雨水管道安裝施工工藝流程
1.雨(yu)(yu)水(shui)(shui)管(guan)(guan)材料(liao) 雨(yu)(yu)水(shui)(shui)懸(xuan)吊管(guan)(guan)和(he)立(li)管(guan)(guan)一般采(cai)(cai)用(yong)塑料(liao)管(guan)(guan)或(huo)(huo)鑄鐵管(guan)(guan),如管(guan)(guan)道可能受震(zhen)或(huo)(huo)工藝有特殊要求,應采(cai)(cai)用(yong)鋼(gang)管(guan)(guan)。埋(mai)地(di)雨(yu)(yu)水(shui)(shui)管(guan)(guan)可采(cai)(cai)用(yong)非金(jin)屬管(guan)(guan),但立(li)管(guan)(guan)至檢(jian)查井的(de)管(guan)(guan)段(duan)宜采(cai)(cai)用(yong)鑄鐵管(guan)(guan)。2.雨(yu)(yu)水(shui)(shui)管(guan)(guan)安裝 懸(xuan)吊式雨(yu)(yu)水(shui)(shui)管(guan)(guan)道的(de)敷(fu)設坡度(du)不(bu)得小(xiao)于(yu)0.005,埋(mai)地(di)管(guan)(guan)道的(de)最小(xiao)坡度(du)應不(bu)小(xiao)于(yu)生產廢(fei)...