01
Fujitec Zexia
8 pcs
1,250 kg · 4.0 m/s · 34 floors · Gearless VVVF · Group of 8
[ 01 ] · About the project
Description
project
The KTZ Building is the tallest administrative building in Kazakhstan and home to the largest media facade in Central Asia. 34 floors of usable height plus a 17-meter steel spire-lightning rod.
The complex required a high-speed elevator group supporting intense passenger flow during morning and evening hours. Eight Fujitec Zexia passenger elevators were installed with group control and an intelligent call-allocation algorithm.
Technical challenges
The building's height required ±1 mm stopping accuracy even on the upper floors and active damping of horizontal sway from wind. Seismic resistance to magnitude 9 was also required.
Outcome
The elevators have served the building since 2019 without a single failure. Average wait time — 28 seconds at peak hours.
[ — ] · Details
Details
facility
- Floors
- 34 floors · 175 m with spire
- Area
- 110 000 m²
- City
- Astana
- Address
- г. Астана, ул. Динмухамеда Кунаева, 6
- Client
- АО НК «Қазақстан темір жолы»
- General contractor
- НК «КТЖ»
- Architect
- Kazakh architectural firms
- Duration
- 11 months
- Contract date
- January 2019
[ 02 ] · Equipment
Installed
equipment
[ 03 ] · Works
What we did
8 services
-
01Elevator group design
-
02Passenger-flow calculation
-
03Equipment supply from the Fujitec factory
-
04Supervised installation works
-
05Commissioning works
-
06Certification and commissioning
-
07Technical staff training
-
0824/7 service maintenance
[ 04 ] · Implementation stages
Project timeline
January 2019
Contract signing
Coordination of specifications and design
February 2019
Equipment order
Placing the order at the Fujitec factory, Japan
June 2019
Delivery
Supply of 8 equipment sets to the site
July 2019
Start of installation
Parallel installation of 8 elevators by 4 crews
November 2019
Commissioning
Testing, balancing, group setup
December 2019
Commissioning
Signing reports, start of service maintenance
[ 05 ] · Technical data
Specifications
- Elevator model
- Fujitec Zexia
- Quantity
- 8 pcs
- Load capacity
- 1,250 kg (16 passengers)
- Speed
- 4.0 m/s
- Travel height
- 120 m
- Number of stops
- 34
- Drive type
- Gearless VVVF Fujitec MR-T
- Group control
- Yes, 8 elevators in a group
- Seismic resistance
- magnitude 9
- Stopping accuracy
- ±1 mm
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