Overview Of Building Codes, Building Energy Codes And .

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2013/SCSC/WKSP1/013Overview of Building Codes, Building Energy Codesand Green Building Codes in ChinaSubmitted by: China Academy of Building Research (CABR)Workshop on Sharing Experiences in theDesign and Implementation of GreenBuilding CodesLima, Peru5-7 March 2013

3/4/2013March 6th 2013 Miraflores Hilton Hotel Lima, PeruA Joint APEC-ASEAN WorkshopSharing Experiences in the Design and Implementation of Green Building CodesOverview of Building Codes, Building EnergyCodes and Green Building Codes in ChinaProf. XU WEIDirector of Institute of Building Environment and Energy EfficiencyChina Academy of Building Research1China Academy of Building Researchz Founded in 1953z 2179 research project completedz More than 3000 researchersz The turnover from main business was 7 billionRMB (1.2 billion USD) in 2012.Main R&D field of CABRz Building Machineryz Foundation Engineeringz Building Structuresz Building Fire Preventionz Building Materialsz Earthquake Engineeringz Building Softwarez Building Physics and Energy system21

3/4/2013Main R&D field of CABR-IBEEInstitute of Building Environment and Energy EfficiencyzzzzBuilding acousticsBuilding lightingBuilding thermal environmentFenestrationzzCentral heating and heat meteringHVAC equipment development and integrationzzzzRenewable energy in buildingBuilding certification,Green buildingEnergy management contract3Contents China National Standardization (codes & standards) system China Building Law & Codes China Building Energy Codes & Standards Overview International Building Energy Codes & Standards Comparison Research Green Building Standards Incentive Policies of Green Building42

3/4/2013China National Standardization systemChina Standardization Law National Codes & Standards(Mandatory clause Voluntary clause) Industry Codes & Standards(Mandatory clause Voluntary clause) Local (Provincial) Codes & Standards (Mandatory or Voluntary) Society & Association Standards Corporation (Company) StandardsMandatory: Health, personnel and property safetye.g: For the underground water source heat pump system, the water must be rejected into the same aquifer.5China National Standardization systemChina Managed by the government Compiled by the leading academy (Institute) Codes and standards with Mandatory clauses Voluntary clausesU.S. Managed by the States & Societies. Compiled by the Societies. Technical Code (Law) Recommended standards63

3/4/2013China National Standardization systemIn HVAC FieldChina Standardization LawStandardizationAdministration of P.R.ChinaHeating Ventilating and AirConditioning and purificationISO/TC86/SC6,TC142 ,TC144 ,TC116,TC209.(AHRI)RefrigerationISO/ TC86/SC2&SC7CARChina Academy ofBuilding ResearchMinistry of Housing and Urban-RuralDevelopment of P.R.China (MOHURD)FreezeISO/TC86/SC1&SC4Hefei GeneralMachine ResearchInstitutePRODUCTEngineering Construction StandardizationHVAC Project Standardization(e.g. ASHRAE)China Academy ofBuilding ResearchOtherAcademyENGINEERING7China National Standardization systemCode for Design of Heating Ventilation and Air ConditioningMinistry of Housing and Urban-Rural Development of P.R.China (MOHURD)2008 Codes & Standards Plan2008 Codes & Standards PlanCode name: Code for Design of Heating Ventilation and Air ConditioningTake charge organization: China Academy of Building ResearchParticipate organization: 39 other organizationsTimetable: June 2008-Dec 2010. Kick off meeting: Dec 2008 15 Workshops based on the Chapter: March 2009---June 2010 Draft version for comments nationwide: June 2010 4 workshops to discuss the comments : June – August 2010 Summit to the MOHURD: Nov 201084

3/4/2013Similarity:(1)PRC(2)Series number (number year)(3) Chinese name and English name(4) Publication date, Implement date(5) Publication authority9Differences:(1)National Standards VS ConstructionIndustry Standards (1,2,3 VS 4)(2) Approved by Ministry of Housing andUrban-Rural Development and GeneralAdministration of Quality Supervision,Inspection and Quarantine VS Approved byMOHURD (1,2,3 VS 4)(3) GB VS GB/T (1,2 VS 3)GB national standard T recommend(4) English name: Code VS Standard National Codes & Standards(Mandatory clause Voluntary clause) Industry Codes & Standards(Mandatory clause Voluntary clause)105

3/4/2013Contents China National Standardization (codes & standards) system China Building Law & Codes China Building Energy Codes & Standards Overview International Building Energy Codes & Standards Comparison Research Green Building Standards Incentive Policies of Green Building11Building Law of P.R.ChinazApproved by People's Congress Standing Committee on Nov 1st 1997zRevised on 2011.Main Contentz Endowmentsz project bidding and contractingz construction supervisionz construction safety managementz construction engineering quality management,z legal liability126

3/4/2013China Building CodesCode for design of building foundationLoad code for the design of building structuresGB50007-2011GB50009-2012Code for design of concrete structuresGB50010-2010Code for seismic design of buildingsGB50011-2011Code for design of building water supply anddrainageGB50015-2003Code for fire protection design of buildingsGB50016-2006Standard for lighting design of buildingsGB50034-2004Design code for heating ventilation and airconditioning of civil buildingsGB50736-2012etc13Contents China National Standardization (codes & standards) system China Building Law & Codes China Building Energy Codes & Standards Overview International Building Energy Codes & Standards Comparison Research Green Building Standards Incentive Policies of Green Building147

3/4/2013China Building Energy Codes & Standards : BackgroundChina GDPtrends from1978 - 2009Data from National Bureau of Statistic of China1515China Building Energy Codes & Standards : Background Huge energy consumption with high growth rate. Low carbon energy grows fast in recent years while small in proportion. The total energy consumption more than doubled from 2002 to 2009. Thenumber was 3.48 billion tce in 2012.Energy consumption in ChinaChina’s building energyconsumption grows with a highspeed, which increased byalmost 2 times from 2003 to 2009.Energy consumption(billion tons tec) 502002200320042005200620072008200916168

3/4/2013China Building Energy Codes & Standards : Background According to the forecast of Chinese Academy of Engineering(CAE),China's energy consumption will reach 7.9 billion tons tec in 2020 if it keepsthe increasing with 8.9% every year. So China must use more energy efficiency technologies and renewableenergy in buildings.17China Building Energy Codes & Standards : Start MOUHRD had started to organize the building energy efficiency worksince 1980’s Principle of considering the region & type of building North - Central - South Residential - Public New Construction - Retrofit189

3/4/2013Building Classification Residential Building:– House, apartment, dormitory, the residentialpart in mixing building, nursery,kindergarten, etc.建筑Building民用建筑Civil Building工业建筑IndustrialBuilding Public Building:– Office Building– Shopping, Finance �Public Building– Hotel and place of entertainment– Buildings for education, science, culture,Gymnasium and public health services– Buildings for communication, post andbroadcasting Building includes Civil Building andIndustrial BuildingCivil Building includes ResidentialBuilding and Public Building– Buildings for transportation(Airport,Train station, etc.)1919China Building Energy Codes & StandardsLatest version.Latest version.Implementing onAug.1st, 2010Implementing on Jul1st, 2005;Implementing onAug.1st, 2010For residential building: Based on climatezone.Under revisedFor Public building: Not based on climatezone.Implementing onOct.1st, 2003Under revised10

3/4/2013China Building Energy Codes & StandardsHeating forResidential1995Hot summer &coldwinter zoneHot summer & warmwinter zones2001 JGJ 26-86: Design JGJ 134-2001: Designstandard for Civil Buildings standard for energyefficiency of residential JGJ 26-1995: Designbuildings in hot summerstandard for Civil Buildings and cold winter zone(Heating part forResidential Buildings) JGJ 134 -2010Revision JGJ 26-2010: Designstandard for energyefficiency of residentialbuildings in severe coldand cold zones2003Public Buildings2005 JGJ75-2003: Design GB 50189-2005:standard for energyefficiency ofresidential buildings inhot summer andwarm winter zoneDesign standard forenergy efficiency ofpublic buildings Revising Revised on 201121China Building Energy Codes & Standards Type of the Codes & Standards– Design(e.g. Design standards for energy efficiency of residential / public building)– Construction(e.g. Code for acceptance of energy efficient building construction,Technical specification for energy conservation renovation of existing residential/ publicbuilding)– Operation(e.g. Standard for energy consumption survey of civil buildings)– Test and Evaluation( e.g. standard for energy efficiency test of residential /public buildings, Evaluation standard for green building) Principle of Implement– Mandatory:Standards for Design & Construction– Voluntary: Standards for Operation, Test & Evaluation222211

3/4/201323Laws and Regulations Law of the People's Republic of China on Conserving Energy Law of the People's Republic of China on Renewable Energies Regulation on Civil Building Energy Conservation. 12th Five Year Plan for the National Economy and Social Development Long-term Planning on Renewable Energy Development 12th Five Year Energy Saving and Emission Reduction ComprehensiveWork Program2412

3/4/2013Status in QuoNationalWide 23%of the urban existing buildings are energy efficient buildings Public buildings’ (nonresidential buildings) electricity powerconsumption intensity is 50-120 kWh/m2 each year Urban heating energy consumption from 0.0243 tce/ m2 in 1996drops off to 0.0166 tce/ m2 in 2011North Thermal comfort level is low in old buildings. Winter average indoor temperature is 8-16 in the rural area People in the rural area have less domestic hot water to use Air conditioning energy efficiency is low Passive energy saving measures not in widely useCentral Indoor thermal comfort is poor during winter Decentralized heating or local heating is widely usedSouth Passive energy saving measures are not widely used effectivelyeither. It results in the bad indoor thermal comfort in summer and lowenergy efficiency25AchievementsStandard SystemRenewable Energy Building energy regulationsystem Building energy efficiencystandard system 580 demonstration projects 200 demonstration citiesand countiesEnergy efficiency retrofitting 15 provinces havecomplete the retrofittingarea of 316 Mm2Campus Pilot 114 Resource SavingCampus PilotBy the endof 2011Supervision system 34059 buildings have energyconsumption statistics 1500 buildings implementthe energy consumptiondynamic monitoringGreen Building 353 projects get theGreen BuildingCertification2613

3/4/2013Contents China National Standardization (codes & standards) system China Building Law & Codes China Building Energy Codes & Standards Overview International Building Energy Codes & Standards Comparison Research Green Building Standards Incentive Policies of Green Building27BackgroundInternational: Low-carbon and sustainable development Building energy efficiency codes upgrade Zero-Energy Building.Domestic: Building energy efficiency codes upgrade Building energy efficiency VS Cost effective2814

3/4/2013Comparison EconomiesChina a-U.S. CleanEnergy ResearchCenter experts inChinaCABRAsia-pacificPartnershipexperts in ChinaChina-GermanBEE collaboration29Comparison EconomiesInternationalASHRAEOrganizationsPNNLEF China sustainable energy programCIBSEBRESHASENorth America: U.S.Europe: EPBD UK Germany DenmarkAsia: JapanREHVA3015

130 125 120 115 110 105 100 95908580757065Longitude31EU: Energy Performance of Building Directive 2002 Energy Performance of Building Directive 20103216

3/4/2013UK:BUILDING REGULATIONS-PARTL33JapanCriteria for Clients on the Rationalization of Energy Use for Buildings (CCREUB)Design and Construction Guidelines on the Rationalization of Energy Use for Houses (DCGREUHCriteria for Clients on the Rationalization of Energy Use for Houses (CCREUH)PAL (Perimeter Annual Load):CEC (Coefficiency of Energy Consumption):3417

3/4/2013International Meeting TOPICChina-US building energy efficiency codes andstandards workshopChina-US building energy efficiency and carbonemission workshopASHRAEBREChina-UK building energy codes and standards seminarCIBSEChina-UK building energy codes and standards seminarBelgium, BrusselsREHVAREHVA Technical Seminar on Buildings Related EURegulations and ProjectsBelgium, BrusselsEuropean CommissionDirectorate-General forEnergy.China-EU Building Energy Policies g CodesLEED V3Federal Energy Management ProgramUS.San FransicioLBNLASHRAE 90.135International European CommissionDirectorate-General forEnergy.U.S.-PNNL3618

3/4/2013Outcome(1) Research and Comparison on InternationalBuilding energy codes & Standards(2) Suggestions to MOHURDzMore clear goal of energy savingzMid-long term planningzAdvanced design guidezMore content in the code (eg.Renewable energy)zMore detailed climate zoneszAdjust the calculation baselineaccording to the situation now37Contents China National Standardization (codes &

2013/SCSC/WKSP1/013 Overview of Building Codes, Building Energy Codes and Green Building Codes in China Submitted by: China Academy of Building Research (CABR) . Standard for lighting design of buildings GB50034-2004 Design code for heating ventilation and air conditioning of civil buildings GB50736-2012 etc

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