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GB 12955-2008 English PDF (GB12955-2008)

GB 12955-2008 English PDF (GB12955-2008)

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GB 12955-2008: Fire resistant door sets

This Standard specifies the classification, code and tag, requirements, test methods, inspection rules, marking, packaging, transportation and storage of fire resistant doorsets. This Standard is applicable to fire resistant timber, steel and timber-steel side hung doorsets and other material fire resistant. As for fire resistant doorsets of other open modes, it may refer to this Standard.
GB 12955-2008
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 13.220.50
C 82
Replacing GB 12955-1991, GB 14101-1993
Fire resistant doorsets
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ISSUED ON: APRIL 22, 2008
IMPLEMENTED ON: JANUARY 01, 2009
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 4
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 8
4 Classification, code and tag ... 10
5 Requirements ... 13
5.1 General requirements ... 13
5.2 Material ... 13
5.3 Fittings ... 15
5.4 Processing technique and appearance quality ... 17
5.5 Door leaf quality ... 17
5.6 Size limit deviation ... 18
5.7 Form-position tolerance ... 18
5.8 Fit tolerance ... 18
5.9 Flexibility ... 19
5.10 Reliability ... 19
5.11 Fire resistance ... 19
6 Test methods ... 19
6.1 Requirement for specimen ... 19
6.2 Accuracy of instrument and equipment ... 20
6.3 Material ... 20
6.4 Fittings ... 21
6.5 Processing technique and appearance quality ... 23
6.6 Door leaf quality ... 23
6.7 Dimensional tolerance ... 23
6.8 Tolerance of form and position ... 26
6.9 Fit tolerance ... 30
6.10 Flexibility ... 32
6.11 Reliability ... 32
6.12 Fire resistance ... 33
7 Inspection rules ... 33
7.1 Factory-exit inspection ... 33
7.2 Type inspection ... 34
8 Marking, packaging, transportation and storage ... 36
Annex A (normative) Requirements and test methods for flameproof locks ... 38 Annex B (normative) Fire resistance requirements and test methods for fire resistant gemels (hinges) ... 39
Annex C (normative) Fire resistance requirements and test methods for fire resistant sequence controllers ... 40
Annex D (normative) Fire resistance requirements and test methods for fire resistant bolts ... 41
Foreword
Subclause 7.2 of Clause 5 of this Standard is compulsory; other clauses of this Standard are voluntary.
This Standard replaces GB 12955-1991 ?€?General technical conditions for steel fire door?€? and GB 14101-1993 ?€?Wood fire door - General technical conditions?€?. Compared with GB 12955-1991 and GB 14101-1993, the major changes are
as follows:
- ADD the content of the classification of fire resistant doorsets according to material (see 4.1);
- MODIFY the classification of fire resistance of fire resistant doorsets, from the original A, B, C to fully insulated doorsets (type A), partially insulated doorsets (type B) and no insulated doorsets (type C) (4.3 in GB 12955-
1991, 4.1 in GB 14101-1993 and 4.4 of this Standard);
- Requirement for the material of fire resistant doorsets is more specific: apart from non-metallic material, ADD the requirements for combustion
performance and burning flue-gas toxicant (5.1 in GB 12955-1991 and GB
14101-1993 and 5.2 in this Standard);
- DELETE the requirements of wind pressure deformability resistance, air penetration resistance and rainfall penetration resistance for fire resistant timber doorsets used as the building exterior door;
- Performance requirements for fireproof locks are more specific (5.1.3 in GB 12955-1991, 5.1.4 in GB 14101-1993 and 5.3.1 of this Standard);
- Performance requirements for fireproof hinges (gemels) are more specific (5.1.3 and 5.1.4 in GB 12955-1991, 5.1.4 in GB 14101-1993 and 5.3.2 of
this Standard);
- Performance requirements for door-closing devices are more specific (5.1.3 in GB 12955-1991, 5.1.4 in GB 14101-1993 and 5.3.3 of this Standard);
- Performance requirements for fire resistant glass are more specific (5.1.3 in GB 12955-1991, 5.1.3 in GB 14101-1993 and 5.3.7 of this Standard);
- ADD the quality requirements and test methods for the door leaf of fire resistant doorsets (see 5.5 and 6.6);
- ADD the requirements and test methods for the degree of curvature in the width direction of the door leaf (see 5.7 and 6.8.3);
Fire resistant doorsets
1 Scope
This Standard specifies the classification, code and tag, requirements, test methods, inspection rules, marking, packaging, transportation and storage of fire resistant doorsets.
