C 14 21 00 New Traction Elevator Specification.pdf

05-01-2023

14 21 00-1

SECTION 14 21 00

NEW TRACTION ELEVATOR

SPEC WRITER NOTE: Delete between

//__// and paragraph content not applicable to project and write "not used" after title.

PART 1 - GENERAL

1.1 DESCRIPTION

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.

SPEC WRITER NOTE: Edit or delete

Subparagraphs C, D, and E to suit the project. Add elevator schedules as needed.

C. Passenger Elevator P__ must be // overhead traction // basement traction //, microprocessor control system, AC VVVF motor control, power operated car and hoistway doors, Elevator must be Class “A” loading rated as a minimum.

D. Service/Passenger Elevator S__ must be // overhead traction // basement traction //, microprocessor control system, AC VVVF motor control, power operated car and hoistway doors. Elevator must be Class “C3” loading rated as a minimum.

E. Freight Elevator F__ must be // overhead traction // basement traction

//, microprocessor control system, AC VVVF motor control, power operated vertical by-parting hoistway doors and car gate. Elevator must be Class “C1” loading rated as a minimum.

ELEVATOR SCHEDULE

Elevator Number

Overall Platform Size

Clear Inside Platform

Rated Load – kg (lb)

Contract Speed - m/s (fpm)

Total Travel – m (ft)

Floors Served

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ELEVATOR SCHEDULE

Number of Openings

Entrance Type & Size

Type of Roping

1.2 RELATED WORK

A. Section 01 33 23 SPECIFICATIONS AND DRAWINGS FOR CONSTRUCTION (FAR

52.236-21) and, SPECIAL NOTES (VAAR 852.236-91), in GENERAL CONDITIONS.

B. Section 07 84 00, FIRESTOPPING: Sealing around penetrations to maintain the integrity of fire-rated construction.

C. SECTION 09 06 00, SCHEDULE FOR FINISHES: As a master format for construction projects, to identify interior and exterior material finishes for type, texture, patterns, color, and placement.

D. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS: Requirements for seismic restraint of non-structural components.

E. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements that are common to more than one section.

F. Section 26 05 19, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

(600 VOLTS AND BELOW): Low Voltage power and lighting wiring.

G. Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS:

Requirements for personnel safety and to provide a low impedance path for possible ground fault currents.

H. Section 26 05 33, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits for cables and wiring.

I. Section 26 05 73, OVERCURRENT PROTECTIVE DEVICE COORDINATION STUDY:

Requirements for installing the over-current protective devices to ensure proper equipment and personnel protection.

J. Section 26 22 00, LOW-VOLTAGE TRANSFORMERS: Low voltage transformers.

K. Section 26 24 16, PANELBOARDS: Low voltage panelboards.

L. Section 26 43 13, TRANSIENT-VOLTAGE SURGE SUPPRESSION: Surge suppressors installed in panelboards.

M. Section 26 51 00, INTERIOR LIGHTING: Fixture and ballast type for interior lighting.

1.3 QUALIFICATIONS

A. Approval by the Contracting Officer is required for products and services of proposed manufacturers, suppliers, installers, and must be

14 21 00-3 contingent upon submission of certificates by the Contractor stating the following:

1. Elevator contractor is currently and regularly engaged in the installation of elevator equipment as one of his principal products.

2. Elevator contractor must have five (5) years of successful experience, trained supervisory personnel, and facilities to install elevator equipment specified herein.

3. Elevator Mechanic (Installer) must have passed a Mechanic

Examination approved by the U.S. Department of Labor and have technical qualifications of at least five years of experience in the elevator industry or 10,000 hours of field experience working in the elevator industry with technical update training. Apprentices must be actively pursuing Certified Elevator Mechanic status.

Certification must be submitted for all workers employed in this capacity.

B. Welding at the project site must be performed by certified welders who have previously qualified by test as prescribed in American Welding

Society Publications AWS Dl.1 to perform the type of work required.

Certificates must be submitted for all workers employed in this capacity. A welding or hot work permit is required for each day and must be obtained from the VAMC safety department. Request permit one day in advance.

C. Electrical work must be performed by a Licensed Master Electrician and

Licensed Journeymen Electricians as requirements by NEC. Certificates must be submitted for all workers employed in this capacity.

