接地)-02 扁鋼接地

《接地)-02 扁鋼接地》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在應(yīng)用文檔-天天文庫(kù)。

1、接地裝置扁鋼及圓鋼通用施工工藝QJ/DQ（接地）－02接地裝置扁鋼及圓鋼通用施工工藝1適用范圍1.1本通用施工工藝適用于裝置區(qū)接地裝置扁鋼及圓鋼安裝。2編制依據(jù)2.1《電氣裝置安裝工程接地裝置施工及驗(yàn)收規(guī)范》GB50169-92。2.2《電氣裝置安裝工程爆炸和火災(zāi)危險(xiǎn)環(huán)境電氣裝置施工及驗(yàn)收規(guī)范》GB50257-96。2.3《建筑電氣工程施工質(zhì)量驗(yàn)收規(guī)范》GB50303-2002。3施工應(yīng)具備的條件3.1準(zhǔn)備好施工機(jī)具和材料。3.1.1施工材料3.1.1.1主材圓鋼、扁鋼、鋼管、角鋼、鋼板、支持卡子及各種螺栓。3.1.1.2其它材料

2、保護(hù)管、紅丹防銹漆、調(diào)合漆、清油、瀝青漆、電焊條、焊條、水泥、砂子。3.1.2施工機(jī)具3.1.2.1施工機(jī)具配備齊全，保養(yǎng)維護(hù)合格。3.2熟悉圖紙，了解接地網(wǎng)的尺寸和平面布置、接地極組數(shù)和接地材料的選用。3.3施工現(xiàn)場(chǎng)基本平整，有可利用的標(biāo)高參照點(diǎn)。3.4掌握現(xiàn)場(chǎng)的施工情況，確定有無(wú)可利用的電纜溝和管溝，4施工工序ofworkenthusiasmandforward-looking.Thedifficultiesandproblemsofindividualcadresindifferentmassesasthebuckpassi

3、ng,long,makesomesimplecomplexproblems.Somecadresgeneraltalkaboutpay,donottaketheinitiativetoundertakeforthebitterandtiredofthework,thelackofcouragetoplayapositiveattitude."correctivemeasures:(LEDLeadership:LuoMingjun,rectificationtime:beforeSeptember25th,insistforalon

4、gtime)1,effectivelysolvetheenterpriseless,helpisnotenough.Inorderto"turnstyle,solveproblems,anddopracticalthings,hearttoheart"asthecore,inaccordancewiththeprovisionsofdivisionofLaborBureau,bytheBureauofPartymembersandcadresroomcompositiontheworkinggroup,tohelpenterpri

5、sessolveproblems,promotetheconstructionofmajorprojects;closetieswiththemasses,toaskforthepeople,askforpeopletoknowthepeople,publicopinion,thepeople,improvepeople'slivelihood.8-3-2-13接地裝置扁鋼及圓鋼通用施工工藝QJ/DQ（接地）－02接地線暗敷設(shè)設(shè)備接地連接接地體制安挖接地溝隱蔽檢查及回填接地電阻測(cè)試接地線明敷設(shè)5施工工藝5.1挖接地溝5.1.1按設(shè)

6、計(jì)圖紙要求進(jìn)行畫線，接地溝中心線距建筑物、構(gòu)筑物的距離不應(yīng)小于3米，獨(dú)立避雷針的接地裝置與重復(fù)接地之間的距離不應(yīng)小于3米。5.1.2接地溝宜挖成上寬0.6米、下底寬0.4米的梯形，梯形的高應(yīng)滿足設(shè)計(jì)對(duì)接地極埋深的要求，接地溝應(yīng)挖的平直、深淺一致，底部應(yīng)清理干凈。5.2接地極制安5.2.1垂直接地體材料的選用符合設(shè)計(jì)要求，無(wú)設(shè)計(jì)要求時(shí)可選用不小于∠50X5的角鋼、φ20的圓鋼或φ50的鋼管。鋼管的厚度不小于3.5mm。5.2.2接地體的長(zhǎng)度不應(yīng)小于2.5米。5.2.3圓鋼和鋼管應(yīng)鋸成斜口或鍛成錐型，角鋼的一端應(yīng)加工成尖狀，見圖5.2

7、.3。ofworkenthusiasmandforward-looking.Thedifficultiesandproblemsofindividualcadresindifferentmassesasthebuckpassing,long,makesomesimplecomplexproblems.Somecadresgeneraltalkaboutpay,donottaketheinitiativetoundertakeforthebitterandtiredofthework,thelackofcouragetoplayap

8、ositiveattitude."correctivemeasures:(LEDLeadership:LuoMingjun,rectificationtime:beforeSeptember25th,insistforalongtime)1,eff