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ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯,通过阅读欣赏短文,引导学生感悟大自然的美,激发热爱家乡的感情。语文生活,让学生认识到生活中处处有语文,学习语文应走出课堂,在生活中自主地认字。通过口语交际,培养学生交流的兴趣和交际能力。2306#2304、2306、2307、2308及2309厂房安防工程施工方案一、计算机网络系统1、线缆、线架施工(1)桥架间连接板两端要有铜芯接地线,并与接地端的镀锌扁钢相连,最小截面不小于4平方毫米,或全长安装大于4*25镀锌接地扁铁。(2)桥架安装时应做到安装牢固,横平竖直,沿桥架水平走向的支架间距1.5至3米,垂直安装支架间距不大于2米,吊支架左右偏差应不大于10毫米,高低偏差不大于5毫米。(3)桥架与支架间螺栓、桥架连接板螺栓固定无遗漏,螺母位于桥架外侧,铝合金桥架与钢支架固定时,要有互相间绝缘的防电化腐蚀措施。(4)支架用膨胀螺栓固定时,选用螺栓适配,连接紧固,防松零件齐全。(5)桥架转弯处的弯曲半径不小于桥架内电缆最小弯曲半径(R=100)(6)水平敷设的电缆,首尾、转弯及5-10米处桥架内设电缆卡子固定,敷设于垂直桥架内的电缆卡子固定点间距应为1米。应详细填写隐蔽工程记录并归档。2、管道施工(1)检查进场的金属管道,金属管应符合设计文件的规定,表面不应有穿孔、裂缝和明显的凹凸不平,内壁应光滑,不允许有锈蚀。在易受机械损伤的地方和在受力较大处直埋时,应采用足够强度的管材。(2)管煨弯可采用冷煨和热煨法,管径20mm及其以下可采用手扳煨管器,管径25mm及其以上使用液压煨管器;(3)箱体装应牢固平整,开孔整齐并与管径项吻合,要求一管一孔不得开长孔,铁制盒、箱严禁用电气焊开孔;(4)在配管时,根据实际需要长度,对管子进行切割。管子的切割可使用钢锯、管子切割刀或电动切管机,严禁用气割。管子和管子连接,管子和接线盒、配线箱的连接,都需要在管子端部进行套丝。套丝时,先将管子在管钳上固定压紧,然后在套丝,套完后应立即清扫管口,将管口端面和内壁的毛刺锉光,使管口保持光滑。管路敷设应牢固通畅,禁止做拦腰管或拌脚管;管子进入箱盒处顺ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯,通过阅读欣赏短文,引导学生感悟大自然的美,激发热爱家乡的感情。语文生活,让学生认识到生活中处处有语文,学习语文应走出课堂,在生活中自主地认字。通过口语交际,培养学生交流的兴趣和交际能力。2直,在箱盒内露出的长度小于5mm;(5)在敷设时,应尽量减少弯头,每根管的弯头不应超过3个,直角弯头不应超过2个,并不应有S弯出现。金属管的弯曲一般都用弯管进行。先将管子需要弯曲部位的前段放在弯管器内,焊缝放在弯曲方向背面或侧面,以防管子弯扁,然后用脚踩住管子,手板弯管器,便可得到所需要的弯度。暗管管口应光滑,并加有绝缘套管,管口伸出部位应为25-30mm。(6)金属管连接应牢靠,密封应良好,两管口应对准。套接的短套管或带螺纹的管接头的长度,不应小于金属管外径的2.2倍。金属管的连接采用短套接时,施工简单方便;采用管接头螺纹连接则较美观,可保证金属管连接后的强度。金属管进入信息插座的接线盒后,暗埋管可用焊接固定,管口进入盒内的露出长度应小于5mm。明设管应用锁紧螺母或带丝扣管帽固定,露出锁紧螺母的丝扣为2-4扣。3、线路敷设(1)根据设计图确定出安装位置,从始端到终端(先干线后支线);(2)线缆剥线处理:使用斜口钳在塑料外衣上切开“1”字型长的缝;割去无用的电缆外衣。(3)管内配线要求:管线施工前应消除管内的污物和积水;缆线布放前应核对型号规格、程式、路由及位置与设计规定相符。在同一管内包括绝缘在内的导线截面积总和应该不超过内部截面积的40%;缆线的布放应平直、不得产生扭绞,打圈等现象,不应受到外力的挤压和损伤;缆线在布放前两端应贴有标签,以表明起始和终端位置,标签书写应清晰,端正和正确;电源线、信号电缆、对绞电缆、光缆及建筑物内其他监控系统的缆线应分离布放。各缆线间的最小净距应符合设计要求;缆线布放时应有冗余。在交接间,设备间对绞电缆预留和度,一般为3至6米;工作区为0.3至0.6米;光缆在设备端预留长度一般为5至10米;有特殊要求的应按设计要求预留长度;缆线布放,在牵引过程中,吊挂缆线的支点相隔间距不应大于1.5m;布放缆线的牵引力,应小于缆线允许张力的80%,对光缆瞬间最大牵引力不应超过光缆允许的张力。在以牵引方式敷设光缆时,主要牵引力应加在光缆的加强芯上;电缆垂直敷设时,在缆线的上端和每间隔1.5m处,应固定在支架上,水平敷设时,直接部份间隔距施3~5m处设固定点。ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namel
本文标题:弱电系统-施工方案
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