XZ11 XZ12 XZ14
標志樁的安裝其他要求
當兩根(gen)管(guan)(guan)(guan)(guan)(guan)(guan)道平(ping)行鋪設且水平(ping)間距(ju)在0.4米至1米時(shi),除(chu)在每根(gen)管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)上(shang)方釘相應標(biao)記(ji)牌或(huo)豎標(biao)記(ji)樁(zhuang)外,需在較短管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)的標(biao)記(ji)牌或(huo)標(biao)記(ji)樁(zhuang)上(shang)標(biao)記(ji)字母(mu)“G,Z,D”.其中G代表管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)為(wei)高壓管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)、Z代表管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)為(wei)中壓管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)、D代表管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)為(wei)低壓管(guan)(guan)(guan)(guan)(guan)(guan)線(xian)。標(biao)記(ji)牌上(shang)字母(mu)高度為(wei)1cm,標(biao)志樁(zhuang)上(shang)字母(mu)寫在樁(zhuang)編號下方,字母(mu)高度與(yu)樁(zhuang)編號高度相同。