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GB/T 10060-2023 English PDF (GBT10060-2023)
GB/T 10060-2023 English PDF (GBT10060-2023)
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GB/T 10060-2023: Code for installation acceptance of electric lifts
GB/T 10060-2023
GB
NATIONAL STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
ICS 91.140.90
CCS Q 78
Replacing GB/T 10060-2011
Code for installation acceptance of electric lifts
ISSUED ON: SEPTEMBER 7, 2023
IMPLEMENTED ON: APRIL 1, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 5
Introduction ... 10
1 Scope ... 11
2 Normative references ... 11
3 Terms and definitions ... 12
4 Installation acceptance prerequisites ... 12
5 Acceptance inspection items and inspection requirements ... 14
5.1 Machinery space and pulley room ... 14
5.1.1 Access ... 14
5.1.2 Requirements for machinery space and pulley room ... 14
5.1.3 Main switch, lighting and its switches ... 15
5.1.4 Warnings and instructions ... 15
5.1.5 Phase-failure, phase mismatch protection and motor power cut-off inspection ... 16
5.1.6 Electrical wiring and installation ... 16
5.1.7 Contactor and contactor relay ... 17
5.1.8 Equipment installation ... 17
5.1.9 Lift machine ... 18
5.1.10 Protection of rotating parts ... 19
5.1.11 Protection of motors and other electrical equipment ... 19
5.1.12 Motor running time limiter ... 19
5.1.13 Emergency operation ... 20
5.2 Well ... 21
5.2.1 Well enclosure ... 21
5.2.2 Passage doors, emergency exits, passage trap doors and access doors ... 21
5.2.3 Safety space and safety distance ... 21
5.2.4 Guide rails ... 22
5.2.5 Counterweight and balancing weight ... 23
5.2.6 Traveling cable ... 23
5.2.7 Overspeed governor ... 24
5.2.8 Buffer ... 25
5.2.9 Pit ... 26
5.3 Requirements for machines installed in different locations ... 26
5.3.1 Machine in the machine room ... 26
5.3.2 Machine in the well ... 27
5.3.3 Machine outside the well ... 27
Code for installation acceptance of electric lifts
1 Scope
This document specifies the conditions, items, requirements, and rules for acceptance
after completion of lift installation.
This document is applicable to traction lifts with a rated speed not exceeding 6.0 m/s
and positive drive lifts with a rated speed not exceeding 0.63 m/s. For traction lifts with
a rated speed exceeding 6.0 m/s, refer to this document for implementation, and the
inapplicable parts shall be determined by the manufacturer (supplier) and the buyer
through negotiation.
This document does not apply to hydraulic lifts, dumbwaiters, home lifts, goods lifts,
and inclined lifts.
2 Normative references
The provisions of the following documents constitute the essential clauses of this
document through normative references in this text. Among them, for referenced
documents with dates, only the versions corresponding to the dates are applicable to
this document; for referenced documents without dates, the latest versions (including
all amendments) are applicable to this document.
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of
machines - Part 1: General requirements
GB/T 7024 Terminology of lifts, escalators, passenger conveyors
GB/T 7588.1-2020 Safety rules for the construction and installation of lifts - Part
1: Passenger and goods passenger lifts
GB/T 10058-2023 Specification for electric lifts
GB/T 10059-2023 Testing methods for electric lifts
GB/T 16895.21-2020 Low-voltage electrical installations - Part 4-41: Protection
for safety - Protection against electric shock
GB/T 18894 Specification on electronic documents archiving and electronic
5.1.5 Phase-failure, phase mismatch protection and motor power cut-off inspection
5.1.5.1 According to the method specified in 5.1.1 of GB/T 10059-2023, disconnect any
phase of the main power line, then the lift shall stop and remain in the stopped state.
Exchange any two phases of the main power line, then the lift shall stop and remain in
the stopped state, or can still run normally, run for inspection or in emergency electric
operation in the direction before the phase line is exchanged.
5.1.5.2 Check the power supply circuit and control circuit of the lift machine motor
directly powered by AC or DC power supply. At least two independent contactors shall
be used for cutting off the power supply circuit, and the contacts of the contactors shall
be connected in series. When the lift stops, simulate that the main contact of one of the
contactors is not disconnected; at the latest, when the running direction changes next
time, the fault shall be able to be detected and the car shall be prevented from running
again. When the monitoring function fails, the car shall be prevented from running
again.
