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1、1,coalmines,mineareinchargeofthewatercontrolworkresponsibility,and(b)specificallyresponsibleforthetechnicalmanagementofwaterpreventionandcontrolwork.A,ChiefEngineer,mineb,c,geology,geologicalsurveyVicePresidentdsection2,coalmines,mineshouldbetheprepara
2、tionofthemedium-andlong-termplanningandcontrolwater(a)plans,andtheirimplementation.A,yearb,quartersc,3,coalmines,mineshouldbe(a)forwatereducationandtrainingtoensureemployeeshavethenecessaryknowledgeofwatercontrol,improvingwatercontrolworkskillsandtheab
3、ilitytoresistwaterdamage.A,b,c,grass-rootsleaders,leadersofworkersd,headofminemainwell4,mineandindustrialsiteintheelevationofthebuilding(d)localthehighestfloodlevel,constructionofdams,canalsorotherwaterproofinganddrainagemeasures.A,isequaltob,nohighert
4、hanc,higherthand,lessthan5,minemainpumpingstationshouldbeatleast(b)exits,anexitwithinclinedroadwayintothewellbore,overandabovethepumpHousefloor7m.A,1b,2c,3d,46miningareawaterChamber,theeffectivecapacityshouldbeabletohold(b)normalinflowinminingarea.A,2H
5、b,4Hc,6hd,8h7,shortsumpcapacityshouldbemaintainedatatotalcapacityof(b)above.A,40%b,50%c,60%d,70%8,intheyearbeforetherainyseason,shouldcompleteoverhaul(a),andallpumpsandbackuppumpswere1jointtestsandfoundtheproblemanddealwithit.A,1b,2c,3d,4-9,complexandv
6、erycomplexhydrogeologicalconditionsofmineonthegroundcouldnotbeidentifiedwhenminehydrogeologicalconditionandwaterfillingfactorsshouldbepersisted,(d)theprincipleofstrengtheningtheworkofsurveywater.A,diggingafterthefirstb,cmining,afterthefirsthadthesuspec
7、tswillfindd,excavationswillbe10,penetratingexplorationofgoafwater,karsticwateranddrillingwater,waterdrillinggrouplayout,andintheroadwayinfrontofthehorizontalplaneandverticalplanefan-shaped.Drillholelocationstomeethorizontaldistance(d)asthestandard,thic
8、kcoalseamintheboreholeoffsetmustnotexceed1.5M.A,1Mb,1.5Mc,2md,3M11,seam,prohibitioninprinciplesurveywaterpressureabove(c)MPawaterfillingfaultwater,aquiferwaterandkarsticwater.Ifneeded,youcanwaterproofwallandgatewallwithinsurveywater.A,b