天(tian)（反）井(jing)鉆(zhan)(zhan)機(ji)(ji)施(shi)工措(cuo)施(shi)，反井(jing)鉆(zhan)(zhan)機(ji)(ji)方(fang)案，豎井(jing)鉆(zhan)(zhan)機(ji)(ji)方(fang)法

一、概述：東三(san)(san)13190上(shang)(shang)(shang)巷(xiang)(xiang)十(shi)字(zi)頭(tou)絞(jiao)(jiao)(jiao)車峒(tong)室需施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)瓦(wa)(wa)斯(si)(si)抽(chou)放(fang)(fang)(fang)天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)，由(you)我隊(dui)施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，為了保證(zheng)(zheng)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)量(liang)達(da)標及(ji)(ji)(ji)施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)安全(quan)，特制(zhi)定(ding)本措施(shi)(shi)(shi)(shi)(shi)(shi)(shi)：二、施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)要(yao)求(qiu)及(ji)(ji)(ji)參數：1、抽(chou)放(fang)(fang)(fang)天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)規(gui)格：長(chang)(chang)(chang)×寬=2.5×2.5m，向(xiang)(xiang)上(shang)(shang)(shang)掘(jue)進(jin)(jin)(jin)(jin)(jin)至老(lao)頂(ding)，位置在(zai)(zai)上(shang)(shang)(shang)巷(xiang)(xiang)十(shi)字(zi)頭(tou)絞(jiao)(jiao)(jiao)車峒(tong)室偏上(shang)(shang)(shang)幫。2、天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)采(cai)(cai)用(yong)(yong)錨(mao)網(wang)(wang)支(zhi)護(hu)(hu)(hu)(hu)，錨(mao)桿間(jian)(jian)排距為0.6×0.6m，錨(mao)桿采(cai)(cai)用(yong)(yong)∮22×2200m。錨(mao)網(wang)(wang)采(cai)(cai)用(yong)(yong)菱形網(wang)(wang)，網(wang)(wang)搭(da)接(jie)長(chang)(chang)(chang)度(du)(du)(du)不(bu)(bu)(bu)小于(yu)(yu)200mm，連接(jie)長(chang)(chang)(chang)度(du)(du)(du)300mm。3、天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)掘(jue)進(jin)(jin)(jin)(jin)(jin)，由(you)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)(gong)攉煤(mei)(mei)，溜(liu)(liu)子出(chu)(chu)煤(mei)(mei)。三(san)(san)、安全(quan)措施(shi)(shi)(shi)(shi)(shi)(shi)(shi)：1、施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)(qian)全(quan)隊(dui)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)必(bi)須學習該措施(shi)(shi)(shi)(shi)(shi)(shi)(shi)，熟悉施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)步驟(zou)和質(zhi)量(liang)要(yao)求(qiu)，注意(yi)施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)安全(quan)。2、放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)前(qian)(qian)清(qing)理(li)(li)施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)地(di)點(dian)周圍的(de)(de)(de)物品，檢(jian)(jian)查(cha)(cha)附近的(de)(de)(de)梁腿、抬(tai)(tai)棚(peng)(peng)(peng)是否穩固(gu)(gu)，確保其(qi)可靠安全(quan)。3、放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)前(qian)(qian)，對施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)地(di)點(dian)周圍的(de)(de)(de)管(guan)線(xian)等電器設(she)備用(yong)(yong)廢(fei)皮(pi)帶進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)掩(yan)蓋(gai)保護(hu)(hu)(hu)(hu)，防(fang)(fang)(fang)止放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)崩壞。4、嚴(yan)格執(zhi)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)“一炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)三(san)(san)檢(jian)(jian)”制(zhi)度(du)(du)(du)，由(you)瓦(wa)(wa)檢(jian)(jian)員(yuan)及(ji)(ji)(ji)時(shi)檢(jian)(jian)測(ce)放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)前(qian)(qian)后(hou)(hou)(hou)氣體是否超(chao)(chao)標，當瓦(wa)(wa)斯(si)(si)濃度(du)(du)(du)大(da)于(yu)(yu)0.8%時(shi)嚴(yan)禁裝藥(yao)放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)。