Common use of Equivalent test methods Clause in Contracts

Equivalent test methods. If a method other than that described in paragraph 2. above is used, its equivalence must be demonstrated. Endurance-test programme Load index Tyre speed category symbol Test-drum speed Load placed on the wheel as a percentage of the load corresponding to the load index Radial-ply km.h-1 Diagonal (bias-ply) km.h-1 7 h. 16 h. 24 h. 122 or more F G J K L M 32 40 48 56 64 72 32 32 40 48 - - 66 % 84 % 101 % 121 or less F G J K 32 40 48 56 32 40 48 56 L M N P 64 80 88 96 56 64 - - 70 % 4 h. 75 % 75 % 75 % 88 % 6 h. 97 % 97 % 97 % 106 % 114 % 114 % 114 % (1) Special-use" tyres (see paragraph 2.1. (c) of this Regulation) should be tested at a speed equal to 85 per cent of the speed prescribed for equivalent normal tyres. (2) Tyres with load index 122 or more, speed category symbols N or P and the additional marking "LT", or "C", referred to in paragraph 3.1.14. of this Regulation, shall be tested with the same programme as specified in the above table for tyres with load index 121 or less. 20 1.4 140 25 1.7 170 30 2.1 210 35 2.4 240 40 2.8 280 45 3.1 310 50 3.4 340 55 3.8 380 60 4.1 410 65 4.5 450 70 4.8 480 75 5.2 520 80 5.5 550 85 5.9 590 90 6.2 620 95 6.6 660 100 6.9 690 105 7.2 720 110 7.6 760 115 7.9 790 120 8.3 830 125 8.6 860 130 9.0 900 135 9.3 930 140 9.7 970 145 10.0 1 000 150 10.3 1 030 ... ... ... (See paras. 2.30. and 2.32.)

Equivalent test methods. If a method other than that described in paragraph 2. above is used, its equivalence must be demonstrated. 39 Annex 7 - Appendix 1 Endurance-test programme Load index Tyre speed category symbol Test-drum speed Load placed on the wheel as a percentage of the load corresponding to the load index Radial-ply km.h-1 Diagonal (bias-ply) km.h-1 7 h. 16 h. 24 h. 122 or more F G J K L M 32 40 48 56 64 72 32 32 40 48 - - 66 % 84 % 101 % 121 or less F G J K 32 40 48 56 32 40 48 56 L M N P 64 80 88 96 56 64 - - 70 % 4 h. 75 % 75 % 75 % 88 % 6 h. 97 % 97 % 97 % 106 % 114 % 114 % 114 %% Notes: (1) Special-use" tyres (see paragraph 2.1. (c) of this Regulation) should be tested at a speed equal to 85 per cent of the speed prescribed for equivalent normal tyres. (2) Tyres with load index 122 or more, speed category symbols N or P and the additional marking "LT", or "C", referred to in paragraph 3.1.14. of this Regulation, shall be tested with the same programme as specified in the above table for tyres with load index 121 or less. 40 Annex 7 - Appendix 2 Relation between the pressure index and the units of pressure Pressure Index ("PSI") Bar kPa 20 1.4 140 25 1.7 170 30 2.1 210 35 2.4 240 40 2.8 280 45 3.1 310 50 3.4 340 55 3.8 380 60 4.1 410 65 4.5 450 70 4.8 480 75 5.2 520 80 5.5 550 85 5.9 590 90 6.2 620 95 6.6 660 100 6.9 690 105 7.2 720 110 7.6 760 115 7.9 790 120 8.3 830 125 8.6 860 130 9.0 900 135 9.3 930 140 9.7 970 145 10.0 1 000 150 10.3 1 030 ... ... ... Annex 8 Variation of load capacity with speed commercial vehicles tyres - Radial and diagonal (See paras. 2.30. and 2.32.) Variation of load capacity (per cent)