This Standard is applicable to fire resistant timber, steel and timber-steel side hung doorsets and other material fire resistant. As for fire resistant doorsets of other open modes, it may refer to this Standard.
2 Normative references
The following documents contain the provisions which, through reference in this Standard, become the provisions of this Standard. For dated references, their subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest
versions apply to this Standard.
GB/T 708 Dimension shape weight and tolerance for cold-rolled steel plates and sheets
GB/T 709 Dimensions, shape, weight and tolerances for hot-rolled plates and sheets
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4823-1995 Defects in sawn timber (eqv ISO 1029:1974)
GB/T 5823-1986 Doors and windows for building - Terminology
GB/T 5824 Size system of opening for windows and doors in building
GB/T 5907-1986 Fundamental terminology of fire protection; Part 1
GB/T 6388 Transport package shipping mark
GB/T 7633 Fire resistance tests - Door and shutter assemblies
3.3
fire resistant steel doorsets
Doorsets with certain fire resistance, of which the door frame, door leaf frame and door leaf panel are made of steel material. If the door leaf is filled with materials, it will be filled with fireproof and heat-insulating materials that are non-toxic and harmless to the human body. It is equipped with fire-resistant hardware components.
3.4
fire resistant timber doorsets with steel structure
Doorsets with certain fire resistance, of which the door frame, door leaf frame and door leaf panel are made of steel and flame-retardant wood or flame- retardant wood products. If the door leaf is filled with materials, it will be filled with fireproof and heat-insulating materials that are non-toxic and harmless to the human body. It is equipped with fire-resistant hardware components. 3.5
other material fire resistant doorsets
Doorsets with certain fire resistance, of which the door frame, door leaf frame and door leaf panel are made of inorganic non-combustible materials other than steel, flame-retardant wood or flame-retardant wood products or partially made of steel, flame-retardant wood, and flame-retardant wood products. If the door leaf is filled with materials, it will be filled with fireproof and heat-insulating materials that are non-toxic and harmless to the human body. It is equipped with fire-resistant hardware components.
3.6
fully insulated doorsets
Within a specified period of time, doorsets that meet the requirements for fire integrity and fire insulation.
3.7
partially insulated doorsets
Doorsets that meet the requirements for fire integrity and fire insulation within a specified period of time greater than or equal to 0.50 h, and meet the requirements for fire integrity when 0.50 h is exceeded.
3.8
Example 2: MFM-1221-d6B1.00-2. Refers to the semi insulated (type B) fire resistant timber doorsets, the mouth width thereof is 1200mm, mouth height is 2100 mm, door leaf is without the pane, door frame is with the single groove mouth, be with the bright window, be without the lower frame, door leaf shut in the counterclockwise direction, duration of fire integrality and fire insulation of double-leaf fire resistant door shall be not less than 0.50 h. 4.5.3 Specification
Fire resistant doorsets specification is expressed by dimension of opening, dimension of opening shall meet the relative requirements in GB/T 5824, special dimension of opening shall be confirmed according to negotiation between the producer and user.
5 Requirements
5.1 General requirements
Fire resistant doorsets shall meet requirements in this Standard, which shall be manufactured according to the approved design and technological document. 5.2 Material
5.2.1 Filling material
5.2.1.1 If the fire resistant doorsets is filled with filling materials, harmless fireproofing heat insulating material shall be adopted.
5.2.1.2 Innocuous fireproofing heat insulating material filled in the fire resistant doorsets door leaf shall meet the requirements GB 8624-2006 A1 level and be tested by testing institutions authorized by the government and the ZA2 level fume virulence classification of risks of GB/T 20285-2006.
5.2.2 Timber
5.2.2.1 Timber used for producing fire resistant doorsets shall conform to requirements in II (middle) level of 5.1.1.1 in JG/T 122-2000.
5.2.2.2 Timber used in the fire resistant doorsets shall be the flame retardant timber or composite wood wrapped by the fire-plate, which shall be tested by the government authorized testing institutions and meet the hard burning nature requirement in Clause 7 of GB/T 8625-2005.