5、放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)盡量(liang)采(cai)(cai)用(yong)(yong)多打(da)眼(yan)、放(fang)(fang)(fang)小炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)的(de)(de)(de)方(fang)式(shi)，炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)眼(yan)深(shen)度(du)(du)(du)小于(yu)(yu)0.6m時(shi)，不(bu)(bu)(bu)得放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)，炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)眼(yan)深(shen)度(du)(du)(du)為0.6-1m時(shi)，封(feng)泥(ni)(ni)長(chang)(chang)(chang)度(du)(du)(du)不(bu)(bu)(bu)得小于(yu)(yu)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)眼(yan)深(shen)度(du)(du)(du)1/2，炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)眼(yan)深(shen)度(du)(du)(du)超(chao)(chao)過1m時(shi)，封(feng)泥(ni)(ni)長(chang)(chang)(chang)度(du)(du)(du)不(bu)(bu)(bu)得小于(yu)(yu)0.5m。6、放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)時(shi)，人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)撤(che)(che)至安全(quan)地(di)點(dian)，要(yao)求(qiu)警(jing)(jing)戒(jie)距離(li)直(zhi)巷(xiang)(xiang)100m，彎巷(xiang)(xiang)70m，并(bing)派專(zhuan)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)把口(kou)(kou)警(jing)(jing)戒(jie)，嚴(yan)防(fang)(fang)(fang)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)進(jin)(jin)(jin)(jin)(jin)入(ru)警(jing)(jing)戒(jie)區。7、由(you)通(tong)(tong)風(feng)隊(dui)用(yong)(yong)長(chang)(chang)(chang)褲(ku)襠叉(cha)向(xiang)(xiang)天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)供風(feng)，每(mei)次(ci)放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)待炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)煙消散后(hou)(hou)(hou)，進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)敲幫問頂(ding)工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)，先用(yong)(yong)長(chang)(chang)(chang)柄工(gong)(gong)(gong)(gong)(gong)(gong)具(ju)從外向(xiang)(xiang)里進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)清(qing)理(li)(li)活(huo)矸、傘檐(yan)煤(mei)(mei)，找頂(ding)時(shi)不(bu)(bu)(bu)準(zhun)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)其(qi)它工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)。8、每(mei)次(ci)打(da)眼(yan)時(shi)必(bi)須站立在(zai)(zai)可靠的(de)(de)(de)臨(lin)時(shi)支(zhi)護(hu)(hu)(hu)(hu)下(xia)(xia)(xia)作(zuo)業(ye)(ye)(ye)(ye)，錨(mao)網(wang)(wang)支(zhi)護(hu)(hu)(hu)(hu)要(yao)及(ji)(ji)(ji)時(shi)跟(gen)上(shang)(shang)(shang)，不(bu)(bu)(bu)得滯(zhi)后(hou)(hou)(hou)，嚴(yan)禁在(zai)(zai)空頂(ding)下(xia)(xia)(xia)作(zuo)業(ye)(ye)(ye)(ye)。9、向(xiang)(xiang)上(shang)(shang)(shang)掘(jue)進(jin)(jin)(jin)(jin)(jin)時(shi)，下(xia)(xia)(xia)部采(cai)(cai)用(yong)(yong)廢(fei)水泥(ni)(ni)軌枕絞(jiao)(jiao)(jiao)井(jing)(jing)(jing)(jing)(jing)字(zi)架幫管(guan)子絞(jiao)(jiao)(jiao)，并(bing)用(yong)(yong)扒釘(ding)固(gu)(gu)定(ding)，中間(jian)(jian)用(yong)(yong)木板把行(xing)(xing)(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)和溜(liu)(liu)煤(mei)(mei)間(jian)(jian)分開(kai)，行(xing)(xing)(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)、運料、溜(liu)(liu)煤(mei)(mei)不(bu)(bu)(bu)能(neng)同時(shi)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)，運料要(yao)有(you)(you)專(zhuan)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)看護(hu)(hu)(hu)(hu)。10、施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)時(shi)，嚴(yan)禁空頂(ding)作(zuo)業(ye)(ye)(ye)(ye)，施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)(qian)要(yao)打(da)戴帽點(dian)桿。