The materials used for fencing should be secure, neat, and beautiful* On the construction site of an engineering project, fences can be set up in sections according to the progress of the project or common continuous guardrail equipment can be used according to regulations. The construction unit shall not pile up construction materials, waste, and engineering debris outside the fence of the construction site. In areas that have been approved for temporary occupation, materials or machinery and equipment should be strictly stored, stacked, and unloaded according to the approved land occupation plan and usage nature. A * * 1m enclosure should be set around the temporary area.

施工区、生活区围墙在市区一般不**2m,其他地方一般不**1.8m,围挡运用单位应守时进行检查，当出现开裂、沉降、倾斜等险情时，应立即采用相应加固办法。

The walls of the construction and living areas are generally not * * 2m in the urban area, and not * * 1.8m in other places. The unit using the fence should inspect it on time. When there are dangerous situations such as cracking, settlement, and tilting, corresponding reinforcement measures should be taken immediately.

围挡及基础应进行规划核算，符合地区标准规范规矩。砌体不宜选用空斗墙砌筑办法，厚度不宜小于200mm.砌体围挡应设置混凝土壁柱，壁柱间隔应按规划要求进行设置且不应大于5.0m.墙体与壁柱之间应设置2Φ6500的拉结筋。

Fencing and foundation should be planned and calculated in accordance with regional standards and regulations. The masonry method of empty bucket wall should not be used for masonry, and the thickness should not be less than 200mm. Concrete wall columns should be set for the masonry enclosure, and the spacing between the wall columns should be set according to the planning requirements and should not exceed 5.0m. 2 should be set between the wall and the wall columns Φ 6500 tie bars.

不应在围挡或紧靠围挡架起广告或宣传标牌。如确需架起的，受力体系应当独立，并经规划核算

Advertisements or promotional signs should not be erected in or close to the enclosure. If it is necessary to erect it, the stress system should be independent and planned and calculated

基础选用钢筋砼预制承力式基座，可无数次运用，。不损坏路面，抗倾覆能力强，抵挡8级风。墙板选用A级防火玻璃棉，具有A级防火和隔音功用，下降城市建筑噪音。性抵达*路交通防撞墙标准。

The foundation adopts reinforced concrete prefabricated load-bearing base, which can be used countless times and is environmentally friendly and energy-saving. It does not damage the road surface, has strong anti overturning ability, and can withstand level 8 wind. The wall panel is made of A-grade fire-resistant glass wool, which has A-grade fire-resistant and soundproof functions to reduce urban building noise. Safety meets the standards for road traffic safety collision walls.

电线和喷淋走暗管安顿，性*高。整体外观充分体现绿色、生态、及地域特征。全部构件结构均选用高强螺栓联接，省时省力。

The wires and sprinkler pipes are securely installed, ensuring high safety. The overall appearance fully reflects green, ecological, environmentally friendly, and regional characteristics. All component structures are connected with high-strength bolts, which saves time and effort.

钢结构选材热浸锌+户外级喷塑，十年不锈蚀。要充分认识其时成都扬尘处理作业的艰巨性，*力把文明施工、绿色施工落到实处，提高工地处理水平，为成都营建蓝天绿地、谐和环境而*力。立即行动。打开施工围挡对标合格专项整治，大力推动新式围挡的设备及重复运用，确保新标准贯彻执行到位。

Steel structure material selection: hot-dip galvanizing+outdoor grade spray molding, non rusting for ten years. We need to fully understand the difficulty of dust treatment operations in Chengdu at that time, and strive to implement civilized and green construction, comprehensively improve the level of construction site treatment, and contribute to the construction of blue sky, green space, and harmonious environment in Chengdu. Take immediate action. Open up special rectification measures for qualified construction fences, vigorously promote the equipment and repeated use of new fences, and ensure the implementation of new standards in place.

加强联动。缔造单位、规划单位、监理单位、施工单位等相关单位要加强沟通，一同推动绿色成都的缔造脚步。中铁地道局在扬尘处理、绿色施工、施工等方面的作业。

Strengthen linkage. The creation units, planning units, supervision units, construction units and other relevant units should strengthen communication and work together to promote the creation of a green Chengdu. China Railway Tunnel Bureau's operations in dust treatment, green construction, and environmental protection construction.

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