A contract is a legally advantageous agreement between two or more people for the exchange of goods or services. Contracts are enforceable under contract law. There are many types of contracts that vary depending on the industry and the type of services provided. A subcontract is primarily a contract between a contractor or prime contractor and a subcontractor. It describes the limitations of the specialized work to be done for the construction project.  As a percentage of the cost plus, the owner pays more than 100% of the documented costs, which usually requires a detailed expense report.  In this type of contract, actual labour costs plus a certain percentage are paid to the contractor as a profit. Various contractual documents, drawings, specifications are not required at the time of signing the contract. The Contractor must keep all records of material and labour costs and the Contractor will be paid accordingly to the responsible engineer. This type of contract is suitable for emergency work such as difficulties related to the conditions of incorporation, the construction of expensive structures, etc. The U.S. Federal Acquisition Regulations explicitly prohibit the use of this type for U.S.
federal government contracts.  This type of agreement defines the object and scope of the agreement very well. With this alternative, the terms and conditions of the contract are clearly understood by each party. The contractual documents of a construction contract often contain “contractual objects”. These define the fundamental obligations of the parties concerned. Typically, they consist of four sections: A conditional contract agreement is an agreement that is used when services could not be provided at the time the contract was signed. It sets a future date on which the services will be provided if certain conditions are met. There are many other types of agreements used in the construction industry, including: A construction contract is a document that sets a date and determines which parties will participate in the construction process. As a general rule, the contractual agreement is concluded between the project owner and the contractor or supplier providing the requested services and contains several sections of clauses that define the scope, terms and conditions of such an agreement.