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TSG 71-2023: Regulation on Safety Technology for Large-scale Amusement Facilities
TSG 71-2023
TSG
TECHNICAL SAFETY REGULATION FOR SPECIAL EQUIPMENT
Regulation on safety technology for large-scale amusement
facilities
ISSUED ON: NOVEMBER 29, 2023,
IMPLEMENTED ON: NOVEMBER 29,
2023
Issued by: State Administration for Market Regulation
Table of Contents
Foreword ... 3
1 General ... 4
2 Materials ... 6
3 Design ... 7
4 Manufacturing ... 33
5 Installation, renovation, repair ... 44
6 Management of use ... 50
7 Inspection ... 58
8 Special item requirements ... 76
9 Supplementary provisions ... 96
Appendix A Classification and grading for large-scale amusement facilities ... 97
Appendix B Product quality certificate for large-scale amusement facilities ... 99
Appendix C Inspection opinion letter for large-scale amusement facilities ... 101
Appendix D Design document appraisal items and requirements for large-scale
amusement facility ... 102
Appendix E Design document appraisal certificate of large-scale amusement facilities
... 104
Appendix F Design document appraisal coverage parameter table ... 106
Appendix G Type test items and requirements for large-scale amusement facilities 109
Appendix H Special equipment type test certificate (large-scale amusement facilities)
... 113
Appendix J Type test coverage parameter table ... 115
Appendix K Supervisory inspection and periodic inspection items and requirements for
large-scale amusement facilities ... 116
Regulation on safety technology for large-scale amusement
facilities
1 General
1.1 Purpose
In order to ensure the safe use of large-scale amusement facilities, prevent and reduce
accidents, protect personal and property safety, promote economic and social
development, this Regulation is formulated, in accordance with the "Special Equipment
Safety Law of the People's Republic of China" and "Special Equipment Safety
Supervision Regulations".
1.2 Meaning of large-scale amusement facilities
The term "large-scale amusement facilities" as mentioned in this Regulation refers to
the equipment and facilities used for business purposes to carry passengers for
amusement; its scope is specified as the manned electromechanical amusement
equipment, water amusement facilities, unpowered amusement facilities (Note 1-3),
which have the designed maximum operating linear speed (Note 1-1) greater than or
equal to 2 m/s, or the operating height (Note 1-2) higher than or equal to 2 m. Equipment
and facilities used for sports, theatrical performances, non-business activities are
excluded. The specific categories and varieties are specified in the "Special Equipment
Catalog".
Large-scale amusement facilities include the body of the large-scale amusement facility,
ancillary equipment that is inseparable from its safe operation, decorations fixed on its
body, excluding the power distribution part, foundation and building (structure) part of
the large-scale amusement facility.
Note 1-1: The design maximum operating linear speed (hereinafter referred to as operating
speed) refers to the maximum linear speed, that passengers may experience during normal
operation of the designed large-scale amusement facilities.
Note 1-2: The operating height generally refers to the maximum vertical distance between the
passenger restraint supporting surface and the installation base surface during operation. For
large-scale amusement facilities installed on buildings (structures), the operating height refers
to the maximum vertical distance between the passenger restraint supporting surface and the
drop surface during the operating process. The operating height of the high-altitude bungee
refers to the maximum vertical distance between the take-off point and the water surface or the
ground with the lowest drop. The operating height of the water slide refers to the maximum
vertical distance between the take-off point and the water surface or the ground with the lowest
drop.
Note 1-3: The operating speed and operating height are generally judged, based on the product
design data of the manufacturer. The manufacturer shall ensure that the actual operating
parameters are consistent with the design data and parameters in the product quality
certification document.
1.3 Scope of application
This Regulation applies to the production (including design, manufacturing, installation,
modification, repair), use, inspection, testing, supervisory management of large-scale
amusement facilities.
