GB50217-2007 电力工程电缆设计规范

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基本信息
标准名称:电力工程电缆设计规范
英文名称:Code for design of cables of electric engineering
中标分类: 工程建设 >> 电力、核工业工程 >> 输、变电工程
ICS分类:
替代情况:替代GB 50217-1994
发布部门:中华人民共和国建设部、中华人民共和国国家质量监督检验检疫总局
发布日期:2007-10-23
实施日期:2008-04-01
首发日期:
作废日期:
起草单位:中国电力工程顾问集团西南电力设计院、中国电力工程顾问集团东北电力设计院、喜利得(中国)有限公司
起草人:李国荣、熊 涛、张天泽、齐 春、陶 勤、万里宁、王 鑫、王聪慧
出版日期:
页数:138页
适用范围

本规范适用于新建、扩建的电力工程中500kV及以下电力电缆和控制电缆的选择与敷设设计。

前言

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引用标准

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所属分类: 工程建设 电力 核工业工程 输 变电工程
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【英文标准名称】:StandardGuideforEnvironmentalSiteAssessments:PhaseIIEnvironmentalSiteAssessmentProcess
【原文标准名称】:环境现场评定的标准指南:第二阶段环境现场评定法
【标准号】:ASTME1903-1997(2002)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:E50.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:环境现场评定;第二阶段;环境
【英文主题词】:environmental;environmentalsiteassessments;PhaseII
【摘要】:1.1ThisguidecoversaframeworkforemployinggoodcommercialandcustomarypracticesinconductingaPhaseIIenvironmentalsiteassessment(ESA)ofaparcelofcommercialpropertywithrespecttothepotentialpresenceofarangeofcontaminantswhicharewithinthescopeofCERCLAaswellaspetroleumproducts.1.1.1ThisguideisintendedtoprovidepracticalproceduralguidanceforthecontinuationofanassessmentconductedinaccordancewiththemostrecenteditionofPracticeE1527orE1528,orboth.PracticeE1527isthepracticeforconductingPhaseIESAsforaparcelofcommercialpropertyandPracticeE1528isthetransactionscreenpractice.Bothpracticesdefineaprocessthatisintendedtoconstitute"allappropriateinquiryintothepreviousownershipandusesofaproperty"todeterminewhetherhazardoussubstancesorpetroleumproductshavebeendisposedorreleasedthereinordertosatisfyoneelementoftheinnocentpurchaserdefensetoCERCLAliability.1.1.2BecausethisguideforconductingPhaseIIESAsdescribesaprocessforfurtherevaluatingaparcelofcommercialpropertywithrecognizedenvironmentalconditions,asdefinedinPracticesE1527andE1528,usersofthisguideshouldunderstandtherequirementsandlimitationsofthosepractices.ItisstronglyrecommendedthattheuserrefertoandapplytheguideinconcertwithPracticesE1527andE1528.1.1.3Thisguidehasmultiplepurposes.ItisintendedtoprovideassistancetousersinsatisfyingtheappropriateinquiryelementofCERCLA''sinnocentpurchaserdefense,asdefinedin42U.S.C.167;9601(35)(B),whereapreviousassessmentsatisfyingthatelementidentifiedrecognizedenvironmentalconditions.Thisguidealsoisintendedtoassistauseringatheringreliableinformationaboutaproperty''senvironmentalconditionstoguidetheuser''sbusinessdecisions.However,thisguidedoesnotpurporttoincludethelevelofspecificityrequiredoftechnicalstandardsthatgovernfullcharacterizationofasite''senvironmentalconditions.1.2Objectives8212;TheprimaryobjectivesofconductingaPhaseIIESAaretoevaluatetherecognizedenvironmentalconditionsidentifiedinthePhaseIESAortransactionscreenprocessforthepurposeofprovidingsufficientinformationregardingthenatureandextentofcontaminationtoassistinmakinginformedbusinessdecisionsabouttheproperty;andwhereapplicable,providingthelevelofknowledgenecessarytosatisfytheinnocentpurchaserdefenseunderCERCLA.1.2.1Toachievetheseobjectives,itmaybeappropriatetoperformmorethanasingleiterationofassessment.TheguidefostersaniterativeapproachtoPhaseIIassessmentsandallowstheusertoterminatethePhaseIIESAatthepointwheresufficientdatahavebeengeneratedtomeettheuser''sobjectives.1.2.2AtthecompletionofaPhaseIIESA,theenvironmentalprofessionalshouldbeabletoconclude,ataminimum,thateither(a)theESAhasprovidedsufficientinformationtorenderaprofessionalopinionthatthereisnoreasonablebasistosuspectthepresenceofhazardoussubstancesorpetroleumproductsatthepropertyassociatedwiththerecognizedenvironmentalconditionsunderassessment,or(b)theESAhasconfirmedthepresenceofhazardoussubstancesorpetroleumproductsatthepropertyunderconditionsthatindicatedisposalorrelease.IftheinformationdevelopedintheESAisinsufficientfortheenvironmentalprofessionaltoreacheitheroftheseconclusions,theenvironmentalprofessionalmayrecommendadditionaliterationsofassessmentifwarrantedtomeettheobjectivesoftheuser.Iftheenvironmentalprofessionalreasonablysuspectsthatunconfirmedhazardoussubstanceorpetroleumreleasesremainbutconcludesthatfurtherreasonableassessmentisnotexpectedtoprovideadditionalinformationofsignificant......
【中国标准分类号】:Z04
【国际标准分类号】:13_020_30
【页数】:14P.;A4
【正文语种】: