住房和城乡建设部关于发布《石油化工钢制设备抗震设计标准》等4项工程建设标准英文版的公告

　　现批准《石油化工钢制设备抗震设计标准》（GB/T50761-2018）、《石油化工钢制设备抗震鉴定标准》（GB/T51273-2018）、《石油化工工程数字化交付标准》（GB/T51296-2018）、《建筑设计防火规范（2018年版）》（GB50016-2014）等4项工程建设标准英文版。工程建设标准英文版与中文版出现异议时，以中文版为准。

　　该4项工程建设标准英文版由住房和城乡建设部组织中国计划出版社有限公司出版发行。

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　  　　　　　　　　　　  住房和城乡建设部
　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　    　　　 　　　 2021年9月18日

3.4.2 Fire separation distance between Class A factory building and important public buildingshall be not less than 50m , and shall be at least 30m away from open flame or sparking site.

3.4.3 Fire separation distance between Class A factory buildings with combustible gas or vapor andrailway or road shall be not less than those specified in Table 3.4.3. However, if safety measures aretaken for the loading and unloading lines of the railway in Class A factory buildings their fire separationdistance may not be limited by those specified in Table 3.4.3.Table 3.4.3 Fire separation distance between Class A factory buildings withcombustible gas or vapor and railway or road(m)NameCenterline of off-factoryCenterline of in-factoryOff-factory roadsideIn-factory roadsiderailwayrailwayPrimarySecondaryClass A factory building302015105

3.4.4 Fire separation distance between high-rise factory building and Class A, B, C liquid tank,combustible and combustion-supporting gas tank, LPG tank, stackyard for combustibles (exceptcoal and coke yards) shall comply with the requirements of Chapter 4 of this code, and shall be notless than 13m.

3.4.5 Where the fire-resistance class of Clas C, D and E factory building and civil building is Class Ior Class Ⅱ , the fire separation distanee between the factory building and civil building may be reducedto some extent, but shall comply with the following requirements:

1 Where the higher exterior wall is a fire wall without door, window or other openings, or theexterior wall within 15m higher than the roofing of the adjacent lower building and the part of theexterior wall below is fire wall without door, window or other opehings, the fire separation distance isnot limited;

2 If the adjacent lower exterior wall is fire wall and the roof has no skylight or opening and thefire-resistance rating of roof is not less than 1.00h, or the adjacent higher exterior wall is fire wall and theopening in the wall is properly fire protected, the fire separation distance may be reduced, but shall benot less than 4m.

3.4.6 If equipment for chemical flammables is provided outside the factory building, the fire separationdistance between the outer surface of the equipment and the outer surface of auxiliary equipment of theadjacent factory building or the exterior wall of the adjacent factory building shall be not less than thosespecified in Article 3.4.1 of this code. The outdoor equipment made of noncombustible materials maybe regarded as Class I or Class Ⅱ building when determining the fire separation distance.If Class C liquid tank with the total volume not greater than 15m³ is directly buried outside theexterior wall of the factory building and the exterior wall within 4.0m from the tank is fire wall, the fireseparation distance is not limited.

3.4.7 Fire separation distance between two adjacent wings of a U-shaped or W-shaped factorybuilding should not be less than those specified in Article 3.4.1 of this code. However, where the firstfloor area of the factory building is less than the maximum permissible gross floor area of each firecompartment specified in Article 3.3.1 of this code, the fire separation distance may be not less than6m.

3.4.8 Except high-rise factory buildings and Class A factory buildings, where the sum of the first floorarea of several factory buildings is less than the maximum permissible gross floor area of the fire

9 Heating, ventilating and air conditioning9.1 General requirements9.1.1 Heating, ventilating and air conditioning systems shall be provided with fire protection measures .

9.1.2 Air in Class A and B factory buildings shall not be recirculated.Air containing combustibles or explosive dusts or fibers in Class C factory buildings shall bepurified before recirculation. The dust concentration in such air shal be 25% lower than its LEL.

