GB 18584-2001 室内装饰装修材料木家具中有害物质限量 英文版

GB 18584-2001 室内装饰装修材料木家具中有害物质限量 英文版

1. Scope
This standard has stated the limit of harmful substances in the wood-based furniture, testing method and test principles.
This standard is applicable to all kinds of indoor wood furniture products.
2. Normative Standards Quoted
Clauses in the following documents have been quoted by this standard and become clauses of this standard. For documents marked with time, their amendments (amendments to errors excluded) or revise versions are inapplicable. But, it is encouraged that parties that have reached on an agreement can discuss whether the latest edition of these documents can be adopted. For documents without date, their latest editions are applicable to this standard.
GB 6682-1992 Water for Analytical Laboratory Use --- Specification and Test Methods (idt ISO 3696:1987)
GB/T 9758.1-1998 Paints and Varnishes--Determination of "Soluble" Metal Content --- Part 1: Determination of Lead Content --- Flame Atomic Absorption Spectrometric Method and Dithizone Spectrophotometric Method (idt SIO 3856.1:1984)
GB/T 9758.1-1998 Paints and Varnishes--Determination of "Soluble" Metal Content --- Part 4: Determination of Cadmium Content --- Flame Atomic Absorption Spectrometric Method and Polarographic Method (idt ISO 3856.4:1984)
GB/T 9758.1-1998 Paints and Varnishes --- Determination of "Soluble" Metal Content --- Part 6: Determination of Total Chromium Content of the Liquid Portion of the Paint --- Flame Atomic Absorption Spectrometric Method (idt ISO 3856.6:1984)
GB/T 9758.1-1998 Paints and Varnishes --- Determination of "Soluble" Metal Content --- Part 7: Determination of Mercury Content of the Pigment Portion of the Paint and of the Liquid Portion of Water --- Dilute Paints --- Flameless Atomic Abs (idt ISO 3856.7:1984)
GB/T 17657-1999 Test Methods of Evaluating the Properties of Wood-based Panels and Surface Decorated Wood-based Panels
3. Terms and Definitions
The following terms and definitions are adopted in this standard.

GBT 14285- 2006 继电保护和安全自动装置技术规程 英文版

GBT 14285- 2006 继电保护和安全自动装置技术规程 英文版

Technical Code for Relaying Protection and Security Automatic Equipment


1. Scope

This Code has stated the fundamental principles on the power system relaying protection and security automatic equipment. These principles shall be executed by related scientific research, design, manufacture, construction and operation departments.

This Code is applicable to the relaying protection in power equipment and circuits and the security automatic equipment that are used in the 3kV-or-higher power system.

2. Normative Standards Quoted

Clauses in the following documents have been quoted by this standard and become clauses of this standard. For documents marked with time, their amendments or revise versions are inapplicable. But, it is encouraged that parties that have reached on an agreement can discuss whether the latest edition of these documents can be adopted. For documents without date, their latest editions are applicable to this standard.

GB 16847-1997 Requirement for Protective Current Transformers for Transient Performances

GB/T 7409.1-7409.3-1997 Excitation System for Synchronous Electrical Machines-Definitions

DL/T 553-1994 Technical Specification of Dynamic Fault Recording for 220kV-500 kV Power System
DL/T 667-1999 Tele-control Equipment and Systems Part 5:Transmission protocols, Section 103 Companion Standard for the Information Interface of Protection Equipment (idt IEC 60870-5-103)
DL/T 723-2000 Guide on Security and Stability for Power System
DL 755-2001 Guide on Security and Stability for Power System
DL/T 866-2004 Guide of Selection and Calculation of Current Transformer and Voltage Transformer
IEC 60044-7 Instrument Transformers-Part 7: Electronic Voltage transformers
IEC 60044-8 Instrument Transformers-Part 8: Electronic Current transformers
IEC 60255-24 Electrical relays – Part 24: Common format for transient data exchange (COMTRATE) for power systems
IEC 60255-26 Measuring relays and protection equipment-part 26: Electromagnetic Compatibility requirements for measuring relays and protection equipment.

3. General

GB T 5137-2-2002 汽车安全玻璃试验方法--光学性能试验 英文版

GB T 5137-2-2002 汽车安全玻璃试验方法--光学性能试验 英文版

Test Methods of Safety Glazing Materials Used on Road Vehicles
Part 2: Optical Properties Test;
1. Scope
This part of GB/T 5137 has stated the test method for the optical properties of safety glass used for road vehicles.
This part is applicable for the road vehicle safety glass (hereinafter referred to as safety glass.)The safety glass includes glass products processed from all kinds of glass or the combination of the glass and other materials, but excludes plastic safety glass.
2. Test Conditions
Except special regulations, the test shall be carried out under the following conditions:
A) Environmental Temperature: 20℃±5℃;
B) Air Pressure: 8.60*104Pa-1.06*105Pa;
C) Relative Humidity: 40%-80%.
3. Test Application Conditions
For some safety glass that can have the test result predicted from the known properties, not all tests shall be carried out.

GB T 5137-1-2002 汽车安全玻璃试验方法--力学性能试验 英文版

GB T 5137-1-2002 汽车安全玻璃试验方法--力学性能试验 英文版

Test Methods of Safety Glazing Materials Used on Road Vehicles
Part 1: Mechanical Properties Test
1. Scope
This part of GB/T 5137 has stated the test method for the mechanical properties of safety glass used for road vehicles.
This part is applicable for the road vehicle safety glass (hereinafter referred to as safety glass.). The safety glass includes glass products processed from all kinds of glass or the combination of the glass and other materials, but excludes plastic safety glass.
2. Standards Quoted
Clauses in the following documents have been quoted by this standard and become clauses of this standard. For documents marked with time, their amendments or revise versions are inapplicable. But, it is encouraged that parties that have reached on an agreement can discuss whether the latest edition of these documents can be adopted. For documents without date, their latest editions are applicable to this standard.
GB/T 531-1999 Rubber-Determination of Indentation Hardness by Means of Pocket Hardness Meters (idt iso 7619:1986)
3. Test Conditions
Except special regulations, the test shall be carried out under the following conditions:
A) Environmental Temperature: 20℃±5℃;
B) Air Pressure: 8.60*104Pa-1.06*105Pa;
C) Relative Humidity: 40%-80%.

GBT 6680-2003 液体化工产品采样通则 英文版

GBT 6680-2003 液体化工产品采样通则 英文版
General Principles for Sampling Liquid Chemical Products
1. Scope
The standard specifies the terms and definitions, basic requirements, sampling plan and equipment, and operating method for sampling liquid chemical products.
The standard is applicable to the sampling of liquid chemical products with temperature not exceeding 100℃, and pressure at or near normal pressure; while it inapplicable to the sampling of those liquid chemical products with special requirements in their standard specifications.
2. Normative Quoted Documents
The following standards contain the provisions which, through reference in this text, constitute the provisions of the standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. For undated reference, the latest edition of the normative document referred to applies.
GB/T 6678-2003 General Principles for Sampling Chemical Products
GB/T 6679 General Principles for Sampling Solid Chemical Products
GB/T 6681 General Principles for Sampling Gaseous Chemical Products
GB/T 3723-1999 Sampling of Chemical Products for Industrial Use - Safety in Sampling (IDT ISO 3165: 1976)
3. Term and Definition

GBT 986-1988 埋弧焊焊缝坡口的基本形式和尺寸

GBT 986-1988 埋弧焊焊缝坡口的基本形式和尺寸
1 The subject content and scope of application
The national standard prescribed the basic forms and sizes of weld grooves for submerged arc weld.
The national standard is suitable for the submerged arc welding welded joint of carbon steel and low alloy steel.
2 Cited standard
GB 324 Symbolic representation method of welded joint on drawings
3. The basic forms and sizes of weld grooves for submerged arc weld should conform to prescription of Table 1.
4 The symbolic representation of welded joint on drawings should conform to prescription of GB/ T 324.
5 So as to obtain full-penetration weld, the welded joint back gouging is allowed.
6 The basic forms and sizes for butt weld grooves of steel plates with different thickness.

GBT 985-1988气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸 英文版

GBT 985-1988气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸 英文版
1 The subject content cum scope of application
The national standard prescribed different kinds of groove forms and groove sizes for steel welded joints.
The national standard is suitable for welded joint of carbon steel and low alloy steel with gas welding (being used for sheet metal), manual arc welding and gas- shielded welding.
2 Normative reference
GB 324 Symbolic representation method of welded joint on drawings
GB 5185 Welding and soldering of metals-List of processes for symbolic representation on drawings 3 The basic form and size of the welded joint groove is prescribed according to Table 1.

GB_T 1250－1989 极限数值的表示方法和判定方法 英文版

GB_T 1250－1989 极限数值的表示方法和判定方法 英文版
1. Subject content and application scope
This national standard has regulated the written way of limiting value, definition of relative terms, as well as the comparison method between measured value or calculated value and the limiting value specified in the standard.
The standard is applicable to the draft of standards at all levels and the judgment of measurement result.

2. Normative References
GB 8170 Rules for Rounding-off of Numerical Values

3. General rules for writing limiting values
It is regulated by the standard that the checked indicators and parameters should be listed in form of numbers, so as to ensure they are within a range of limit values. It is expressed in minimum and maximum limit value, or basic value and limit deviations.

