A client has requested a new car trailer design that he wishes to manufactur that should:

Be lightweight and easy for one person to lift $($when empty$)$ and manoeuvre

be able to carry up to $500$ kg with a flat$-$bed dimension of $2m1\mathrm{.}2m$ and permanent side height of $0\mathrm{.}5$ m

be fitted with an appropriate lighting system, wheels and standard towing hitch

be constructed with strong, durable and weather resistant materials

be simple and low cost to manufacture and assemble

a$)$ Produce a design specification from a given design brief for

Mechanical aspects including materials, chassis, wheels, structure

Electrical aspects

b$)$ Although this client has given some specific detail about what they want, but it is still important to involve the client during the production of the design specification. Explain the influence of the stakeholder's design brief and requirements in the preparation of the design specification.

c$)$ Using project management $($PM$)$ soffware produce a design project schedule with a graphical illustration, such as a Gantt chart of the planned activities