Part V. EQUIPMENT OF COMPETITION VENUES

Article 45. The Tatami (the Wrestling Mat)

1. The tatami or the wrestling mat shall be no less than 11 х 11 metres. The contest area of the tatami or the wrestling mat, where contests are taking place, shall be a rectangle of 6 to 9 metres. The safety area (the other than the contest area part of the tatami or the wrestling mat) shall be a minimum of 2.5 metres wide on all four sides of the contest area.
The tatami, the wrestling mat made of a synthetic material, shall be smooth and no less than 5 centimeters thick. Mats of the tatami or the wrestling mat must be tightly aligned and securely fixed. The joints shall be free of cavities or projections.
The border of the tatami or the wrestling mat (the contest area) must be clearly marked by a line (or the safety area). The border line of the tatami shall be no less than 10 cm wide. This line (or the area) is included into the contest area.
2. In case the contest takes place on the wrestling mat, its surface should be covered by a spread made of a strong soft cloth or a synthetic material without rough stitches. The spread shall be tautened and securely fixed. The spread must be disinfected.
Two opposite corners of the mat (the tatami) shall be marked red and blue (red shall be to the left of the referee table, blue - to the right of the referee table).
3. A soft runner (or gym mats) no less than 1 metre wide and no less than 5 cm thick, but no thicker than the tatami (the mat), should be gaplessly laid down around the tatami (the mat) and fastened to it, for protection against bruises.
4. The ground, on which the tatami (the mat) is to be mounted, shall be broader than the tatami (the mat) no less than 2.5 metres on all four sides of the tatami (the mat).
In order to avoid possible injuries, no foreign objects shall be allowed at a distance of 2 metres around the tatami (the mat). Spectators shall not be situated nearer than 3 metres from the tatami (the mat).
5. In case the competition is hold on a platform, it shall be no more than 1 metre in height. Lateral sides of the plaform shall have an outward inclination of 45 degrees.
6. No less than 1 stool (for cornermen) must be available in the red and blue corners of the tatami (the mat).
7. The referee table of the tatami shall be placed near the contest area, but not closer than 2.0 m from the tatami. A gong or an audibly signalling device and two timing devices shall be positioned on the table.

Article 46. Obstacle Course

1 – start
2 – the labyrinth: L = 4-2 m, width – 2 m, passages in the labyrinth – 0.5 m.
3 – the fence: L = 3 m, Н = 2 m.
4 – the horizontal tube: L = 3 m, d = 0.8 m.
5 – the manual ladder: Н = 2.5 m,  L = 4 m, width – 0.5-0.6 m.
6 – the standby space for another obstacle
7 – shooting (air pistol, paintball gun)
8 – knife throwing
9 – the boom (the balance beam): Н = 0.9-1.0 m, L = 5 m, the inclined board – 1.3 m, surface width – 0.2-0.25 m.
10 – the inclined net: Н = 5-6 m, L = 10 m, slope angle - 600, hole d – 0.7 m.
11 – the rope: Н = 5-6 m.
12 – the tatami 11х11 m.

Article 47. Requirements for the Competition Venues

1. Daylight factor of the hall shall be 1:5, 1:6, artificial lighting – no less than 600 lux. The tatami must be illuminated from above with reflected-light luminaire or diffuse light luminaire equipped with a guard net.
2. In case the competition is held indoors, the temperature should range between +15 and +25 degrees centigrade, air humidity shall be no less than 60 per cent.
Ventilation must provide triple air change per hour.
3. In case the competition is held outdoors, the temperature should range between +15 and +25 degrees centigrade. The sports ground should be protected against direct sunlight.
4. The distance between ropes and walls or other objects shall be no less than 2.0 m.
5. Spectators shall not be situated nearer than 3.0 m from the sports ground.
6. Fitness of the tatami for the competition shall be estimated by the Chief Referee, the representative of the sports facilities and the Head Doctor of the competition and shall be recorded in a special report (see Appendix 9).

Article 48. Audible Signalling Device, Weigh-in Scales, Timing Devices

1. The audible signalling device (gong) may be of any type, but should have good audio quality.
2. Weigh-in scales must be in good order and accurately adjusted. The number of weigh-in scales shall be determined by the Refereeing Commission.
3. Timing devices or electronic timing devices shall be capable of stopping and starting without resetting minute (second) readings till the end of the contest.

Article 49. Scoreboard

1. For informing spectators and participants about the contest, a scoreboard (or an electronic scoreboard), indicating scores awarded to the contestants in the course of a contest, shall be positioned in the place most convenient for the Refereeing Commission of the competition and the spectators.
2. The surface of the scoreboard must have a white background, on which pink and blue circles with correspondingly dark red and dark blue digits and letters should be clearly visible.
3. Digits and letters shall be written on the circles as referred to in Art. 27 herein above, which shall correspond with the scores awarded to the contestants for technical actions and warnings:
    - “3”, “2”, “1”     - points awarded for technical actions;
    - “Ar”                  - activity by the decision of the Referees;
    - “P1”, “P2”        - points awarded for the first and second warning given to the opponent.
4. Circles 9 cm in diameter shall be made of cardboard, plywood or plastic. They shall be aligned on the scoreboard 5 circles in a line with an interval of 12 cm, circles bearing scores “3” and “2” shall be placed on the upper line, circles bearing scores “1” and “Ar” shall occupy the next two lines. The distance between the lines shall be 12 cm. The lowest line shall serve for indicating points awarded for warnings, and the distance between it and the upper line shall be 15 cm.
5. A blue strip 1.5 cm wide shall be drawn on four sides of the scoreboard and upright in the middle. Pink circles with red symbols shall be placed on the left side of the scoreboard and the blue circles with dark blue symbols – on the right side.
6. The scoreboard shall be 150 cm х 100 cm. It shall be positioned upright in such a way that its bottom edge is 1.0 m above the floor.