GB 9439-88 灰铸铁件 英文版

GB 9439-88 灰铸铁件 英文版

1. Subject and the Aspect(s) Covered
This standard specifies grey pig iron grades and technical specifications of castings.
This standard is applicable to sand-casting grey iron castings or grey iron castings whose thermal conduction is equivalent to sand-casting grey iron castings. This standard can also be referred by grey iron castings of other molds.

2. Normative Reference
GB 5612 Code for Representing Cast Iron
GB 6414 Castings - System of Dimensional Tolerances and Machining Allowances
GB 6060.1 Roughness Comparison Specimens Cast Surfaces
GB 977 Methods for Testing Mechanical Properties of Grey Cast Iron
GB 223.1 - 223.5 Methods for Chemical Analysis of Iron
GB 7216 Grey Cast Iron Metallography
GB 5677 Methods of Radiographic Testing and Classification of Radiographs for Steel Castings
GB 7233 Methods for Ultrasonic Testing and for Specifying Quality Levels of Steel Castings
GB 9444 Methods for Magnetic Particle Testing and for Specifying Quality Levels of Steel Castings

3. Grades of Grey Pig Iron

GB 13014-91 钢筋混凝土用余热处理钢筋 英文版

GB 13014-91 钢筋混凝土用余热处理钢筋 英文版
1 Subject Content and Application scope
1.1 Subject content
This national standard specifies the code name, dimension, shape, weight, specifications, testing method, test rules, packaging, and quality certificate of remained heat treatment ribbed steel bars for the reinforcement of concrete.
1.2 Application scope
This national standard is applicable to the remained heat treatment ribbed steel bars for the reinforcement of concrete.
This national standard is inapplicable to the secondary steel bar re-rolled by final steel product.

2 Reference Standards
GB 222 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB 223 Methods for Chemical Analysis of Iron, Steel and Alloy
GB 228 Metal Tensile Test
GB 232 Test Method of Bend of Metal
GB 1499 Hot Rolled Ribbed Steel Bars for The Reinforcement of Concrete
GB 2101 General Rule of Acceptance, Package, Mark and Certification for Profile Steel

3 Terms, Grades, and Code Names
3.1 Terms
3.1.1 Remained heat treatment of ribbed steel bars
It indicates applying water cooling process to the steel bar surface after hot rolling of it, then forging the final steel product through tempering treatment with core remained heat.

GB 50026-2007 工程测量规范 英文版

GB 50026-2007 工程测量规范 英文版
1. General Provisions
1.0.1 For the purpose of unifying technical specifications of engineering survey, and thus make the survey utilize state-of-art technology and realize economic feasibility, ensure a reliable quality and safe application, this national standard is established hereby.

1.0.2 This national standard is applicable to general surveying work in engineering construction.

1.0.3 This national standard takes quadratic mean error as the standard in judging the plotting accuracy and two times the quadratic mean error is taken as the limit error. For projects with higher accuracy requirement, method in Annex A can be used in evaluating the observation accuracy.

Note: Quadratic mean error, closing error, tolerance and comparative difference, other than specified additionally, they shall all be expressed with variation of sign.

1.0.4 Instruments and related devices used in the engineering survey shall be checked and rectified timely, and maintenance shall be reinforced. Prophylactic repair is required.

1.0.5 Quoted measurement sources in the project shall be examined.

1.0.6 For all kinds of surveying work, not only the requirements stipulated in this standard (code), but also those in the current relevant ones of the nation shall be complied with.
2. Terms and Symbols
2.1 Terms
2.1.1 Satellite positioning
Determine the relative position of corresponding points on the surface by using two or more receivers to receive the signals of many position location satellites simultaneously.

2.1.2 Satellite positioning control network
Control Network established by using satellite positioning technology.

2.1.3 Triangular network
Control network formed by a chain of connected triangles. It is a general designation for the previously triangulation network, trilateration network and rim angle.

2.1.4 Triangular network survey
Method to determine the positions of control points through determining the horizontal angle of vertex, length of the sides of each triangle in the triangular network. It is a general designation for the previously triangulation, trilateration survey and triangulateration.

2.1.5 2″class instrument
2" class instrument refers to angular instrument with one measuring-process nominal quadratic mean error in horizontal direction as 2″, including total station instrument, electronic theodolite, and micrometer instrument. Definition methods for 1" class instrument and 6 "class instrument are similar.

2.1.6 5mm class instrument
5mm class instrument refers to instruments with ranging quadratic mean error as 5mm calculated by electrotape nominal accuracy equation when the range measurement is 1km, including range finder and total station instrument. Definition methods for 1mm class instrument and 10mm class instrument are similar.

2.1.7 .Digital topographic map
Topographic map stored in computer data format, made by computer based on terrain intelligence, certain rules and methods.

2.1.8 Paper topographic map
Orthograph that illustrates terrain intelligence with symbols, annotations and contour lines on paper or melinex

2.1.9 Deformation monitoring
The process of monitoring building (structure) and its foundation, foundation pit or displacement, settlement, inclination, flexivity, crack of rock mass or soil body in certain scope and related influencing factors (like underground water, temperature, stress-strain, etc.) and provide the prediction for deformation analysis.
2.2 Symbols
A--GPS Nominal fixed error of the receiver;
α——Nominal fixed error of electrotape;
B——Nominal ratio error coefficient of GPS receiver; width of tunnel excavation surface;
b——Nominal ratio error coefficient of electrotape;

GB 50046-1995 工业建筑防腐蚀设计规范 英文版

GB 50046-1995 工业建筑防腐蚀设计规范 英文版
1 General Provision
1.0.1 This code is formulated to prevent or reduce corrosion of corrosive medium to building and structure, and make anticorrosion design of industrial construction achieve state-of-art technology, economical rationality, safety and suitability and guarantee quality.
1.0.2 This code is applicable to anticorrosion design of industrial building and structure under action of corrosive medium; and it is not applicable to corrosion caused by stray current.
1.0.3 Anticorrosion design of building shall keep prevention first, comprehensively consider anticorrosion measures according to corrosiveness, ambient condition, production, operation, control level and repair condition, through adjusting measures to local conditions and carrying out different measures for difference. Protection shall be strengthened for location has great influence to production, locations endanger personal safety and difficult to be repaired, as well as important supporting member.
1.0.4 Not only the requirements about anticorrosion design of building stipulated in this code, but also those in current relevant ones of the nation shall be complied with.
2 Terms
2.0.1 Corrosiveness classification
According to damage extent of corrosive medium brings to constructional material, such as appearance change, weight change, loss in strength, corrosion velocity and other factors; and make an overall evaluation on corrosiveness level and divide into four levels: strong corrosion, medium corrosion, weak corrosion, and non-corrosion.
2.0.2 Corrosive water
It refers to water that contains negative and positive ion that have corrosive action on constructional material.
2.0.3 Contaminated soil
It refers to soil whose original physical mechanical property and chemical property change owing to action of corrosive medium.
2.0.4 Slightly soluble medium
It refers to alkali and salts medium whose solubility in water is less than 2g/l when at temperature of 20℃.
2.0.5 Soluble medium
It refers to alkali and salts medium whose solubility in water is equal to or about 2g/l when at temperature of 20℃.
2.0.6 Slightly hygroscopic medium
It refers to alkali and salts medium whose relative equilibrium humidity is equal to or about 60% when at temperature of 20℃.
2.0.7 Hygroscopic medium
It refers to alkali and salts medium whose relative equilibrium humidity is less than 60% when at temperature of 20℃.
2.0.8 Inhibitor of steel in concrete
It refers to additive blended into concrete for preventing or slowing down corrosion of reinforcing steel.
2.0.9 Glass-flake mastic resin
It refers to a kind of blending stock that taking resin as cementing agent, added glass flake and powder lot and used for scraping construction.
3 Basic requirements

