The qualifications of general contracting enterprises for housing construction projects are divided into super grade, first grade, second grade and third grade. Exceeding the qualification standard: the enterprise's credit standing ability 1, and the registered capital of the enterprise is more than 300 million yuan. 2. The net assets of the enterprise are more than 360 million yuan. 3. The business tax paid by construction enterprises in recent three years is more than 50 million yuan. 4. The credit line of corporate banks has been more than 500 million yuan in recent three years. Management personnel requirements 1, enterprise management personnel 10 years of project management experience. 2. The technical director has more than 15 years working experience in engineering technology management, and has the senior title of engineering sequence and the qualification of first-class registered constructor or registered engineer; He has presided over the technical work of more than two representative projects with the first-class qualification requirements for general construction contracting or the first-class design qualification requirements or general contracting projects with a contract amount of more than 200 million yuan. 3. The person in charge of finance has the title of senior accountant and the qualification of certified public accountant. 4. The enterprise has more than 50 registered first-class construction engineers (first-class project managers). 5 enterprises have professional and technical personnel who meet the requirements of Class A qualification standards for industrial engineering design related to this category. The level of scientific and technological progress is 1, and the enterprise has enterprise technology centers at or above the provincial level. 2. In the past three years, the funds for scientific and technological activities of enterprises have reached more than 0.5% of the turnover on average. 3, the enterprise has more than three national construction methods; In the past five years, it has owned more than 3 patents related to engineering construction, which can promote the technological progress of enterprises, and has more than 8 effective patents, including at least one invention patent. 4. The enterprise has won the National Science and Technology Progress Award or edited the national or industrial standards for engineering construction in recent ten years. 5. The enterprise has established an internal LAN or management information platform, and realized the networking of internal office, information release and data exchange; The external website of the enterprise has been established and opened; Archives management and design document management are realized by using comprehensive project management information system, personnel management system and engineering design related software. On behalf of the project performance, he has undertaken three of the following five general contracts or construction general contracts in the past five years, and the project quality is qualified. Buildings with heights above 1 and 100m; 2, more than 28 floors of housing construction projects; 3, single building area of 50 thousand square meters of housing construction projects; 4. Reinforced concrete structures with a single span of more than 30 meters or steel structures with a single span of more than 36 meters; 5, a single Jian 'an contract amount of more than 200 million yuan of housing construction projects. Below the special level: level 1 qualification standard level 1-qualification grade standard for general contracting enterprises of housing construction projects 1. In the past five years, the enterprise has undertaken more than four of the following six projects, and the project quality is qualified. (1) Building construction with more than 25 floors; (2) Structures or buildings with a height of 100 m; (three) housing construction projects with a single building area of more than 30 thousand square meters; (4) housing construction projects with a single span of more than 30 meters; (5) Residential quarters or buildings with a construction area of 654.38+10,000 square meters; (6) Housing construction projects with a single contract value of 1 100 million yuan or more. 2. The enterprise manager has more than 10 years of engineering management experience or has a senior title; The chief engineer has more than 10 years experience in construction technology management and has a senior title; The chief accountant has a senior accounting title; The chief economist has a senior title. There are not less than 300 engineers and economic managers with professional titles in the enterprise, including not less than 200 engineers and technicians; Among the engineering and technical personnel, there are not less than 10 people with senior titles and not less than 60 people with intermediate titles. The enterprise shall have at least 12 project managers with first-class qualification. 3. The registered capital of the enterprise is more than 50 million yuan and the net assets of the enterprise are more than 60 million yuan. 4 enterprises in the past three years, the highest annual project settlement income of more than 200 million yuan. 5. The enterprise has construction machinery and quality inspection equipment suitable for the scope of contracted projects.