A common problem in public procurement relates to defining the product/service requirements in tenders. It is done in two ways-
a) Organisations having strong engineering departments often design the products in house and invite tenders for manufacture/construction of these designs. E.g. in-house design of bridge and inviting tenders for its construction.
b) Organisation with strong managements set out output/functional parameters from a product/service e.g tender for a toll bridge.
Although, both of these methods may have their inherent advantages, within present setup of government departments, latter is being preferred over the latter because of following reasons: