Download BS EN 474-10-2006+A1-2009 Earth-moving machinery — Safety — .pdf PDF

TitleBS EN 474-10-2006+A1-2009 Earth-moving machinery — Safety — .pdf
TagsMachine (Mechanical) Technology
File Size422.8 KB
Total Pages20
Document Text Contents
Page 1


machinery — Safety —
Part 10: Requirements for trenchers

ICS 53.100

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BS EN 474-10:2006+A1:2009

This British Standard was
published under the authority
of the Standards Policy and
Strategy Committee
on 28 February 2007

© BSI 2009

ISBN 978 0 580 62374 5

National foreword

This British Standard is the UK implementation of EN 474-10:2006+A1:2009.
It supersedes BS EN 474-10:2006, which is withdrawn.

The UK participation in its preparation was entrusted by Technical Committee
B/513, Construction equipment and plant and site safety, to Subcommittee
B/513/1, Earth moving machinery (International).

A list of organizations represented on this subcommittee can be obtained on
request to its secretary.

This publication does not purport to include all the necessary provisions of a
contract. Users are responsible for its correct application.

Compliance with a British Standard cannot confer immunity from
legal obligations.

Amendments/corrigenda issued since publication

Date Comments

The start and finish of text introduced or altered by amendment is indicated
in the text by tags. Tags indicating changes to CEN text carry the number
of the CEN amendment. For example, text altered by CEN amendment A1 is
indicated by . A1A1

May 2009 Implementation of CEN amendment A1:200931

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EN 474-10:2006+A1:2009 (E)


5.2.2 Roll-over protective structure (ROPS)

A roll-over protective structure (ROPS) shall be fitted. Force and energy equation shall be according to
Table 1, no. 3 of !EN ISO 3471:2008".

The operator’s station of trenchers with an elevating operator's station shall meet the requirements
of !EN 474- 1:2006+A1:2009", Annex D.

5.2.3 Operator's seat General

!EN 474-1:2006+A1:2009", applies with the exceptions in and Adjustment Seat with a longitudinal position

For machines with an operating mass according to !ISO 6016:2008" < 3 500 kg the adjustment range
shall comply with !EN 474-1:2006+A1:2009", for compact machines. Seat with a transversal position

Fore and aft adjustment is not required. Vibration

!EN 474-1:2006+A1:2009", applies with the following addition that the seat shall comply
with !EN ISO 7096:2008", input spectral class EM 6. Additional/separate operator's station

If a separate operator’s station is required for control of special attachment, the following exceptions apply to
this separate operator's station

 a separate cab is not required (!EN 474-1:2006+A1:2009", 5.3.1 does not apply);

 a roll-over protective structure is not required (!EN 474-1:2006+A1:2009", 5.3.3 does not apply);

 falling object protective structures are not required (!EN 474-1:2006+A1:2009", 5.3.4 does not apply).

5.2.4 Operator’s controls General

!EN 474-1:2006+A1:2009", 5.5.1 applies with the additions in and Engine stop

If a separate seat for special attachment is provided (e. g. backhoe equipment) an additional engine stopping
device shall be fitted if the normal stopping device is not within the zone of reach according
to !EN ISO 6682:2008" from the separate seat. Deactivation device

!EN 474-1:2006+A1:2009", 5.5.3 applies with the addition that the deactivation device shall stop machine
travel and attachment movement when the operator leaves the operator’s station.

Page 11

EN 474-10:2006+A1:2009 (E)


5.2.5 Stability

!EN 474-1:2006+A1:2009", 5.11 applies with the exception that for backhoe equipment on trenchers the
second paragraph of 5.11 does not apply.

5.3 Protective bar

!EN 474-1:2006+A1:2009", 5.14.3 applies with the provision that a protective bar as defined in 3.2 shall
be fitted over the top on the whole length of the trenching attachment. A restraint bar or trench cleaner bar as
shown in ISO 13539:1998 satisfy this requirement.

5.4 Pedestrian-controlled trenchers

5.4.1 Operator's station

!EN 474-1:2006+A1:2009",, and do not apply for pedestrian-controlled machines.

5.4.2 Controls General

!EN 474-1:2006+A1:2009", 5.5 applies with the additions in and Automatic stop

Pedestrian controlled trenchers shall be equipped with a hold-to-run device to stop machine travel and
hazardous tool movement if the operator releases the operator's controls. Design of the controls shall take
into account the hazards from inadvertent movement of the machine towards the operator. Speed limit

The forward speed of pedestrian controlled machines shall not exceed 6 km/h by design. The speed for
travelling towards the operator's position shall not exceed 2,5 km/h by design.

5.4.3 Brake system

Brake system shall comply with the requirement of ISO 17063:2003.

5.4.4 Lighting

!EN 474-1:2006+A1:2009", 5.8.2 does not apply for pedestrian-controlled trenchers. If provided lighting,
signalling and marking lights shall comply with the appropriate clauses of ISO 12509:2004.

5.4.5 Warning devices and safety signs

!EN 474-1:2006+A1:2009", 5.9, first indent does not apply for pedestrian-controlled trenchers. Safety
signs shall be in accordance with Annex C of !EN 474-1:2006+A1:2009".

5.4.6 Retrieval, transportation, lifting and towing

!EN 474-1:2006+A1:2009", 5.15 applies with the exception that 5.15.2 and 5.15.5 do not apply to
pedestrian-controlled trenchers.

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