A contractor is a natural or legal person who is responsible for implementing the subject of the contract based on the documents and according to the specified time, cost and quality. Sometimes contractors perform a part of the subject operations. The contract is entrusted to a natural or legal person who specializes in carrying out executive tasks, which are called subcontractors. Financial, work experience, etc. are rated.
Contractors must complete the work in accordance with their contract with the employer, within the specified time, at a specified cost and according to their desired quality.
What is a Contracting Contract?
In order to answer the question of what is contracting, it is necessary to get acquainted with the types of contracting contracts.
Contractors enter into contracts with the employer in all types of contracts and do the work.
Contracting contract It is a contract according to which the employer entrusts the performance of an action to the contractor under certain conditions, for a certain amount and in a certain period of time. reduce the average by 5% and the duration of project implementation by 33%.
Two types of conditions are determined for each contract, which must be followed.
This The conditions are as follows:
The general conditions of the contract are those obligations that
specify the rights and duties of the parties to the contract and the parties accept it.
General conditions of the contract They are regulated in 54 articles, they govern all contracting contracts in all fields and they cannot be changed or avoided. Private conditions are also specified for each contract. , the conditions and nature of the parties are determined.
Private conditions never violate the general conditions of the contract.

انواع قراردادهای پیمانکاری عبارت اند از:
- single-factor or trust
- two-factor
- three-factor
- four-factor or implementation management
- design, procurement and implementation