11、每(mei)次(ci)施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)和放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)前(qian)(qian)，必(bi)須由(you)跟(gen)班(ban)(ban)隊(dui)長(chang)(chang)(chang)檢(jian)(jian)查(cha)(cha)絞(jiao)(jiao)(jiao)架牢固(gu)(gu)性，確保絞(jiao)(jiao)(jiao)架安全(quan)后(hou)(hou)(hou)方(fang)可繼(ji)續施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)。12、頂(ding)板破碎(sui)發(fa)生冒頂(ding)現象時(shi)，必(bi)須在(zai)(zai)班(ban)(ban)隊(dui)長(chang)(chang)(chang)的(de)(de)(de)指揮和監護(hu)(hu)(hu)(hu)下(xia)(xia)(xia)撤(che)(che)離(li)，待頂(ding)板穩定(ding)后(hou)(hou)(hou)，先留好(hao)(hao)退(tui)路再找有(you)(you)經(jing)驗的(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)敲幫問頂(ding)工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)，處理(li)(li)好(hao)(hao)隱患(huan)后(hou)(hou)(hou)，方(fang)可繼(ji)續施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)。13、施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)(qian)，應(ying)選(xuan)擇頂(ding)板較好(hao)(hao)的(de)(de)(de)地(di)點(dian)開(kai)口(kou)(kou)，天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)處去(qu)掉(diao)兩棚(peng)(peng)(peng)工(gong)(gong)(gong)(gong)(gong)(gong)字(zi)鋼，施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)(qian)，應(ying)對施(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)地(di)點(dian)兩側打(da)木抬(tai)(tai)棚(peng)(peng)(peng)加強支(zhi)護(hu)(hu)(hu)(hu)，抬(tai)(tai)棚(peng)(peng)(peng)必(bi)須實底(di)立柱，迎山(shan)有(you)(you)力，坑木直(zhi)徑(jing)不(bu)(bu)(bu)小于(yu)(yu)200mm，保證(zheng)(zheng)絞(jiao)(jiao)(jiao)架牢固(gu)(gu)可靠。14、由(you)于(yu)(yu)作(zuo)業(ye)(ye)(ye)(ye)空間(jian)(jian)小，每(mei)次(ci)作(zuo)業(ye)(ye)(ye)(ye)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)不(bu)(bu)(bu)能(neng)超(chao)(chao)過3人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)（其(qi)中班(ban)(ban)長(chang)(chang)(chang)必(bi)須在(zai)(zai)場），若天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)高度(du)(du)(du)大(da)于(yu)(yu)6m時(shi)，或(huo)瓦(wa)(wa)斯(si)(si)大(da)時(shi)，必(bi)須安設(she)風(feng)機(ji)，保證(zheng)(zheng)供風(feng)量(liang)。15、認(ren)真堅持(chi)一炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)三(san)(san)檢(jian)(jian)，每(mei)次(ci)作(zuo)業(ye)(ye)(ye)(ye)前(qian)(qian)確認(ren)天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)內(nei)瓦(wa)(wa)斯(si)(si)不(bu)(bu)(bu)超(chao)(chao)限方(fang)可作(zuo)業(ye)(ye)(ye)(ye)。16、其(qi)他未盡事(shi)宜，應(ying)嚴(yan)格按照《煤(mei)(mei)礦(kuang)(kuang)安全(quan)規(gui)程(cheng)》《煤(mei)(mei)礦(kuang)(kuang)操作(zuo)規(gui)程(cheng)》《作(zuo)業(ye)(ye)(ye)(ye)規(gui)程(cheng)》及(ji)(ji)(ji)礦(kuang)(kuang)有(you)(you)關規(gui)定(ding)執(zhi)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)。1、天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)開(kai)口(kou)(kou)在(zai)(zai)上(shang)(shang)(shang)巷(xiang)(xiang)的(de)(de)(de)上(shang)(shang)(shang)幫，先擴進(jin)(jin)(jin)(jin)(jin)不(bu)(bu)(bu)少于(yu)(yu)2.5m，高度(du)(du)(du)2.5m采(cai)(cai)用(yong)(yong)Φ220mm以上(shang)(shang)(shang)的(de)(de)(de)圓木，打(da)好(hao)(hao)雙抬(tai)(tai)棚(peng)(peng)(peng)，并(bing)背好(hao)(hao)幫壁，抬(tai)(tai)棚(peng)(peng)(peng)必(bi)須打(da)緊打(da)牢，實底(di)立柱，抬(tai)(tai)棚(peng)(peng)(peng)高度(du)(du)(du)2.0－2.4m，并(bing)用(yong)(yong)扒釘(ding)扒緊。