no cracks
According to high-level plastering
No shelling or peeling
No empty laying, aligned gaps,
No dust accumulation
No sanding, dense, smooth
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Abrasion resistance
List of quality requirements for clean room decoration surface
Water resistance
Washable
Scrubbable
Moisture resistance
Washable
Washable
Washable
Washable
Washable
Washable
Washable
Washable
|Washable
Washable
Anti-static
Resistance is 105~108
Resistance is 105~108
Resistance is 105~108g
Resistance is 105~10%
Mold resistance
Moisture resistance, mildew
Moisture resistance, mildew
Moisture resistance, mildew
Moisture resistance, mildew
Moisture resistance, mildew
Air tightness
Flush board seams
Flush board seams,||tt ||Gap sealing,
Compression seam strip
Straight, gap not larger than
Straight, gap not larger than
Gap welding is firm,
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Section 4 Construction Requirements
Article 2.4.1 Architectural decoration projects must formulate strict construction procedures with various professional types of work, generally in the following order: leaving holes for priming, various professional installations, internal door and window installation, repairing holes and surrounding areas, base priming, finishing plastering and panel covering projects, caulking treatment, paint slurry brushing projects and wallpapering projects.
Article 2.4.2 During the construction of clean room architectural decoration, dust must be cleaned at any time, and cleaning records should be kept for hidden spaces (such as ceilings and internal walls). Article 2.4.3 The surface of the completed decoration project should be protected, and the plate should not be sunken, cracked, or contaminated by surface decoration due to collision, knocking, trampling, or water-intensive operations. Article 2.4.4 Dust-prone operations shall not be performed in rooms where high-efficiency filters have been installed.
Article 2.4.5 Before laying the surface layer of plastic sheets or coils, they should be classified according to size and thickness in advance. The adhesive should be fully applied between the sheets or coils and the ground, and the surface should be leveled without leaking or residual air.
Article 2.4.6 Before the sealant is embedded, the impurities and oil stains in the base groove should be removed and the surface should be kept dry.
Article 2.4.7 Temporary equipment in the clean room should be closed when not in use to prevent dust and debris from entering.
Article 2.4.8 Good ventilation and lighting should be ensured at the construction site. For reconstruction projects, the original power supply and flammable, explosive and toxic gas pipelines should be identified and cut off before construction can be carried out. Safety protection measures should be taken for corrosive liquids used in the process of production.
Section 5 Installation of prefabricated clean rooms
Article 2.5.1 The installation of prefabricated clean rooms should be carried out indoors after the decoration project is completed. The indoor space must be clean and dust-free, and the parts and sites must be swept and wiped at any time during the construction and installation process.
Article 2.5.2 During construction and installation, the hanging and laying parts and the connecting parts of the main structure, floor and ground should be fixed first. Engineering Construction Standard Full Text Information System
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Article 2.5.3 The ground surface must be flat, and its unevenness should not be greater than 0.1%. When making the coil surface layer or the paint surface layer, the sealing at the intersection with the vertical wall panel should be considered.
Article 2.5.4 Before the wall panel is installed, the line must be strictly laid out, and the corners should be vertically connected to prevent the cumulative error from causing the wall panel to tilt and twist. The verticality deviation of the wall panel should not be greater than 0.2%. Article 2.5.5 The ceiling should be arched in the direction of the room width so that it can remain flat during use after being loaded. The perimeter of the hanging head should be closely connected with the wall. Article 2.5.6 During the installation process, the plastic protective film on the wall panel surface must not be torn off, and it is forbidden to hit or step on the pedal surface.
Article 2.5.7 Various components and materials should be stored in a clean and dry environment with a protective structure and placed flat on the moisture-proof film. Article 2.5.8 The unpacking and unsealing of components and materials should be carried out in a clean environment, and their specifications, performance and integrity should be strictly checked. Unqualified or damaged components are strictly prohibited from being installed.
Article 2.5.9 The materials that need to be pasted with the surface layer and the surfaces and grooves filled with sealants must be strictly cleaned and cleaned to remove impurities and oil stains, ensure that the paste is dense, and prevent falling off and accumulation.
Article 2. 5. 10
The installation seams of prefabricated clean rooms must be sealed with sealants.
Engineering Construction Standard Full Text Information System
bzSoSO, O MaArticle 4 Dust-prone operations shall not be performed in rooms where high-efficiency filters have been installed.
Article 2.4.5 Plastic sheets or coils shall be classified by size and thickness before paving. The adhesive shall be fully applied between the sheets or coils and the ground, and the surface shall be leveled without leaking or residual air.
Article 2.4.6 Before the sealant is embedded, impurities and oil stains in the base groove shall be removed and the surface shall be kept dry.
Article 2.4.7 Temporary equipment in the clean room shall be closed when not in use to prevent dust and debris from entering.
Article 2.4.8 Good ventilation and lighting shall be ensured at the construction site. For reconstruction projects, the original power supply and flammable, explosive and toxic gas pipelines shall be identified and cut off before construction can be carried out. Safety protection measures shall be taken for corrosive liquids used in the process of production.
Section 5 Installation of prefabricated clean rooms
Article 2.5.1 The installation of prefabricated clean rooms should be carried out indoors after the decoration project is completed. The indoor space must be clean and dust-free, and the parts and sites must be swept and wiped at any time during the construction and installation process.
Article 2.5.2 During construction and installation, the hanging and laying parts and the connecting parts of the main structure, floor and ground should be fixed first. Engineering Construction Standard Full Text Information System
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Article 2.5.3 The ground surface must be flat, and its unevenness should not be greater than 0.1%. When making the coil surface layer or the paint surface layer, the sealing at the intersection with the vertical wall panel should be considered.
Article 2.5.4 Before the wall panel is installed, the line must be strictly laid out, and the corners should be vertically connected to prevent the cumulative error from causing the wall panel to tilt and twist. The verticality deviation of the wall panel should not be greater than 0.2%. Article 2.5.5 The ceiling should be arched in the direction of the room width so that it can remain flat during use after being loaded. The perimeter of the hanging head should be closely connected with the wall. Article 2.5.6 During the installation process, the plastic protective film on the wall panel surface must not be torn off, and it is forbidden to hit or step on the pedal surface.
Article 2.5.7 Various components and materials should be stored in a clean and dry environment with a protective structure and placed flat on the moisture-proof film. Article 2.5.8 The unpacking and unsealing of components and materials should be carried out in a clean environment, and their specifications, performance and integrity should be strictly checked. Unqualified or damaged components are strictly prohibited from being installed.
Article 2.5.9 The materials that need to be pasted with the surface layer and the surfaces and grooves filled with sealants must be strictly cleaned and cleaned to remove impurities and oil stains, ensure that the paste is dense, and prevent falling off and accumulation.
Article 2. 5. 10
The installation seams of prefabricated clean rooms must be sealed with sealants.
Engineering Construction Standard Full Text Information System
bzSoSO, O MaArticle 4 Dust-prone operations shall not be performed in rooms where high-efficiency filters have been installed.
Article 2.4.5 Plastic sheets or coils shall be classified by size and thickness before paving. The adhesive shall be fully applied between the sheets or coils and the ground, and the surface shall be leveled without leaking or residual air.
Article 2.4.6 Before the sealant is embedded, impurities and oil stains in the base groove shall be removed and the surface shall be kept dry.
Article 2.4.7 Temporary equipment in the clean room shall be closed when not in use to prevent dust and debris from entering.
Article 2.4.8 Good ventilation and lighting shall be ensured at the construction site. For reconstruction projects, the original power supply and flammable, explosive and toxic gas pipelines shall be identified and cut off before construction can be carried out. Safety protection measures shall be taken for corrosive liquids used in the process of production.
Section 5 Installation of prefabricated clean rooms
Article 2.5.1 The installation of prefabricated clean rooms should be carried out indoors after the decoration project is completed. The indoor space must be clean and dust-free, and the parts and sites must be swept and wiped at any time during the construction and installation process.
Article 2.5.2 During construction and installation, the hanging and laying parts and the connecting parts of the main structure, floor and ground should be fixed first. Engineering Construction Standard Full Text Information System
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Article 2.5.3 The ground surface must be flat, and its unevenness should not be greater than 0.1%. When making the coil surface layer or the paint surface layer, the sealing at the intersection with the vertical wall panel should be considered.
Article 2.5.4 Before the wall panel is installed, the line must be strictly laid out, and the corners should be vertically connected to prevent the cumulative error from causing the wall panel to tilt and twist. The verticality deviation of the wall panel should not be greater than 0.2%. Article 2.5.5 The ceiling should be arched in the direction of the room width so that it can remain flat during use after being loaded. The perimeter of the hanging head should be closely connected with the wall. Article 2.5.6 During the installation process, the plastic protective film on the wall panel surface must not be torn off, and it is forbidden to hit or step on the pedal surface.
Article 2.5.7 Various components and materials should be stored in a clean and dry environment with a protective structure and placed flat on the moisture-proof film. Article 2.5.8 The unpacking and unsealing of components and materials should be carried out in a clean environment, and their specifications, performance and integrity should be strictly checked. Unqualified or damaged components are strictly prohibited from being installed.
Article 2.5.9 The materials that need to be pasted with the surface layer and the surfaces and grooves filled with sealants must be strictly cleaned and cleaned to remove impurities and oil stains, ensure that the paste is dense, and prevent falling off and accumulation.
Article 2. 5. 10
The installation seams of prefabricated clean rooms must be sealed with sealants.
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