NB 31089-2016 PDF English
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NB 31089-2016: Code for design of fire protection for wind farms---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/NB31089-2016
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
P 61
Registration number. J2181-2016
P NB 31089-2016
Code for design of fire protection for wind farms
Issued on. JANUARY 07, 2016
Implemented on. JUNE 01, 2016
Issued by. National Energy Administration
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
Code for design of fire protection for wind farms
Main drafting organization. General Institute of Hydropower and Water
Resource Planning and Design
Approved by. National Energy Administration
Date of implementation. June 01, 2016
2016 Beijing
Announcement of National Energy Administration
No.1 in 2016
Table of Contents
Foreword... 5
1 General provisions... 6
2 Terms... 7
3 Wind turbine generators and unit transformers... 8
4 Transmission line... 10
5 Step-up substation... 11
5.1 Building fire fighting... 11
5.2 Fire water supply... 29
5.3 Heating, ventilation, air conditioning, smoke control and smoke exhaust... 35
5.4 Fire extinguishers and sand box distribution... 39
5.5 Electrical fire fighting... 40
Appendix A Classification of fire hazard... 49
Explanation of wording in this Code... 51
List of normative standards... 52
1 General provisions
1.0.1 To prevent wind farm fire hazards, reduce fire hazards, protect personal
and property safety, this Code is hereby formulated.
1.0.2 This Code applies to the newly-built, re-built, expanded onshore wind
farms.
1.0.3 The firefighting design of wind farm shall follow the relevant current state
and industrial policies, take into account the specific conditions of the project,
from the overall situation, take all factors into consideration, actively adopt new
technologies, new processes, new materials and new equipment, to ensure
safety and application, advanced technology, economical rationality.
1.0.4 The firefighting design of wind farm shall be based on the principle of
"prevention coming first, combination of prevention and elimination, based on
self-rescue". On the basis of strengthening fire monitoring and alarm, it shall
consider as a whole the firefighting measures of the critical fire prevention
locations such as the wind turbine generator's nacelle and tower, unit
transformer, power cable, main transformer, power distribution device room,
central control room, relay protection room, DC disk room, battery compartment,
file room, all kinds of warehouses in the wind farm.
1.0.5 In addition to complying with this Code, the firefighting design of wind farm
shall also comply with the requirements of relevant national standards.
2 Terms
2.0.1 Production building
In the step-up substation, the process equipment room to finish the power
supply and distribution as well as power substation functions.
2.0.2 Office and life building
In the step-up substation, a building that serves the operation and management
of wind farms.
2.0.3 Wind turbine generator
A device consisting of wind turbine blades, nacelles, towers and control
systems that continuously convert wind energy into electrical energy.
2.0.4 Nacelle
A closed space enclosed by a nacelle cover supported by a tower. It contains
such components as spindle assembly, lubrication and cooling system, gearbox,
brake system, coupling, generator, hoist, wind vane, anemometer, yaw bearing,
yaw drive, cabin base, lighting system, transmission cable, control cabinet, etc.
3 Wind turbine generators and unit transformers
3.0.1 The use of materials shall meet the following requirements.
3.0.3 The configuration of the unit transformer shall comply with the following
provisions.
3.0.4 The cable between the wind turbine generators and the transformer unit
as well as the cable inside the wind turbine generators shall use flame-retardant
cable. The hole through which the cable passes is sealed by the non-
combustible material which has a fire endurance of not less than 1.00 h.
4 Transmission line
4.0.1 The overhead lines in the wind farm shall not cross warehouse areas
where flammable and explosive dangerous goods are stored.
4.0.2 The power cable shall not be laid in the same pipe trench with the pipes
which deliver category A, B and C liquid, inflammable gas pipe, thermal pipes.
5 Step-up substation
5.1 Building fire fighting
I Fire hazard classification and fire resistance of building (structure)
5.1.1 The fire hazard classification and fire resistance rating of the building
(structure) in the step-up substation shall comply with the provisions of Table
5.1.1.
5.1.7 The fire spacing of each building (structure) and equipment in the step-up
substation shall not be less than that specified in Table 5.1.7.
5.1.15 The design of evacuation stairs for buildings in the step-up substation
shall comply with the following requirements.
