GB/T 20050-2020 in English

《GB/T 20050-2020大型游乐设施检验检测 通用要求》由TC250（全国索道与游乐设施标准化技术委员会）归口，主管部门为国家标准化管理委员会。

ChinaStandards.net is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.

This standard is developed in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 20050-2006 Amusement devices inspection and acceptance. In addition to a number of editorial changes, the following technical changes have been made with respect to GB/T 20050-2006:

——The standard name is changed to Inspection and testing specifications of large-scale amusement device—General principles;

——The scope is modified (see Clause 1; Clause 1 of Edition 2006);

——The clause "Terms and definitions" is added (see Clause 3);

——The basic principles are modified (see Clause 4; Clause 3 of Edition 2006);

——The clause “Safety and environment requirements” is added (see Clause 5);

——The personnel requirements are modified (see Clause 6; 3.3 of Edition 2006);

——The instrument and equipment requirements are modified (see Clause 7; 3.4 of Edition 2006);

——The clause "Materials acceptance inspection" is deleted (see Clause 4 of Edition 2006);

——The clause "Acceptance inspection of purchased products and processed products commissioned" is deleted (see Clause 5 of Edition 2006);

——The clause "Inspection during manufacturing process" is deleted (see Clause 6 of Edition 2006);

——The clause "Inspection and testing items and methods" is added (see Clause 8);

——The general requirements of inspection and testing are added (see 8.1);

——The requirements of data review are added (see 8.2);

——The requirements for measurement of main technical parameters are added (see 8.3);

——The testing requirements for machinery and structure are added (see 8.4);

——The testing requirements for transmission system are added (see 8.5);

——The testing requirements for electrical and control system are added (see 8.6);

——The testing requirements for carrying system are added (see 8.7);

——The testing requirements for safety protection devices and measures are added (see 8.8);

——The testing requirements for basic and auxiliary equipment and facilities are added (see 8.9);

——The requirements for operation test of complete machine are added (see 8.10);

——The inspection requirements for emergency rescue are added (see 8.11);

——The clause "Inspection during product installation process" is deleted (see Clause 8 of Edition 2006);

——The clause "Requirements of non-conforming products" is deleted (see Clause 9 of Edition 2006);

——The requirements of record and report are modified (see Clause 8; Clauses 10 and 11 of Edition 2006);

——The normative annex "Instruments and equipment commonly used in inspection and testing and their precision" is added (see Annex A);

——The informative annex "Items and content for data review" is added (see Annex B);

——The informative annex "Main technical parameters measurement content and methods" is added (see Annex C);

——The informative annex "Testing items, content and methods of machinery and structure" is added (see Annex D);

——The informative annex "Testing items, content and methods of transmission system" is added (see Annex E);

——The informative annex "Testing items, content and methods of electrical and control system" is added (see Annex F);

——The informative annex "Testing items, content and methods of carrying system" is added (see Annex G);

——The informative annex "Testing items, content and methods of safety protection devices and measures" is added (see Annex H);

——The informative annex "Testing items, content and methods of basic and auxiliary equipment and facilities" is added (see Annex I);

This standard was proposed by and is under the jurisdiction of the National Technical Committee on Ropeway and Entertainment Facilities of Standardization Administration of China (SAC/TC 250).

The previous edition of this standard is as follows:

——GB/T 20050-2006.

Inspection and testing specifications of large -scale amusement device - General principles

1 Scope

This standard specifies the basic principles, safety and environment requirements, personnel requirements, equipment requirements, inspection and testing items and methods, record and report of large-scale amusement device.

This standard is applicable to the inspection and testing of large-scale amusement.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 1958 Geometrical Product Specifications (GPS)—Geometrical tolerance—Verification
GB/T 3177 Geometrical product specifications (GPS)—Inspection of plain workpiece sizes
GB/T 10610 Geometrical product specifications(GPS) —Surface texture: Profile method - Rules and procedures for the assessment of surface texture
GB/T 39079 Inspection and test specifications of large-scale amusement device—Acceleration test
GB/T 20306 Amusement devices terminology
GB/T 34370.2 Nondestructive testing of amusement equipments—Part 2: Visual examination

3 Terms and definitions

For the purposes of this standard, the terms and definitions given in GB/T 20306 apply.

4 Basic principles

4.1 Inspection and testing of large-scale amusement device intends to judge whether the products meet the requirements of relevant laws, standards and design documents.

4.2 This standard specifies the common inspection and testing items and methods of large-scale amusement device, and the units engaged in inspection and testing may select the corresponding inspection and testing items and methods according to the condition of the amusement device, and may add the inspection items and methods when necessary.

4.3 Units engaged in inspection and testing of large-scale amusement device shall make inspection and testing plans according to relevant laws, standards and design documents, and carry out inspection and testing work. The inspection and testing plan shall at least cover the applicable scope, reference standards, instruments and equipment, environmental conditions, inspection and testing items and methods, etc.

Foreword
1 Scope
2 Normative references
4 Basic principles
5 Safety and environment requirements
6 Personnel requirements
7 Instruments and equipment requirements
8 Inspection and testing items and methods
9 Record and report
Annex A (normative) Instruments and equipment commonly used in inspection and testing and their precision
Annex B (informative) Items and contents for data review
Annex C (informative) Main technical parameters measurement contents and methods
Annex D (informative) Inspection items, content and method of machinery and structure
Annex E (informative) Testing items, contents and methods of transmission system
Annex F (informative) Testing items, contents and methods of electrical and control system
Annex G (informative) Testing items, contents and methods of onboard system
Annex H (informative) Testing items, contents and methods of safety protection devices and measures
Annex I (informative) Testing items, contents and methods of basic and auxiliary equipment and facilities
Bibliography