The Road Vehicles (Construction and Use) Regulations 1986

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defined in that Annex, or a vehicle referred to in paragraph 1(b) unless it is first used on or after
1st April1991.
(6) The apparatusprescribed for the purposes of paragraph 3(a)and regulations 56(2)(a) and
57(2)(a)is a sound level meter of the type described in Publication No. 179 of theInternational
Electrotechnical Commission, in either its first or second edition,a sound level meter complying
with the specification for Type 0 or Type 1in Publication No. 651 (1979) “Sound Level Meters”
of the InternationalElectrotechnical Commission, or a sound level meter complying with the
specificationsof the British Standard Number BS 5969:1981 which came into effect on 29thMay
1981.
(7) Insteadof complying with the preceding provisions of this regulation a vehicle maycomply
at the time of its first use with Community Directive 77/212, 81/334, 84/372 or 84/424.
Noise limits—agricultural motor vehicles and industrial tractors
56.—(1) Save asprovided in regulation 59,this regulation applies to every wheeled vehicle first
used on or after 1stApril 1983 being an agricultural motor vehicle or an industrial tractor, otherthan—
(a) anagricultural motor vehicle which is first used on or after 1st June 1986 andwhich is
driven at more than 20 mph; or
(b) aroad roller.
(2) Everyvehicle to which this regulation applies shall be so constructed—
(a) thatits sound level does not exceed—
(i) if it is a vehicle with engine power of less than 65kW, 89 dB(A);
(ii) if it is a vehicle with engine power of 65kW or more, and first used before1st October
1991, 92 dB(A); or
(iii) if it is a vehicle with engine power of 65kW or more, and first used on orafter 1st
October 1991, 89 dB(A),
when measured under the conditions specified in paragraph I.3 of Annex VI of Community
Directive 74/151by the method specified in paragraph I.4.1of that Annex using the
apparatus prescribed in regulation 55(6);and
(b) thatthe device designed to reduce the exhaust noise meets the requirements specifiedin
paragraph II.1of that Annex and, if fibrous absorbent material is used, the
requirementsspecified in paragraphs II.4.1 to II.4.3of that Annex.
Noise limits—motor cycles
57.—(1) Save asprovided in regulation 59,paragraph (2) of this regulation applies to every motor
vehicle first usedon or after 1st April 1983 which is—
(a) amoped; or
(b) atwo-wheeled motorcycle, whether or not with sidecar attached, which is nota moped.
(2) Everyvehicle to which this paragraph applies shall be so constructed that—
(a) itssound level does not exceed the relevant limit specified in column 2(a) or (b), asthe case
may be, in item 1 of the Table when measured under the conditionsspecified in column 3
in that item by the method specified in column 4 inthat item using the apparatus prescribed
in regulation 55(6);and
(b) thedevice designed to reduce the exhaust noise meets the requirements specifiedin column
5.
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