MD ANDERSON Project No. XX-XXXX / MD ANDERSON PROJECT NAME
A/E Name / Issue Description
A/E Project No. / Month, 00, 0000

SECTION 142100 – electric traction elevators

PART 1 - GENERAL

1.01RELATED DOCUMENTS

  1. Drawings and general provisions of the Contract, including General Conditions and Division01 Specification Sections, apply to this Section.
  2. Specifications throughout all Divisions of the Project Manual are directly applicable to this Section, and this Section is directly applicable to them.
  3. Elevator pit, including sump with pump, elevator machine foundation with block-outs in machine room floor slabs and other similar concrete work such as grouting thresholds. Division 03.
  4. Hoistway enclosures, including cutouts for elevator equipment and components penetrating enclosures, building in and grouting hoistway door frames, grouting thresholds. Division 04.
  5. Structural steel work, including intermediate floor framing, where required, elevator pit and buffer ladders, railings, wire mesh partitions, machine room floor grates and hoisting beam at top of the elevator machine room. Division 05.
  6. Waterproofing of elevator pits. Division 07.
  7. Machine room heating, ventilation and air conditioning and temperature control of the machine rooms, hoistway ventilation and sprinklers to meet applicable Codes. Division 23.
  8. Electrical service to main disconnects in elevator machine rooms; electrical power for elevator installation and testing; electrical disconnecting device to elevator equipment prior to activation of the sprinkler system; electrical service for the machine room; receptacles with ground-fault current protection in machine room, secondary areas and pit; lighting in the machine room and elevator cabs, secondary areas and pits; wiring for telephone service to the machine room. Division 21 and Division 26.
  9. Standby-power supply systems including emergency generators and transfer switches for elevator operation. Division 26.
  10. Fire alarm systems including fire and smoke detectors and interconnecting devices; fire alarm signal lines to contacts in the machine room. Division 28.
  11. Security Systems, Division 28.

1.02SUMMARY

  1. This Section includes electric traction passenger and service elevators.

1.03REFERENCE STANDARDS

  1. The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date.
  2. All reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project.
  3. All materials, installation and workmanship shall comply with the applicable requirements and standards addressed within the following references:
  4. ASME A17.1 Safety Code for Elevators and Escalators, latest edition or as required by the local building code.
  5. NFPA 70 National Electrical Code.
  6. NFPA 80 Fire Doors and Windows.
  7. Americans with Disabilities Act – Accessibility Guidelines (ADAAG).
  8. ASME A17.1, Buildings and Facilities, Providing Accessibility and Usability for Physically Handicapped People.
  9. ASME UL 10B and ASTM E152, Fire tests of door assemblies.
  10. The Texas Department of Licensing and Regulation, Texas Accessibility Standards of the Architectural Barriers Act, Article 9102, Texas Civil Statutes (TAS).
  11. Model building codes.
  12. All other local applicable codes.

1.04definitions

  1. Definitions in ASME A17.1 apply to work of this Section.
  2. Defective Elevator Work: Operation or control system failure, including excessive malfunctions; performances below specified ratings; excessive wear; unusual deterioration or aging of materials or finishes; unsafe conditions; need for excessive maintenance; abnormal noise or vibration; and similar unusual, unexpected, and unsatisfactory conditions.
  3. Service Elevator: A passenger elevator that is also used to carry freight.

1.05QUALITY ASSURANCE

  1. Source Limitations: Obtain all elevators specified in Division 14 Section through one source from a single manufacturer.
  2. Provide major elevator components, including driving machines, controllers, signal fixtures, door operators, car frames, cabs, and entrances, manufactured by a single manufacturer.
  3. Regulatory Requirements: In addition to local governing regulations, comply with applicable provisions in ASME A17.1, “Safety Code for Elevators and Escalators.”
  4. Accessibility Requirements: Comply with Section 4.10 in the U.S. Architectural & Transportation Barriers Compliance Board's "Americans with Disabilities Act (ADA), Accessibility Guidelines for Buildings and Facilities (ADAAG)”; and The Texas Department of Licensing and Regulation, Texas Accessibility Standards of the Architectural Barriers Act, Article 9102, Texas Civil Statutes (TAS).
  5. Installer Qualifications: Elevator Contractor must be able to demonstrate that Elevator Contractor has installed and maintained similar elevators to those specified and which have given satisfactory service; has been in successful operation for at least ten (10) years; maintains locally, an adequate stock of new parts for replacement or emergency purposes; has available qualified persons to do the work.
  6. Contractor guarantees they will sell parts and printed circuit boards to the Owner or the Owner’s Agent. The same shall not be dependent on an exchange component. Contractor agrees replacement parts will be available for a minimum of ten (10) years.

