Contract administration refers to the task or function of ensuring that a construction contract (between the client + contractor) is executed in accordance with the terms of the contract. During this stage the Architect observes conformity to the building contract documents as well as the quality of the outcome. Obligations include periodic site visits, meetings, responding to 'Requests For Information' (RFI), issuing Architects Instructions (AI), assessing progress claims, issuing progress certificates and assessing variations and claims for adjustments of time.