5.2.2.3 When the timber used in the fire resistant doorsets going through the fire-retardant treatment and drying process, moisture percentage thereof shall not be more than 12 %; moisture percentage of fire resistant doorsets shall not be more than local equilibrium moisture content.
by government authorized testing institutions and meet the hard burning nature requirements in Clause 7 of GB/T 8625-2005 or combustion performance A1 level requirement in GB 8624-2006, mechanical property thereof shall reach related standard and meet related requirement for the fabrication of fire resistant doorsets.
5.2.6 Agglomerant
5.2.6.1 Agglomerant used in the fire resistant doorsets shall be harmless. 5.2.6.2 Agglomerant used in fire resistant doorsets shall pass through the test by government authorized testing institutions and meet the fume virulence risk classification ZA2 requirement in GB/T 20285-2006.
5.3 Fittings
5.3.1 Fireproofing lock
5.3.1.1 Gate lock installed on the fire resistant doorsets shall be the fireproofing lock.
5.3.1.2 If the door leaf is with the lock barrel, fireproofing lock shall be with the hand spike, roundness or ball knob shall not be used (except for the special position like the piping shaft).
5.3.1.3 Fireproofing lock shall pass through test by government authorized testing institutions; fire resistance thereof shall conform to requirements in Annex A.
5.3.2 Fireproofing hinged flap (hinge)
Plating thickness of hinged flap (hinge) of the fire resistant doorsets shall be no less than 3 mm, fire resistance thereof shall conform to requirements in Annex B.
5.3.3 Fireproofing door-closing device
5.3.3.1 Fire resistant doorsets closer shall be installed on fire resistant doorsets, or install door-closing mechanism when the fire broke out (like the pipeline well door).
5.3.3.2 Fire resistant doorsets closer shall pass through test by government authorized testing institutions; property thereof shall conform to requirements in GA 93.
5.3.3.3 Door-closing mechanism of self-closing door shall pass through test by government authorized testing institutions.
15763.1.
5.4 Processing technique and appearance quality
5.4.1 Quality of processing technique
Use the steel material, flame resisting timber, flame resisting building board material, or other material to fabricate door frame, door leaf frame and door leaf panel of the fire resistant doorsets, if the door leaf is filled with materials, fireproofing heat insulating material shall be harmless, then form the fire resistant doorsets with the hardware fittings, quality of processing technique thereof shall conform with requirements of subclause 5.5, subclause 5.6 and subclause 5.7.
5.4.2 Appearance quality
As for fire resistant doorsets manufactured by using different materials, appearance quality thereof shall respectively conform to the corresponding requirements:
a) Fire resistant timber doorsets: chamfer and edge joint shall be solid and smooth; face ply shall not be planed; surface shall be net and smooth,
there shall not be the plane mark, burr and hammer mark; coating shall
be even, smooth; there shall not be the embossed lacquer, air bubble lack of coating as well as trickle.
b) Fire resistant steel doorsets: external appearance shall be smooth, clean, be without apparent furrow or mechanical damage; coating and cladding
material shall be even, smooth; there shall not be the embossed lacquer, pock, air bubble, lack of coating as well as trickle; welding shall be firm, bonding point shall be evenly distributed, there shall not be false welding, burn through, lack of weld, slag inclusion or loosen parts, outside surface welding shall be burnished smoothly.
c) Fire resistant timber doorsets with steel structure: appearance quality shall meet relative requirements in a) and b).
d) Other material fire resistant doorsets: external appearance shall be smooth, there shall not be apparent furrow and fissure; part with wood or steel part shall respectively meet relative requirement in a) and b).
5.5 Door leaf quality
Door leaf quality shall not be less than quality of design of door leaf. NOTE: It refers to weight of door leaf.
than 3 mm.
5.8.2.5 Free gap between door leaf and lower frame and floor shall not be more than 9 mm.
5.8.2.6 Binding face gapping between door leaf and door frame (see figure 14), door leaf and door frame with hinged flap, door frame with lock and door frame with upper frame shall not be more than 3 mm.
5.8.3 Plane difference of height R between door leaf and door frame
Plane difference height between upper frame of fire resistant doorsets and door leaf shall not be more than 1 mm.
5.9 Flexibility
5.9.1 Start-stop flexibility
Fire resistant doorsets shall be easy for start-stop and be without block phenomenon.
5.9.2 Door leaf breakaway force
Door leaf breakaway force of fire resistant doorsets shall not be more than 80 N.
