GB/T 22551-2023 English PDF (GBT22551-2023)

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GB/T 22551-2023: Leisure accommodation vehicles -- Habitation requirements
GB/T 22551-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.100
CCS T 47
Replacing GB/T 22551-2008
Leisure Accommodation Vehicles – Habitation Requirements
ISSUED ON: MAY 23, 2023
IMPLEMENTED ON: DECEMBER 1, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 7
2 Normative References ... 7
3 Terms and Definitions ... 8
4 The Whole Vehicle Configuration ... 8
5 Internal Facilities ... 10
6 Water Supply, Storage and Wastewater Treatment ... 12
7 Thermal Insulation and Heating ... 14
8 Gas System ... 15
9 Emergency Measures ... 15
10 Warning Signs ... 20
11 User Manual ... 20
Appendix A (Normative) Stiffness Test ... 21
Appendix B (Normative) Test of the Grab Handle for Vehicle Moving ... 22
Appendix C (Normative) Anti-Slip Test ... 24
Appendix D (Normative) Mechanical Strength Test of the Bed ... 26
Appendix E (Normative) Calculation of Thermal Insulation ... 27
Appendix F (Normative) User Manual ... 33
Bibliography ... 35
Leisure Accommodation Vehicles – Habitation Requirements
1 Scope
This Document specifies the whole vehicle configuration, internal facilities, water supply,
storage and wastewater treatment, thermal insulation and heating, gas system, emergency
measures, warning signs, and user manual requirements for leisure accommodation vehicles.
This Document applies to the design, production and use of leisure accommodation vehicles
and caravans.
2 Normative References
The provisions in following documents become the essential provisions of this Document
through reference in this Document. For the dated documents, only the versions with the dates
indicated are applicable to this Document; for the undated documents, only the latest version
(including all the amendments) is applicable to this Document.
GB/T 5842 Liquefied petroleum steel gas cylinders
GB 7258 Safety specifications for motor vehicles operating on roads
GB/T 9867-2008 Rubber vulcanized or thermoplastic - Determination of abrasion
resistance using a rotating cylindrical drum device
GB/T 17219 Standard for Safety Evaluation of Equipment and Protective Mater
GB/T 22550 Leisure accommodation vehicles - Terminology
GB/T 36121-2018 Technical requirements for caravans
GB/T 41601 Leisure accommodation vehicle - Safety ventilation requirements
GB/T 42289 Leisure accommodation vehicle - Safety general requirements for the
residential electric system
QC/T 776 Motor caravan
ISO 8936 Awnings for leisure accommodation vehicles – Requirements and test methods
3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in GB 7258 and GB/T 22550
apply.
4 The Whole Vehicle Configuration
4.1 Capacity of bed
The bed capacity of a leisure accommodation vehicle shall be consistent with the number of
beds provided (including fixed beds and movable beds), and the number of beds and their layout
shall be indicated in the user manual.
4.2 Stiffness
When the caravan supports all its supporting devices on the ground in a stationary state, conduct
a stiffness test on any supporting device in accordance with the method specified in Appendix
A. The doors and windows of the caravan shall not deform in such a way that it is difficult to
open.
4.3 Supporting device
Caravan shall be equipped with four supporting devices, one at each corner. The supporting
device shall be telescopic and height-adjustable. Each supporting device shall be able to
withstand a load of no less than 25% of the maximum total design mass of the caravan when
extended. The front supporting device of the caravan semi-trailer shall be able to withstand a
load of no less than 50% of the maximum total design mass of the caravan. When the supporting
device is used, one or more wheels of the caravan shall not be lifted off the ground unless the
user manual specifically states that the supporting device is used for this purpose. Suitable
operating tools for height adjustment shall be provided. The load capacity of the supporting
device shall be stated in the user manual.
4.4 Grab handle for vehicle moving
A caravan with a total mass less than or equal to 2000kg shall be equipped with 4 grab handles
for vehicle moving, one at the front and rear of each side. If the maximum allowable total mass
of the caravan does not exceed 750kg, it only needs to be equipped with one grab handle for
vehicle moving at the front on the left and right sides. The horizontal operating space of each
grab handle for vehicle moving shall be no less than 30mm × 120mm. The grab handle for
caravan moving shall be tested in accordance with Appendix B. After the test, the grab handle
for caravan moving and its fixing device shall not be permanently deformed or loose.
4.5 Entrance steps
4.5.1 Height
4.8 Sunroof and side windows
When the leisure accommodation vehicle is driving, the sunroof, side windows and their
accessories shall not become loose, and screens and sunshades shall be installed on the inside.
4.9 Awnings
If a leisure accommodation vehicle is equipped with an awning, it shall meet the requirements
of ISO 8936; and its installation and use shall meet the requirements of the manufacturer's
technical documents.
4.10 Electrical equipment
The electrical appliances and supporting equipment of a leisure accommodation vehicle shall
meet the requirements of GB/T 42289.
4.11 Ventilation
The ventilation system of the leisure accommodation vehicles shall meet the requirements of
GB/T 41601.
Bathrooms, stove areas, and gas cylinder storage rooms shall be equipped with ventilation
devices or exhaust outlets. Ventilation devices or exhaust outlets shall not be shielded or
blocked.
5 Internal Facilities
5.1 Seat
The seats for the approved number of passengers of the leisure accommodation vehicle shall
meet the requirements of QC/T 776.
5.2 Beds
5.2.1 Mattress size
The bed shall be equipped with a mattress (or cushion). The length and width of all mattresses
(or cushions) shall be clearly stated in the user manual. The allowable deviation of size is
±20mm.
If the mattress (or cushion) has an irregular shape, an illustration shall be attached and the
relevant dimensions shall be stated.
5.2.2 Clear space of bed
The minimum width of the bed of a leisure accommodation vehicle shall be no less than 600mm,
and the minimum width of the bed of a caravan shall be no less than 700mm. The minimum
length of the bed of the leisure accommodation vehicle should be no less than 1800mm. When
a uniformly distributed load of 75kg is placed on the mattress (or cushion), the vertical clear
height above 2/3 of the surface area of the mattress (or cushion) shall be no less than 650mm.
5.2.3 Protective facilities
The upper bed shall be equipped with rigid protective (guardrails) or elastic protection (curtains
or protective nets) facilities. The gap between protective facilities and other facilities shall be
no greater than 75mm. The minimum height of the rigid protective facilities shall be 150mm
higher than the upper surface of the mattress (or cushion). The rigid protective facilities on the
outside of the bed shall have an opening of 350mm~550mm as the upper bed passage. The
minimum height of the elastic protective facility shall be 160mm higher than the upper surface
of the mattress (or cushion). At lea...