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BS EN 536:2015 – TC:2020 Edition

$258.95

Tracked Changes. Road construction machines. Mixing plants for road construction materials. Safety requirements

Published By Publication Date Number of Pages
BSI 2020 147
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This European Standard specifies the safety requirements applicable to stationary and relocatable mixing plants for the production of materials (e.g. hot-mix asphalt, cold-mix asphalt, cement gravel) used for the construction and maintenance of traffic routes (roads, highways, sidewalks, airfields, etc.) water retaining works, dam walls, culverts, etc. This European Standard applies to the following types of mixing plant: a) hot Asphalt mixing plant; b) cold mixing plant (e.g. for production of cement gravel, cold mix asphalt); c) mixing plant for bituminous or non-bituminous reclaimed materials; d) mixing plant for mastic asphalt, also including natural asphalt. Machines moving during the working process (e.g. mobile mastic asphalt mixers) and crushers are not covered by this European Standard. Those types of asphalt mixing plants can also be combined or enlarged by additional installations (e.g. Plant for storage of binders (e.g. bituminous, synthetic, vegetal). This European Standard deals with all significant hazards pertinent to mixing plants, when they are used as intended and under the conditions of misuse which are reasonably foreseen by the manufacturer (see Clause 4). This European Standard specifies the appropriate technical measures to eliminate or reduce risks arising from the significant hazards. This European Standard does not apply to machines for the production of cement concrete and mortar as covered in EN 12151. This European Standard does not deal with hazards caused by flammable gases. As soon as information is available it will be included. This European Standard is not applicable to mixing plants for road construction materials, which are manufactured before the date of publication of this European Standard by CEN.

PDF Catalog

PDF Pages PDF Title
87 Contents Page
92 1 Scope
2 Normative references
94 3 Terms and definitions
97 4 List of significant hazards
100 5 Safety requirements and/or measures
5.1 General
5.2 Means of access
5.2.1 General
5.2.2 Mobile plants
101 5.2.3 Openings
5.2.3.1 Dimensions for passage openings
5.2.3.2 Access openings
102 5.2.3.3 Visual inspection openings
5.3 Guards
5.3.1 General
5.3.2 Fixed guards
5.3.3 Interlocking devices and interlocking devices with guard locking
103 5.4 Electrical installation
5.4.1 General
5.4.2 Electrical cables
5.4.3 Earthing
5.4.4 Isolation for maintenance purposes
5.5 Pneumatic
5.5.1 General
5.5.2 Energy isolation and dissipation
104 5.6 Hydraulic
5.6.1 General
5.6.2 Isolation and energy dissipation
5.7 Emergency stops
5.8 Hot parts
5.9 Piping
5.9.1 General
105 5.9.2 Piping for hot liquids
5.10 Control stations
5.10.1 General
5.10.2 Main control station
5.10.3 Starting
5.10.4 Stopping
106 5.10.5 Restarting
5.10.6 Troubleshooting
5.10.7 Maintenance mode
5.10.8 Alarms and warnings
5.11 Materials sampling
107 5.12 Restricted areas
5.13 Lifting, tie down and transport
5.13.1 General
5.13.2 Design of attachment points for transportation purpose
5.13.2.1 Tying-down and lifting attachment points (for transportable plants)
5.13.2.2 Towing attachment points (for mobile plants)
5.13.3 Location of tying-down and lifting attachment points for transportation purpose
108 5.13.4 Identification of tying-down and lifting attachment points for transportation purpose
5.13.5 Other lifting attachment points for handling purpose of components or other sub-assemblies
5.14 Transportable and mobile machines – Erecting equipment
5.15 Equipment for storage of constituent materials
5.15.1 Silos
109 5.15.2 Tanks
5.15.2.1 General
5.15.2.2 Heated tanks
5.15.2.3 Aggregate cold feed hoppers
110 5.16 Equipment for handling of constituent materials
5.16.1 Conveyor belts
111 5.16.2 Vibrating scalping screen
5.16.3 Rotating drums
5.16.3.1 General
112 5.16.3.2 Recycling ring
5.16.3.3 Counterflow drum mixer
5.16.3.4 Rollers adjustment
113 5.16.3.5 Maintenance
5.16.4 Bucket elevator
5.16.4.1 General
114 5.16.4.2 Maintenance
5.16.5 Screw conveyors
5.16.6 Rotary valve
5.16.7 Manually introduced additives
5.16.8 Screen
115 5.16.9 Hot aggregates storage
5.16.10 Equipment for metering
5.16.10.1 Dosing systems
5.16.10.2 Calibration
116 5.16.11 Water steam duct
5.16.12 Mixer
5.16.13 Mixing tower exhaustion
5.16.14 Lifting equipment
5.17 Equipment for handling of mixed material
5.17.1 Transfer skips
117 5.17.2 Skip Hoists
5.17.2.1 General
5.17.2.2 Means of access, passage
119 5.17.2.3 Maintenance and troubleshooting
5.17.2.4 Winch system
120 5.17.3 Drag slat conveyor
5.17.3.1 General
5.17.3.2 Means of access
5.17.3.3 Troubleshooting
5.18 Burner
121 5.19 Exhaust system
5.19.1 Exhaust fans
5.19.2 Dust collector
5.20 Safety signs
122 5.21 Hazard generated by noise
5.21.1 Noise reduction at source at the design stage
5.21.2 Noise reduction by protective devices
5.21.3 Noise reduction by information
6 Verification of safety requirements and/or measures
123 7 Information for use
7.1 General
7.2 Information for the foundations
124 7.3 Erection and transport instructions
7.3.1 Erection
7.3.2 Transport
7.4 Instructions for use
7.5 Information for maintenance
125 7.6 Tools and equipment
7.7 Spare parts and wear parts
7.8 Troubleshooting
7.9 Procedure in case of fire
8 Marking
8.1 Machine plate
126 8.2 Thermal heaters
8.3 Tanks and vessels
127 Annex A (normative)Minimum passage openings
A.1 Passage of the body
128 Annex B (normative)Noise test code – Grade 2
B.1 Scope
B.2 Determination of A-weighted emission sound pressure levels on a contour
B.2.1 Measurement method
B.2.2 Measurement positions on the contour
129 B.2.3 Measurement procedure
130 B.3 Determination of the A-weighted emission sound pressure level at workstations
B.3.1 Workstations
B.3.2 Measurement procedure
B.4 Measurement uncertainty
131 B.5 Installation conditions
B.6 Operating conditions
B.7 Information to be recorded
B.8 Information to be reported
B.9 Declaration of noise emission values
133 Annex C (informative)Examples for asphalt mixing plants and terminology
C.1 Stationary plant
134 C.2 Transportable plant
C.3 Mobile plant
C.3.1 Mobile plant assembled
135 C.3.2 Mobile plant during transportation
C.4 Batch plant
137 C.5 Continuous plant
139 Annex D (normative)Movable gratings
D.1 General
D.2 Safety requirements
D.2.1 General
D.2.2 Access
D.2.3 Controls
D.2.4 Maintenance
141 Annex E (informative)Pictorials
E.1 Examples
143 Annex F (normative)Performance levels of the safety related parts of control system
144 Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC
BS EN 536:2015 - TC
$258.95