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1、新建合肥至武汉铁路站前工程Ⅲ标隧道进洞及洞身开挖作业指导书编制:复核:审批:withinexplosionandfirehazardatmospheresbeforetheinstallationisputintooperation,buildinginstallationworkshallmeetthefollowingrequirements:repairanddecorationworksshouldendsecondgroutingandfinishingworkshouldend,satisfactoryoperation
2、ofexplosion-proofventilationsystemshouldcomplywiththedesignrequirementsand.4.1.11.3explosion-proofelectricalequipmentintothelineportandwiringandcables,wiresshouldbecapableofreliablysealing,extrainletelasticgasket,metalgasketshouldbecompleteandshouldtightentheclampingla
3、rvainletseals.Metalgasketthicknessshallnotbelessthan2mm.4.1.11.4theinstallationofexplosion-prooflampslamptype,modelandpower,thedesignandspecificationofrequirements,maynotbealtered.Spiralbulbsshouldbetightenedupandgoodcontact,notloose,lamphousingsshouldbecomplete,boltss
4、houldbetightened.4.1.11.5explosiondangerousenvironmentofcablecannotdirectlyconnection,innon-normalsituationXia,mustincorrespondingofexplosion-proofwiringboxorpointslineboxwithinconnectionortap,cablelinethroughdifferentdangerousregionalorterritorieswallShi,musttakefilli
5、ngsand,andfillresistancefireblockingmaterialoraddedsetfirewall,protectiontubeendsoftubemouthat,shouldwillcablearoundwithnon-burningsexfiberjamclosely,againfillingsealedclay,sealedclayfillingdepthshallnotislessthanpipediameter,andshallnotislessthan40mm.Introductionofexp
6、losion-proofmotorcablelineslookingforconnections,canbeusedtofindconnections,betweenitandtheexplosion-proofelectricjunctionbox,explosion-proofrequirementsshouldbetocopewithdifferentenvironmentalconditionsofdifferentmaterialsshouldbeusedtofindtheconnection.4.1.11.6explos
7、ive1中铁十局合武高速铁路项目经理部第一工区年月日withinexplosionandfirehazardatmospheresbeforetheinstallationisputintooperation,buildinginstallationworkshallmeetthefollowingrequirements:repairanddecorationworksshouldendsecondgroutingandfinishingworkshouldend,satisfactoryoperationofexplosion-
8、proofventilationsystemshouldcomplywiththedesignrequirementsand.4.1.11.3explosion-proofelectricalequipmentintothelinep