GB 50050-2007 工业循环冷却水处理设计规范 英文版

GB 50050-2007 工业循环冷却水处理设计规范 英文版 1. General Provision
1.0.1 The code is formulated to implement national water resources saving and environment protection policies, promote the cyclic utilization of industrial cooling water and the sewage reclamations, effectively control and reduce all sorts of harms caused by re-circulated cooling water, guarantee the recuperation efficiency and service life of equipments, decrease the water pollution and enable the industrial cycle cooling water treatment to be state-of-art, economical and practical, and secure and stable.
1.0.2 This code is applied to newly-built, expanded and re-built re-circulated cooling water treatment designs which adopt surface water, groundwater and reuse water as make-up water.
1.0.3 Industrial cooling water treatment design should correspond with demands such as production safety, environment protection, energy conservation and water saving, and is facilitated to carry out construction, maintenance and operation management.
1.0.4 Industrial cycle cooling water treatment design should introduce state-of-art productive practice experience and scientific payoffs and adopt new technique positively and prudently.
1.0.5 Industrial cycle cooling water treatment designs should correspond with relative national current standards and specifications, besides this code.
2. Terms and Symbols
2.1 Terms
2.1.1 Recirculating Cooling Water System
A water-feed system that water circulates as cooling medium, and consist of heat-exchange equipment, cooling equipment, processing facility, water pump, pipe and other relative facilities.
2.1.2 Indirect Open Recirculating Cooling Water System
A circulating cooling water system that the heat is transferred between circulating cooling water and cooling medium cooled, and recirculating cooling water contacts with the atmosphere directly.
2.1.3 Indirect Closed Recirculating Cooling Water System
A circulating cooling water system that the heat is transferred between circulating cooling water and cooling medium cooled indirectly as well as between circulating cooling water and cooling medium.
2.1.4 Totally Closed System
An indirect closed recirculating cooling water system that its circulating cooling water doesn't contact with the atmosphere.
2.1.5 Semi Closed System
An indirect closed recirculating cooling water system that it’s circulating cooling water contacts with the atmosphere partially.
2.1.6 Direct Open Recirculating Cooling Water System (Direct Open Recirculating Cooling)
A circulating cooling water system that the heat is transferred between circulating cooling water and cooling medium cooled, and recirculating cooling water contacts with the atmosphere directly.
2.1.7 Open System
A general term for indirect cooling open system and direct cooling system.
2.1.8 Chemicals
All sorts of chemicals used in treatment process of circulating cooling water.
2.1.9 Count of Aerobic Heterotrophic Bacteria
The heterotrophic bacteria amount per milliliter water counted through Total Bacterial Plate Count, unit (Entry/ml).
2.1.10 Slime
Viscous substances which is mixed of microbes and mucous excretion, and other organic and inorganic impurities.
2.1.11 Slime Content
Slime volume contained in circulating cooling water, measured through biological filtration, unit (mL/ ).

GB 50183-2004 石油天然气工程设计防火规范 英文版

GB 50183-2004 石油天然气工程设计防火规范 英文版
1. General Provisions
1.0.1 This Code is formulated for the purposes of following out "prevention first, incorporation of both prevention and elimination" guidelines, standardizing design requirements, prevent and decrease fire losses, guarantee personal and property safety in the petroleum and gas engineering designs.
1.0.2 This Code is applicable to the fire design for newly-built, expanded and reconstructed onshore oil-gas field projects, pipeline station projects, as well as the offshore oil-gas field's land terminal projects.
1.0.3 The fire design of the petroleum and gas projects must be compliant to the relevant guidelines, policies. Combining the practices, it's shall exactly deal with the relation between production and safety, positively adopts state-of-the-art fireproofing and fire-extinguishing technologies, ensure safe production and cost-effectiveness.
1.0.4 Besides the provisions of this Code, the fire design of petroleum and gas projects also must be compliant to the relevant compulsive standards.
2. Terminology
2.1 Terminologies of oil, gas and fire hazard
2.1.1 Oil
It refers to crude oil, petroleum products (gasoline, kerosene, diesel oil and naphtha, etc.), stabilized light hydrocarbon and stabilized condensate.
2.1.2 Crude oil
It refers to the liquid compound produced from the oil well, giving priority to hydrocarbon.
2.1.3 Natural gas liquid (NGL)
It's the generic term of liquid hydrocarbon compounds recovered from the natural gas but not passed through stabilizing treatment, generally including ethane, liquefied petroleum gas (LPG) and stabilized light hydrocarbon. It's also named as mixed light hydrocarbon.
2.1.4 liquefied petroleum gas (LPG)
It's in the gaseous state under normal temperature and pressure but becomes liquid after compression or cooling. It's mainly consisted of propane, butane and their compounds.
2.1.5 Stabilized light hydrocarbon
It's abstracted from natural gas liquid (NGL) and is mainly consisted of pentane and other heavier hydrocarbon, the end boiling point shall not be higher than 190℃, under the specified vapor pressure, it allows including a little butane. It's also named as natural gasoline.
2.1.6 Gas condensate
It refers to the hydrocarbon liquid abstracted from the condensate gas but not stabilized.
2.1.7 stabilized gas condensate
It's abstracted from the gas condensate and is mainly consisted of pentane and the other heavier hydrocarbon.
2.1.8 Liquefied natural gas (LNG))
It refers to the liquid fluid consisted of methane, together with little ethane, propane, nitrogen and other components.
2.1.9 Boil over
It refers to the water-bearing oil that has heat wave characteristics in combustion, such as crude oil, petroleum residue and heavy oil.
2.2 Terminologies of fire-fighting cooling water and fire-extinguishing system
2.2.1 Fixed fire-fighting cooling water system
It refers to the fire-fighting cooling water system consisted of fixed fire-water pond (tank), fire pump, fire water supply pipeline and fixed cooling water spray system equipped on the storage tank.
2.2.2 Semi-fixed fire-fighting cooling water system
The fixed fire water supply pipeline and hydrants are set up in the tank farm, in case of fire, the water will be pressurized by fire truck or fire pump to spray by the means of water bands and water guns.
2.2.3 Mobile fire-fighting cooling water system
No fire water source is set up in the tank farm, in case of fire, the water will be supplied by fire truck or other water sources to spray by the means of onboard water bands and water guns.
2.2.4 Low expansion foam fire-extinguishing system
It refers to the foam extinguishing system whose expansion factor is less than 20 times.
2.2.5 Fixed low expansion foam fire-extinguishing system
It refers to the low expansion foam fire-extinguishing system consisted of fixed foam fire pump, foam proportioner, foam mixing solution pipeline and the fixed air-foam generator equipped on the storage tank.
2.2.6 Semi-fixed low expansion foam fire-extinguishing system
Fixed air-foam generator is set up on the storage tank, in case of fire, the foam truck or motor pump will supply foam mixing solution through hoses.
2.2.7 Mobile low expansion foam fire-extinguishing system
In case of fire, the foam truck will provide foam through onboard hoses and foam generators.
2.2.8 Smoke fire-extinguishing system
It's consisted of smoke generator, detection and initiating device and the sprayers. in case of fire, it can automatically inject fire-extinguishing smoke to the storage tank.
2.2.9 Dry powder fire-extinguishing system
It's consisted of dry powder storage device, actuating device, pipeline, sprayer, fire alarm and interlink control device, it can automatically or manually inject powder extinguishing agents to the protected objects.
2.3 Terminologies of oil gas production facilities
2.3.1 Petroleum and gas station
It's a general designation for the station, storage, plant, farm, oil and gas well that can collect, purify, store and transport petroleum and gases. It's called petroleum and gas station or station for short.
2.3.2 Oil station
It refers to the stations that have crude oil collection, purifying treatment, storage and transportation functions, or that storage and transportation of natural gasoline and stabilized gas condensate, or that have product oil pipeline transportation functions.
2.3.3 Natural gas station
It refers to the station that has natural gas collection, transportation and purifying treatment functions.
2.3.4 LPG and NGL station
It refers to the stations that have production, storage and transportation functions for LPG, NGL and gas condensate.
2.3.5 Liquefied natural gas (LNG) station
It refers to the station that is designed to store LNG, and can process, liquefy or gasify natural gas.
2.3.6 A group of tanks
It refers to the storage tank unit consisted of one or more tanks, enclosed by a closed dike.
2.3.7 Tank farm
It refers to the tank storage area consisted of one or more groups of tanks.
2.3.8 Internal floating roof tank with shallow plate

GB 50185-1993工业设备及管道绝热工程 质量检验评定标准

GB 50185-1993工业设备及管道绝热工程 质量检验评定标准 英文版
1. General Provisions

1.0.1 This standard is established to unify the inspection and evaluation methods of the thermal-insulating engineering quality of industrial equipment and pipelines, strengthen the technical management of the enterprise and ensure the engineering quality.
1.0.2 This Standard is applicable to the inspection and assessment of the external thermal insulating engineering quality of the industrial equipment and pipelines with the media temperature greater than or equal to -196℃ and less than or equal to +850℃.
1.0.3 Main indicators and provisions in this standard are made according to the Code for Construction and Acceptance of Industrial Equipment and Pipeline Insulation Engineering (GBJ126-89) (hereinafter referred to as The Code).
1.0.4 Quality inspection work stated in this Standard shall be carried out in the construction process. The quality assessment work shall be carried out after the completion of the subdivisional work of the thermal insulation.
1.0.5 This Standard shall be applied combining with the current Unified Standard for Quality Inspection and Assessment of Industrial Erection Engineering.
1.0.6 The inspection and assessment of the thermal insulation engineering quality of the industrial equipment and pipelines shall meet relevant provisions in the current national standards besides this Standard.

2. Terms

2.0.1 Guarantee Items
Testing items that have dominating influences on the project security, functions of use and the project quality.
2.0.2 Elementary Items
Testing items that have important influences on the project security, functions of use and the project quality.
2.0.3 Deviation-permissible Items
Testing items that permit the existence of check points to be out of tolerance within the proportion range stated in this standard during the detection, but can also meet requirements on the project security and functions of use.
2.0.4 Repair Project
Projects that haven't been on the side of reworking and can meet requirements on the conformity after the repair.
2.0.5 Site Sampling Inspection
The sampling inspection carried out on the materials, semi-finished products of the materials or the thermal insulating structures that have been constructed.
2.0.6 Visual Check
The check to judge whether the checked objects have met provisions in the standard by the visual feeling of human and combining the practice.
2.0.7 Hand Check
Checks to find the fastness degree of the hooked nails, dowels and workpieces by breaking them off with fingers and thumbs.
2.0.8 Hammer Test
The test carried out to check the fastness degree between the welding positions of the backup pieces and other interconnecting pieces and the workpieces by the 0.25kg hand hammers' kicking.
2.0.9 Hand-power Check
The checks to make sure the compaction of the thermal insulating ropes and tapes that are enwound or packed by the hand power.
2.0.10 Needling Check
Checks by the straight needles with the length greater than the thickness of the thermal insulating layers to check the thickness of the heat insulating layers.
2.0.11 Stick Check
Checks to find out whether there is clearance in the filling thermal insulating layer according to the sound by the wood stick knocking the external protective layer.
2.0.12 Installation Volume Weight
The actual volume weight (kg/m3) after the construction of the thermal insulating layer.
2.0.13 Anti-settling Layer
The load-carrying members installed according to certain spacing and made from the hard thermal insulating products when the thermal insulating layers are filled on the vertical-type equipment or the vertical pipelines.
2.0.14 Inner Lining Thermal Insulating Layer
In the dismountable structures, the thermal insulating layer clinging to the metal protective shell.
2.0.15 Cold Condition
The physical conditions that the thermal insulation structures haven't been put into use.
2.0.16 Drying Shrinkage
The degree of the dimensional change of the viscous materials in the air without any action from the external force and due to the evaporation of water.
2.0.17 Plasticity
The physical property of the viscous materials that have their shapes changed but not fracture under the action of the external force and that can't be restored to the original shape when the external force is removed.

GB 50185-1993工业设备及管道绝热工程 质量检验评定标准

GB 50185-1993工业设备及管道绝热工程 质量检验评定标准 英文版
1. General Provisions

1.0.1 This standard is established to unify the inspection and evaluation methods of the thermal-insulating engineering quality of industrial equipment and pipelines, strengthen the technical management of the enterprise and ensure the engineering quality.
1.0.2 This Standard is applicable to the inspection and assessment of the external thermal insulating engineering quality of the industrial equipment and pipelines with the media temperature greater than or equal to -196℃ and less than or equal to +850℃.
1.0.3 Main indicators and provisions in this standard are made according to the Code for Construction and Acceptance of Industrial Equipment and Pipeline Insulation Engineering (GBJ126-89) (hereinafter referred to as The Code).
1.0.4 Quality inspection work stated in this Standard shall be carried out in the construction process. The quality assessment work shall be carried out after the completion of the subdivisional work of the thermal insulation.
1.0.5 This Standard shall be applied combining with the current Unified Standard for Quality Inspection and Assessment of Industrial Erection Engineering.
1.0.6 The inspection and assessment of the thermal insulation engineering quality of the industrial equipment and pipelines shall meet relevant provisions in the current national standards besides this Standard.

2. Terms

2.0.1 Guarantee Items
Testing items that have dominating influences on the project security, functions of use and the project quality.
2.0.2 Elementary Items
Testing items that have important influences on the project security, functions of use and the project quality.
2.0.3 Deviation-permissible Items
Testing items that permit the existence of check points to be out of tolerance within the proportion range stated in this standard during the detection, but can also meet requirements on the project security and functions of use.
2.0.4 Repair Project
Projects that haven't been on the side of reworking and can meet requirements on the conformity after the repair.
2.0.5 Site Sampling Inspection
The sampling inspection carried out on the materials, semi-finished products of the materials or the thermal insulating structures that have been constructed.
2.0.6 Visual Check
The check to judge whether the checked objects have met provisions in the standard by the visual feeling of human and combining the practice.
2.0.7 Hand Check
Checks to find the fastness degree of the hooked nails, dowels and workpieces by breaking them off with fingers and thumbs.
2.0.8 Hammer Test
The test carried out to check the fastness degree between the welding positions of the backup pieces and other interconnecting pieces and the workpieces by the 0.25kg hand hammers' kicking.
2.0.9 Hand-power Check
The checks to make sure the compaction of the thermal insulating ropes and tapes that are enwound or packed by the hand power.
2.0.10 Needling Check
Checks by the straight needles with the length greater than the thickness of the thermal insulating layers to check the thickness of the heat insulating layers.
2.0.11 Stick Check
Checks to find out whether there is clearance in the filling thermal insulating layer according to the sound by the wood stick knocking the external protective layer.
2.0.12 Installation Volume Weight
The actual volume weight (kg/m3) after the construction of the thermal insulating layer.
2.0.13 Anti-settling Layer
The load-carrying members installed according to certain spacing and made from the hard thermal insulating products when the thermal insulating layers are filled on the vertical-type equipment or the vertical pipelines.
2.0.14 Inner Lining Thermal Insulating Layer
In the dismountable structures, the thermal insulating layer clinging to the metal protective shell.
2.0.15 Cold Condition
The physical conditions that the thermal insulation structures haven't been put into use.
2.0.16 Drying Shrinkage
The degree of the dimensional change of the viscous materials in the air without any action from the external force and due to the evaporation of water.
2.0.17 Plasticity
The physical property of the viscous materials that have their shapes changed but not fracture under the action of the external force and that can't be restored to the original shape when the external force is removed.

GBT 119.2-2000 圆柱销 淬硬钢和马氏体不锈钢 英文版

GBT 119.2-2000 圆柱销 淬硬钢和马氏体不锈钢 英文版
1 Scope
This standard specifies parallel pins with nominal diameter d=1-20 mm, tolerance is m6, material is steel: Grade A (ordinary quenching) and Grade B (surface hardening) as well as of martensitic stainless steel.
2 Normative references
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T 90—1985 Acceptance Inspection, Marking and Packing of Fasteners (eqv ISO 3269: 1984)
GB/T 1237—2000 Designation System for Fasteners (eqv ISO 8991: 1986)
GB/T 3098.6—2000 Mechanical Properties of Corrosion-resistant Stainless-steel Fasteners-Part 1: Bolts, Screws and Studs (idt ISO 3506-1: 1997)
GB/T 5267—1985 Electroplated Coatings on Threaded Fasteners
GB/T 11376—1997 Phosphate Conversion Coatings for Metals (eqv ISO 9717: 1990)
3 Dimensions

GBT 222-2006 钢的成品化学成分允许偏差 英文版

GBT 222-2006 钢的成品化学成分允许偏差 英文版
1. Scope
This standard prescribes permissible tolerances of chemical composition of finished unalloy steel (excluding boiling steel), low alloy steel and alloy steel products versus threshold value of melted chemical composition, as well as relevant terms and definitions.

2. Terms and Definitions
This following terms and definitions are applicable to this standard.

2.1 Heat (or cast/ladle) analysis
It refers to a procedure that taking ingot sample during molten steel casting to make test sample and then carrying out chemical analysis. The analytic result refers to average chemical composition of molten steel of the same batch.
2.2 Product analysis
Product analysis refers to take sample from processed finished steel product (including steel feed) and then to analyze its chemical composition. Product analysis is mainly used to check chemical composition, and it is also called check analysis. Due to the fact that molten steel is distributed unevenly (segregation) during crystallization, composition value of product analysis is different from composition value of heat analysis sometimes.
2.3 Permissible tolerances for product analysis
It refers to that although composition value of heat analysis is within the exceed composition threshold value specified in standards due to segregation of steel composition. A permissible value is specified for the degree exceeding the threshold value, and the permissible value is the permissible tolerance for product analysis.

3. Sampling and Sample-making Methods for Product Analysis

GBT 601-2002 化学试剂 标准滴定溶液的制备 英文版

GBT 601-2002 化学试剂 标准滴定溶液的制备 英文版
Chemical Reagent - Preparations of Standard Volumetric Solutions

1. Application Scope
The standard specifies the preparation and calibration method of chemical reagent standard volumetric solution.
The standard is applicable to prepare standard volumetric solution with accurate concentration, to measure purity and impurity content of chemical reagent with titration method. The standard can also be adopted by other industries.

2. Normative Reference
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. For undated references, the latest edition of the normative document referred to applies.
GB/T 603-2002 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods
GB/T 606-1988 Chemical Reagent - General Method for the Determination of Water - Karl Fischer Method (eqv ISO 6353-1:1982)
GB/T6682-1992 Water for Laboratory Use - Specifications (neq ISO 3696:1987)
GB/T 9725-1988 Chemical Reagent - General Rules for Potentiometric Titration (eqv ISO 6353-1:1982)

3 General Provisions
3.1 Unless otherwise specified herein, all chemical reagent purity should exceed the analytic purity, and all applied reagent and manufactured product should be prepared according to relevant provisions in GB/T 603-2002, and the tested water should conform to the water specifications required in GB/T 682-1992.

