ISO 20650:2025
(Main)Inland navigation vessels — Small floating working machines — Requirements and test methods
Inland navigation vessels — Small floating working machines — Requirements and test methods
This document is applicable to small floating working machines used for work in, over, or on, inland waters. This document specifies safety-related requirements and test methods. This document specifies minimum requirements for small floating working machines with a length of 3, with temporarily or permanently installed work equipment or machines used on inland waters. These small floating working machines can be used for activities such as extraction work, lifting work, sampling, mowing and clearing work or comparable tasks.
Titre manque
General Information
Standards Content (Sample)
International
Standard
ISO 20650
First edition
Inland navigation vessels — Small
2025-05
floating working machines —
Requirements and test methods
Reference number
© ISO 2025
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Published in Switzerland
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Contents Page
Foreword .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 General requirements . 3
4.1 General requirements .3
4.2 Strength .3
4.3 Stability .4
4.4 Residual safety clearance.4
4.5 Residual freeboard .4
4.6 Sinking resistance .4
4.7 Draught marks .4
4.8 Manoeuvring characteristics . .4
4.9 Driving noise of the small floating working machine .4
4.10 Alarm signal .4
4.11 Stability and strength of working equipment .5
5 Steering system . 5
5.1 General .5
5.2 Drive unit of the steering system . .5
5.3 Indicators and monitoring devices .5
5.4 Penetrations for the rudder stocks .5
6 Helm station . 6
6.1 General .6
6.2 Unobstructed view .6
6.3 Control, indicating and monitoring equipment .8
6.3.1 General requirements .8
6.3.2 Specific requirements concerning control and monitoring equipment of main
engines .8
6.4 Elevating helm stations .8
7 Engine rooms . 9
7.1 General .9
7.2 Fire protection .9
7.3 Heat detector .9
8 Requirements on engine design . 9
8.1 General .9
8.2 Safety equipment .9
8.3 Propulsion systems .9
8.4 Engine exhaust systems of internal combustion engines .10
8.5 Fuel tanks, pipes and accessories for liquid fuels or hydraulic oils.10
8.6 Tanks, pipes and accessories for LPG .10
8.6.1 General .10
8.6.2 Cylinders .11
8.6.3 Fuel system components .11
8.6.4 Installation .11
8.6.5 Installation of cylinders . 12
8.6.6 Gas pipes and hoses . 13
8.6.7 Electro installation.14
8.6.8 Gas detection .14
8.6.9 Forced ventilation . 15
8.7 Bilge pumping and draining systems . 15
8.8 Penetrations for the propeller shafts . 15
9 Electrical equipment and installations .15
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9.1 General . 15
9.2 Protection against access to hazardous parts, against solid foreign objects, against
ingress of water .16
9.3 Maximum permissible voltages . .16
9.4 Generators, engines and transformers .17
9.5 Accumulators (batteries) and their charging devices .17
9.6 Switchgears .19
9.6.1 Switchboards .19
9.6.2 Switches, protective devices .19
9.6.3 Placement of switchboards .19
9.7 Installation fittings .19
9.8 Cables, insulated cables and cable systems .19
9.9 Lighting installations . 20
9.10 Navigation lights . 20
9.11 Additional requirements for electronic installations . 20
10 Special provisions applicable to electric vessel propulsion motor .20
10.1 General . 20
10.2 Generators, transformers and switchgear for electric vessel propulsion .
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