2-way set control

The system fully automatically responds to all calls to call in 2 directions of travel (upward and down direction)

• Group control one way down

The system can only respond to call of stairs to go down at floors.

• Automatically turn off lights and fans

Lights and fans in the elevator room will automatically turn off when the ladder is inactive or a certain period of time.

• Light stop notification

When the elevator reaches the floor, there will be an alarm when the elevator stops

• Open the door with the call button

When the door of the staircase is closed, the passenger can open the door by pressing the outside call button again.

• The door closes automatically

After a period of time if there is no user, the ladder will automatically close.

• Automatically adjust door opening time

Waiting time from door fully open until closed, adjusted automatically when receiving call signal inside and outside the stair room.

• The main floor automatic return function:

When not in use for a period of time, the elevator will automatically return to the main floor. The time period is adjustable.

• Power protection function in case of fire (Fire Alarm home landing)

When receiving the fire alarm the lift will automatically returns to the ground floor, open the passenger door. Then the lift will open the waiting door and will not work. The wire of the fire alarm system is supplied by the owner to the elevator’s control cabinet.

• The priority mode in the elevator room

When this mode is opened, the elevator only serves commands in the staircase, does not respond to calls outside the floor

• Phase reversal protection device

Set up in the control system to avoid false overload create ignition of the engine.

• Smart controller (for group control elevators)

This controller allows you to select the nearest elevator when there is a signal to call the elevator to save time waiting for the elevator during peak hours, save energy without need set.

• Air lift room will be returned automatically (used for group control elevator)

If one cabin cannot accommodate all waiting passengers at the same time, another cabin will be taken to serve the remaining passengers.

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• Vietnam Standard TCVN 5744: 1993 Lifts – Safety requirements in installation and use.
• Vietnamese standard TCVN 6395: 1998 Electric elevators – safety requirements for structure and use. Vietnam Standard 5866: 1995 Lifts – Mechanical safety mechanisms
• Vietnam standard 5866: 1995 Elevators – Cabin, counterweights, guide rails
• TCVN 6904: 2001 Electric elevator. Test method of construction and installation safety requirements.
• TCVN 5866: 1995. Elevator. Mechanical safety structure.
• TCVN 7628-3: 2007. Installing the elevator. Part 3: Service lifts of type V.
• TCVN 6395: 1998. Electric elevator. Safety requirements for structure and installation.
• TCVN 7628-5: 2007. Installing the elevator. Part 5: Controls, symbols and accessories.
• TCVN 7628-1: 2007. Installing the elevator.
• TCVN 5744: 1993. Elevator. Safety requirements in installation and use.
• TCVN 7550: 2005. Steel cable used for elevators.
• TCVN 5867: 1995. Elevator. Cabin, counterbalance, guide rail. Safety requirements
• TCVN 6610-6: 2000. Polyvinyl chloride insulated cables with rated voltage up to and equal to 450/750 V. Part 6. Elevator cables and cables for mobile connections.
• TCVN 8040: 2009. Elevator and service lift. Guide rails for the cabin and counterweights. Type T
• TCVN 5308: 1991. Technical regulations in construction safety
• TCVN 4086: 1995. Standards in construction electrical safety.
• TCVN 3146: 1986. General requirements for electric welding safety.
• TCVN 3254. General requirements for fire safety.

For imported equipment and materials of the elevator, after being imported, completing the customs procedures will be transferred to the warehouse at the factory. Then when all other materials and equipment are completely manufactured, they will be transported to the site at the same time to prepare for installation.

When materials and equipment are delivered to the site, they will be gathered in the warehouse. Warehouse at the site will be taken care of and preserved by the employees of Indochina Elevator Company (warehouse must ensure shading and rain shading conditions).

In the process of construction and installation, we will establish a management board to operate and supervise the related works at the site according to the organization chart and staffing at the site.

With specialized installation equipment for elevators and a team of skilled workers who have installed many types of elevators in Vietnam, we will complete the installation of the elevator according to the correct process, ensuring safety. in the shortest time.

After completing the installation, the elevator will be operated, checked and calibrated by the company’s many years of experience in charge.

The engine will be inspected and issued a certificate of eligibility for safe use by the Technical Inspection Center of Occupational Safety for the user.

Before handing over to the user, we will assign technical staff to guide and train the rescue operations in case of an emergency.

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• Workers are not allowed to smoke in the construction area.
• Do not leave flammable chemicals and materials near places with fire (during electric welding …) and must have signs prohibiting fire.
• During the construction process, it is forbidden to put flammable substances at the bottom of ladder holes (trees, paper boards, fabrics with oil …).
• When detecting a fire in a construction area or another area within the construction site, must alert everyone and site security staff, and participate in fire fighting with everyone until the fire is extinguished. Turn off.
• Comply with the regulations on fire prevention and fighting.
• Each construction team will be equipped with a fire extinguisher.

ENVIRONMENT PROTECTION

Due to the unique installation problem of the elevator is to only assemble the ladder in the pit area (limited to a small scale). The equipment has been manufactured synchronously, and the devices do not carry any other harmful properties, so the impact on the environment is very small and insignificant.