GBT 603-2002 化学试剂 试验方法中所用制剂及制品的制备 英文版

GBT 603-2002 化学试剂 试验方法中所用制剂及制品的制备 英文版
Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods

1. Scope
This standard regulates method for preparation of reagent solution for use in test method.
This standard is applicable to preparation of reagent and substance used for analysis on chemical reagent, and it can also be used by other industries.
2. Normative References
The following documents contain contents which, through reference in this text, composite provisions of this standard. For dated reference, subsequent amendments (excepting corrigenda content)to, or revisions of, any of these publications do not apply. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 601-2002 Chemical Reagent - Preparations of Standard Volumetric Solutions
GB/T602-2002 Chemical Reagent - Preparations of Standard Solutions for Impurity
GB/T 6682-1992 Water for Analytical Laboratory Use - Specification and Test Methods (neq ISO 3696:1987)
GB/T9733-1988 Chemical Reagent - General Method for the Determination of Carbonyl Compounds (eqv ISO 6353-1:1982)

GBT 603-2002 化学试剂 试验方法中所用制剂及制品的制备 英文版

GBT 603-2002 化学试剂 试验方法中所用制剂及制品的制备 英文版
Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods

1. Scope
This standard regulates method for preparation of reagent solution for use in test method.
This standard is applicable to preparation of reagent and substance used for analysis on chemical reagent, and it can also be used by other industries.
2. Normative References
The following documents contain contents which, through reference in this text, composite provisions of this standard. For dated reference, subsequent amendments (excepting corrigenda content)to, or revisions of, any of these publications do not apply. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 601-2002 Chemical Reagent - Preparations of Standard Volumetric Solutions
GB/T602-2002 Chemical Reagent - Preparations of Standard Solutions for Impurity
GB/T 6682-1992 Water for Analytical Laboratory Use - Specification and Test Methods (neq ISO 3696:1987)
GB/T9733-1988 Chemical Reagent - General Method for the Determination of Carbonyl Compounds (eqv ISO 6353-1:1982)

GBT 714-2000 桥梁用结构钢 英文版

GBT 714-2000 桥梁用结构钢 英文版
1 Scope
This national standard specifies the dimension, shape, weight and weight tolerance, specification, testing method, test rules, packaging, marks and quality certificate of structural steel for bridge.
This national standard is applicable to steel plate for bridge construction and forged steel.

2 Normative Standards
The following standards contain provisions which, through reference in this text, constitute provisions of this national standard. At time of publication, the editions indicated were valid. All the following standards will be amended, and the applying parties of this standard should discuss the possibility to use the latest edition.
GB/T222-1984 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB/T23.5-1997 Methods for Chemical Analysis of Iron, steel And Alloy The Reduced Molybdosilicate Spectrophotometric Method for the Determination of Acid-soluble Silicon Content
GB/T223.12-1991 Methods for Chemical Analysis of Iron, Steel and Alloy- the Sodium Carbonate Separation-diphenyl Carbazide Photometric Method for the Determination of Chromium Content
GB/T 223.19-1989 Methods for Chemical Analysis Of Iron Steel and Alloy-The Neocuproine-chloroform Extraction Photometric Method for the Determination of Copper Content
GB/T 223.23-1994 Methods for Chemical Analysis Of Iron, Steel and Alloy-The Dimethylglyoxime Spectrophotometric Method for the Determination of Nickel Content
GB/T223.62-1988 Methods for Chemical Analysis of Iron, Steel and Alloy--The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus Content
GB/T 223.63-1998 Methods for Chemical Analysis of Iron, Steel and Alloy-The Sodium (potassium) Periodate Photometric Method for the Determination of Manganese Content
GB/T23.67 - 1989 Methods for Chemical Analysis of Iron, Steel and Alloy- The Reducing Distillation- methylene Blue Photometric Method for the Determination of Sulfur Content
GB/T 223.68-1997 Methods for Chemical Analysis of Iron, steel and Alloy-The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur Content
GB/T 223.69-1997 Methods for Chemical Analysis of Iron, Steel and Alloy-The Gas- Volumetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content
GB/T228-1987 Metal Tensile Test
GB/T229-1994 Metallic Materials-Charpy Notch Impact Test
GB/T232-1999 Metallic Materials Bend Test
GB/T247-1997 General Rule of Acceptance, Package, Mark and Certification for Steel Plates (sheets) and Strips
GB/T706-1988 Hot-rolled Beam Steel-Dimensions, Shape, weight and Tolerance
GB/T707-1988 Hot-rolled Channel Steel-Dimensions, Shape, weight and Tolerance
GB/T709-1988 Dimension, Shape, weight and Tolerances for Hot-rolled Steel Plates and Sheets
GB 2103 General Provisions for Checking, Packing, Marking and Quality Certification of Steel Wire
GB/T2970-1991 Ultrasonic Test for Medium and Thick Steel Plates
GB/T2975-1998 Steel and Steel Products--Location and Preparation of Test Pieces for Mechanical Testing
GB/T4336-1984 Method for Photoelectric Emission Spectroscopic Analysis of Carbon Steel Medium and Low Alloy Steel
GB/T6397-1986 Metallic Materials - Test Pieces for Tensile Testing
GB/T17505-1998 Steel and Steel Products - General Technical Delivery Requirements

GBT 15469-1995 反击式水轮机空蚀评定 英文版

GBT 15469-1995 反击式水轮机空蚀评定 英文版
GBT 15469-1995 反击式水轮机空蚀评定 英文版



1 Subject content and scope of application

This standard specifies evaluation condition, measuring method and evaluation method of hydraulic turbine cavitation pitting, and also offers guaranteed amount of cavitation pitting.

This standard is applicable to reaction hydraulic turbine whose single-machine capacity is larger than 10 MW or whose mixed-flow runner nominal diameter is larger than or equal to 1m, axial flow runner nominal diameter is larger than or equal to 2m. It also can be taken as reference for hydraulic turbine whose capacity or diameter is less than aforesaid values.

For hydraulic turbine whose mixed-flow runner nominal diameter is larger than 6 m and axial flow runner nominal diameter is larger than 8m, its guaranteed amount of cavitation pitting can be determined separately by referring to this standard.

Hydraulic turbine may influence power, efficiency, vibration and noise of assembling unit because of cavitation, and that situation doesn't belong to scope of this evaluation.

2 Terms, signs and unit

2.1 Cavitation ("cavitation corrosion" is used in the past)

It is generic term of the situations when local pressure in flow channel drops down to critical pressure (generally approaches to evaporating pressure), gas nucleus grows into bleb and blebs accumulate, flow, split and collapse.

2.2 Cavitation pitting ("cavitation damage" is used in the past)

It refers to overflowing assembly material damages caused by cavitation

2.3 Cavitation pitting guarantee duration of operation

It refers to useful-life for amount of hydraulic turbine cavitation pitting guaranteed by supply side.

2.4 Reference duration of operation (tr)

It refers to operation duration of guaranteed amount of hydraulic turbine cavitation pitting, and it is specified as 8000 h in this standard.

2.5 Actual duration of operation (ta)

It refers to duration of actual operation from hydraulic turbine being brought into service to inspecting its cavitation pitting.

2.6 Upper turbine power limit for normal continuous operation (Pcu)

It refers to maximum guaranteed power value that hydraulic turbine is allowed to continuously operate at each delivery head and relevant permissible tail water elevation. (Unit: MW).

2.7 Lower turbine power limit for normal continuous operation (Pcl)

It refers to minimum guaranteed power value that hydraulic turbine is allowed to continuously operate at each delivery head and relevant permissible tail water elevation. (Unit: MW).

2.8 Upper turbine power limit for temporary abnormal operation (Ptu)

It refers to maximum power for temporary abnormal operation at each delivery head and relevant permissible tail water elevation when hydraulic turbine works above upper power limit for normal operation (Unit: MW).

2.9 Lower turbine power limit for temporary abnormal operation (Ptl)

It refers to minimum power for temporary abnormal operation at each delivery head and relevant permissible tail water elevation when hydraulic turbine works with power below lower power limit for normal operation. (Unit: MW).

2.10 Turbine normal operating range

It refers to operational area between upper turbine power limit and lower power limit for normal continuous operation. (Refer to figure 1)

2.11 High turbine load abnormal operating range

It refers to operational area between upper turbine power limit for normal continuous operation and maximum power capability. (Refer to figure 1)

2.12 Low turbine load abnormal operating range

Operational area between lower turbine power limit for normal continuous operation and no-load (refer to figure 1).

Figure 1 Sketch map of hydraulic turbine operational areas

2.13 Depth of cavitation pitted area (h)

Depth of cavitation pitting measured from original surface of base material (Unit: mm).

2.14 Cavitation pitting area (A)

Area damaged by cavitation pitting measured according to specification (Unit: cm2).

2.15 Cavitation pitting volume (V)

Volume of material removed by cavitation pitting (Unit: cm3)

2.16 Cavitation pitting mass (m)

Mass of material removed by cavitation pitting (Unit: kg),

2.17 Amount of cavitation pitting (C)

Actually measured cavitation pitting mass, depth or area (Unit: kg, mm, cm2)

2.18 Guaranteed limit of the amount of cavitation pitting (Cr)

It refers to mass, depth, or area of cavitation pitting which shall be guaranteed according to reference duration of operation. (Unit: kg, mm, cm2).

2.19 Corrected guaranteed amount of cavitation pitting (Ca)

It refers to guaranteed amount of cavitation pitting corrected according to actual runtime (Unit: kg, mm, cm2).

2.20 Guaranteed coefficient of material mass loss by cavitation pitting (Km)

It refers to cavitation pitting mass when turbine runner nominal diameter is 1 m and operates for 8000h.

2.21 Guaranteed depth coefficient of cavitation pitting (Kh)

It refers to maximum depth of cavitation pitting when turbine runner nominal diameter is 1 m and operates for 8000h.

2.22 Guaranteed area coefficient of cavitation pitting (KA)

It refers to cavitation pitting area when turbine runner nominal diameter is 1m and operates for 8000h.

