Elevators: Electric traction and Hydraulic 1 SCOPE 1.1 The Contractor agrees to provide skilled competent employees trained by the elevator manufacturer or an accredited elevator apprentice program for the purpose of maintenance and repair of elevators, dumbwaiters, accessibility lifts, and …
A.This section specifies the engineering, furnishing and installation of the complete electric traction elevator system as described herein and as indicated on the Contract drawings. B.Items listed in the singular apply to each elevator in this specification except where noted.
group of elevators. 11. Electrical layout showing placement of lighting, light switches, receptacles, light fixtures, disconnect switches, and convenience outlets in machinery/control room spaces and pits. 12. Complete detailed drawings and wiring diagram of elevator system fault-finding device and connection to annunciator panel. 13.
The following list describes all the safety components used in electrical traction elevator safety system: Device for locking landing doors (Hoistway Door Interlock). Progressive safety gear. Overspeed governor. Buffers. Final Limit switches. Other safety devices and switches. 1- Device for locking landing doors (Hoistway Door Interlock)
Electric Lifts, Electric Elevators. Electric elevators, starts to move through the signal and command comes from control panel. This elevators, moves by friction of the steel rope with traction pulley through the signal and command from the control panel. It is a mechanism moves the elevator …
This Section includes electric traction [passenger] [and] [freight] elevators. Retain below if allowances are used for elevator car finishes. Modify description to suit Project. Allowances: Provide finished elevator cars under the Elevator Car Allowance specified in Division 1 Section "Allowances." Allowance includes furnishing and installing wall
ELECTRIC TRACTION ELEVATORS 14 2100 - 1 . SECTION 14 21 00 - ELECTRIC TRACTION ELEVATORS (MRL Design) NOTES TO DESIGNERS (these notes shall not be included in the final specifications): The following is not intended as a complete specification, but as a detailed template that the design team will use.
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Manufacturers of Electric Traction Service Elevators. Browse companies that make electric traction service elevators and view and download their free cad details, revit BIM files, specifications and other content relating to electric traction service elevators as well as other product information formated for the architectural community.
Traction Lifts is essentially a box on steel ropes that are looped around sheaves connected to an electric motor. The sheaves have a counterweight attached at their end to balance the load of the elevator car. Traction on the ropes raises and lowers the elevator. The same result is provided by both versions of elevators.
VVVF inverter control not only delivers smooth control of the traction machine, its regenerative braking system also conserves a significant amount of energy. Used alongside the gearless traction machine with permanent magnet motor, it ensures that elevators operate at optimal power efficiency, using up to 60%** or less power than AC-2 control.
May 01, 2003· The many codes and guidelines that regulate the electrical design of an elevator can seem overwhelming, and dealing with the electrical inspector, elevator inspector, and Fire Marshal can be even more intimidating. As they review the plans and the construction site, they may have conflicting interpretations or requirements. And as the designer, you can become the fulcrum on which all of …
Elevator features and operation may vary from one elevator to another. So, I will show the basic components for a standard type of elevators which included in all types of traction elevators. Type (I): starting from 320 Kg up to 800 Kg rated load. Type (II): more than 800 Kg up to 1600 Kg rated load. Arrangement (A): Car with side opening door ...
Oct 02, 2019· Elevators require a significant amount of electrical power during normal operation. In order to function properly, there must be enough power to accommodate a full load at any time. Hydraulic elevators will use more electricity in the up direction, but little power is needed to lower the car. Traction elevators offset power use with a ...
Revised Jan-15 Electric Traction Elevators-14 20 00-2 2. Section 26 00 00 – Electrical: Electrical service to main disconnect in elevator machine room, electrical power for elevator installation and testing, electrical
About Traction Elevators. Electric traction elevators are the most common and adaptable type of elevator. They can serve 2 floors or 200 but are most commonly used when total travel exceeds 40 feet. Traction elevators can be designed for a broad range of speeds, capacities and configurations.
plates, sleeves, elevator equipment with integral anchors, and installation instructions and de-liver to Project site in time for installtion. a B. Coordinate locations and dimensions of other work relating to electric traction elevators in-cluding pit ladders, sumps, and floor drains in pits; entrance subsills; and electrical service,
The major difference between traction and hydraulic elevators is in the way the systems transport the cab.With traction elevators, the cab is raised and lowered by traction steel ropes or belts on a pulley system. Compared to hydraulic systems, traction elevators: Uses less energy. Serve mid to high-rise buildings. Ride smoother.
7. Two elevators with duplex control shall have their control panels in the same room. If the design of an existing building being renovated makes this impossible, a monitor showing the other cars status shall be installed in each machine room. D. Electric Service: 1. Unless specified otherwise, the elevator electrical service shall be based on the
ELECTRIC TRACTION ELEVATORS SECTION 14210 14210-5 11/19 term of the specified under maintenance service agreement. 1.08 DELIVERY, STORAGE AND HANDLING A. Coordinate delivery of elevator material throughout construction. B. Store elevator materials in protected environment in accordance with manufacturer recommendations. 1.09 WARRANTY
An elevator (North American English) or lift (Commonwealth English) is a type of cable-assisted, hydraulic cylinder-assisted, or roller-track assisted machine that vertically transports people or freight between floors, levels, or decks of a building, vessel, or other structure. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist ...
Electric Traction Elevators Revised 05/05/14 14215-4 7. Standby power to emergency communications device(s). 1.03 DEFINITIONS A. Terms used are defined in the latest edition of the Safety Code for Elevators and Escalators, ASME A17.1. B. Reference to a device or a part of the equipment applies to the number of devices or
A traction elevator is as quiet and smooth as compared to most conventional hydraulic systems on the market. Residential Elevators exclusive Auto Lowering emergency exit feature allows the Luxury Lift Traction (LLT) to lower automatically to the next landing, allowing passengers to exit safely in the event of a power outage.
The electric traction elevator use machines and cables to move the elevator up and down the hoist way typically with a counterweight system to counter balance the elevator. Types of traction elevators. Geared traction machines are driven by AC or DC electric motors. Geared machines use worm gears to control mechanical movement of elevator cars ...
ELECTRIC TRACTION ELEVATORS . RELEASE – R3.0.3 SECTION 14 21 00 BART FACILITIES STANDARDS Issued: January 2016 PAGE 4 OF 42 STANDARD SPECIFICATIONS. B. Americans with Disabilities Act Accessibility Guidelines for Buildings and Facilities (ADAAG Guidelines) 49 CFR Subtitle A, Part 37, Appendix A. C. California Code of Regulations (CCR): 1.
Traction elevators are lifted by ropes, which pass over a wheel attached to an electric motor above the elevator shaft. They are used for mid and high-rise applications and have much higher travel speeds than hydraulic elevators. A counter weight makes the elevators more efficient by offsetting the weight of the car and occupants so that the motor doesn't have to move as much weight.
B. Coordinate locations and dimensions of other work relating to electric traction elevators including pit ladders and sumps in pits; entrance subsills; and electrical service, - electrical outlets, lights, and switches in pits and machine rooms. 1.9 SEQUENCING . A. Only one elevator may be removed from service at a time, all other elevators must
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