9.1.3 Air supply and exhaust equipment serving Class A and B factory buildings shall be installedin different ventilation rooms; such exhaust equipment shall not be installed in the same ventilationro n msm9.1.4 Natural ventilating or independent mechanjeal yentilating facilities shall be provided forrooms containing substances of fire or explosion/hazards in civil buildings, and such air shall notbe recirculated.

9.1.5 Where air contains combustible gases which are lighter than air, the horizontal air exhaust pipesshall be laid upward along the airflow direction.ventilation equipment rooms or yentilating pipes , and shall not be laid next to the ventilating pipes.

9.2 Heating9.2.1 The average surface/ temperature of radiators in factory buildings that have combustible dustsana s s a t s ngtrestles shall be not greater than 130℃.

9.2.2 Open flame and electric heating devices must be strictly prohibited in Class A and B factorybuildings(storages).

9.2.3 Non-recirculating warm air shall be provided for the heating of the following factorybuildings:

1 Factory buildings that accumulate combustible gases, vapors, dusts or fibers during theproduction process and may cause fire when contacting with the surfaces of heating pipelines andradiators;

2 Factory buildings that accumulate dusts during the production process and may causeswpo o n w g n oervapor.

9.2.4 Heating pipelines shall not penetrate rooms containing such gases, vapors or dusts that maycause combustion or explosion when contacting with the heating pipelines. Noncombustible materialsshall be used for heat insulation if they are to penetrate such rooms.

9.2.5 A certain distance shall be kept between heating pipelines and combustibles, and shall complywith the following requirements:

1 The distance shall be not less than 100mm or noncombustible materials shall be used for heatinsulation, where the surface temperature of heating pipeline is greater than 100℃;

9 Spherical tanks supported by columns9.1 General requirements9.1.1 The seismic design of a spherical tank with adjustable or fixed type tie rods which is supportedby columns along the equator plane(with the centerlines of the columns being tangent to or secant to theinner wall of the spherical shell)shall meet the requirements of this chapter.

9.1.2 The appearance of spherical tanks that require seismie appraisal shall meet the followingrequirements:

1 The connection welds between the spherical shell ane column, column and lugs, tie rods andwing plates shall be equal strength joints as that of the eorresponding thinner parts. The weld joints shallbe fully filled, and shall be free of any surface defect;h s t s i s t esubstantially the same. The tie rods shall not be welded together at their cross points;

3 The anchor bolts of the support columns shall not be deformed obviously;

4 The anchor bolts of the support eolumns shall be fastened with double nuts, or provided withanti-loosening devices.

9.1.3 The seismic appraisal and checking of spherical tanks shall involve :

1 Strength checking and stability checking for support columns;

2 Strength checking for anchor bolts;览

3 Strength checking for base plate;

4 Strength checking for tie rods;

5 Strength checking for pins, gussets and wing plates;6Strength checking for connection welds between the gussets and support columns, tie rods andwing plates, and support columns and spherical shell.

9.1.4 The earthquake action on spherical tanks shall be calculated according to the requirements of thecurrent national standard GB/T 50761 Standard for Seismic Design of Petrochemical Steel Equipments.

9.2 Earthquake effect and seismic checkingl s s os o lr d tedaccording to the following formula:G =mcqg

(9.2.1)nWhere:Geq—gravity load applied on each support column when spherical tank is under operating condition(N);meq—equivalent mass of spherical tank under operating condition(kg) , which is calculated according tothe relevant requirements of the current national standard GB/T 50761 Standard for SeismicDesign of Petrochemical Steel Equipments;n—quantity of support columns.

9.2.2 The maximum bending moment caused by horizontal earthquake action and horizontal windforce may be calculated according to the following formulas :

12 Air-cooled heat exchangers12.1 General requirements12.1.1 The seismic appraisal of horizontal, inclined-top, wet and dry-wet combined air-cooled heatexchangers(hereinafter referred to as "air coolers")shall comply with the requirements/of this chapter.

12.1.2 The appearance of air coolers that require seismic appraisal shall meet the followingrequirements:

1 For the tube bundles of air coolers installed on ground where the seismic precautionaryintensity is 7 degree and above or installed on load bearing structure, measures shall be taken to limittheir lateral and vertical displacement;Th o s s ywelds, the welds shall be continuous welds around the periphery of pedestal plate , and the height of filletweld shall not be less than the thickness of the thinner part of two weldments;

3 Each column of the air cooler structure shall be provided with at least 4×M24 anchor bolts andthe thickness of the pedestal plate shaflnot be less than 20mm;connected.I e a s s m og emne micprecautionary intensity is less than 8 degree, the air cooler structure directly installed on the ground maynot be subjected to seismic checking. Where the design basic seismic acceleration of ground motion isless than 0.40g, or the seismic precautionary intensity is less than 9 degree, the anchor bolts and thicknessof pedestal plate of the columns of the air cooler structure may not be subjected to seismic checking.

12.1.4The horizóntal earthquake action on the air cooler structure along the direction of either mainaxis shall be calculated and seismic checking shall be carried out.

12.1.5 The seismic precautionary category of air coolers shall be category B stipulated in the currentnational standard GB 50453 Standard for Classification of Seismic Protection of Buildings and SpecialStructures in Petrochemical Engineering.

12.2 Earthquake effect and seismic checking12.2.1 The basic natural vibration period of air coolers may be calculated according to the followingrequirements:

1 The basic natural vibration period of structures with diagonal bracings(Figure 12.2.1-1)may betaken as 0.2s.Figure 12.2.1-1 Structures with diagonal bracings2 The basic natural vibration period of trussed structures (Figure 12.2.1-2) may be calculatedaccording to following formulas:

3 Basic requirements3.1 Classification of importance factors3.1.1 In seismic design, the seismic importance factor of equipment shall be classified into the followingfour(4) categories according to the intended use of the equipment and the hazardness by earthquakedamage:

1 Category 1: The equipment except those listed in category 2,eategory 3 and category 4.

2 Category 2: Category Ⅱ pressure vessels specified imn the safety technical specifications forspecial equipment TSG 21 Supervision Regulation on Safery Technology for Stationary PressureVessel, category Ⅱ storage tanks as classified according to the current industrial standard AQ 3053Safety Technical Code for Vertical Cylindrical Steel Welded Tank, heaters, and the vertical vesselswhich have a height of 20m to 80m.

3 Category 3: Category pressure vessels specified in the safety technical specifications forspecial equipment TSG 21 Supervision Regulafion on Safety Technology for Stationary PressureVessel, category storage tanks as elassified according to the current industrial standard AQ 3053Safety Technical Code for Vertical Cylindrical Steel Welded Tank, and the vertical vessels supportedby skirts which have a height of more than 80m.

4 Category 4: The equipment for firefighting purposes.

3.1.2 In seismic calculation, the seismic importance factor of the equipment shall be selected accordingto its seismic importance category as shown in Table 3.1.2Table 3.1.2 Importance factorCategory of seismic importanceCategory 1Category 2Category 3Category 4ofequipmentImportange factor η

0.90

1.00

1.10

1.20

3.2 Seismic influences3.2.1 Except for heater, the seismic influence on the equipment in region where an earthquake occursshall be characterized by the design basic acceleration of ground motion and characteristic period ofdesign ground motion spectrum corresponding to the seismic fortification intensity.

3.2.2 The correspondence between the design basic acceleration of ground motion and the seismicfortification intensity is as shown in Table 3.2.2.Table 3.2.2 Correspondence between the design basic acceleration of ground motionand the seismic fortification intensityDesign basic acceleration of0.05010g0.15g0.20g0.306

0.40gground motionSeismic fortification intensity6789Note: g refers to gravitational acceleration.

3.2.3 The characteristic period of seismic influences shall be determined based on the designearthquake group and site class of the region where the equipment is located. The characteristic periodof each design earthquake group is shown in Table 3.2.3.

4 Seismic action and seismic checking4.1 General requirements4.1.1 The seismic action and seismic checking of equipment shall meet the following requirements:

1 The seismic action on the equipment in horizontal direction shalt be calculated and the seismicchecking shall be carried out.Where the design basic acceleration of ground motion is 0.20g to 0.40g, or the seismicfortification intensity is 8 degree or 9 degree, horizontal vessels with adiameter greater than 4m and thespacing between the two supports greater than 20m, verticalvessel with a height greater than 20m, andstack of heater mounted on ground, the seismic action on the equipment in vertical direction shall becalculated and seismic checking shall be carried out3 For the equipment mounted on framework, the seismic amplification effect of the framework shallbe taken into account.

