The contractor for an office building commenced the project two months ago. The work is proceeding well. Last month the clients QS prepared an interim valuation which was agreed and certified by the Contract Administrator a few days later within the terms of the contract.As a result of a series of administrative errors, the contractor has not received payment for valuation number one, which was due a week ago.Examine the obligations of the employer in terms of payment. Assess the remedies under the contract which are available to the contractor in this situation. Suggest, using examples, the most appropriate course of action.You may refer to any standard form of construction contract to support your answer.