5.1.5.3 Check the power supply circuit and control of the lift machine motor powered
by the static element, which shall comply with the provisions of 5.9.2.5.4 of GB/T
7588.1-2020.
5.1.6 Electrical wiring and installation
5.1.6.1 Check the laying of the lift power line and control line. The lines should be laid
separately or shielded. Check the metal casing (cover) of the electrical equipment that
needs to be grounded in the design; it shall be equipped with an easily identifiable
grounding terminal and be well grounded. Check the configuration of the grounding
wire; the yellow and green two color insulated wires shall be directly connected to the
grounding terminal, respectively. They shall not be connected in series before
grounding.
Check the separate settings of the neutral conductor (N, zero wire) and the protective
conductor (PE, ground wire) of the lift power supply.
5.1.6.2 Check the laying of wire tubes and wire troughs, which shall be straight, neat,
and firm. Measure the fixed spacing of hoses and ends. The fixed spacing of hoses shall
not be greater than 1 m, and the fixed spacing of ends shall not be greater than 0.1 m.
5.1.6.3 Check or review the data to confirm that the protection level of the protective
enclosure (cover) of the electrical equipment in the well, machinery space and pulley
room shall not be lower than IP2X specified in GB/T 4208. Check or review the data
to confirm that the protection level of the connectors, terminals and connectors not set
in the protective enclosure during connection and disconnection shall not be lower than
IP2X, and they shall be properly fixed to prevent accidental loosening.
5.1.6.4 Verify that the additional protection and residual voltage protection shall comply
with the requirements of 5.10.1.2.3 and 5.10.1.2.4 in GB/T 7588.1-2020.
5.1.6.5 Carry out the insulation resistance test between the energized conductor and the
ground in accordance with the method specified in 6.11.1 of GB/T 10059-2023. The
result shall comply with the provisions of 5.10.1.3.1 of GB/T 7588.1-2020.
5.1.7 Contactor and contactor relay
Check the type of contactor and contactor relay, which shall be AC-15 or DC-13 as
specified in 5.10.3.1 of GB/T 7588.1-2020. Check the installation of the contactor and
contactor relay, which shall be fixed reliably and wired firmly. Check the device
identification, which shall be consistent with the electrical schematic.
5.1.8 Equipment installation
5.1.8.1 Measure the gap BETWEEN the suspension devices in the machine room and
the pulley room AND each side of the floor hole, which should be 20 mm~40 mm.
Check the setting of the ring frame around the hole leading to the well. Measure the
height of the ring frame around the hole leading to the well; it shall be at least 50 mm
higher than the floor or the ground after completion.
5.1.8.2 Review the information submitted by the construction unit to confirm that the
length of the machine supporting beam for the lift machine embedded in the load-
bearing wall shall not be less than the design value of the manufacturer.
5.1.8.3 When the overspeed governor is installed vertically to the horizontal plane,
relative to the horizontal plane, the verticality of the end face of the overspeed governor
rope sheave rim should not be greater than 2/1000; the verticality of the rim end faces
of the traction sheave and deflector sheave, relative to the horizontal plane, should not
be greater than 4/1000 under no-load or full-load conditions. When the overspeed
governor is installed obliquely to the horizontal plane, it shall comply with the design
requirements of the lift manufacturer.
5.1.8.4 Check and measure the installation position and deviation of the lift machine,
guide device and suspension device, they all shall comply with the installation and
construction requirements of the lift manufacturer.
5.1.8.5 Check the installation and operation of the overspeed governor. The action speed
setting seal shall be intact, the installation position shall be correct, the base shall be
firm, and the operation shall be smooth.
5.1.10 Protection of rotating parts
5.1.10.1 Check the setting of protective devices of traction sheave, pulley, sprocket,
overspeed governor and tension pulley, which shall comply with the provisions of 5.5.7
of GB/T 7588.1-2020.
5.1.10.2 Check the setting of the protective device to prevent foreign matter from
entering between the coated rope (belt) and the traction wheel and pulley, and verify or
review the supporting documents [such as test (inspection) report] to confirm that the
device can prevent sand particles with a diameter of not less than 2.5 mm from entering.