2、天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)間(jian)(jian)，每(mei)次(ci)放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)前(qian)(qian)必(bi)須用(yong)(yong)圓木或(huo)半圓木封(feng)嚴(yan)，風(feng)筒保持(chi)完好(hao)(hao)，氣體無(wu)超(chao)(chao)限。3、每(mei)次(ci)放(fang)(fang)(fang)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)后(hou)(hou)(hou)，必(bi)須待頂(ding)板穩定(ding)后(hou)(hou)(hou)，由(you)班(ban)(ban)長(chang)(chang)(chang)或(huo)有(you)(you)經(jing)驗的(de)(de)(de)老(lao)工(gong)(gong)(gong)(gong)(gong)(gong)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)在(zai)(zai)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)間(jian)(jian)的(de)(de)(de)一側緩慢(man)上(shang)(shang)(shang)去(qu)。并(bing)帶上(shang)(shang)(shang)便攜式(shi)瓦(wa)(wa)斯(si)(si)監測(ce)器，在(zai)(zai)氣體不(bu)(bu)(bu)超(chao)(chao)限的(de)(de)(de)情況下(xia)(xia)(xia)處理(li)(li)掉(diao)活(huo)矸后(hou)(hou)(hou)確認(ren)安全(quan)方(fang)可其(qi)他人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)進(jin)(jin)(jin)(jin)(jin)入(ru)作(zuo)業(ye)(ye)(ye)(ye)。4、認(ren)真堅持(chi)一炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)三(san)(san)檢(jian)(jian)，通(tong)(tong)風(feng)區每(mei)班(ban)(ban)必(bi)須安排專(zhuan)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)負責該地(di)點(dian)的(de)(de)(de)通(tong)(tong)風(feng)工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)，對風(feng)筒損壞的(de)(de)(de)要(yao)及(ji)(ji)(ji)時(shi)修(xiu)補，風(feng)筒直(zhi)徑(jing)400－600mm。5、天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)作(zuo)業(ye)(ye)(ye)(ye)時(shi)，下(xia)(xia)(xia)口(kou)(kou)必(bi)須有(you)(you)專(zhuan)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)把口(kou)(kou)，禁止人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)進(jin)(jin)(jin)(jin)(jin)入(ru)，需要(yao)進(jin)(jin)(jin)(jin)(jin)入(ru)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)必(bi)須用(yong)(yong)可靠的(de)(de)(de)信號通(tong)(tong)知天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)作(zuo)業(ye)(ye)(ye)(ye)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)。6、人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)在(zai)(zai)下(xia)(xia)(xia)邊從事(shi)出(chu)(chu)渣作(zuo)業(ye)(ye)(ye)(ye)時(shi)，天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)內(nei)頂(ding)幫的(de)(de)(de)活(huo)渣必(bi)須先進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)處理(li)(li)，并(bing)蓋(gai)好(hao)(hao)行(xing)(xing)(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)間(jian)(jian)，嚴(yan)防(fang)(fang)(fang)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)清(qing)渣時(shi)落渣傷人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)。（下(xia)(xia)(xia)邊清(qing)渣天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員(yuan)必(bi)須撤(che)(che)出(chu)(chu)不(bu)(bu)(bu)準(zhun)有(you)(you)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)作(zuo)業(ye)(ye)(ye)(ye)）7、開(kai)口(kou)(kou)時(shi)，風(feng)機(ji)必(bi)須接(jie)好(hao)(hao)，防(fang)(fang)(fang)止瓦(wa)(wa)斯(si)(si)積聚，行(xing)(xing)(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)間(jian)(jian)每(mei)3m架護(hu)(hu)(hu)(hu)頭(tou)板上(shang)(shang)(shang)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)時(shi)，必(bi)須用(yong)(yong)風(feng)筒先吹天(tian)(tian)(tian)井(jing)(jing)(jing)(jing)(jing)炮(pao)(pao)(pao)(pao)(pao)(pao)(pao)煙、氣體，防(fang)(fang)(fang)止熏人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)。