D. Approval will not be given to elevator contractors and manufacturers who have established on prior projects, either government, municipal, or commercial, a record of unsatisfactory elevator installations, have failed to complete awarded contracts within the contract period, and do not have the requisite record of satisfactory performing elevator installations of similar type and magnitude.

E. Approval of Elevator Contractor’s equipment must be contingent on the equipment manufacturer providing factory training, engineering, and technical support, including all manuals, wiring diagrams, and tools necessary for adjusting, maintenance, repair, and testing of equipment to the VA for use by the VA’s designated Elevator Maintenance Service

Provider.

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F. Identifying an elevator maintenance service provider that must render services within // one hour // two hours // of receipt of notification, together with certification that the quantity and quality of replacement parts stock is enough to warranty continued operation of the elevator installation.

G. Equipment within a group of traction elevators must be the product of the same manufacturer.

H. The Contractor must provide and install safety devices that have been subjected to tests witnessed and certified by an independent professional testing laboratory that is not a subsidiary of the firm that manufactures supplies or installs the equipment.

1.4 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification.

Elevator installation must meet the requirements of the latest editions published and adopted by the United States Department of Veterans

Affairs on the date contract is signed.

B. Federal Specifications (Fed. Spec.):

J-C-30B - Cable and Wire, Electrical (Power, Fixed Installation)

J-C-580 – Cord, Flexible, and Wire, Fixture

W-S-610 – Splice Connectors

W-C-596F - Connector, Plug, Electrical; Connector, Receptacle, Electrical

W-F-406E - Fittings for Cable, Power, Electrical and Conduit, Metal, Flexible

HH-I-558C - Insulation, Blankets, Thermal (Mineral Fiber, Industrial

Type)

W-F-408E - Fittings for Conduit, Metal, Rigid (Thick-Wall and Thin-wall

Type)

RR-W-410 - Wire Rope and Strand

TT-E-489J - Enamel, Alkyd, Gloss, Low VOC Content

QQ-S-766 - Steel, Stainless and Heat Resisting, Alloys, Plate, Sheet, and Strip

C. American Society of Mechanical Engineers (ASME):

A17.1 - Safety Code for Elevators and Escalators

A17.2 - Inspectors Manual for Electric Elevators and Escalators

D. National Fire Protection Association:

NFPA 13 - Standard for the Installation of Sprinkler Systems

NFPA 70 - National Electrical Code (NEC)

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NFPA 72 - National Fire Alarm and Signaling Code

NFPA 101 - Life Safety Code

NFPA 252 - Fire Test of Door Assemblies

E. International Building Code (IBC).

F. American Society for Testing and Materials (ASTM):

A1008/A1008M-09 - Steel, Sheet, Cold Rolled, Carbon, Structural, High-

Strength Low-Alloy and High Strength Low-Alloy with

Improved Formability

E1042-02 - Acoustically Absorptive Materials Applied by Trowel or Spray

G. Manufacturer's Standardization Society of the Valve and Fittings

Industry (MSS):

SP-58 - Pipe Hangers and Supports

H. Society of Automotive Engineers, Inc. (SAE):

J517-91 - Hydraulic Hose, Standard

I. Gauges:

Sheet and Plate: U.S. Standard (USS)

Wire: American Wire Gauge (AWG)

J. American Welding Society (AWS):

D1.1 - Structured Welding Code Steel

K. National Electrical Manufacturers Association (NEMA):

LD-3 - High-Pressure Decorative Laminates

L. Underwriter's Laboratories (UL):

486A - Safety Wire Connectors for Copper Conductors

797 - Safety Electrical Metallic Tubing

M. Institute of Electrical and Electronic Engineers (IEEE)

N. Regulatory Standards:

VA Barrier Free Design Handbook H-18-13

VA Seismic Design Manual H-18-8

Uniform Federal Accessibility Standards

O. National Elevator Industry, Inc.

NEII-1 Building Transportation Standards and Guidelines

SPEC WRITER NOTE: Edit section 1.5 to meet project requirement.

1.5 SUBMITTALS

A. Submit in accordance with Specification Section 01 33 23, SHOP

DRAWINGS, PRODUCT DATA, and SAMPLES.