5.1.10.3 Check the protection of accessible rotating parts, which shall comply with the
requirements of 5.9.1.2 of GB/T 7588.1-2020.
5.1.10.4 Check that the outer side of rotating parts such as brake pulleys, hand wheels,
overspeed governor pulleys and unprotected traction sheaves are at least partially
painted yellow. Check that the mechanical operating parts of the manual release brake
are at least partially painted red.
5.1.11 Protection of motors and other electrical equipment
5.1.11.1 Review the power supply circuit diagram of the motor directly powered by AC
or DC power supply to confirm that it has a short-circuit protection function.
5.1.11.2 Review the power supply circuit diagram of the motor and confirm that the
overheat protection function complies with the requirements of 5.10.4.2 and 5.10.4.3
of GB/T 7588.1-2020.
5.1.11.3 Review the circuit diagrams of other electrical equipment and confirm that the
protection functions comply with the requirements of 7.1~7.4 of GB/T 5226.1-2019.
5.1.12 Motor running time limiter
5.1.12.1 When the following two situations are simulated, the running time limiter of
the traction lift motor shall cut off the power supply to the lift machine and keep it in
the power-off state within the time specified in 5.1.12.2:
a) When the lift is started, the lift machine does not rotate;
b) The downward-moving car or counterweight stops due to an obstacle, causing
the wire rope or coated rope (belt) to slip on the traction sheave.
5.1.12.2 Measure the action time t of the motor running time limiter in accordance with
the method specified in 5.1.13.1 of GB/T 10059-2023. The time shall meet the
following requirements:
a) When the lift's full running time is not less than 35 seconds, t ≤ 45 seconds;
b) When the lift's full running time is less than 35 seconds and greater than 10
seconds, t ≤ full running time plus 10 seconds;
c) When the lift's full running time is no more than 10 seconds, t ≤ 20 seconds;
d) When a motor running time limiter is used as a protection against continuous
relative slip between the traction sheave and the coated rope (belt), in addition
to meeting the relevant requirements of items a)~c), t shall not exceed the limit
value given by the manufacturer.
5.1.12.3 The method for restoring the normal operation of the lift shall be verified in
accordance with the method specified in 5.1.13.2 of GB/T 10059-2023. The normal
operation of the lift shall be restored only by manual reset. After the disconnected power
supply is restored, the lift machine does not need to remain in the stopped position.
5.1.12.4 Verify the function of the motor running time limiter in accordance with the
method specified in 5.1.13.3 of GB/T 10059-2023. The operation of the motor running
time limiter shall not affect the maintenance operation and emergency motor operation.
5.1.13 Emergency operation
5.1.13.1 Simulate a power outage or malfunction of the lift and the car stops outside the
unlocking zone to verify that the measures to move the car into the unlocking zone are
effective.
5.1.13.2 Verify that the emergency operation function of the manual release brake
complies with the provisions of 5.9.2.2.2.9 of GB/T 7588.1-2020. If the car moves to
the nearby landing using the manual operation specified in 5.9.2.2.2.9b) of GB/T
7588.1-2020, verify that the manual operation complies with the provisions of 5.9.2.3.1
of GB/T 7588.1-2020.
5.1.13.3 Simulate emergency operation and verify that it shall be easy to observe the
car reaching the unlocking zone through observation holes, markings on the suspension
device or other means.
5.1.13.4 If the manual operating force required to move the car with rated load upward
is greater than 400 N, or the mechanical device specified in 5.9.2.3.1a) of GB/T 7588.1-
2020 is not installed, it shall be confirmed that an emergency electric operation control
device that complies with 5.12.1.6 of GB/T 7588.1-2020 is installed.
5.1.13.5 Check the location of the emergency operating device, which shall comply
5.2.4 Guide rails
5.2.4.1 Check the layout and structural type of the car and counterweight (or balancing
weight) guide rails. They shall be guided by at least two rigid steel guide rails. For the
counterweight (or balancing weight) guide rails without safety gears, formed metal
plates can be used and shall be protected against corrosion.
Review the data to confirm that the guide rails used comply with the requirements of
the design calculation documents.
5.2.4.2 Check the configuration of the rail brackets for each guide rail. Each guide rail
shall have at least two rail brackets. The number of brackets for non-standard length
rails ...
