Level 1 qualification requirements for general contracting of municipal engineering

First-class qualification, can undertake the construction of various municipal public works. Second-class qualification: can undertake the construction of the following municipal public works: all kinds of urban roads; Urban bridges with a single span less than 45 meters; Water supply project below 65438+500,000 tons/day; Sewage treatment projects with a treatment capacity of less than 654.38+10,000 tons/day. "Qualification Grade Standard for General Contractor of Construction" X. Qualification Grade Standard for General Contractor of Municipal Public Works Construction (scope of contracted projects) Scope of contracted projects: super-grade enterprises: can undertake the construction of various municipal public works. First-class enterprise: it can undertake the construction of various municipal public works with a single contract amount not exceeding 5 times of the registered capital of the enterprise. Secondary enterprise: it can undertake the following municipal public works with a single contract amount not exceeding 5 times of the registered capital of the enterprise: 1, urban road works; Bridge engineering with a single span less than 40 meters; Tunnel engineering with a cross section of 20 square meters or less; Public square project; 2, 65438+ ten thousand tons/day and below water supply plant; Sewage treatment projects with a capacity of 50,000 tons/day or less; 3 cubic meters/second and below the water supply and sewage pumping station; 15m3/s and below rainwater pumping station; All kinds of water supply and drainage pipeline projects; 3, the total storage capacity 1000 cubic meters and below the liquefied gas storage tank area (station); Gas projects with a gas supply scale of 6.5438+500,000 cubic meters/day; Medium-pressure and below gas pipelines and pressure regulating stations; Thermal engineering with heating area of 6.5438+0.5 million square meters; 4. Various municipal solid waste treatment projects. Grade III enterprise: it can undertake the following municipal public works with a single contract amount not exceeding 5 times of the registered capital of the enterprise: 1, urban road works (excluding expressways); Bridge engineering with a single span less than 20 meters; Public square project; 2, 20 thousand tons/day and below water supply plant; 1 10,000 tons/day and below sewage treatment projects; Water supply and sewage pumping stations below 1 m3/s; 5 cubic meters/second and below rainwater pumping station; Water supply pipeline with diameter of 1 m; Sewage pipe with diameter of 1.5m; 3, the total storage capacity of 500 cubic meters and below the liquefied gas storage tank farm (station); Gas projects with a gas supply scale of 50,000 cubic meters/day; Medium and low pressure gas pipelines and pressure regulating stations of 2 kg/cm2 and below; Thermal engineering with a heating area of 500,000 square meters or less; Thermal pipeline with diameter less than 0.2m; 4. Domestic waste transfer station.