Who do the quantity survey usually?

Basically "Quantity Surveyor" is a professional usually works within the construction industry.We can easily understand more by his role :managing the costs and finances of a project, calculating quantities eg.
how many bricks will be needed for a house, advising clients on procurement routes and deciding which contractor does a particular project once tender documentation is received.So these roles are only fulfilled by a "CIVIL ENGINEER".

the Quantity Surveyor

A Quantity surveyor who do construction project cost planning, cost controlling, Quantity take off by standard method of measurement, contractual claims, final billing and do all kind of contracts activities.

survey the quantity through the design drawings to estimate the costs and calculate the actual quantity had been achieved on site for payment application or evaluation.

A Quantity Surveyor ...

A Quantity Surveyor engineer