1.06extra materials

  1. Refer to Section 01 78 46 for Maintenance Material Requirements.

1.07SUBMITTALS

  1. Product Data: Submit manufacturer’s product data for each system proposed for use. Include the following:
  2. Signal and operating fixtures, operating panels and indicators.
  3. Cab design, dimensions and layout.
  4. Hoistway door and frame details.
  5. Electrical characteristics and connection requirements.
  6. Expected heat dissipation of elevator equipment in machine rooms.
  7. Comp chain detail specification.
  8. Door hanger detail specification.
  9. Roller guide detail specification.
  10. Record Documents:
  11. Manufacturer's warranty form in which manufacturer agrees to repair or replace components that fail in materials or workmanship within specified warranty period.
  12. Shop Drawings:Submit approval layout drawings. Include the following:
  13. Provide floor plan and elevation drawings drawn to scale showing hoistway, elevator cab(s), lifting apparatus and their associated components, machine room with equipment and elevator pit. Elevator submittal is subject to rejection without these drawings.
  14. Driving machine, controller, governor and other machine room component locations.
  15. Car, counterweight, sheaves, guide rails, buffers, ropes, and other components in hoistway.
  16. Rail bracket spacing; maximum loads imposed on guide rails requiring load transfer to building structural framing.
  17. Load reactions at all points of support.
  18. Location of hoisting beams for machine room equipment.
  19. Clearances and over travel of car and counterweight.
  20. Locations in hoistway and machine room of traveling cables and connections for car light and intercom system.
  21. Location and sizes of access doors and frames.
  22. Hoistway door and frame details.
  23. Samples: All exposed materials with finish and all custom fixture fabrications.
  24. Omit all logos from exposed finishes or components.
  25. All cab finishes.
  26. Manufacturer Certificates: Signed by elevator manufacturer certifying that hoistway, pit, and machine room layout and dimensions, as shown on Drawings, and electrical service, as shown and specified, are adequate for elevator system being provided.
  27. Qualification Data: For Elevator Contractor (Installer).
  28. Operation and Maintenance Data: Provide written information necessary for proper maintenance and adjustment of the equipment prior to final acceptance as follows:
  29. Straight line wiring diagrams of as-installed elevator circuits with index of location and function of all components. Leave one set in machine rooms. Provide two (2) corrected sets for Owner’s file 90 days after acceptance.
  30. Lubricating instructions and recommended lubricant grade.
  31. Parts catalogs and maintenance manuals.
  32. Include any special tools, pass words and manuals that are required for maintenance, trouble shooting, adjustments or performance of safety tests for the Owner’s use.
  33. If the Contractor requires the Owner to sign a lease for a special trouble-shooting tool, a copy of the agreement, with all costs associated with its use, shall be submitted with the bid.
  34. Continuing Maintenance Proposal: Service agreement specified in this Section.

1.08DELIVERY, STORAGE and HANDLING

  1. Deliver, store, and handle materials, components, and equipment in manufacturer's protective packaging.
  2. Store materials, components, and equipment off of ground, under cover, and in a dry location. Handle according to manufacturer's written recommendations to prevent damage, deterioration, or soiling.

1.09coordination

  1. Coordinate installation of sleeves, block outs, elevator equipment with integral anchors, and other items that are embedded in concrete or masonry for elevator equipment. Furnish templates, sleeves, elevator equipment with integral anchors, and installation instructions and deliver to Project Site in time for installation.
  2. Coordinate sequence of elevator installation with other work to avoid delaying the Work.
  3. Coordinate locations and dimensions of other work relating to electric traction elevators including pit ladders, sumps, and floor drains in pits; entrance subsills; machine beams; and electrical service, electrical outlets, lights, and switches in pits, machine rooms, and hoistways.
  4. The electrical and mechanical design is based on the following power characteristics and heat releases. The Contractor shall submit with bid, any power characteristics or heat releases of their equipment that exceeds these listed below. Any additions or modifications requested at a later date will be at the expense of the Contractor.

[edit table below with project requirements]

[ARCHITECT/ENGINEER MUST DELETE EVERYTHING IN BLUE AND IN BRACKETS BEFORE PUBLISHING.]

Elevator # / Capacity / Speed / H.P. / Accelerating Amps / Running Amps / Heat Release *
Low Rise
High Rise
Service
  1. * BTU per Elevator per Hour.
  2. All amperages based on 480 volt, 3 phase, 60-hertz system.
  3. Maintain 50 to 90 degrees F temperature with 90 percent non-condensing humidity.

1.10WARRANTY

  1. Provide written warranty to replace, repair, or restore parts or components that fail or do not operate properly due to poor field or factory workmanship, engineering or design for a period of twelve (12) months from the date of Substantial Completion.

1.11maintenance service

  1. Initial Maintenance Service: Beginning at Substantial Completion, provide three (3) months full maintenance service by skilled employees of Elevator Contractor. The maintenance service shall comprise regular examinations of the installation by competent and trained mechanics on a weekly basis, and shall include all necessary adjustments, greasing, oiling, cleaning, and supply of parts and accessories necessary to keep the equipment in good operating condition, except such replacement of parts made necessary by misuse, accidents not attributable to failure of equipment or workmanship, and negligence of the Owner. For the aforementioned period, spare parts shall be available within 24 hours. Maintenance documentation shall be submitted to Owner within one week of completion of prescribed tasks. Emergency Service response time shall be one hour or less, 24 hours a day.
  2. Repair work shall be carried out only by the Elevator Contractor’s personnel using only standard new parts furnished by the Elevator Contractor and shall not be assigned or transferred to any agent.
  3. Continuing Maintenance Proposal: Provide a separate continuing maintenance proposal from Elevator Contractor to Owner, in the form of a five-year maintenance agreement, starting on date initial maintenance service is concluded. State services, obligations, conditions, and terms for agreement period and for future renewal options. Proposal shall include 24-hour emergency callback service. Submit this proposal with the equipment bid for Owner’s review.

PART 2 - PRODUCTS

2.01GENERAL

  1. All materials shall meet or exceed all applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction.
  2. Inspection: The Texas Department of Licensing and Regulation (TDLR) inspector must be approved by the Owner’s Facilities Management/Campus Operation’s Representative.

2.02manufacturers

  1. Subject to compliance with requirements, provide products by one of the following manufacturers. Manufacturer’s models that have not been in service for a minimum of five (5) years are not acceptable, unless approved in writing by the Owner.
  2. Fujitec America, Inc.; Millennium II
  3. KONE Inc.; KCM 831
  4. Otis Elevator Company; Elevonic 411
  5. Schindler Elevator Corporation; MiconicTX for Geared Traction; G 700 Series for Gearless Traction
  6. ThyssenKrupp Elevator; TAC-50

