cover board.doc

coverboard.
3,pipeclamp,stents,derrickandboxandsoonmetalparts,shallbegalvanizedorbrushanti-corrosionpaint;Adoptgalvanizedpartsshouldbeused.
4,materialsneeded:wireandsteelpipe,elbow,flexiblemetaltube,distributionbox,junctionbox,lampbox,socketbox,straightpipejoints,jawthreadedpipejoints,pipeclamp,roundsteel,Anglesteel,flatsteel,support,derrick,galvanized,bolts,nuts,washers,bolts,galvanizedwoodscrews,self-tappingscrews,nails,nailandbullets,anti-corrosionpaint,mixedpaint,asphalt,oil,oil,cement,sand,ironwire,groundwireclamp,etc.
1.3.1.3mainmachinesandtools
1,withhold,leverpipebender,hydraulicsawing,grindingwheel,diamondcoredrillsforbenchdrill,drill,electrichammer,electricweldingmachine,weldingtools,nailgun.
2,specialboard,adjustablewrench,hacksaw,flatfile,halfroundfile,hammer,electricweldingmachine,weldingtools,nailgun.
3,spiritlevel,Anglesquare,tapemeasure,ruler,tapemeasure,linedrop,stringcable,chalklinebagshovel,bucket,ashbucket,ash,etc.
4,highinsulatinggloves,toolbag,stool,herringboneladder,etc.
1.3.1.4operationconditions
1,darkpipelaying
(1)lineofhorizontalandwallthicknessineachlayerhasgoodplay,cooperatewithcivilconstruction.
(2)theprecastconcretepipe,beforemakethegroundplayishorizontal.
(3)thecast-in-placeconcreteslabinsidethepiping,aftertheunderlyingsteelbinding,topbarsbeforebinding,accordingtothesizeandlocationwiththecivilconstructionofconstruction.
(4)with(masonry)cooperatewiththeriserwallconstruction.
2,Mingpipelaying
(1)cooperatewithcivilengineeringstructureinstalledembeddedparts,thereservedhole.
(2)takenotemethodfixedbracket,shouldbebeforerendering;Afteradoptingexpansionboltsupport,shouldbeinplaster.
(3)thepipingshallbecarriedoutafterthecivilspray,brushpaint.
3,theceilingpipelaying
(1)buildingstructureinstallationofembeddedparts,thereservedholework.
(2)individualsupport,hangingline,intheceilingkeelinstallationconstruction;Intheceilingofthemainkeellayingpipeline,cooperatewithkeelinstallationinconstruction.
(3)interiorconstruction,cooperatewithcivilceilinglampsa