B. Before execution of work, furnish information to evidence full compliance with contract requirements for proposed items. Such

14 21 00-6 information must include, as required: Manufacturer's Name, Trade

Names, Model or Catalog Number, Nameplate Data (size, capacity, and rating) and corresponding specification reference (Federal or project specification number and paragraph). All submitted drawings and related elevator material must be forwarded to the Contracting Officer.

C. Shop Drawings:

1. Complete scaled and dimensioned layout in plan and section view showing the arrangement of equipment and all details of each elevator unit specified including:

a. Hoisting machines, controllers, power conversion devices, governors, and all other components located in machine room.

b. Car, counterweight, sheaves, supporting beams, guide rails, brackets, buffers, and size of car platform, car frame members, and other components located in hoistway.

c. Rail bracket spacing and maximum vertical forces on guide rails in accordance with H 18-8 for Seismic Risk Zone 2 or greater.

d. Reaction at points of support and buffer impact loads.

e. Weight of principal parts.

f. Top and bottom clearances and over travel of car and counterweight.

g. Location of main line switch/shunt trip circuit breaker, switchboard panel, light switch, and feeder extension points in the machine room.

2. Drawings of hoistway entrances and doors showing details of construction and method of fastening to the structural members of the building.

a. If drywall construction is used to enclose hoistway, submit details of interface fastenings between entrance frames and drywall.

b. Sill details including sill support.

D. Samples:

1. One each of stainless steel, 76 mm x 127 mm (3 in. x 5 in.).

2. One each of baked enamel, 76 mm x 127 mm (3 in. x 5 in.).

3. One each of color floor covering.

4. One each of protection pads, 76 mm x 127 mm (3 in. x 5 in.) if used.

5. One each car and hoistway Braille plate sample.

6. One each car and hall button sample.

7. One each car and hall lantern/position indicator sample.

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8. One each wall and ceiling material finish sample.

9. One each car lighting sample.

E. Name of manufacturer, type or style designation, and applicable data of the following equipment must be shown on the elevator layouts:

1. Hoisting Machine.

2. Hoisting Machine Motor, HP and RPM ratings, Voltage, Starting and

Full Load Ampere, and Number of Phases.

3. Controller.

4. Starters and Overload Current Protection Devices.

5. Car and Counterweight Safety Devices; Type “B” safeties, Governor, and Rope Gripper.

6. Electric Door Operator; HP, RPM, Voltage, and Ampere rating of motor.

7. Hoistway Door Interlocks.

8. Car and Counterweight Buffers; maximum and minimum rated loads, maximum rated striking speed, and stroke.

9. Cab Ventilation Unit; HP rating and CFM rating.

10. Hoist and Compensation Ropes; breaking strength, allowable working load, and actual working load.

F. Complete construction drawings of elevator car enclosure showing dimensioned details, fastenings to platform, car lighting, ventilation, ceiling framing, top exits, and location of car equipment.

G. Complete dimensioned detail of vibration isolating foundations for traction hoisting machines.

H. Dimensioned drawings showing details of:

1. All signal and operating fixtures.

2. Car and counterweight roller guides.

3. Hoistway door tracks, hangers, and sills.

4. Door operator, infrared curtain units.

I. Cut sheets and drawings showing details of controllers and supervisory panels.

J. Furnish certificates as required under: Paragraph "QUALIFICATIONS".

1.6 WIRING DIAGRAMS

A. Provide three complete sets of paper and one electronic set field wiring and straight-line wiring diagrams showing all electrical circuits in the hoistway, machine room and fixtures. Install one set coated with an approved plastic sealer and mounted in the elevator machine room as directed by the Resident Engineer.

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B. In the event field modifications are necessary during installation, diagrams must be revised to include all corrections made prior to and during the final inspection. Corrected diagrams must be delivered to the Resident Engineer/Contracting Officer within thirty (30) days of final acceptance.

C. Provide the following information relating to the specific type of microprocessor controls installed:

1. Owner's information manual, containing job specific data on major components, maintenance, and adjustment.

2. System logic description.

3. Complete wiring diagrams needed for field troubleshooting, adjustment, repair, and replacement of components. Diagrams must be base diagrams, containing all changes and additions made to the equipment during the design and construction period.

4. Changes made during the construction and warranty period must be noted on the drawings in adequate time to have the finalized drawings reproduced for mounting in the machine room no later than six months prior to the expiration of the warranty period.