NOTE: Fire resistant doorsets used in peculiar occasion is for exception. 5.10 Reliability
After 500 times of actuation test, looseness, exfoliation, gross distortion and start-stop block phenomenon shall not occur.
5.11 Fire resistance
Fire resistance of fire resistant doorsets shall conform to requirements in Table 1.
6 Test methods
6.1 Requirement for specimen
Specimen structure and filling material shall be harmless for human body; installation of fireproofing hardware fittings shall match the real conditions. Unless there are the special regulations, check the fire resistant doorsets specimen according to sequence in Clause 5.
institutions.
As for the moisture percentage result of flame resisting timber, use the water- cut meter to test three points of fire resistant doorsets randomly, calculate the average, the result shall meet requirement in 5.2.2.3 of this Standard. 6.3.3 Building board
According to requirements of GB/T 8625-2005, hard burning nature of timber shall be tested, result shall meet requirement of 5.2.3.2 of this Standard; or else there shall be the survey report issued by the government authorized testing institutions.
As for the moisture percentage result of flame resisting building board, use the water-cut meter to test three points of fire resistant doorsets randomly, calculate the average, the result shall meet requirement in 5.2.3.3 of this Standard. 6.3.4 Steel products
6.3.4.1 Material used in door frame, door leaf and reinforcing member of fire resistant doorsets shall be with the qualified survey report offered by producer. 6.3.4.2 Use micrometer to measure the thickness of steel material, test three points randomly, calculate the average, the result shall meet requirement in Table 3 of this Standard.
6.3.5 Other materials
Other materials used in fire resistant doorsets shall be harmless for human body, whose toxicity risk classification shall be tested according to GB/T 20285-2006 and whose hard burning nature shall be tested according to GB/T 8625-2005, combustion performance shall be tested according to GB 8624-2006, the
outcome shall meet the requirement in 5.2.5 of this standard; or else, there shall be corresponding survey report issued by government authorized testing
institutions.
6.3.6 Agglomerant
According to requirements of GB/T 20285-2006, toxicity risk classification shall be tested, result shall meet requirement of 5.2.6.2 of this Standard; or else there shall be the survey report issued by the government authorized testing
institutions.
6.4 Fittings
6.4.1 Fireproofing lock
Proceed test according to annex; or else there shall be survey report issued by government authorized testing institutions.
6.4.2 Fireproofing hinged flap (hinge)
Use Vernier calipers to test the plating thickness of fireproofing hinged flap (hinge), take three points randomly and calculation the average;
Fire resistance of fireproofing hinged flap (hinge) shall be tested according to Annex B; or else there shall be survey report issued by government authorized testing institutions.
6.4.3 Fireproofing door-closing device
Door closer of fire resistant doorsets shall be tested according to requirements of GA 93; or else there shall be survey report issued by government authorized testing institutions.
Door-closing mechanism of fire resistant doorsets shall be able to close the door when receiving the fire alarm signal, other capabilities shall also be carried out according to corresponding standard; or else there shall be corresponding survey report issued by government authorized testing institutions.
6.4.4 Fireproofing sequence device
Fix the fireproofing sequence device to the fire resistant doorsets according to real conditions, at the same time, open the door leaf and release the door leaf, make sure whether the fire resistant doorsets can be shut down by fireproofing sequence device; test the fire resistance of fireproofing sequence device according to Annex C, or else there shall be the survey report issued by government authorized testing institutions.
6.4.5 Fireproofing bolt
Adopt visual measurement and hand feeling to test fireproofing bolt on the fire resistant doorsets, test the fire resistance of fireproofing bolt according to requirements in Annex D, or else there shall be corresponding survey report issued by government authorized testing institutions.
6.4.6 Cover fillet
Adopt visual measurement and hand feeling to test installation of cover fillet of fire resistant doorsets.
6.4.7 Fireproofing sealing element
Make visual measurement to make sure whether there is the fireproofing
It includes door frame, door leaf and fire resistant doorsets which are consisted of such fire resistant hardware matching parts as flameproof lock, door closer and sequence controller.
6.11.3 Test procedure
6.11.3.1 Fix the specimen onto a framework.
6.11.3.2 Start and close the door leaf once with its cycle of operation of 8 s ~ 14 s and the opening angle of 70??, record the times of operation. During the testing, the following shall be recorded: whether the matching par...

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