RAILWAY OR TRAMWAY LOCOMOTIVES, ROLLING STOCK AND PARTS THEREOF; RAILWAY OR TRAMWAY TRACK FIXTURES AND FITTINGS AND PARTS THEREOF; MECHANICAL (INCLUDING ELECTROMECHANICAL) TRAFFIC SIGNALLING EQUIPMENT OF ALL KINDS (HS code(s): 86); Railway engineering in general (ICS code(s): 45.020)

MEDC 9 (2040) DTZS/ SADC SARA HT 95: 2017, MEDC 9 (2040) CD2/ SADC SARA HT: 95: 2017 – Railway Safety Management – Technical Requirements for Engineering and Operational Standards – Operational Principles for Safe Movement On Rail., First Edition; (24 page(s), in English)

This standard covers the minimum requirements for operational principles for safe movement on rail. It includes the operational requirements to be complied with to ensure that operational safety is appropriately addressed in all operational circumstances.

The development, amendment or withdrawal of a train operating standard or procedure comprises the following:

a) Receipt of a request;

b) Initial assessment of the request;

c) Conditions;

d) Exclusion criteria;

e) Approval in principle; and

f) Life cycle phases.

The following principles and related aspects are applicable in each phase of the life cycle described in this standard

a) Behavioural principles and related aspects;

b) Communication;

c) Actions before the intended train or shunt movement;

d) Actions during the train or shunt movement;

e) Safety of rolling stock whilst stationary; and

f) Abnormal working and degraded mode