1.7 PERFORMANCE STANDARDS

A. The elevators must meet the highest standards of the industry and specifically the following:

1. Contract speed is high speed in either direction of travel with rated capacity load in the elevator. Speed variation under all load conditions, regardless of direction of travel, must not vary more than three (3) percent.

2. The controlled rate of change of acceleration and retardation of the car must not exceed 0.1G per ft/s/s and the maximum acceleration and retardation must not exceed 0.2G per ft/s/s.

3. Starting, stopping, and leveling must be smooth and comfortable without appreciable steps of acceleration and deceleration.

B. Passenger/ Service door operator must open the car door and hoistway door at 76.2 cm (2.5 ft) per second and close at 30.5 cm (1 ft) per second. Freight door operators must open and close at 30.5 cm (1 ft) per second.

C. Floor level stopping accuracy must be within 3 mm (.125 in.) above or below the floor, regardless of load condition.

D. Noise and Vibration Isolation: All elevator equipment including their supports and fastenings to the building, must be mechanically and

14 21 00-9 electrically isolated from the building structure to minimize objectionable noise and vibration transmission to car, building structure, or adjacent occupied areas of building.

E. Sound Isolation: Noise level relating to elevator equipment operation in machine room must not exceed 80 decibels. All decibel readings must be taken 91.4 cm (3 ft) off the floor and 91.4 cm (3 ft) from equipment.

F. Airborne Noise: Measured noise level of elevator equipment during operation must not exceed 50 decibels in elevator lobbies and 60 decibels inside car under any condition including door operation and car ventilation exhaust blower on its highest speed.

1.8 WARRANTY

A. Submit all labor and materials furnished regarding elevator system and installation to terms of "Warranty of Construction" articles of FAR clause 52.246-21. The One-Year Warranty and Guarantee Period of Service must commence and run concurrent after final inspection, completion of performance test, and upon acceptance of each elevator.

B. During warranty period if a device is not functioning properly in accordance with specification requirements, more maintenance than the contract requires keeping device operational, device must be removed and a new device meeting all requirements must be installed as part of work until satisfactory operation of installation is obtained. Period of warranty must start anew for such parts from date of completion of each new installation performed, in accordance with foregoing requirements.

1.9 POWER SUPPLY

A. Power supply requirements in each machine room, see Specification 26 05

19, Electrical specifications, and Electrical drawings.

B. Main Line Fused Disconnect Switch/Shunt Trip Circuit Breaker for each controller must be located inside the machine room at the strike jamb side of the machine room door and lockable in the “Off” position.

C. Provide Surge Suppressors to protect the elevator equipment.

1.10 EMERGENCY POWER SUPPLY

A. Emergency power supply, its starting means, transfer switch for transfer of elevator supply from normal to emergency power, two pair of conductors in a conduit from an auxiliary contact on the transfer switch (open or close contacts as required by Elevator Controller

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Manufacturer) to terminals in the group elevator controller and other related work must be provided by the Electrical Contractor.

B. Upon loss of normal power supply there must be a delay before transferring to emergency power of 10 seconds minimum to 45 seconds maximum, the delay must be accomplished through an adjustable timing device.

C. Prior to the return of normal power an adjustable timed circuit must be activated that will cause all elevators to remain at a floor if already there or stop and remain at the next floor if in flight. Actual transfer of power from emergency power to normal building power must take place after all elevators are stopped at a floor with doors open.

D. Car lighting circuits must be connected to the emergency power panel.

1.11 ELEVATOR MACHINE ROOM AND MACHINE SPACE

A. Provide a machine room that meets the requirements of ASME A17.1, NEC, NFPA, and IBC. The elevator drive machine and elevator controller must be in the same code approved machine room.

B. Provide stairs and landing for access to the machine room. The landing must be large enough to accommodate full opening of the door plus 61 cm

(24 in.).

C. Locate the shunt trip breaker/main line disconnect and machine room light switch on the lock side of the door inside the machine room.

D. Locate sprinkler pipes to provide 213.3 cm (7 ft) head clearance. Do not locate sprinkler heads, heat detectors, and smoke detectors directly over elevator equipment.

1.12 HOISTWAY LIGHTING

A. Provide lighting throughout the entire hoistway with 3-way switches at the top and bottom of the hoistway accessible from elevator hoistway entrance prior to entering the pit or stepping onto the car top.

