Question

1. Using your operating system’s knowledge; propose a system in which both road traffic and trains can use the same bridge without any accidents
2. Identify the factors you have considered for proposing the solution. Explain the role /effect of these factors

Answer 1

• The design of bridges can be interpreted such that the structure or element will:
• not require major repair or replacement of elements,except to the extent specified at the time of design.
• requires only normal,routine maintenance
• be fully functional,to the extent intended at design,including any inherent planning for the future.
• blend and harmonise with the existing surrounds and any planned landscapping,to the extent envisaged at the time of design.
• The risk factors are as follows:
• Inappropriate and excessive speed.
• presence of alcohol,medicidal drugs.
• poor eyesight of road users.
• defects in road design,layout and maintainence,which can also lead to unsafe behavior by road users.
• insufficient vehicle crash protection for occupants and for those hit by vehicles.