2.23 Runner nominal diameter (D)

It refers to exit diameter of runner blade for mixed flow turbine; for axial flow, diagonal flow and straight-flow turbine, it refers to inside diameter of runner chamber which intersects with runner blade axle center (Unit: m).

2.24 Suction head (Hs)

It refers to height difference from cavitation reference plane to tail water elevation, as specified for hydraulic turbine (Unit: m).

GBT 19418-2003 钢的弧焊接头缺陷质量分级指南 英文版

GBT 19418-2003 钢的弧焊接头缺陷质量分级指南 英文版



1 Scope

This standard stipulates the quality levels for imperfections of arc-welded joints in steel. These levels are related to products manufacturing quality, but not related to their applicability (see 3.1).

This standard is applicable to:

According to welding method and their technology sorts specified in GB/T5185:

11 Metal arc welding without gas shield;

12 Submerged arc welding;

13 Gas shielded arc welding;

14 Non-gas shielded metal arc welding;

15 Plasma arc-welding;

——handiwork, mechanization, and automation welding method;

——all the welding positions;

——butt weld, fillet weld and branch joint;

——steels with thickness scope within 3-63 mm

This standard is not considering metallurgy factors, such as grain size and hardness.

2 Normative documents

The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments (excluding corrigendum content) to, or revisions of, any of these publications do not apply. However, it is encouraged for the parties using the latest edition of these documents who come to an agreement by referring to this standard. For undated references, the latest edition of the normative document referred to applies.

GB/T 324 Welds-symbolic representation on drawings (eqv ISO 2553)

GB/T 3375 Welding terminology

GB/T 5185 Welding, brazing, braze welding and soldering of metals; List of processes for symbolic representation on drawings (eqv ISO 4063)

GB/T 6417 Classification of imperfections in metallic fusion welds, with explanations (eqv ISO 6520)

GBT 19685-2005 预应力钢筒混凝土管 英文版

GBT 19685-2005 预应力钢筒混凝土管 英文版

1. Scope
The standard specifies contents such as terms, main symbols, classification, requirement, test method, inspection rules, mark, transportation, storage, usage specification and merchandise certificate related to prestressed concrete cylinder pipe (including fittings and special pipe).
This standard is applicable to prestressed concrete cylinder pipe which nominal bore is 400 mm-4000 mm, pipeline operation pressure does not exceed 2.0 MPa, and covering depth is not greater than 10m. When pipelines, which parameters exceed specifications of this standard, need manufacturing, the manufacturing process could refer to this standard.
Pipes that are manufactured in accordance with this standard can be used in municipal water supply and drain main pipe, industrial waterline, irrigation, factory pipe network, power plant make-up pipe and cooling water circulation system, inverted siphon, pressure tunnel pipeline, deep soil covering culvert pipe and so on.
2. Normative References
The following documents contain contents which, through reference in this text, composite provisions of this standard. For dated reference, subsequent amendments (excepting corrigenda content) to, or revisions of, any of these publications do not apply. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to apply in the standard.
GB 175 Portland Cement and Ordinary Portland Cement
GB/T 228 Metallic Materials Tensile Testing at Ambient Temperature
GB/T 699 Quality Carbon Structure Steel
GB 700 Carbon Structural Steels
GB 748 Sulfate Resistance Portland cement
GB 912 Hot-rolled Plain Carbon and Low Alloy Structural Steel Sheets and Strips
GB 134 Portland Blastfurnace-slag Cement, Portland Pozzolana Cement and Portland Fly-ash Cement
GB 1499 Hot Rolled Ribbed Bars for the Renforcement of Concrete
GB/T 1499.3-2002 Welded Steel Fabric for the Reinforcement of Concrete
GB 1596-1991 Fly Ash Used for Cement and Concrete
GB/T 2649 Methods of Sampling for Mechanical Properties Tests of Welded Joint
GB 3274 Hot-rolled Plates and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels
GB/T 5223-2002 Steel Wires for Prestressed Concrete
GB 8076 Concrete Admixture
GB 11253 Cold-rolled Plain Carbon and Low Alloy Structural Steel Sheets and Strips
GB 13788 Cold Rolled Ribbed Steel Wires and Bars
GB/T 14684 Sand for Building
GB/T Pebble and Crushed Stone for Building
GB/T Test Methods of Concrete Pipes for Water Transmission
GB/T 16752 Test Methods of Concrete and Reinforced Concrete Drainage and Sewer Pipes
GB 50046-1995 Code for Anticorrosion Design of Industrial Construction
GB/T 50081-2002 Standard for Test Method of Mechanical Properties on Ordinary Concrete
GB 50119 Code for Utility Technical of Concrete Admixture
GB 50204 Code for Acceptance of Constructional Quality of Concrete Structures
GB 50212 Code for Construction and Acceptance of Industrial Furnaces Building
GB 50224-1995 Standard for Inspection and Evaluation of Anticorrosive Engineering Quality of Buildings
GB 50236 Code for Construction and Acceptance of Field Equipment, Industrial Pipe Welding Engineering
GB 50268 Code for Construction and Acceptance of Water Supply and Sewerage Pipelines
GB 50332-2002 Structural Design Code for Pipelines of Water Supply and Waste Water Engineering
GBJ 107-1987 Standard for Test and Evaluation of Concrete Compression Strength
DL 5017 Specifications for Manufacture Installation and Acceptance of Steel Penstocks
JGJ 63 Standard for Water of Mixing in Concrete
JGJ 55 Specification for Mix Proportion Design of Ordinary Concrete
JC/T 748-1987(1996) Rubber Gasket Rung of Prestressed and Self-stressing Concrete Pipe
JC/T 749-1987(1996) Standard Methods of Testing Rubber Gasket Rung of Prestressed and Self-stressing Concrete Pipe
CECS 140:2002 Specification for Structural Design of Buried Prestressed Concrete Pipeline of Water Supply and Sewerage Engineerung
CECS 141:2002 Specification for Structural Design of Buried Steel Pipeline of Water Supply and Sewerage Engineerung
3. Terms and Main Symbols

GBT 1596-2005 用于水泥和混凝土中的粉煤灰

GBT 1596-2005 用于水泥和混凝土中的粉煤灰
GBT 1596-2005 用于水泥和混凝土中的粉煤灰

Fly Ash Used for Cement and Concrete
1 Scope
This standard specifies the definition, term, classification, specification, testing method, test rules, packaging, mark, batch No., transport and stock of fly ash used for cement and concrete.
This standard is applicable to fly ash used as blend in concrete and mortar mixing; and fly ash used as active admixture in cement making.

2 Normative Quotated Documents
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to, or revisions of (excluding corrigendum contents), any of these publications do not apply. For undated references, the latest edition of the normative document referred to applies.
GB/T 176 Method for Chemical Analysis of Cement (GB/T 176-1996, eqv. ISO 680: 1990)
GB/T 1346 Test Methods for Water Requirement of Normal Consistency, Setting Time and Soundness of the Portland Cements (GB/T 1346-2001, eqv ISO 9597: 1989)
GB/T 2419 Test Method for Fluidity of Cement Mortar
GB 6566 Limit of Radionuclides in Building Materials
GB 12573 Sampling Method of Cement
GB/T 17671-1999 Methods of Testing Cement Mortar Strength (ISO) (idt ISO 679: 1989))
GSB 08-1337 China ISO Standard Sand
GSB 14-1510 Standard Sample for Testing Cement Strength

GB 1176-1987 铸造铜合金技术条件 （英文版）

GB 1176-1987 铸造铜合金技术条件 （英文版）
1 General
1.1 Designations of alloy
Refer to GB 8063-87 “Designations of non-ferrous metals and their alloys”.
1.2 Alloy name
Alloys are named according to percentage composition of alloy nominal composition in GB 8063-87. Such as 5-5-5 tin bronze, 38 brass, 25-6-3-3 aluminum brass etc.
1.3 Code of casting method
S - Sand casting
J - Metal mould casting
La - Continuous casting
Li - Rotational casting
2 Technical requirements
2.1 Chemical compositions2.1.1 Chemical compositions of alloy shall be in conformity with provisions in Table 1 and Table 2.

GBT 15468-2006 水轮机基本技术条件（英文版）

GBT 15468-2006 水轮机基本技术条件
2. Normative Standards

The clauses in the following documents are cited by the Standard becoming the clauses of the Standard. If the cited document is marked date, its subsequent amendment list (exclusive of correction content) or revised edition are not suitable for the Standard. However, the various parties entering into an agreement according to the Standard are encouraged to research whether these documents' latest edition is used or not. If the cited documents are not marked date, the latest edition is suitable for the part.