Equivalent test methods. If a method other than that described in paragraph 2. above is used, its equivalence must be demonstrated. Endurance-test programme Load index Tyre speed category symbol Test-drum speed Load placed on the wheel as a percentage of the load corresponding to the load index Radial-ply km.h-1 Diagonal (bias-ply) km.h-1 Annex 7 h. 16 h. 24 h. - Appendix 1 122 or more F G J K L M 32 40 48 56 64 72 32 32 40 48 - - 66 % 84 % 101 % 121 or less F G J K 32 40 48 56 32 40 48 56 L M N P 64 80 88 96 56 64 - - 70 % 4 h. 75 % 75 % 75 % 88 % 6 h. 97 % 97 % 97 % 106 % 114 % 114 % 114 % (1) Special-use" tyres (see paragraph 2.1. (c) of this Regulation) should be tested at a speed equal to 85 per cent of the speed prescribed for equivalent normal tyres. . (2) Tyres with load index 122 or more, speed category symbols N or P and the additional marking "LT", or "C", referred to in paragraph 3.1.14. of this Regulation, shall be tested with the same programme as specified in the above table for tyres with load index 121 or less. 20 1.4 140 25 1.7 170 30 2.1 210 35 2.4 240 40 2.8 280 45 3.1 310 50 3.4 340 55 3.8 380 60 4.1 410 65 4.5 450 70 4.8 480 75 5.2 520 80 5.5 550 85 5.9 590 90 6.2 620 95 6.6 660 100 6.9 690 105 7.2 720 110 7.6 760 115 7.9 790 120 8.3 830 125 8.6 860 130 9.0 900 135 9.3 930 140 9.7 970 145 10.0 1 000 150 10.3 1 030 ... ... ... (See paras. 2.30. and 2.32.)) Speed (km/h) All load indices Load indices ≥ 1221 Load indices ≤ 1211 Speed category symbol Speed category symbol Speed category symbol F G J K L M L M N P2 0 +150 +150 +150 +150 +150 +150 +110 +110 +110 +110 5 +110 +110 +110 +110 +110 +110 +90 +90 +90 +90 10 +80 +80 +80 +80 +80 +80 +75 +75 +75 +75 15 +65 +65 +65 +65 +65 +65 +60 +60 +60 +60 20 +50 +50 +50 +50 +50 +50 +50 +50 +50 +50 25 +35 +35 +35 +35 +35 +35 +42 +42 +42 +42 30 +25 +25 +25 +25 +25 +25 +35 +35 +35 +35 35 +19 +19 +19 +19 +19 +19 +29 +29 +29 +29 40 +15 +15 +15 +15 +15 +15 +25 +25 +25 +25 45 +13 +13 +13 +13 +13 +13 +22 +22 +22 +22 50 +12 +12 +12 +12 +12 +12 +20 +20 +20 +20 55 +11 +11 +11 +11 +11 +11 +17.5 +17.5 +17.5 +17.5 60 +10 +10 +10 +10 +10 +10 +15.0 +15.0 +15.0 +15.0 65 +7.5 +8.5 +8.5 +8.5 +8.5 +8.5 +13.5 +13.5 +13.5 +13.5 70 +5.0 +7.0 +7.0 +7.0 +7.0 +7.0 +12.5 +12.5 +12.5 +12.5 75 +2.5 +5.5 +5.5 +5.5 +5.5 +5.5 +11.0 +11.0 +11.0 +11.0 80 0 +4.0 +4.0 +4.0 +4.0 +4.0 +10.0 +10.0 +10.0 +10.0 85 -3 +2.0 +3.0 +3.0 +3.0 +3.0 +8.5 +8.5 +8.5 +8.5 90 -6 0 +2.0 +2.0 +2.0 +2.0 +7.5 +7.5 +7.5 +7.5 ▇▇ -▇▇ -▇.▇ +1.0 +1.0 +1.0 +1.0 +6.5 +6.5 +6.5 +6.5 100 -15 -5 0 0 0 0 +5.0 +5.0 +5.0 +5.0 ▇▇▇ - -▇ -▇ 0 0 0 +3.75 +3.75 +3.75 +3.75 110 - -13 -4 0 0 0 +2.5 +2.5 +2.5 +2.5 ▇▇▇ - - -▇ -▇ 0 0 +1.25 +1.25 +1.25 +1.25 ▇▇▇ - - -▇▇ -▇ 0 0 0 0 0 0 125 - - - - - 0 -2.5 0 0 0 130 - - - - - 0 -5.0 0 ▇ ▇ ▇▇▇ - - - - - - -▇.▇ -▇.▇ ▇ ▇ ▇▇▇ - - - - - - -▇▇ -▇ 0 ▇ ▇▇▇ - - - - - - - -▇.▇ -▇.▇ 0 150 - - - - - - - -10.0 -5.0 ▇ ▇▇▇ - - - - - - - - -▇.▇ -▇.▇ 160 - - - - - - - - -10.0 -5.0 1 The load capacity indices refer to a single operation. 2 Load variations are not allowed for speeds above 160 km/h. For speed category symbols "Q" and above the speed category corresponding to the speed category symbol (see paragraph 2.31.2.) specifies the maximum speed permitted for the tyre. (Maximum format: A4 [210 x 297mm]) Issued by (Name and address of tyre manufacturer): ................................................................................................................................................... Declaration: The tyre corresponding to the following details has been approved to operate at a higher service description than that of the tyre originally approved. It is therefore permitted, subject to any limitations given in paragraph 4.1.1. below, for a tyre bearing the original service description and approval number, to be retreaded to the upgraded service description. It is also agreed that this information may be released by an approval authority to any retreading production unit that is approved in accordance with UN Regulation No. 109. 1. Manufacturer's name: .. 2. Manufacturer's tyre type designation: 2.1. Brand name(s)/trademark(s): 2.2. Trade description(s)/ Commercial name(s)/ 3. Tyre Size designation: ................................................ 3.1. Category of use (Normal, Snow or Special): ............................ 4. Service description 4.1. Original tyre: Approval No. pursuant to UN Regulation No. 54. .......................... . Granted by: ........................................................... 4.1.1. Where applicable, the production plant in which tyres suitable for upgrading were produced, the production periods concerned, and the means of identifying either or both of these issues: