ASTM F2303-2003(2009) 适合于铺设光缆和导管的重力下水道选择的标准实施规范

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【英文标准名称】:StandardPracticeforSelectionofGravitySewersSuitableforInstallationofOpticalFiberCableandConduits
【原文标准名称】:适合于铺设光缆和导管的重力下水道选择的标准实施规范
【标准号】:ASTMF2303-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F36.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cable;conduits;criteria;fiberinsewers;gravity;installation;selection;sewers;suitability;Installation--plasticpipematerials/applications;Conduits;Gravitysewerpipe;Opticalfiber/cable/conduit;Sewerlines
【摘要】:Thispracticeisintendedtoassistengineersandsewerowner/operatorsindeterminingthesuitabilityofsewersforasecondaryuseashostsforopticalfibercablesandconduits.Itmustbekeptinmindthattheprimaryuseofthesewersistocarrywastewaterorstormwater,orboth.Anysecondaryuseofthesystemshallnotsignificantlyimpairtheprimaryuse.Itisuptotheengineertodecideuponanyexceptionsthatmaybeinvolvedintheselectionprocess.Beforetheselectionprocedurebegins,theinstallermusthaveexplicitauthorizationfromtheowner/operatorallowinganevaluationtobeconductedfortheinstallationofopticalfibercablesorconduitswithintheirsewersystem.Engineersandownersshouldalsobecognizantofhowtheinstallationofopticalfibercableorconduitswillimpactthefutureoperational,maintenance,andrehabilitationneedsofthesewers.1.1Thispracticespecificallyaddressesthecriteriafordeterminingthesuitabilityofgravitysewersforsecondaryusessuchastheinstallationofopticalfibersystems.1.1.1Thispracticeappliestotheprocessofselectinggravitysewersthatareappropriateforacceptinganopticalfibersystemasopposedtostandardsfortheinstallation,operationandmaintenanceofsuchsystemwithinsewers.1.2Thispracticeappliestobothmanaccessibleandmaninaccessiblesewersystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Bondedabrasiveproducts-Dimensions-Part6:Grindingwheelsfortoolandtoolroomgrinding
【原文标准名称】:粘合磨料产品尺寸第6部分:工具和工具室磨削用砂轮
【标准号】:ISO603-6-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;尺寸;砂轮;夹具;工具磨床;磨料制品;工具;粘合;磨料;试验;规范(验收)
【英文主题词】:Abrasiveproducts;Abrasives;Bound;Designations;Dimensions;Fixtures;Grindingwheels;Specification(approval);Testing;Toolgrindingmachines;Tools
【摘要】:ThispartofISO603specifiesthenominaldimensions,inmillimeters,of:—Type1:Straightgrindingwheel(generalapplictaionandsawsharpening)—Type3:Wheeltaperedononeside—Type5:Wheelrecessedononeside—Type6:Straightcupwheel—Type7:Wheelrecessedonbothsides—Type11:Tapercupwheel—Type12:DishwheelThesebondedabrasiveproductsareintendedtobeusedforgrindingorregrindingofcuttingfacesandedgesoftools.Theworkpiecesandthegrindingwheelsaremechanicallyguided.
【中国标准分类号】:J43
【国际标准分类号】:25_100_70
【页数】:8P;A4
【正文语种】:英语


Product Code:SAE AMS7278
Title:Rings, Sealing, Fluorocarbon Rubber Hgih-Temperature-Fluid-Resistant 70-80
Issuing Committee:Ams Ce Elastomers Committee
Scope: