yyj@hf-steel.com 
138 0962 7109
- 中文
MUNICIPAL PUBLIC WORKS
Second level qualification for general contracting of municipal public works construction
1、 Urban road engineering
New construction, renovation, and expansion projects of various urban roads (excluding expressways)
Hard paving project for urban squares and ground parking lots
2、 Bridge engineering
Urban bridges with a single span of ≤ 45 meters (including overpasses, road bridges, etc.)
3、 Water supply and drainage engineering
Water supply facilities:
Water supply plants with a daily processing capacity of ≤ 150000 tons
Water supply pump station with a daily processing capacity of ≤ 250000 tons
Sewage treatment facilities:
Sewage treatment plants with a daily processing capacity of ≤ 100000 tons
Sewage pumping stations and rainwater pumping stations with a daily processing capacity of ≤ 150000 tons
Pipeline engineering:
Water supply and drainage pipelines and reclaimed water pipelines with a diameter of ≤ 1.5 meters
4、 Gas and Thermal Engineering
Gas engineering: medium pressure (≤ 2 kg/cm2) gas pipelines and pressure regulating stations
Thermal Engineering:
Thermal engineering with heating area ≤ 1.5 million square meters
Thermal pipelines with a diameter of ≤ 0.2 meters
5、 Other municipal engineering projects
Tunnels and underground transportation: Tunnels and underground transportation projects with a cross-sectional area of ≤ 25 square meters
Garbage treatment project: construction of various urban household waste treatment facilities
Tel：138 0962 7109
Email：yyj@hf-steel.com
Fax：+86-769-86727302
Add：Shangjiehuangjinji Industrial Park, Qishi Town, Dongguan City, Guangdong Province
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