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BS EN 12609:2021

BS EN 12609:2021

$198.66

Truck mixers. Safety requirements

Published By Publication Date Number of Pages
BSI 2021 56
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1.1

This document specifies the safety requirements for truck mixers.

This document also covers the interface between the mixing unit and the truck or trailer (but not the truck or trailer itself).

NOTE 1 Truck or trailer constructed primarily for the carriage of goods as classified according to directive 2007/46/EC, category N3 or O4.

This document does not cover:

  1. additional equipment (conveyor belt, mortar pump, concrete pump, concrete-placing boom);

  2. requirements for operation in tunnels;

  3. truck or self-propelled mixers equipped with self-loading systems;

  4. front-discharge mixers;

  5. mixing units with articulated steering;

  6. truck mixer drum cleaning systems;

  7. energy source(s).

This document does not deal with carrier vehicles, e.g. trucks, tractors, construction machinery and mobile industrial handling equipment or other self-propelled vehicles.

This document does not include requirements which are covered in directives related to the construction of vehicles or national road regulations.

NOTE 2 The use in public road traffic is governed by the national regulations.

1.2

This document deals with all significant hazards, hazardous situations and events relevant to truck mixers when they are used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex D). This document specifies the appropriate technical measures to eliminate or reduce risks arising from the significant hazards during transportation, assembly, dismantling, disabling, scrapping, operation and maintenance of the truck mixer.

1.3

This document is not applicable to machines which are manufactured before the date of publication of this document by CEN.

1.1

This document specifies the safety requirements for truck mixers.

This document also covers the interface between the mixing unit and the truck or trailer (but not the truck or trailer itself).

NOTE 1 Truck or trailer constructed primarily for the carriage of goods as classified according to directive 2007/46/EC, category N3 or O4.

This document does not cover:

  1. additional equipment (conveyor belt, mortar pump, concrete pump, concrete-placing boom);

  2. requirements for operation in tunnels;

  3. truck or self-propelled mixers equipped with self-loading systems;

  4. front-discharge mixers;

  5. mixing units with articulated steering;

  6. truck mixer drum cleaning systems;

  7. energy source(s).

This document does not deal with carrier vehicles, e.g. trucks, tractors, construction machinery and mobile industrial handling equipment or other self-propelled vehicles.

This document does not include requirements which are covered in directives related to the construction of vehicles or national road regulations.

NOTE 2 The use in public road traffic is governed by the national regulations.

1.2

This document deals with all significant hazards, hazardous situations and events relevant to truck mixers when they are used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex D). This document specifies the appropriate technical measures to eliminate or reduce risks arising from the significant hazards during transportation, assembly, dismantling, disabling, scrapping, operation and maintenance of the truck mixer.

1.3

This document is not applicable to machines which are manufactured before the date of publication of this document by CEN.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
11 3 Terms, definitions, symbols and abbreviated terms
13 4 Safety requirements and/or protective measures
4.1 General requirements
4.1.1 General
14 4.1.2 Mechanical hazards
4.1.2.1 Risk of slipping
4.1.2.2 Risk of entanglement, crushing, shearing
15 4.1.2.3 Risk of impact, risk of injection
4.1.3 Electrical hazards
4.1.4 Thermal hazards
4.1.5 Noise
4.1.5.1 Noise reduction at the design stage
4.1.5.2 Information on noise emission
4.1.6 Electromagnetic compatibility (EMC)
16 4.2 Control system
4.2.1 Stop system
4.2.1.1 Normal stop
4.2.1.2 Emergency stop
4.2.1.3 Starting of the machinery
4.2.1.4 Restarting of the machinery
4.2.1.5 Devices for switching off for prevention of unexpected start-up
4.2.2 Multiple control stations
17 4.2.3 Cable-less remote control
4.3 Manual control devices for emergency operation
4.4 Positioning of control devices
4.4.1 Control devices at the work station
4.4.2 Other control devices
4.5 Working lights
4.6 Additional removable equipment
4.7 Interface mixer unit and truck or trailer
18 4.8 Mixer drum
4.8.1 Manhole
4.8.2 Mixer drum-locking device
4.8.3 Mixer drum opening
4.8.3.1 Fixed guard at mixer drum opening
19 4.8.3.2 Use of truck mixer drum cleaning system
4.9 Flip-over chute
4.10 Swivel chute
4.11 Mixer drum closure system
4.12 Power transmission from the power source to the mixer drum drive system
4.13 Water system
4.14 Exhaust system of the auxiliary engine
20 4.15 Platform at the charging hopper
4.16 Tread at rear underrun protective device
4.17 Visual aid
21 5 Verification of safety requirements and/or protective measures
22 6 Information for use
6.1 General
6.2 Instruction handbook
6.2.1 General
23 6.2.2 Noise
24 6.2.3 Operation
6.2.3.1 Operation modes
6.2.3.2 Operating process
6.2.3.3 Emergency stop
25 6.2.4 Maintenance and repair
6.2.4.1 General
6.2.4.2 Information for works inside the mixer drum
6.2.4.3 Hydraulic system
6.2.4.4 Pneumatic system
26 6.2.4.5 Periodic safety inspection
6.3 Information and warnings
6.3.1 Labelling for the control device
6.3.2 Warnings
6.4 Marking
27 Annex A (informative)Figures
28 A.1 Typical design
29 A.2 Types of drive, diagrams
30 A.3 Dimensions for access ladder to platform
31 A.4 Minimum clearance ‘a’ depending on distance ‘W’ to the reference plane, according to Table 1
A.5 Cross-sections (view from cabin side) of the truck mixer to indicate the positions of the manhole when the mixer drum is locked by the mixer drum-locking device
32 A.6 Fixed guard at mixer drum opening
33 A.7 Minimum clearance between mixer drum roller cover and mixer drum track ring
34 A.8 Minimum clearance between mixer drum and supporting arm
35 A.9 Minimum clearance between mixer drum and charging hopper bracket
36 A.10 Minimum clearance between mixer drum and discharge hopper
37 A.11 Minimum clearance between mixer drum and guard rail at platform
38 A.12 Minimum distance between mixer drum closure system and discharge hopper
39 A.13 Minimum clearance between mixer drum and additional equipment
41 A.14 Minimum clearance between mixer drum and rear splash guard
A.15 Minimum dimensions of the visibility test rectangle (VTR)
42 A.16 Example of flip-over chute
43 A.17 Example of technical solution for enforced two-hand operation to bring the flip-over chute to its lowered end position
44 Annex B (normative)Noise-test code for truck mixers
B.1 Scope
B.2 Determination of the A-weighted sound-power level
B.2.1 General
45 B.2.2 Measurement surface and microphone positions
B.2.3 Period of observation
B.3 Determination of the A-weighted emission sound pressure level at the work station
B.3.1 General
B.3.2 Machine work station
B.3.3 Period of observation
46 B.4 Measurement procedure and operating conditions
B.4.1 Specific measurement procedure for truck mixers powered by a truck engine
B.4.2 Measurement procedure for mixer units not powered by a truck engine
B.4.3 Operating conditions during test
B.4.4 Fan speed
B.5 Information to be recorded during the test
B.6 Information to be reported
47 B.7 Declaration and verification of noise emission values
48 Annex C (informative)Example of a noise emission declaration
49 Annex D (informative)List of significant hazards
52 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered

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BS EN 12609:2021
$198.66