B. Lighting must illuminate top of elevator cab when it is at the top floor and the pit when at the bottom floor.

1.13 TOOL CABINET

A. Provide a metal parts/tool cabinet, having two shelves and hinged doors. Cabinet must be 1219 mm (48 in.) high, 762 mm (30 in.) wide, and

457 mm (18 in.) deep.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Where stainless steel is specified, it must be corrosion resisting steel complying with Fed. Spec. QQ-S-766, Class 302 or 304, Condition A

14 21 00-11 with Number 4 finish on exposed surfaces. Stainless steel must have the grain of belting in the direction of the longest dimension and surfaces must be smooth and without waves. During installation stainless-steel surfaces must be protected with suitable material.

B. Where cold rolled steel is specified, it must be low-carbon steel rolled to stretcher level standard flatness, complying with ASTM A109.

2.2 MANUFACTURED PRODUCTS

A. Materials, devices, and equipment furnished must be of current production by manufacturers regularly engaged in the manufacture of such items. The elevator equipment, including controllers, door operators, and supervisory system must be the product of manufacturers of established reputation, provided such items are capably engineered and produced under coordinated specifications to ensure compatibility with the total operating system.

B. Manufacturers of equipment assemblies which include components made by others must assume complete responsibility for the final assembled unit. Components must be compatible with each other and with the total assembly for the intended service.

C. Mixing of manufactures related to a single system or group of components must be identified in the submittals.

D. Key operated switches provided for this elevator installation must be provided with four (4) keys for each individual switch or lock. Provide different key tumblers for different switch and lock functions. Each key must have a tag bearing a stamped or etched legend identifying its purpose.

2.3 CONDUIT AND WIREWAY

A. Provide new conduit and wireway. Install electrical conductors, except traveling cable, in rigid zinc-coated steel or aluminum conduit, electrical metallic tubing or metal wireways. Rigid conduit smaller than 19 mm (.75 in.) or electrical metallic tubing smaller than 12.5 mm

(.50 in.) electrical trade size must not be used. All raceways completely embedded in concrete slabs, walls, or floor fill must be rigid steel conduit. Wireway (duct) must be installed in the hoistway and to the controller and between similar apparatus in the elevator machine room. Fully protect self-supporting connections, where approved, from abrasion or other mechanical injury. Flexible metal conduit not less than 9.375 mm (.375 in.) electrical trade size may be used, not exceeding 457 mm (18 in.) in length unsupported, for short

14 21 00-12 connections between risers and limit switches, interlocks, and for other applications permitted by NEC.

B. All conduit terminating in steel cabinets, junction boxes, wireways, switch boxes, outlet boxes and similar locations must have approved insulation bushings. Install a steel lock nut under the bushings if they are constructed completely of insulating materials. Protect the conductors at ends of conduits not terminating in steel cabinets or boxes by terminal fittings having an insulated opening for the conductors.

C. Rigid conduit and EMT fittings using set screws or indentations as a means of attachment must not be used.

D. Connect motor or other items subject to movement, vibration, or removal to the conduit or EMT systems with flexible, steel conduits.

2.4 CONDUCTORS

A. Conductors must be new stranded or solid coated annealed copper in accordance with Federal Specification J-C-30B for Type RHW or THW.

Where 16 and 18 AWG are permitted by NEC, single conductors, or multiple conductor cables in accordance with Federal Specification J-C-

580 for Type TF may be used provided the insulation of single conductor cable and outer jacket of multiple conductor cable is flame retardant and moisture resistant. Multiple conductor cable must have color or number coding for each conductor. Conductors for control boards must be in accordance with NEC. Joints or splices are not permitted in wiring except at outlets. Tap connectors may be used in wireways provided they meet all UL requirements.

B. Provide new conduit and wiring between machine room, hoistway and fixtures.

C. All wiring must test free from short circuits or ground faults.

Insulation resistance between individual external conductors and between conductors and ground must be a minimum of one megohm.

D. Where size of conductor is not given, voltage and amperes must not exceed limits set by NEC.

E. Provide equipment grounding. Ground the conduits, supports, controller enclosure, motor, platform and car frame, and all other non-current conducting metal enclosures for electrical equipment in accordance with

NEC. The ground wires must be copper, green insulated and sized as required by NEC. Bond the grounding wires to all junction boxes, cabinets, and wire raceways.