4.1.2 Where the design basic acceleration of ground motion is 0.05g, or the seismic fortificationintensity is degree 6, the calculating of seismic action for equipments of category 1 and category 2 may4.1.3 The seismic action on the equipment should be calculated according to the following methods:

1 Base shear method may be performed for the following equipments:

1) Vertical vessel with à height of less than or equal to 10m.

2)Vertical vessel with a height/diameter ratio ofless than 5, and mass and stiffness relativelyuniformly distributed along the height.

3) Vessel which can be treated as an equivalent single mass point system.2Mode superposition response spectrum should be performed for the vessels except for thosestipulated in Item 1 of this article.

3 Where the design basic acceleration of ground motion is greater than or equal to 0.30g, theseismic action on vertical vessels with a height of greater than 120m and a height/diameter ratio ofgreater than 25 and vertical cylindrical storage tanks with a capacity greater than 15×104m³ should besubject to supplemental calculation using time-history analysis method.

4.1.4 When time-history analysis method is performed, the time-history curves consisting of at leasttwo sets of actual strong ground motion records and one set of simulated ground motion shall be selectedaccording to the design earthquake grouping and the site class of the region where the equipment islocated. The average seismic influence coefficient curve shall be statistically consistent with the seismicinfluence coefficient curve used in mode superposition response spectrum method. The maximum valueof the acceleration of ground motion for time- history analysis may be shown in Table 4.1.4.When time-history analysis method is performed,the shear force at base of the equipment calculatedwith each time-history curve shall not be less than 65% of the calculation result from mode superpositionresponse spectrum method, and the average value of shear forces at base of the equipment calculatedwith multiple time-history curves shall not be less than 80% of the calculated result from modesuperposition response spectrum method.

4 Delivery basis4.1 General requirements4.1.1 The delivery basis shall be developed according to the information delivery strategy of theproject.

4.1.2 The delivery basis shall include the plant breakdown structure, class líbrary, plant object tagspecification, document naming and numbering specification, deliverables specification and quality auditspecification,etc.

4.2 Plant breakdown structure4.2.1 The plant breakdown structure should be divided according to the process flow and/or layout,and may be divided according to Figure 4.2.1,Plant建UnitArea 1Subarea 1Subarea 2Area 2SystemSubarea 1Subarea 2Area 2住房城乡Figure 4.2.1 Plant breakdown structure4.2.2Plant objects and documents shall be correlated with the plant breakdown structure. Thecorrelation may be established according to Figure 4.2.2.3D modelDesign temperature: 100℃Plant breakdown structureDataDiameter: 1800 mmDesign pressure: 0.3MPaPlant objectsT-101(tray column)P&IDdocumentsAssociatedProcess equipment data sheetEquipment layout drawingGeneral descriptionUnassociatedSite leveling plandocumentsKick-off reportFigure 4.2.2 Correlation of plant objects and documents with plant breakdown structure

6 Delivery process6.1 Information delivery policy6.1.1 The information delivery strategy shall specify the objectives of information delivery and theorganizations, work scope and responsibilities of the participants.

6.1.2 The information delivery strategy shall specify the laws, regulations and standards to befollowed.

6.1.3 The information delivery strategy shall specify the orgamization.storage and delivery patterns.

6.1.4 The information delivery strategy shall specify the acceptance criteria.

6.1.5 The information delivery strategy shall include the workflow of information delivery, whichshould be carried out according to Figure 6.1.5.Development of information delivery basisClass libraryPlant breakdownstructuretag specificationsPlant objectsDeliverablesThe document naming andspecificationsspecificationsnumbering specificationsDevelopment of information delivery schemeInformation integration and yerificationDataDocuments3D model住房城乡Quality auditreportApprovdNo-YesInformation handoverInformation acceptanceApprovedNoYesAcceptance reportFigure 6.1.5 Workflow of information deliveryTaskContent/resultConditions