Definition: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
Input: What role or rather make that whose role is design the works, prepare the specifications and produce construction drawings, administer the contract, tender the works and manage the works from inception to completion?

Whose role is to design the works, prepare the specifications and produce construction drawings, administer the contract, tender the works, and manage the works from inception to completion