Strengthen safety education, conscientiously implement safety technical specifications, strictly abide by the safety system, and implement safety measures to ensure construction safety; Strengthen site management, strictly implement the management regulations of the competent construction department and relevant departments of environmental protection, fire protection and health on the construction site, and achieve civilized construction; Bear the losses caused by quality modification, rework, construction delay, safety accidents, messy site and various fines due to their own responsibilities; Consciously accept the management, supervision and inspection of the general contractor and relevant departments; Submit reports and complete original technical and economic data on time.

A designated subcontractor is a special subcontractor appointed and selected by the owner (or engineer) to complete a specific job and sign a subcontract with the contractor. According to the terms of the contract, the owner has the right to contract out the construction tasks of some projects or the work related to the provision of materials, equipment and services to designated subcontractors for implementation.