一、概况北京市第一建筑构件厂是北京市建筑工程局系统的一个为工业与民用建筑生产钢筋混凝土预制构件的专业工厂。1956年开始筹建,1958年4月正式投产。原设计构件年产量35000立方米。为适应首都基本建设的发展,1960年进行过一次扩建。无产阶级文化大革命以来,再次进行了扩建和技术改造。到1974年,实际生产水平已达到原设计能力的3.7倍。全厂总占地面积26万平方米。建筑面积56800平方米(其中生产用房44700平方米,占78.5％)。厂内道路28600平方米。另有铁路专用线1.75公里。共有五个车间:一个钢筋加工车间、两个构件成型车间、一个成 I. Overview Beijing No. 1 Building Component Factory is a professional factory of the Beijing Municipal Construction Engineering Bureau that produces reinforced concrete prefabricated components for industrial and civil buildings. The preparations began in 1956, and production began in April 1958. The original design component annual output of 35,000 cubic meters. In order to adapt to the development of the capital’s capital construction, an expansion was made in 1960. Since the proletarian cultural revolution, expansion and technological transformation have been carried out again. By 1974, the actual production level had reached 3.7 times the original design capacity. The whole plant covers an area of ​​260,000 square meters. The building area is 56800 square meters (including 44700 square meters of production space, accounting for 78.5%). The factory has 28,600 square meters of roads. Another special railway line is 1.75 kilometers. There are five workshops: a steel processing workshop, two component molding workshops, and a