Contracting scope:
First-class enterprises: can undertake a single contract value does not exceed five times the registered capital of the enterprise all kinds of municipal public works construction.
Second-level enterprises: can undertake a single contract value does not exceed 5 times the registered capital of the following municipal public works construction:
1, urban road projects; single-span span of 40 meters or less bridge project; section 20 square meters and the following tunnel project; public **** square project;
2, 100,000 tons / day and the following water supply plant; 50,000 tons / day and the following Sewage treatment works; 3 cubic meters / second and the following water supply, sewage pumping stations; 15 cubic meters / second and the following rainwater pumping stations; all types of water supply and drainage pipeline projects.
3, the total storage volume of 1,000 cubic meters and the following liquefied petroleum gas storage tank farms (stations); gas supply scale of 150,000 cubic meters / day gas works; medium pressure and the following gas pipelines, regulator stations; heating area of 1.5 million square meters of thermal engineering.
4, various types of urban waste disposal projects.
Three companies: can undertake a single contract value does not exceed five times the registered capital of the following municipal public works construction:
1, urban road projects (excluding expressways); single-span span of 20 meters or less bridge project; public **** square project.
2, 20,000 tons / day and the following water supply plant; 10,000 tons / day and the following sewage treatment works; 1 cubic meters / second and the following water, sewage pumping station; 5 cubic meters / second and the following rainwater pumping station; diameter of 1 meter or less water supply pipe; diameter of 1.5 meters or less sewage pipeline;
3, the total storage capacity of 500 cubic meters and the following liquefied petroleum gas storage tank farms (stations); gas scale 5 10,000 cubic meters / day gas works; 2 kg / cm2 and the following medium-pressure, low-pressure gas pipeline, regulator station; heating area of 500,000 square meters and the following thermal engineering; diameter of 0.2 meters or less heat pipe.
4, domestic waste transfer station.