Get Quotation: Click GB/T 10060-2023 (Self-service in 1-minute)
Historical versions (Master-website): GB/T 10060-2023
Preview True-PDF (Reload/Scroll-down if blank)
GB/T 10060-2023: Code for installation acceptance of electric lifts
GB/T 10060-2023
GB
NATIONAL STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
ICS 91.140.90
CCS Q 78
Replacing GB/T 10060-2011
Code for installation acceptance of electric lifts
ISSUED ON: SEPTEMBER 7, 2023
IMPLEMENTED ON: APRIL 1, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 5
Introduction ... 10
1 Scope ... 11
2 Normative references ... 11
3 Terms and definitions ... 12
4 Installation acceptance prerequisites ... 12
5 Acceptance inspection items and inspection requirements ... 14
5.1 Machinery space and pulley room ... 14
5.1.1 Access ... 14
5.1.2 Requirements for machinery space and pulley room ... 14
5.1.3 Main switch, lighting and its switches ... 15
5.1.4 Warnings and instructions ... 15
5.1.5 Phase-failure, phase mismatch protection and motor power cut-off inspection ... 16
5.1.6 Electrical wiring and installation ... 16
5.1.7 Contactor and contactor relay ... 17
5.1.8 Equipment installation ... 17
5.1.9 Lift machine ... 18
5.1.10 Protection of rotating parts ... 19
5.1.11 Protection of motors and other electrical equipment ... 19
5.1.12 Motor running time limiter ... 19
5.1.13 Emergency operation ... 20
5.2 Well ... 21
5.2.1 Well enclosure ... 21
5.2.2 Passage doors, emergency exits, passage trap doors and access doors ... 21
5.2.3 Safety space and safety distance ... 21
5.2.4 Guide rails ... 22
5.2.5 Counterweight and balancing weight ... 23
5.2.6 Traveling cable ... 23
5.2.7 Overspeed governor ... 24
5.2.8 Buffer ... 25
5.2.9 Pit ... 26
5.3 Requirements for machines installed in different locations ... 26
5.3.1 Machine in the machine room ... 26
5.3.2 Machine in the well ... 27
5.3.3 Machine outside the well ... 27
Code for installation acceptance of electric lifts
1 Scope
This document specifies the conditions, items, requirements, and rules for acceptance
after completion of lift installation.
This document is applicable to traction lifts with a rated speed not exceeding 6.0 m/s
and positive drive lifts with a rated speed not exceeding 0.63 m/s. For traction lifts with
a rated speed exceeding 6.0 m/s, refer to this document for implementation, and the
inapplicable parts shall be determined by the manufacturer (supplier) and the buyer
through negotiation.
This document does not apply to hydraulic lifts, dumbwaiters, home lifts, goods lifts,
and inclined lifts.
2 Normative references
The provisions of the following documents constitute the essential clauses of this
document through normative references in this text. Among them, for referenced
documents with dates, only the versions corresponding to the dates are applicable to
this document; for referenced documents without dates, the latest versions (including
all amendments) are applicable to this document.
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of
machines - Part 1: General requirements
GB/T 7024 Terminology of lifts, escalators, passenger conveyors
GB/T 7588.1-2020 Safety rules for the construction and installation of lifts - Part
1: Passenger and goods passenger lifts
GB/T 10058-2023 Specification for electric lifts
GB/T 10059-2023 Testing methods for electric lifts
GB/T 16895.21-2020 Low-voltage electrical installations - Part 4-41: Protection
for safety - Protection against electric shock
GB/T 18894 Specification on electronic documents archiving and electronic
5.1.5 Phase-failure, phase mismatch protection and motor power cut-off inspection
5.1.5.1 According to the method specified in 5.1.1 of GB/T 10059-2023, disconnect any
phase of the main power line, then the lift shall stop and remain in the stopped state.
Exchange any two phases of the main power line, then the lift shall stop and remain in
the stopped state, or can still run normally, run for inspection or in emergency electric
operation in the direction before the phase line is exchanged.
5.1.5.2 Check the power supply circuit and control circuit of the lift machine motor
directly powered by AC or DC power supply. At least two independent contactors shall
be used for cutting off the power supply circuit, and the contacts of the contactors shall
be connected in series. When the lift stops, simulate that the main contact of one of the
contactors is not disconnected; at the latest, when the running direction changes next
time, the fault shall be able to be detected and the car shall be prevented from running
again. When the monitoring function fails, the car shall be prevented from running
again.
