In principle, the hall must have the following minimum seating for Spectators, for Rhythmic Gymnastics is 4.000.
The temperature of the hall must be at least 20°C w hen in use and the lighting should be at a standard of at least 1500 lux but not designed in a manner to dazzle the gymnasts.
There must be effective and visible separation of the competition area and the accommodation for spectators.
Suitable and sufficient accommodation must be available in the immediate vicinity of the hall, and linked to it, to provide a "warming up" area with access reserved to participants only.
For Rhythmic Gymnastics the hall must have a minimum height of 8 metres (10 to 12 m preferably). Working surfaces of 13 m by 13 m (exterior of the line) are compulsory and a safety zone (also carpeted) of 50 cm width at the minimum must be provided along the edge of the floor area.
The working surface must correspond to FIG standards. The safety distance between the working surface and the spectators must be at least 4 metres.
The number and arrangement of Competition Halls and working surfaces shall be laid down by agreement between the TC RG and the Organising Committee of the Competition.
The organiser must nominate the chosen brand of equipment at least six months prior to the competition and inform the FIG Secretary General of this decision.
For Acrobatic Gymnastics the competition hall must have a minimum height of 8 metres (10 to 12 m preferably). The length must be minimum 45 metres and the width 30 metres.
The hall must be equipped at minimum with
- a spring gymnastic type floor (identical to an Artistic Gymnastics floor) of 12 by 12 metres square working surface (incl. boundary lines)
- landing mats with a thickness of minimum 20cm to maximum 50 cm for the Men's Group Balance Exercise
- sufficient tables and chairs for all the various juries as requested by the President of the TC ACRO.
The floor (identical to an Artistic Gymnastics floor) and the landing mats must have been tested in one of the official FIG testing institutes, and conform to the FIG Apparatus Norms. It must be approved by the Executive Committee.
Apparatus and landing mats, conforming to the requisite standards, must be properly erected and maintained including the necessary appliances (CD / tape recorder, amplifiers, decibel counter etc.) for the purpose of musical accompaniment to Women's Floor Exercises and Rhythmic Gymnastics.
For Rhythmic Gymnastics, a zone of control must be provided for checking of the apparatus proposed to be used by the gymnasts. Personnel, qualified to carry out such checks, must also be provided.
The Competition area is accessible to the members of the various juries, competing gymnasts and their accredited coaches, to local group leaders, to the auxiliary personnel of the Jury, to the President of the FIG Medical Commission, to the official doctor, to the team doctors, and medical personnel, to persons concerned with the apparatus. All these persons must receive a special accreditation card. A team medical person is permitted to accompany the gymnasts and coaches during all Competitions.
Interpreters may not enter upon the competition area without the authority of the Technical President concerned. The Competition Area is strictly forbidden to all other persons.
(BOCOG)