GB 150 Steel pressure vessels

GB/T 191 Packaging-Pictorial marking for handling of goods (GB/T 191-2000, egv ISO 780:1997)

GB/T 2900.45 Electrotechnical terminology--hydraulic turbine, storage pump and pump-turbine

GB/T 3323-1987 Methods for radiographic inspection and quality classification of radiographs for fusion welded butt joints in steel

GB/T 6075.5-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 5: Machine sets in hydraulic power generating and pumping plants (idt ISO 10816-5:2000)

GB/T 8564-2003 Specification installation of hydraulic turbine generator units

GB/T 9239 Balance quality of rigid rotors--Determination of permissible residual unbalance (GB/T 9239-1988, egv ISO 1940-1:1986)

GB/T 9797-1997 Metallic coatings-Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium (eqv ISO 1456:1988)

GB/T 10969 Specifications for water passage components of hydraulic turbines (GB/T 10969-1996, neq IEC 60193-1:1977)

GB 11120-1989 turbine oil L-TSA (neq ISO 8068:1987)

GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds

GB/T11348.5-2002 Mechanical vibration of non-reciprocating machines—Measurements on rotating shafts and evaluation criteria--Part 5: Machine sets hydraulic power generating and pumping plants (idt ISO 7919-5:1997)

GB/T 11805-1999 Basic specifications of automatic control components (devices) and their related system for hydroturbine-generating sets

GB/T 12469-1990 Quality assurance of welding--Requirement for fusion welding joint of steel and classification for imperfection (neq DIN 8563 T3:1979)

GB/T 15469 Cavitation pitting evaluation in reaction hydraulic turbines (GB/T 15469-1995, neq IEC 60609:1978)

GB/T 17189 Code for field measurement of vibrations and pulsations in hydraulic machines (GB/T 17189-1997, neq IEC 60994:1991)

GB/T 19184-2003 Cavitation pitting evaluation in pelton turbines (IEC 60609-2:1997, MOD)

DL/T 443 General provisions for turbine generator installation and final examination

DL/T 507-2002 Start-up test code for hydraulic-turbine and generator units

DL/T 710-1999 Code of operation for hydraulic turbines

JB/T 127 Specification of shaft forgings for turbines and generators

JB 4730-1992 Nondestructive testing for pressure equipments

JB/T 6061-1992 Non-destructive testing--Magnetic particle testing of welds
JB/T 6062-1992 Non-destructive testing--penetrant testing of welds

JB/T 8660-1997 Code of packing, transportation, and preservation for turbine generator

IEC 60041 Field Acceptance Tests to Determine the Hydraulic Performance of Hydraulic Turbines, Storage Pumps, and Pump-Turbines

IEC 60193 hydraulic turbines, storage pumps and pump turbines--Model acceptance test

IEC 60545-1976 Guide for commissioning operation and maintenance of hydraulic turbines

CCH-70-3 Inspection code for hydraulic machinery steel casting

GB/T 10969-1996 水轮机通流部件技术条件（英文版）

1. Scope
1.1 Based upon the geometrically similar requirement for the model and prototype hydraulic turbine, the standard stipulates the precision and water passage components surface quality of the prototype water passage components of hydraulic turbine to the hydraulic performance.

1.2 This standard is applicable to Francis turbine, axialflow turbine, mixed flow variable pitch turbine and pelton turbine. Throughflow turbine, angular impulse turbine and pump turbine can consult to this standard.

2. Normative standards
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. For undated references, the latest edition of the normative document referred to applies.
GB/T 2900.45-1996 Electrotechnical Terminology Hydraulic Turbine, Storage Pump and Pump-turbine
GB/T 15613-1995 Code for model acceptance tests of hydraulic turbines
GB 8564-88 Specification for Installation of Hydraulic-turbine and Generator Units

GB/T 16911-1997 水泥生产防尘技术规程

GB/T 16911-1997 水泥生产防尘技术规程
1. Scope
This Code has stated basic requirements for dust control and comprehensive dust prevention measures.
This Code is applicable for dust control design, technical transformation and management of cement enterprises.
2. Standards Quoted
Articles included in the following standards have become part of this Code by means of quotation. During the publishing of this Code, all editions have the same effectiveness. All standards may be revised. Units concerned ought to search for the feasibility of the Code's latest edition.
GB/T 3840-91: Technical Method for Establishment of Local Air Pollutant Emission Standard
GB 3095-1996: Environmental Air Quality Standard
GB 4915-1996: Air Pollutant Emission Standard for Cement Plants
GB 5748-85: Test Method for Dust in Air on the Work Site
GB 5817-86: Grading of Injury Degrees of Industrial Dust
GB 9774-1996: Cement Packing Bags
GB/T 16157-1996: Determination of Grains in Stationary Pollution Source Air and Sampling Method of Gaseous Pollutant
GB 16225-1996: Hygienic Standard for Respiratory Siliceous Dust of the Air in Workshops
TJ 36-79: Hygienic Standard for Industrial Enterprise Design
3. Dust Control Requirements for Site Selection and Building Design
3.1 Site Selection
A) The selection of newly-built, rebuilt and expended enterprises ought to be far away from densely populated areas and located in the windward side of the minimum-frequency air heading in the year in places where dwellers live.

JC/T 550-94 Semi-rigid PVC Plastic Floor Tile Adhesive

JC/T 550-94 Semi-rigid PVC Plastic Floor Tile Adhesive
1. Subject Content and Applicable Scope

This standard provides product category, technical requirement, testing method, inspection rules, package, label, transportation and storage of Semi-rigid PVC plastic floor tile adhesive.

This standard is applicable to Semi-rigid PVC plastic floor tile adhesive (hereinafter referred to as "PVC floor adhesive") made from synthetic resin or synthetic latex as sticking material by adding other additive. This kind of product is mainly used to stick PVC floor to cement and mortar surface or concrete surface.

2. Standard Quoted

GB 2611 General Technical Conditions for Testing Machines
GB 2944 Provisions on Package, Label, Transportation and Storage of Adhesive Product.
GB 4085 Semi-rigid PVC Plastic Floor Tile
GB/T 12954 General Testing Method for Construction Adhesive
JC 434 Electrician-use Pressure Transite

3. Product Classification

3.1 Classification

Classification according to sticking material

JC/T 512-93 Decoration of Automobile Safety Glass

JC/T 512-93 Decoration of Automobile Safety Glass
1. Subject Content and Applicable Scope

This Standard contains basic requirements for decoration of automobile safety glass.

This Standard is applicable to decoration of automobile-use safety glass (hereinafter referred to as "safety glass") as well as decoration of safety glasses used in other vehicles.

2. Standards Quoted

GB191 Packaging-pictorial Marking for Handling of Goods
GB4122 General Packaging Terms
GB4857.7 Packaging: Packaging - Transport packages - Sinusoidal vibration test method at constant frequency
GB9656 Automobile-use Safety Glass

3. Requirements of Packaging Technology

3.1 Preparation for product package

3.1.1 Product
Only when requirements of CUB9656 are satisfied, can products be packaged.

3.1.2 Packaging material

GBT 15036.1-2001 实木地板技术标准

GBT 15036.1-2001 实木地板技术标准
1. Application Scope

This Standard provides definition, classification and technical requirements of solid wood flooring as well as requirement for package, label, transportation and storage. This Standard is applicable to flooring made of wood of coniferous tree whose air-dry density is not less than 0.32g/cm3 and hardwood whose air-dry density is not less than 0.50g/cm3.

2. Quoted Standards
Articles in Standards stated below shall become components of this Standard through being quoted herein. All the Standards stated below are effective at the publication of this Standard. It is possible that Standards may be revised, therefore the latest version of the following Standards shall be adopted in application of this Standard. Drying Quality of Sawn Timber GB/T 6491-1999, GB/T 4823- 1995 Defects in Sawn Timber and GB/T 18103 - 2000 Parquet

3. Definition
The following words and phrases shall have the meaning stated below in this Standard.

3.1 Solid wood flooring
Solid wood flooring refers to the flooring that is directly made of timer.

DLT 5019-94 水利水电工程启闭机制造、安装及验收规范

DLT 5019-94 水利水电工程启闭机制造、安装及验收规范
Contents

1. Subject Contents and Application Scope. 1
2. Normative References. 1
3. General Provisions. 3
4. Connection. 6
5. Stationary Cable Hoist 7
6. Screw Hoist 22
7. Movable Gate Hoist 24
8 Hydraulic Hoists. 37
9. Acceptance Rules. 43
10. Sign, Packaging, Transportation and Storage. 44
Appendix A Test Conditions on Span of Bridge Framework, Door Panel and Bridge Equipment (Supplementary) 46
Additional Explanations. 47

1. Subject Contents and Application Scope

This standard has specified technical specifications on manufacture and erection of the gate hoist in hydraulic and hydroelectric projects, acceptance rules, the test method and relevant regulations on the sign, packaging, transportation and storage of hoists.

This standard is applicable to the electric-drive gate hoists for the hydraulic and hydroelectric projects, including fixed hoisting gate hoists, screw gate hoist, movable gate hoist and hydraulic hoist.