2.03systems and components

  1. General Performance:
  2. Speed: +/- 3 percent under any loading condition.
  3. Capacity: Safely lower, stop and hold up to 125 percent rated load.
  4. Leveling: +/- 1/8 inches under any loading condition.
  5. Door Closing time, Thrust and Kinetic Energy shall comply with ASME Code and ADA.
  6. Machine Room Equipment:
  7. Identification: Provide identifying numbers on drive, machine, governor, controller, disconnect switch and 120 volt light switch.
  8. Geared Machine: The machines shall be of the geared single wrap traction type with the motor, brake, and traction sheave mounted on a continuous bedplate. Sound isolation pads shall be installed beneath the machine bedplate to reduce vibration and noise transmission to the building structure.
  9. Gearless Machine: The machine shall be of the gearless traction type with the traction sheave and brake drum mounted directly on the motor shaft. The machine shall be provided with a steel bedplate. Sound isolation pads shall be installed beneath the machine bedplate to reduce vibration and noise transmission to the building structure.
  10. Motors: The motor shall be designed for elevator service with high starting torque and low starting current and be provided with devices to protect against overloading. The motor shall be of alternating current type. Motor armature shall be dynamically balanced and supported by appropriate ball or roller bearings.
  11. Brake: The brake shall be spring applied and electrically released and designed to hold the car at the floor after it has come to rest and provide smooth stops under variable loads.
  12. Governor: The car safety shall be operated by a centrifugal speed governor located at the top of the hoistway in the machine room. The governor shall actuate a switch when excessive speed occurs, disconnecting power to the motor and applying the brake application of the safety.
  13. Drive System:
  14. A variable voltage variable frequency AC regenerative drive system shall be provided. Power for the system will be taken from the building 3 phase power supply. Provide means for absorbing regenerated power when elevator system is operating on standby power. Provide line filters or chokes to prevent electrical peaks or spikes from feeding back into building power system. The AC voltage will be changed to DC, and a power transistor inverter circuit will change the DC voltage to AC to power the elevator motor. Motor speed and torque will be controlled by varying the frequency and amplitude of the AC. A digital velocity encoder shall be provided on the motor giving feedback to the controller on motor speed and position. Provide line filters, noise spike or notching suppressors to insure other computer-operated equipment in the building will not be affected.
  15. The drive system shall be designed to suppress noise and prevent transient voltage feedback into the building power supply. Isolation transformers and filter networks shall be utilized to ensure that waveform distortion and harmonic content will not adversely affect the operation of standby generator and other equipment.
  16. The power for the system is to be protected for phase loss and phase unbalance protection.
  17. The drive system shall meet or exceed all requirements of IEEE 519 1981 standard for general systems. The position selector shall be part of the microprocessor system. The car position in the hoistway shall be digitized through a primary position encoder. The microprocessor control system shall store the floor position and slowdown points in memory.
  18. The drive control system shall be a dual-loop feedback system based primarily on car position. The velocity profile shall be calculated by the microprocessor control system producing extremely smooth and accurate stops. The velocity encoder shall permit accurate position/velocity feedback and shall permit a fast and accurate control of acceleration and deceleration. The vertical acceleration rate shall be not less than 3.3 ft./sec.² for speeds through 700 fpm, and 4 ft./sec.² for speeds over 700 fpm.
  19. Provide isolation transformers to compensate for building voltage fluctuations.
  20. Automatic Two-Way Leveling:
  21. Each elevator shall have two-way leveling to automatically bring the car to a stop approximately 1/8 inch level with any floor for which a stop has been initiated, regardless of load, rope stretch of direction of travel.
  22. Automatic leveling control shall permit the synchronization of door opening with the stopping of the car at a floor.
  23. Elevator Successive Starting: After all variable frequency drives in a group have been shut down due to lack of normal power, only a single drive shall be allowed to start up at one time.
  24. Normal Stopping Devices: Provide slow-down and normal stopping devices on top of each car.
  25. Guards: In addition to guards for sheaves and other similar items hereinafter specified, attention is directed to the requirements relative to guarding of exposed gears, sprockets, tape or rope sheaves, or devices of selectors, floor controllers, or signal machines, and the ropes, chains, or tapes for driving same in machine rooms and secondary spaces. Kick angles shall be included around all unprotected openings in the machine room floor.
  26. Motion Control:
  27. Furnish and install microprocessor based motion controller for each elevator.
  28. The motion control system shall perform all of the functions of safe elevator motion and elevator door control. This shall include all the hardware and software required to connect, transfer and interrupt power, and protect the equipment against overloads. The motion controller shall interface with the microprocessor control system.
  29. Guide Rails: Car and counterweight guide rails shall be machined. Rails, brackets, and bracket spacing shall conform to ASME A17.1 Code requirements. Guide rails shall be pinned or welded after alignment. Locate brackets at maximum intervals allowed by Code where such spacing can eliminate the need for intermediate support structure, and does not impact the quality of car operation. Bracket design shallaccommodate offsets or variations in hoistway walls. Include ladder brackets where necessary.
  30. Pit Switch:Provide an additional pit switch where pit depth exceeds 66 inches per code requirements.
  31. Ropes: Steel suspension ropes and their connections shall conform to ASME A17.1, Section 2.12.
  32. Elevator Counterweights:A counterweight shall be provided for each elevator equal in weight to approximately the weight of the car plus a minimum of 40 to 45 percent of the rated load.