5、设计依据:设计风载:23m/s2,疲劳寿命:30年,按国家最新标准版本《碳素结构钢》、《电气装置安装工程电缆线路施工及验收规范》、《钢结构工程施工及验收规范》、《钢筋混凝土工程施工验收规范》等相关规范进行施工。
1, pole beside and next to the control box, cable bend, cable pipe line length more than 50 meters or both ends of the cable is not in the same plane are more than 100 mm apart, you must set up hand hole well.