您好,请教一下 纽约 1950 年的 老房子 里面的排水管 好像是 ductile iron pipe ( What material was sewer pipe in 1950? “1950 new york long island house drain pipe made” In the 1950s, ductile iron pipe was introduced as an improvement on cast iron. It has higher strength and similar corrosion resistance, making it an attractive material for water and wastewater uses. Similar to cast iron, there were also many types of linings developed to prevent corrosion in line interiors ) 请问 我准备在地下室 做一个卫生间。现在涉及到 排水管 要 接一个 出口出来。 请问这种 在金属排水管的接头有吗? 如何安装 或怎么解决这个问题呢?
这是个好问题,每个地方的法规要求不一样,比如我在的加拿大卡尔加里是这样规定的。According to the City of Calgary, “a plumbing permit is required when: A plumbing system is constructed, extended or altered [or a] Water and sewer lines in or around the home are replaced.”