• Liquids such as oil will be stored in a sealed container with a lid and stored in specified places.
• During the construction process and after cleaning all rubbish will be brought to the designated place to be moved.

OCCUPATIONAL HEALTH AND SAFETY

Occupational safety is one of the goals that our Company has always been interested in, so all employees of the Company are required to undergo a training course on occupational safety regulations. and during the construction on site must strictly comply with the labor safety regulations and the elevator installation procedures, as well as the general rules of the site.

After conducting a field survey on the ground, current conditions of underground works, electrical systems, the location of the ladder. Labor safety measures in the construction work will include:

• Workers are fully equipped with protective equipment such as protective clothing, hats, seat belts, gloves, construction materials systematically. good insulation number.
• When working, the worker must wear protective gear and a helmet
• When working at high altitude, workers must wear seat belts.
• Workers are not allowed to perform construction while the equipment and the power grid are operating.
• Only work in the installation area, do not go to other areas if not necessary.
• During the construction process, there will be a sign to let everyone around to not go within the construction area.

All safety issues will be closely monitored by site supervision. All violations will be corrected and handled immediately by the management board.

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     Gathering equipment

All materials and equipment constituting the elevator after being imported or processed will be gathered at the site to prepare for installation. The equipment is neatly packed for convenience during transport as well as to avoid damage during transportation

     Warehouse

After being transported to the site, all equipment will be loaded into storage in case there is a warehouse on site. If there is no warehouse, we will negotiate with the investor to choose the convenient equipment gathering place for construction. Equipment maintenance will be handled by our company’s staff.

     Construction work

After handing over the pit, we will use the elevator oit at its sole discretion to carry out the installation. During the installation, in order to ensure occupational safety and convenience in installation, we will not allow any other unit to work within the pit. If there is another unit under construction related to the pit, there must be a discussion and our consent.

At the construction, we will establish a management board in charge of installation and solve all problems related to the construction process.

The process of construction of each ladder will be carried out in the following order:

• Close the operation
• Installation and calibrating of cabin rail, rail weighting, chanel
• Install the tractor in the right place
• Install cabin frames, frame frames, load cables.
• Install floor doors and cover floor doors
• Installation of control panel at floor doors
• Install ladder rooms, ladder doors, door transmits.
• Extra cast iron weight + installation of speed control
• Check the mechanical installation, cleaning to conduct the electrical system.
• Installation of control cabinets + motor wiring
• Installation of wire system along pits + Floor control panel
• Install cabin electrical systems, cabin control panel, Intercom and ancies.
• Check the entire ladder before test run
• Test to check and calibrate
• Last cleaning to prepare for handover,
• Complete the work that arises.

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During the construction and installation process, the entire construction site is limited to the pit area, so it does not affect other works.

The order of installation is as follows:

Step 1: Materials are transported to the site and then gradually transferred into the pit, including equipment such as rail cabs, counterbalance rails, channels, tractors, chassi, electrical cabinets, momentum…

Step 2: After all have been placed in the correct position, workers release the plumb and check the exact dimensions and specifications such as the location of the cabin rail, counterweight rail, and floor door. ,.

Step 3: Install the rail, mount the rail in the order from bottom to top, the rails will be fixed with the bass that holds the rail linked with the concrete momentum around the hole. During mounting using the working floor, the floor is raised and lowered by 1 pallet.

Step 4: Install the chassis of the cabin and the counterweight frame. Now use the cabin floor as a working floor. Tractor and chassi are put into exact position. Install the load cable to link the car and the counterweight frame, add poid cast iron to the counterweight frame to balance the load of the ladder, install the governor.

Step 5: Use the tractor, turn hand to bring the cabin frame up and down, install the floor door and cover the floor door, the sequence of mounting from the top down.

Step 6: After completing the floor door, inform Party A to proceed with the construction of the door with the guidance of Party B. The control panel boxes on the doorstep are located during the construction process.

Step 7: Clean the entire pit hole, install the cabin wall and ceiling, the cabin door transmitter, and the cabin door. Raise the ladder to check the correct specifications and add a counterweight poid to balance the load with the cabin.

Step 8: Cleaning and final inspection, then hand over to the power unit.

Step 9: The power unit will be wired to connect the electrical cabinet, the tractor, the electrical wiring system along the hole, the electric wire according to the cabin. Installation of cabin panel, floor panel. Checking of all connected electrical systems is complete. Switch on and run the test at a slow speed for checking and calibration.

Step 10: After checking and adjusting all the specifications as well as the load balance, the ladder is run with no load and then running with full load to adjust the floor balance when stopping. The ladder is run for inspection for 03 days, then full cleaning is carried out to prepare for the inspection.

Step 11: Party B will notify Party A to conduct the acceptance in writing 03 days in advance. After handing over, Party B is responsible for guiding and training Party A’s staff on how to use and rescue the ladder.

