壓力排水潛污泵安裝技術(shù)交底

壓力排水潛污泵安裝技術(shù)交底工程名稱：江蘇銀行總部大廈施工單位：未提及交底內(nèi)容：一、工程概況：本工程采用熱鍍鋅管作為壓力排水管道，DN100及以上采用溝槽式連接件，其余采用絲扣連接。二、施工準(zhǔn)備1、材料：地下室壓力排水管材為鍍鋅鋼管，應(yīng)符合設(shè)計要求，管件無偏扣、亂扣、絲扣不全或角度不準(zhǔn)等現(xiàn)象。所有材料進(jìn)場時應(yīng)對品種、規(guī)格、外觀等進(jìn)行驗收。2、設(shè)備：施工所需設(shè)備包括套絲機(jī)、壓槽機(jī)、砂輪切割機(jī)、臺鉆、電錘、手電鉆、電焊機(jī)、電動試壓泵、套絲板、管鉗、壓力鉗、手鋸、手錘、活扳手、鏈鉗、揻彎器、捻鑿、大錘、斷管器、螺絲刀、鋼銼、刮刀、水平尺、線墜、鋼卷尺、小線、壓力表，電纜線等。三、編制依據(jù)施工過程嚴(yán)格執(zhí)行相關(guān)國家標(biāo)準(zhǔn)和設(shè)計要求。四、施工工藝1．支架的制作和安裝本工程采用固定門型支架方案，支架的整體平整度應(yīng)符合要求。支架制作應(yīng)得體美觀，支架的焊縫處應(yīng)飽滿，焊接后焊渣及時清理，支架除銹后刷防腐漆兩道之后，管道及支架刷調(diào)和漆。支架應(yīng)垂直安裝，位置要正確，埋設(shè)應(yīng)平整牢固。固定在建筑結(jié)構(gòu)上的管道支、吊架不得影響結(jié)構(gòu)的安全。Duringthegroovingprocessofthegroovingmachine,itisstrictlyforbiddenforthepipetohavelongitudinalorangulardisplacement.Thegroovesformedbythegroovingmachineshouldmeetthefollowingrequirements:drainagetechnology,safetydisclosurerecords.ProjectName:JiangsuBankHeadquartersBuildingConstructionUnit:[Name]Date:July12,20131.Thesurfacefromtheendofthepipetotheendofthegrooveshouldbeflat,withoutanybumpsorgrooves.2.Thecenterofthegrooveshouldbeconcentricwiththepipewall.Thesizefromtheendofthepipetotheedgeofthegrooveshouldbe16±0.05mm,thewidthofthegrooveshouldbe9.5±0.5mm,thedepthshouldbe2.2±0.5mm,andtheouterdiameterofthegrooveshouldnotbegreaterthan109.6mm.Thetimetoprocessonegrooveshouldnotbelessthan2.5minutes.3.Thegroovingmachineusedtoprocessthepipeshouldnotdamagethegalvanizedlayeronthepipe.4.Thegroovingmachineshouldhavealimitedpositioningdevice.Whenopeningholesforbranchjointsonsite,thefollowingstepsshouldbetaken:1.Fixthepunchingmachineatthepredeterminedpositiononthepipe,andthecenterlineoftheholeandthecenterofthedrillbitmustbealignedwiththeaxisofthepipe.2.Startthemotortorotatethedrillbit.3.Turnthehandwheeltoslowlydrilltheholewiththedrillbit,andaddlubricanttothedrillbitinatimelyandappropriatemanneruntiltheholeisdrilledthroughthepipe.4.Aftertheholeisfinished,turnthehandwheelbacktomakethedrillbitreturntoitsoriginalposition.5.Thediameteroftheholeshouldnotbesmallerthantheouterdiameterofthebranchpipe.Forgroove-typejointconnections:1.Useaverniercalipertocheckwhetherthegroovesonthepipeandfittingsmeettherequirementsoftheoperatingprocedures,andwhetherthemodeloftheclampiscorrect.2.Applysoapywaterasalubricantontherubbersealingringandcheckwhethertherubbersealingringisdamaged.3.Whenconnecting,firstinstalltherubbersealingringinthemiddleoftheinterface.Therubbersealingringcanbefirstputononesideofthepipeend,andthenpositionedandputontheothersideofthepipeend.4.Straightentheaxisofthepipeline.5.Installtheclampontheoutsideoftherubbersealingring.Theinneredgeoftheclampmustbeembeddedinthegrooveandfixedinthecenterofthegroove.6.Tightentheclampuntiltheendfacesareclosed,andimmediatelyinstallthefasteners.Theboltsshouldbetightenedevenlyandalternately.7.Duringtheinstallationoftheclamp,visuallyinspecttherubbersealingringtopreventwrinkling.8.Afterinstallation,checkandconfirmthattheinnercircleoftheclampisfullyembeddedinthegroove.Wheninstallingbranchjoints:1.Wheninstallingmechanicalteesorcrossesonapipethathasalreadybeenpunched,thecenteroftheclampconnectedtothebranchpipemustbealignedwiththecenteroftheholeonthepipe.2.Afterinstallation,therubbersealingringinsidethemechanicalteeorcrossmustbeconcentricwiththeholeonthepipe,andthegapshouldbeuniform.3.Tightentheclamponthebranchpipeuntilthetwoendfacesareclosed,andimmediatelyins