5.1.26 For other general room, ceilings and wall shall use the decoration
materials of not lower than Grade B1; the floor and partition shall use the
decoration materials of not lower than grade B2.
V Fire lane
5.1.27 Fire lanes shall be provided in the step-up substation. When the fire
hazard of the building in the step-up substation is category C, and the floor
space of the building exceeds 3000 m2, or the voltage level of the step-up
substation is 220 kV and above, the fire lanes in the substation should be
arranged in a loop. When it is difficult to form a loop and it is arranged into the
end-type lane, it shall provide the turnaround or return lane. The area of the
turnaround shall not be less than 12 m x 12 m. When used for large fire engines,
it should not be less than 18 m x 18 m.
5.2 Fire water supply
I General provisions
5.2.1 When designing the step-up substation, the fire water supply system and
fire protection facilities shall be designed. If the building in the step-up
substation meets the requirements that the fire resistance rating is not less than
grade II, the volume does not exceed 3000 m3, the fire hazard is category E, it
may not provide fire water supply. However, it should provide the fire hose reel
or light fire hose.
5.2.2 The design of the fire water supply system of the step-up substation shall
comply with the current national standard "Code of design on building fire
protection and prevention" GB 50016 and "Code of design on fire protection
water supply and hydrant systems" GB 50974.
5.5.12 The alarm area and detection area shall be divided according to the
following principles.
5.5.13 The design of automatic fire alarm and fire linkage system shall meet the
following requirements.
5.5.15 The setting of the point-type fire detector at the step-up substation shall
meet the following requirements.
5.5.20 The exhaust fan's control and linkage shall meet the following
requirements.
5.5.23 The openings through which the gas-insulated tubular conductor,
common-box busbar, insulated busbar of the gas-insulated metal-enclosed
switch (GIS) pass shall be sealed by the fireproof sealing materials.
5.5.24 Pipe ditches and openings between the electrical equipment rooms and
external part shall be sealed by fireproof sealing materials.
5.5.25 The battery room shall be equipped with explosion-proof lamps and
ventilation motors. The indoor lighting cables shall be laid in a concealed
manner by passing through casings. The switches and sockets shall not
be installed indoors.
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
P 61
Registration number. J2181-2016
P NB 31089-2016
Code for design of fire protection for wind farms
Issued on. JANUARY 07, 2016
Implemented on. JUNE 01, 2016
Issued by. National Energy Administration
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
Code for design of fire protection for wind farms
Main drafting organization. General Institute of Hydropower and Water
Resource Planning and Design
Approved by. National Energy Administration
Date of implementation. June 01, 2016
2016 Beijing
Announcement of National Energy Administration
No.1 in 2016
Table of Contents
Foreword... 5
1 General provisions... 6
2 Terms... 7
3 Wind turbine generators and unit transformers... 8
4 Transmission line... 10
5 Step-up substation... 11
5.1 Building fire fighting... 11
5.2 Fire water supply... 29
5.3 Heating, ventilation, air conditioning, smoke control and smoke exhaust... 35
5.4 Fire extinguishers and sand box distribution... 39
5.5 Electrical fire fighting... 40
Appendix A Classification of fire hazard... 49
Explanation of wording in this Code... 51
List of normative standards... 52
1 General provisions
1.0.1 To prevent wind farm fire hazards, reduce fire hazards, protect personal
and property safety, this Code is hereby formulated.
1.0.2 This Code applies to the newly-built, re-built, expanded onshore wind
farms.
1.0.3 The firefighting design of wind farm shall follow the relevant current state
and industrial policies, take into account the specific conditions of the project,
from the overall situation, take all factors into consideration, actively adopt new
technologies, new processes, new materials and new equipment, to ensure
safety and application, advanced technology, economical rationality.
1.0.4 The firefighting design of wind farm shall be based on the principle of
"prevention coming first, combination of prevention and elimination, based on
self-rescue". On the basis of strengthening fire monitoring and alarm, it shall
consider as a whole the firefighting measures of the critical fire prevention
locations such as the wind turbine generator's nacelle and tower, unit
transformer, power cable, main transformer, power distribution device room,
central control room, relay protection room, DC disk room, battery compartment,
file room, all kinds of warehouses in the wind farm.
