With reference to the awarding of a contract by his department to a certain company VNA consulting engineers in KwaZulu-Natal in 2017, what (a) are the terms of reference of the contract, (b) goods and services (i) will be delivered and (ii) have been delivered to date, (c) is the duration of the contract, (d) is the value of the contract in Rand and (e) are the details of the supply chain and/or tender processes followed in awarding the contract?