Subcontractor, a company or individual that performs performance work or the provision of services, labour or materials under a contract or contract in which a person from each party is not related to an employer and a worker. Parties to the project may have a different view of the project`s most important objectives, which is an even greater challenge. A change in project requirements or objectives may result in additional risks. The project team must be able to assess the situation, meet the requirements and maintain proactive communication with stakeholders in order to provide a successful project The interim amount is an allocation amount, but it is likely to change for now, which has been provisionally agreed for the work to be carried out. · Taking into account the different needs, concerns and expectations of stakeholders in the implementation of the project; · managing stakeholder efforts to meet project requirements; Cost plus Incentive Fee (CPIF) Contract is one of the types of reimbursement contracts and is an owner who pays an incentive to the contractor if the project is completed, meets or exceeds performance targets: under budget; before the calendar; excellent in the safety record, etc. and can include all cost savings instead of offsetting the fixed fee for the additional cost and profits of the contractor. The nature of the costs, plus the royalty contract, can be defined as follows: costs plus fixed costs (CPFF); increased costs of the incentive fairy (CPIF); costs plus premium fees (CPAF); costs and percentage of costs; Cost Plus with a guaranteed maximum price (GMP); Cost Plus with guaranteed maximum price and incentive; and costs, plus fixed costs with agreement for the allocation of a cost-saving contract. . . .