2. Normative References

GB699: Technical Requirements on Quality Carbon Structure Steel

GB700: Carbon Structure Steel

GB1591: Low-alloy Structural Steel

GB3077: Technical Specifications on Alloy Structural Steel

GB11352: Cast Carbon Steel Pieces for Common Projects

GB5680: Technical Specifications on High-manganese Steel Casting

JB/ZQ4297: Alloy Cast Steel

GB9439: Gray Cast Iron Pieces

ZBJ74003: Supersonic Flaw Detecting on Steel Boards for Pressure Vessels

GB5117: Carbon Steel Covered Electrode

GB5118: Low-alloy Steel Covered Arc Welding Electrode

GB983: Stainless Steel Electrode

GB5293: Flux for Submerged Arc Welding of Carbon Steel

GB12470: Fluxes for the Submerged Arc Welding of Low Alloy Steel

GB8110: Steel Welding Wire for CO2 Gas Shield Arc Welding


GB1300: Welding Wires for Welding

GB8923: Rusting and Derusting Grade of Steel Surface before Finishing

GB3181: Standard Specimen for Paint Film Colors

JB2299: Paint and Safety Signs of Elevating Machinery in Mines and Projects

GB9286: Cross Cut Test on Pigmented Paint and Varnish Paint Film

GB985: Basic Type and Dimension of Welding Seam Grooves in Autogenous Welding, Manual Electric Arc Welding and Shielded Arc Welding

GB986: Basic Type and Dimension of Submerged Arc Weld Groove

SL36: General Specifications for Welding of Metal Structures in Hydro-technics

GB3323: Radiography and Quality Grade of Fusion Welds

GBI1345: Analysis on Manual Supersonic Flaw Detecting Method and Detection Result of Steel Welding Seams

GB3098.1: Mechanical Property of Fasteners: Bolts, Screws and Studs

GB3098.2: Mechanical Property of Fastener: Nut

GB/T1228: High-strength and Large Hex Bolts for Steel Structures

GB/T1229: High-strength and Large Hex Nuts for Steel Structures

GB/T1230: High-strength Steel Washer for Steel Structures

GB/T1231: Technical Specifications on High-strength and Large Hex Bolts, Hexagonal Nuts and Washers

GB3632-3633: Technical Requirements for Sets of Torshear Type High Strength Bolt Hexagon Nut and Plain Washer for Steel Structures
GB1102: Round Strand Wire Rope
GB5972: Test and Rejection Standard of Steel Wire Ropes for Hoisting
GB6067: Safety Rules for Lifting Appliances

GB1800-1804: Tolerance and Fitting
GB5014: Flexible Dowel Pin Coupling
GB/ZQ4382: Technical Specifications for Tooth Coupling
GB1184: Shape and Position Tolerance: Provisions on Unmarked Tolerance
GB10095: Precision of Involute Cylindrical Gear

SD315: General Technical Specifications for Fixed Hoisting Gate Hoist
GB5796.4: Trapezoidal Thread Tolerance
GB10089: Precision of Column Worm and Worm Wheel
GB6414: Dimension Tolerance for Casting
GB197: Tolerance and Fitting of Regular Screw Threads
GB4628: Column Wheel of Bridge Crane
GB3452.1: Dimension Series and Tolerance of Hydraulic Pressure and Vapor-drive O-type Grommet
GB8564: Erection Technical Specifications on Water-turbine Generator Units
GB1497: Primary Standard for Low-voltage Apparatus
GB/T13306: Tablet
GB4879: Rustproof Packaging

GB 500011-2001 Code for Seismic Design of Buildings

GB 500011-2001 Code for Seismic Design of Buildings

2. Terms and signs.
2.1. Terms
2.1.1 Seismic fortification intensity
The seismic intensity ratifies according to jurisdiction regulated by the state as a criterion of local seismic design.
2.1.2 Seismic fortification criterion
A measurement of the demand of seismic prevention and insulation, decide by the seismic fortification intensity and the function of buildings.
2.1.3 Earthquake action
Structure movement caused by earthquake, including horizontal action and vertical action.
2.1.4 Design parameters of ground motion
Seismic acceleration time curve (velocity and displacement), acceleration response spectrum and peak acceleration used in seismic design.
2.1.5 Design basic acceleration of ground motion
Fifty year of design reference period with the 10% of earthquake acceleration speed.
2.1.6 Design characteristic period of ground motion
The periodic quantity used in earthquake influence coefficient curve to show the descending branch and initial point of earthquake magnitude, eptcentral distance, and site category.
2.1.7 Site
The location of the constructions, with similar response spectrum characteristics. The stretch is like a factory, community or natural village, no smaller than 10k m2.
2.1.8 Seismic concept design of buildings
The process of conducting general layout and decide detailed constitution of the building or framework according to the seismic damage and project experience.

2.1.9 Seismic fortification measures
Seismic deign other than the calculation of earthquake action and resistance force, including details of seismic design
2.1.10 details of seismic design
Seismic fortification measures accords to the principles of seismic conceptual design. Usually, there is no need to do calculations for the detail requirements of components of the structure and nonstructures.
2.2 Main Signs
2.2.1 Action and action effect
FEk, FEvk--- horizontal and vertical earthquake action standard of the structure
GE, Geq --- the representative value of gravity load coefficient and the equivalent representative coefficient of total gravity load
ωk--- wind loading normal value
SE---earthquake action effect (bending moment, axial force, shearing force and stress and deformation)
S---the basic combination of earthquake action effect and other load effect
Sk--- effect and load normal value effect
M---bending moment
N---axel force
V--- shearing force

GB/T50326-2001 Code for Construction Project Management

GB/T50326-2001 Code for Construction Project Management
Chapter I General Principles

Article 1.0.1 This Code is designed to improve the management level of construction projects promote the scientization, standardization and legalization of construction project management, adapt to the demand of market economy development and connect with international conventions.
Article 1.0.2 This Code is applicable to the management of newly-built and expanded construction projects. This Code has provided a base for normalizing administrative behaviors in construction projects, defining responsibilities and relevant functional relationships of stuff of all levels and examining and appraising construction the project manager and construction project manager team.
Article 1.0.3 Construction project management ought to exercise project system, project responsibility system and project cost measurement system.
Article 1.0.4 Construction project management ought to be in accordance with national laws, administrative regulations and related compulsory standards besides this Code.

Chapter II Terms

Article 2.0.1 Construction project
Project completed from the bid of project construction to the completion of the contract.
Article 2.0.2 Construction project management by enterprises of construction industry
The overall management process, including construction project plan, organization, supervision, control and coordination, carried out by enterprises utilizing systemic viewpoints, theories and science and technology.
Article 2.0.3 Employer
As stated in the agreement, the party with entity qualification for construction contracting or the legal successor with qualifications of the party.
Article 2.0.4 Contractor
As stated in the agreement, the party with entity qualification for construction contracting or the legal successor by qualifications of the party.
Article 2.0.5 Subcontractor
As stated in the construction contract, the contractor subcontracts part of the project to the party with relevant qualifications.
Article 2.0.6 Construction project manager
The legal representative of enterprises in contracting construction projects and the entrusted agent.
Article 2.0.7 Construction project manager team
An institutional framework established and led by the construction project manager with the support of enterprises and engaged in project management.
Article 2.0.8 Matrix type organization of project management
The structural style is in matrix type, with project management personnel dispatched by related functional departments of the enterprise, received business supervision and under the direct supervisor of the construction project manager.
Article 2.0.9 Straight line and function type organization of project management
The structural style is in straight line, with organizations of functional departments or functional officials and each member (or department) under the direct lead of one leader.
Article 2.0.10 Responsibility system of construction project manager
A construction project management responsibility system with construction project manager as the main body of responsibilities
Article 2.0.11 Responsibility documents of construction project management
Documents stated cost, quality, progress and security objectives to be achieved by the construction project manager team according to requirements in the construction contract and operating management, issued by the legal representative of the enterprise.
Article 2.0.12 Planning outline for construction project management
Documents made up before bid by the top management of the enterprise and aimed to work as a base for bid, meet requirements in bidding documents and the signed contract.
Article 2.0.13 Execution planning for construction project management
Documents made up before commencement by the construction project manager and aimed to supervise the construction project implementation phase.
Article 2.0.14 Object control for construction project
Activities, like data collection, contrastive analysis against planning objectives and deviation-correcting measures, carried out to achieve project management goals, in detail, including project schedule control, project quality control, project fund control and project cost control.
Article 2.0.15 Construction project risk
Future uncertainties may pop up, as predicated by means of survey, analysis and argumentation.
Article 2.0.16 Risk management of construction project
Process of identification, evaluation, supervision, planning and inspection of the construction project risk.
Article 2.0.17 Cost calculation system of construction project
A regulatory system related to project cost accounting principles, scopes, means, contents, duties and requirements.
Article 2.0.18 Productive element management for construction project
Management over human sources, materials, mechanical equipment, funds, technology and information,
Article 2.0.19 Contract management for construction project
Management over construction contract signature, performance, alternation, termination, default, claim and dispute treatment.
Article 2.0.20 Information management for construction project
During the execution of the construction project, management over information collection, arrangement, treatment, store, transference and application.
Article 2.0.21 Site management for construction project
Management over activities on the site and space utilization places.
Article 2.0.22 Completion and delivery of construction project
Completion and delivery of construction project
Article 2.0.23 Return visit and guarantee for repair of construction project
After the completion and delivery of construction project, the contractor will pay a visit to users on issues like service behaviors and quality problems and according to relevant regulations and as stated in the Project Quality Guarantee Book, will carry out repair and assume financial responsibilities if quality problems happen during the guarantee period.
Article 2.0.24 Organization for construction project
In a certain organizational form, means and methods, relations produced in the project management process to be communicated and disturbances and drawbacks to be eliminated.
Article 2.0.25 Examination and evaluation of construction project management
The main body of examination and evaluation of construction project management carries out examination and evaluation over the targeted object and project on level and achievements.