Recently，Jiuquan Haohai Coal Chemical Co., Ltd. Phase II Fully Enclosed Coal Preparation Yard Renovation Project in the Owner、Supervisor、Under the joint witness of the leaders of the general contractor and other units and all the construction personnel，The grid installation project undertaken by Shaanxi Construction Steel Structure Co., Ltd. was successfully closed.，It marks that the construction of the main structure of the project is completed on schedule.，Lay a solid foundation for follow-up construction。

Shaanxi Construction Machinery Co., Ltd. actively implements the internal cooperation strategy of Shaanxi Coal Group，Tap the potential of internal collaboration，Make up for shortcomings、Yang advantage、Strong and weak items，Make full use of the large market within the group，In the construction of Haohai Coal Industry Phase II Coal Preparation Yard Closed Reconstruction Project，Construction Steel Structure Co., Ltd. and Shaanxi Tongchuan Coal Mine Construction Co., Ltd.，Work together，Jointly write a new chapter of win-win cooperation。

The grid span of the project is 44 meters.、Cornice height 16.5 meters、It is 189 meters long、176 meters wide、Building area 3.40,000 square meters，Steel consumption of 1300 tons。The project is located in the tuyere zone of Qilian Mountain and Heishan Mountain.，Winter comes early，The temperature is low，The windy season is from October to March of the next year.，It is often accompanied by strong winds above grade 8.，It has a great impact on tens of thousands of tons of coal stored in the site.。Completely closed transformation of coal yard Brooks no delay，The site construction and the owner's production shall be carried out simultaneously.，The construction period is tight、The construction is difficult。

After receiving the task，Construction steel structure company actively organized，With the general contractor，Adequate communication with the Owner，Make preparations in advance before admission.。To ensure construction safety and construction period，The technical personnel of the project department went deep into the site for careful exploration.，Hold a special meeting for in-depth discussion，Prepare the construction scheme in accordance with the site conditions。

September 14，The project was officially lifted and started.。The project department always upholds the principle of“Persevere，Create excellence”The spirit of enterprise，Carefully arranged，Overcome difficulties，Continuous optimization of construction scheme，Actively coordinate personnel and materials，The whole construction process is safe and civilized.，The construction quality is qualified and controllable。As at 20 October，In about a month.，The whole grid is closed smoothly.，Win valuable time for the next roof covering。