5.1.5.3 Check the power supply circuit and control of the lift machine motor powered
by the static element, which shall comply with the provisions of 5.9.2.5.4 of GB/T
7588.1-2020.
5.1.6 Electrical wiring and installation
5.1.6.1 Check the laying of the lift power line and control line. The lines should be laid
separately or shielded. Check the metal casing (cover) of the electrical equipment that
needs to be grounded in the design; it shall be equipped with an easily identifiable
grounding terminal and be well grounded. Check the configuration of the grounding
wire; the yellow and green two color insulated wires shall be directly connected to the
grounding terminal, respectively. They shall not be connected in series before
grounding.
Check the separate settings of the neutral conductor (N, zero wire) and the protective
conductor (PE, ground wire) of the lift power supply.
5.1.6.2 Check the laying of wire tubes and wire troughs, which shall be straight, neat,
and firm. Measure the fixed spacing of hoses and ends. The fixed spacing of hoses shall
not be greater than 1 m, and the fixed spacing of ends shall not be greater than 0.1 m.
5.1.6.3 Check or review the data to confirm that the protection level of the protective
enclosure (cover) of the electrical equipment in the well, machinery space and pulley
room shall not be lower than IP2X specified in GB/T 4208. Check or review the data
to confirm that the protection level of the connectors, terminals and connectors not set
in the protective enclosure during connection and disconnection shall not be lower than
IP2X, and they shall be properly fixed to prevent accidental loosening.
5.1.6.4 Verify that the additional protection and residual voltage protection shall comply
with the requirements of 5.10.1.2.3 and 5.10.1.2.4 in GB/T 7588.1-2020.
5.1.6.5 Carry out the insulation resistance test between the energized conductor and the
ground in accordance with the method specified in 6.11.1 of GB/T 10059-2023. The
result shall comply with the provisions of 5.10.1.3.1 of GB/T 7588.1-2020.
5.1.7 Contactor and contactor relay
Check the type of contactor and contactor relay, which shall be AC-15 or DC-13 as
specified in 5.10.3.1 of GB/T 7588.1-2020. Check the installation of the contactor and
contactor relay, which shall be fixed reliably and wired firmly. Check the device
identification, which shall be consistent with the electrical schematic.
5.1.8 Equipment installation
5.1.8.1 Measure the gap BETWEEN the suspension devices in the machine room and
the pulley room AND each side of the floor hole, which should be 20 mm~40 mm.
Check the setting of the ring frame around the hole leading to the well. Measure the
height of the ring frame around the hole leading to the well; it shall be at least 50 mm
higher than the floor or the ground after completion.
5.1.8.2 Review the information submitted by the construction unit to confirm that the
length of the machine supporting beam for the lift machine embedded in the load-
bearing wall shall not be less than the design value of the manufacturer.
5.1.8.3 When the overspeed governor is installed vertically to the horizontal plane,
relative to the horizontal plane, the verticality of the end face of the overspeed governor
rope sheave rim should not be greater than 2/1000; the verticality of the rim end faces
of the traction sheave and deflector sheave, relative to the horizontal plane, should not
be greater than 4/1000 under no-load or full-load conditions. When the overspeed
governor is installed obliquely to the horizontal plane, it shall comply with the design
requirements of the lift manufacturer.
5.1.8.4 Check and measure the installation position and deviation of the lift machine,
guide device and suspension device, they all shall comply with the installation and
construction requirements of the lift manufacturer.
5.1.8.5 Check the installation and operation of the overspeed governor. The action speed
setting seal shall be intact, the installation position shall be correct, the base shall be
firm, and the operation shall be smooth.
5.1.10 Protection of rotating parts
5.1.10.1 Check the setting of protective devices of traction sheave, pulley, sprocket,
overspeed governor and tension pulley, which shall comply with the provisions of 5.5.7
of GB/T 7588.1-2020.
5.1.10.2 Check the setting of the protective device to prevent foreign matter from
entering between the coated rope (belt) and the traction wheel and pulley, and verify or
review the supporting documents [such as test (inspection) report] to confirm that the
device can prevent sand particles with a diameter of not less than 2.5 mm from entering.