Ancillary equipment of large-scale amusement facilities, if it belongs to other types of
special equipment (such as pressure vessels, pressure pipes, elevators, etc.), shall be
managed in accordance with the requirements of the corresponding equipment.
1.4 Classification and grading of large-scale amusement facilities
Large-scale amusement facilities are divided into grade A and grade B, according to the
corresponding categories, types, parameters. See the classification and grading table of
large-scale amusement facilities (Appendix A).
1.5 Relationship with technical standards and management systems
This Regulation stipulates the basic safety requirements for large-scale amusement
facilities. The technical standards and management systems of large-scale amusement
facilities shall not be lower than the requirements of this Regulation.
1.6 Handling of special situations
If large-scale amusement facilities use new materials, new technologies, or new
processes that are inconsistent with the requirements of this Regulation, or if this
Regulation does not make requirements and may have a significant impact on safety
performance, the relevant organizations shall make application to the State
Administration for Market Regulation (hereinafter referred to as SAMR). The State
Administration for Market Regulation shall entrust a safety technical consulting agency
or relevant professional institution to conduct a technical review. The review results
shall be approved by the State Administration for Market Regulation, before it can be
put into production and use.
1.7 Supervisory management
Organizations that produce, operate, use large-scale amusement facilities, as well as
inspection and testing agencies, etc., shall strictly implement this Regulation; accept
the supervisory management of the market supervisory management department;
submit relevant information in a timely manner in accordance with the relevant
provisions of the information management of special equipment.
2 Materials
2.1 General requirements
The selection of materials for large-scale amusement facilities shall be comprehensively
considered based on factors such as their load characteristics, structural type, stress state,
manufacturing process, working environment.
2.2 Metal materials
2.2.1 Steel
(1) Steel shall comply with relevant national or industry standards; its mechanical
properties, heat treatment properties, welding properties, etc. shall meet the
requirements of actual working conditions;
(2) When the thickness direction performance steel plate is used as the welded load-
bearing structural steel plate, the performance level in thickness direction shall
at least meet the requirements of Zl5 in GB/T 5313 "Steel plate with through-
thickness properties";
(3) It is prohibited to use boiled steel for structural parts.
2.2.2 Non-ferrous metals
Nonferrous metals shall comply with relevant national or industry standards. Their
mechanical properties, heat treatment properties, welding properties, wear resistance,
corrosion resistance, lubrication properties, etc. shall meet the requirements of actual
working conditions.
2.3 Non-metallic materials
2.3.1 Wood
Wood shall comply with the requirements of GB 50005 "Standard for design of timber
structures". Its mechanical properties, corrosion resistance, combustion performance,
etc. shall meet the requirements of actual working conditions.
2.3.2 Engineering plastics
Structural engineering plastics shall comply with relevant national or industry standards.
Their mechanical properties, heat resistance, aging resistance, etc. shall meet the
requirements of actual working conditions.
2.3.3 Rubber
Rubber shall meet the requirements of relevant national or industry standards. Its
mechanical properties, aging resistance, corrosion resistance, etc. shall meet the
requirements of actual working conditions.
2.3.4 Glass
The glass shall be made of plexiglass or safety glass that is not easily broken. The
plexiglass sheets shall comply with the requirements of GB/T 7134 "Poly (methyl
methacrylate) cast sheets". The safety glass shall comply with the requirements of GB
15763 "Safety glazing materials in building".
The mechanical properties, thermal shock resistance, appearance quality of glass shall
meet the requirements of actual working conditions.
2.3.5 FRP
FRP materials and FRP parts shall meet the following requirements:
(1) The resin used to make fiberglass parts has good water resistance and aging
resistance;
(2) The fiberglass of the water slide slideway is made of alkali-free glass fiber; the
fiber surface has good wettability;
(3) FRP parts are not allowed to have defects such as poor impregnation, poor curing,
blisters, delamination on the cutting surface, uneven thickness, etc.;
(4) The surface of FRP is not allowed to have cracks, damage, exposed cloth lines,
wrinkles, uneven unevenness; it shall have smooth corner transitions, without
burrs;
(5) The mechanical properties of FRP meet the requirements of actual working
conditions.
3 Design
3.1 General requirements
(1) The manufacturer is responsible for the design of large-scale amusement facilities,
ensuring that the design of large-scale amusement facilities meets the
requirements of this Regulation and ensuring the safety of people and property;
(2) The design of large-scale amusement facilities shall be reasonable, convenient for
operation, maintenance, inspection and testing; meet the requirements of the use
site and environment;
(1) Normal operating conditions under no-load, partial load, full load conditions;
(2) Abnormal operating conditions under emergency stop, emergency rescue,
maintenance, etc.;
(3) Limit state conditions under local extreme conditions, such as typhoons and
earthquakes.
3.3.4 Load combinations
According to the working condition analysis, load combinations of various loads borne
by the large-scale amusement facility structure are analyzed and calculated separately.
Load combinations under abnormal operating conditions and limit state conditions shall
not cause damage or plastic deformation of the structure.
3.3.5 Static strength
For large-scale amusement facilities designed using the allowable safety factor method,
the static strength safety factor is n ≥ 5 for important shafts (pins) and important welds
(Note 3-2); the static strength safety factor is n ≥ 3.5 for other parts, welds and FRP;
the static strength safety factor n ≥ 8 for parts made of brittle materials.
For large-scale amusement facilities using the limit state design method, the static
strength of metal parts shall comply with the requirements of the limit state design
method in GB 8408 "Large-scale amusement device safety code".
The calculation of wooden structures shall comply with the requirements of GB 50005.
Note 3-2: The ratio -- of the material’s ultimate stress to the calculated maximum stress -- is the
static strength safety factor.
3.3.6 Fatigue strength
The main stressed parts and important welds shall be checked for fatigue strength.
When the maximum calculated stress of the cyclic load is less than the fatigue limit of
the material, the main stressed parts have an infinite life. When the maximum calculated
stress of the cyclic load is greater than the fatigue limit of the material, the design
service life of the main stressed components shall be calculated and analyzed in
conjunction with the fatigue load spectrum.
3.3.7 Stiffness
For components and structural parts with deformation requirements, it shall perform
stiffness calculations.
3.3.8 Stability
To prevent structural instability, overall and local stability calculations shall be
performed for slender, thin-walled structural members.
3.3.9 Anti-overturning
Large-scale amusement facilities, that are likely to overturn as a whole during operation,
shall undergo anti-overturning calculations.
3.3.10 Anti-slip sideways
Large-scale amusement facilities, that are likely to slip sideways during operation, shall
be subject to anti-sideslip calculations.
3.4 Speed and acceleration
3.4.1 Speed limit requirements
For large-scale amusement facilities that operate while loading and unloading
passengers OR synchronous platforms that assist passengers to get on and off, their
relative running speed shall not be greater than 0.3 m/s, to avoid damage to passengers
caused by excessive speed.
For large-scale amusement facilities with speed limits, their speeds shall comply with
relevant national standards.
3.4.2 Acceleration limit requirements
In order to prevent injuries to passengers caused by excessive acceleration or too long
duration, the acceleration and duration of passengers in large-scale amusement facilities
shall comply with the requirements of GB 8408.
3.5 Welding design
3.5.1 Welding joint design
(1) The weld metal shall be compatible with the base metal; welds made of different
materials shall also have measures to eliminate residual stress;
(2) The shape and size of the groove of the welded joint shall be reasonably designed,
based on the welding structure type, the importance of the weld, the welding
process method;
(3) When welding parts of unequal thickness or width are welded together, the cross-
sectional transition shall be gentle;
(4) Welded joints shall avoid or reduce stress concentration areas.
3.5.2 Weld grading
The grade of welds shall be determined through risk assessment, based on factors such
as the possibility of weld failure, the severity of failure consequences, the dete...