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At Dong Duong Elevator, we know that greatness is earned every day and the passion, commitment, and hard work of our employees make our continued success possible. We lead our industry because our employees do more than meet our customers’ needs today.

We go through great lengths to hire and develop the best people, and we offer a supportive environment where employees are motivated and empowered to perform at their full potential. Today, we continue pushing the boundaries of what’s possible to thrive in upcoming peaks.

Why should you choose to join Dong Duong Elevator team

Our success is indispensable for professional talents, staff, and technicians. Accompanying Dong Duong Elevator Company, you not only get the basic benefits of working but also work in a professional environment, well trained in the elevator industry, and colleagues are always friendly and ready to assist when in difficulty.

With the growing trend of the elevator industry in Vietnam, Domng Duong Elevator Company commits to always create more opportunities for human resources to constantly improve and develop.

Labor benefits: Dynamic environment, Labor policy and Salary

WORK ENVIRONMENT

Dong Duong Elevator Company pays attention to the working conditions of employees: we try to create a comfortable, airy, clean workplace; provide adequate machinery, necessary working equipment; equip employees with uniforms as well as full personal protective equipment for employees working at the site.

A dynamic and professional working environment, always creating conditions for each employee to have the opportunity to assert themselves and promote their full capabilities. At work, there is always the guidance of superiors, the coordination of colleagues and related departments in the spirit of the common development of the Company.

LABOR POLICY

Dong Duong Elevator Company operates 44 hours / week working regime.

• Schedule holidays, absent and other absent in accordance with the provisions of the Labor Code.
• Employees who come to work must wear uniforms according to the regulations and strictly obey the discipline of the Company.

SALARY

Salary policy is built on the basis of the assigned work and the performance of the job.

•  Periodically during the year, the Company will consider the performance of employees’ work as a basis for salary increase through the evaluation of direct leaders.
• In addition to the salary, the Company also considered the satisfactory bonus to encourage working spirit for employees: Seniority bonus and performance bonus.

SOCIAL INSURANCE

Dong Duong Elevator Company implements social insurance and medical insurance for employees in accordance with current regulations. Maternity

TRAINING

In order to build staff of knowledgeable work, with good expertise and professional ethics, every year, Dong Duong Elevator Company develops a training plan in accordance with the Company’s development strategy. 

• Integration training: New employees will participate in the integration training program, helping to understand the history of Indochina Elevator’s establishment and development, understand the regulations, processes, working rules and environment. School, the Company’s culture to quickly grasp and integrate fastest with work and colleagues. Organize professional technical and professional training sessions for new employees.
• Internal training: Regularly organize internal training on specialized skills for employees. Focus on practical internal training training, superiors train subordinates, senior experts train lower levels to continue to improve and improve the profession.

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Elevator consultants have experience in their field and have gained this level of expertise by working directly in the vertical transportation industry for many years. They know the ins and outs of the industry and provide you an affordable method. An elevator consultant can save you from making mistakes that could cost significantly and allow you to have work performed the right way the first time.

CONSTRUCTION PROJECT

Elevator consultants for construction projects are typically required by either the owner, or the general contract. An elevator consultant can put together a scope for construction, provide available options for unique building designs, evaluate the process during or after installation, or testing of the equipment.

DESIGN

Every solution and every project design are custom-made based on the characteristics of your home, your project and the understanding of your needs and desires.

A dedicated staff can develop customized projects, compact solutions and satisfy your taste in interior design trends by offering customizations in colours and materials.

We provide solutions because we know how important a solution that adapts to your needs and your environment is.

• Custom design
• Space-saving project development
• A dedicated staff next door

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Some items need to be double – checked and evaluate:

1/ Brake

2/ Speed Governor

3/ Cable

4/ Control board

5/ Tractor

6/ Car door and Landing door

7/ Guide rail

Problems of a long – time using elevator

–    There has vibration when running, jerky start, floor stopping not exact, moving with sound.

–    Slow closing door with vibration and sound.

–    Sometimes stops with sudden, could be trapped inside.

–    Unsteady operation because of worn out electronics and controller.

–    Stained mark on the metal surface of car and landing door causes bad look. Blurred light inside cabin.

Elevator Upgrade Benefits

–    Upgrade helps better operation: faster and softer.

–    Upgrades controlling system by new technology with more features, saving energy.

–    The more convenient elevator, the more advantage business.
–    In comparison with dismounting and installing the whole new lift, upgrading brings more efficiency and much less cost.

COME WITH US, YOU CAN GET

–     Practical consulting, cost cutting
When ordered, we would be in a process of survey and re – examine the elevator condition, and from that on, creating alternatives for clients such as damaged equipment replacing good condition device adjustment in order to not even limit unwanted cost for customers but also help the elevator safe and steady operation.

Some Upgrade Packages are also conducted by demands and restricted cost of clients.

–     Devices and accessories
The replacing devices or electronics are origins. Equipment is selected via reliability assessment.  
–     Warranty 
A long – term warranty for all of replacing electronics, commitment about being alongside of customers as using product coming from Dong Duong.

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