5.1.10.3 Check the protection of accessible rotating parts, which shall comply with the
requirements of 5.9.1.2 of GB/T 7588.1-2020.
5.1.10.4 Check that the outer side of rotating parts such as brake pulleys, hand wheels,
overspeed governor pulleys and unprotected traction sheaves are at least partially
painted yellow. Check that the mechanical operating parts of the manual release brake
are at least partially painted red.
5.1.11 Protection of motors and other electrical equipment
5.1.11.1 Review the power supply circuit diagram of the motor directly powered by AC
or DC power supply to confirm that it has a short-circuit protection function.
5.1.11.2 Review the power supply circuit diagram of the motor and confirm that the
overheat protection function complies with the requirements of 5.10.4.2 and 5.10.4.3
of GB/T 7588.1-2020.
5.1.11.3 Review the circuit diagrams of other electrical equipment and confirm that the
protection functions comply with the requirements of 7.1~7.4 of GB/T 5226.1-2019.
5.1.12 Motor running time limiter
5.1.12.1 When the following two situations are simulated, the running time limiter of
the traction lift motor shall cut off the power supply to the lift machine and keep it in
the power-off state within the time specified in 5.1.12.2:
a) When the lift is started, the lift machine does not rotate;
b) The downward-moving car or counterweight stops due to an obstacle, causing
the wire rope or coated rope (belt) to slip on the traction sheave.
5.1.12.2 Measure the action time t of the motor running time limiter in accordance with
the method specified in 5.1.13.1 of GB/T 10059-2023. The time shall meet the
following requirements:
a) When the lift's full running time is not less than 35 seconds, t ≤ 45 seconds;
b) When the lift's full running time is less than 35 seconds and greater than 10
seconds, t ≤ full running time plus 10 seconds;
c) When the lift's full running time is no more than 10 seconds, t ≤ 20 seconds;
d) When a motor running time limiter is used as a protection against continuous
relative slip between the traction sheave and the coated rope (belt), in addition
to meeting the relevant requirements of items a)~c), t shall not exceed the limit
value given by the manufacturer.
5.1.12.3 The method for restoring the normal operation of the lift shall be verified in
accordance with the method specified in 5.1.13.2 of GB/T 10059-2023. The normal
operation of the lift shall be restored only by manual reset. After the disconnected power
supply is restored, the lift machine does not need to remain in the stopped position.
5.1.12.4 Verify the function of the motor running time limiter in accordance with the
method specified in 5.1.13.3 of GB/T 10059-2023. The operation of the motor running
time limiter shall not affect the maintenance operation and emergency motor operation.
5.1.13 Emergency operation
5.1.13.1 Simulate a power outage or malfunction of the lift and the car stops outside the
unlocking zone to verify that the measures to move the car into the unlocking zone are
effective.
5.1.13.2 Verify that the emergency operation function of the manual release brake
complies with the provisions of 5.9.2.2.2.9 of GB/T 7588.1-2020. If the car moves to
the nearby landing using the manual operation specified in 5.9.2.2.2.9b) of GB/T
7588.1-2020, verify that the manual operation complies with the provisions of 5.9.2.3.1
of GB/T 7588.1-2020.
5.1.13.3 Simulate emergency operation and verify that it shall be easy to observe the
car reaching the unlocking zone through observation holes, markings on the suspension
device or other means.
5.1.13.4 If the manual operating force required to move the car with rated load upward
is greater than 400 N, or the mechanical device specified in 5.9.2.3.1a) of GB/T 7588.1-
2020 is not installed, it shall be confirmed that an emergency electric operation control
device that complies with 5.12.1.6 of GB/T 7588.1-2020 is installed.
5.1.13.5 Check the location of the emergency operating device, which shall comply
5.2.4 Guide rails
5.2.4.1 Check the layout and structural type of the car and counterweight (or balancing
weight) guide rails. They shall be guided by at least two rigid steel guide rails. For the
counterweight (or balancing weight) guide rails without safety gears, formed metal
plates can be used and shall be protected against corrosion.
Review the data to confirm that the guide rails used comply with the requirements of
the design calculation documents.
5.2.4.2 Check the configuration of the rail brackets for each guide rail. Each guide rail
shall have at least two rail brackets. The number of brackets for non-standard length
rails ...
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