1.0.5 In addition to complying with this Code, the firefighting design of wind farm
shall also comply with the requirements of relevant national standards.
2 Terms
2.0.1 Production building
In the step-up substation, the process equipment room to finish the power
supply and distribution as well as power substation functions.
2.0.2 Office and life building
In the step-up substation, a building that serves the operation and management
of wind farms.
2.0.3 Wind turbine generator
A device consisting of wind turbine blades, nacelles, towers and control
systems that continuously convert wind energy into electrical energy.
2.0.4 Nacelle
A closed space enclosed by a nacelle cover supported by a tower. It contains
such components as spindle assembly, lubrication and cooling system, gearbox,
brake system, coupling, generator, hoist, wind vane, anemometer, yaw bearing,
yaw drive, cabin base, lighting system, transmission cable, control cabinet, etc.
3 Wind turbine generators and unit transformers
3.0.1 The use of materials shall meet the following requirements.
3.0.3 The configuration of the unit transformer shall comply with the following
provisions.
3.0.4 The cable between the wind turbine generators and the transformer unit
as well as the cable inside the wind turbine generators shall use flame-retardant
cable. The hole through which the cable passes is sealed by the non-
combustible material which has a fire endurance of not less than 1.00 h.
4 Transmission line
4.0.1 The overhead lines in the wind farm shall not cross warehouse areas
where flammable and explosive dangerous goods are stored.
4.0.2 The power cable shall not be laid in the same pipe trench with the pipes
which deliver category A, B and C liquid, inflammable gas pipe, thermal pipes.
5 Step-up substation
5.1 Building fire fighting
I Fire hazard classification and fire resistance of building (structure)
5.1.1 The fire hazard classification and fire resistance rating of the building
(structure) in the step-up substation shall comply with the provisions of Table
5.1.1.
5.1.7 The fire spacing of each building (structure) and equipment in the step-up
substation shall not be less than that specified in Table 5.1.7.
5.1.15 The design of evacuation stairs for buildings in the step-up substation
shall comply with the following requirements.
5.1.26 For other general room, ceilings and wall shall use the decoration
materials of not lower than Grade B1; the floor and partition shall use the
decoration materials of not lower than grade B2.
V Fire lane
5.1.27 Fire lanes shall be provided in the step-up substation. When the fire
hazard of the building in the step-up substation is category C, and the floor
space of the building exceeds 3000 m2, or the voltage level of the step-up
substation is 220 kV and above, the fire lanes in the substation should be
arranged in a loop. When it is difficult to form a loop and it is arranged into the
end-type lane, it shall provide the turnaround or return lane. The area of the
turnaround shall not be less than 12 m x 12 m. When used for large fire engines,
it should not be less than 18 m x 18 m.
5.2 Fire water supply
I General provisions
5.2.1 When designing the step-up substation, the fire water supply system and
fire protection facilities shall be designed. If the building in the step-up
substation meets the requirements that the fire resistance rating is not less than
grade II, the volume does not exceed 3000 m3, the fire hazard is category E, it
may not provide fire water supply. However, it should provide the fire hose reel
or light fire hose.
5.2.2 The design of the fire water supply system of the step-up substation shall
comply with the current national standard "Code of design on building fire
protection and prevention" GB 50016 and "Code of design on fire protection
water supply and hydrant systems" GB 50974.
5.5.12 The alarm area and detection area shall be divided according to the
following principles.
5.5.13 The design of automatic fire alarm and fire linkage system shall meet the
following requirements.
5.5.15 The setting of the point-type fire detector at the step-up substation shall
meet the following requirements.
5.5.20 The exhaust fan's control and linkage shall meet the following
requirements.
5.5.23 The openings through which the gas-insulated tubular conductor,
common-box busbar, insulated busbar of the gas-insulated metal-enclosed
switch (GIS) pass shall be sealed by the fireproof sealing materials.
5.5.24 Pipe ditches and openings between the electrical equipment rooms and
external part shall be sealed by fireproof sealing materials.
5.5.25 The battery room shall be equipped with explosion-proof lamps and
ventilation motors. The indoor lighting cables shall be laid in a concealed
manner by passing through casings. The switches and sockets shall not
be installed indoors.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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