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F. Terminal connections for all conductors used for external wiring between various items of elevator equipment must be solderless pressure wire connectors in accordance with Federal Specification W-S-610. The

Elevator Contractor may, at his option, make these terminal connections on #10 gauge or smaller conductors with approved terminal eyelets set on the conductor with a special setting tool, or with an approved pressure type terminal block. Terminal blocks using pierce-through serrated washers are not acceptable.

2.5 TRAVELING CABLES

A. All conductors to the car must consist of new flexible traveling cables conforming to the requirements of NEC. Traveling cables must run from the junction box on the car directly to the controller in the machine room. Junction boxes on the car must be equipped with terminal blocks.

Terminal blocks having pressure wire connectors of the clamp type that meet UL 486A requirements for stranded wire may be used in lieu of terminal eyelet connections. Terminal blocks must have permanent indelible identifying numbers for each connection. Cables must be securely anchored to avoid strain on individual terminal connections.

Flame and moisture resistant outer covering must remain intact between junction boxes. Abrupt bending, twisting and distortion of the cables must not be permitted.

B. Provide spare conductors equal to 10 percent of the total number of conductors furnished, but not less than 5 spare conductors in each traveling cable.

C. Provide shielded wires for the auto dial telephone system within the traveling cable, five (5) pair shielded wires for card reader, Ethernet cables required for Wi-Fi and other systems, two (2) pair 14-gauge wires for 110 Volt power supply, and wire for video display monitor if specified.

D. Traveling cables that contact the hoistway or elevator due to sway or change in position, provide shields or pads to the elevator and hoistway to prevent damage to the traveling cables.

E. Hardware cloth may be installed from the hoistway suspension point to the elevator pit to prevent traveling cables from rubbing or chafing and securely fastened and tensioned to prevent buckling. Hardware cloth is not required when traveling cable is hung against a flat wall.

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2.6 CONTROLLER AND SUPERVISORY PANEL

A. UL/CSA Labeled Controller: Mount all assemblies, power supplies, chassis switches, and relays on a steel frame in a NEMA Type 1 General

Purpose Enclosure. Cabinet must be securely attached to the building structure.

B. Properly identify each device on all panels by name, letter, or standard symbol which must be neatly stencil painted or decaled in an indelible and legible manner. Identification markings must be coordinated with identical markings used on wiring diagrams. The ampere rating must be marked adjacent to all fuse holders. All spare conductors to controller and supervisory panel must be neatly formed, laced, and identified.

C. Controller must be provided with wiring and components for additional future travel if required.

2.7 MICROPROCESSOR CONTROL SYSTEM

A. Provide a new microprocessor control system with absolute position/speed feedback to control dispatching, signal functions, door operation, and VVVF Drive for hoist motor control. Complete details of the components and printed circuit boards, together with a complete operational description, must be submitted for approval. Add

Regenerative Drive when economically advantages to the VA.

B. Controller manufacturer must provide factory training, engineering, and technical support, including all manuals, wiring diagrams, and tools necessary for adjusting, maintenance, repair, and testing of equipment to the VA for use by the VA’s designated Elevator Maintenance Service

Provider.

C. Microprocessor dispatching system must evaluate building traffic demand including number of elevators in service, hall calls, car calls, elevator position, direction of travel, load in elevator, door status, and select an elevator to answer hall calls for least possible passenger wait times.

2.8 MACHINE ROOM MONITOR

A. Provide a monitor in each machine room, separate monitors for each passenger elevator group, and each service elevator group. Provide a separate keyboard for each monitor.

B. The monitor must contain indicators to provide the following information:

1. The floor where each elevator is currently located.

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2. The direction that each elevator is currently traveling or is scheduled to travel.

3. The location and direction of currently registered hall calls.

4. Elevators that are currently out of service.

5. Elevators that are currently bypassing hall calls.

6. Elevators that are currently engaged in passenger transfers.

7. Operations program under which entire group is currently operating.

8. Zone divisions of the entire group.

9. Door positions.

10. Status indication for elevators on independent service, car top inspection, fire service, earthquake protection, and activated stop switch and alarm bell.

C. The maintenance terminal must be suitable for all troubleshooting procedures related to the specific type of microprocessor installed on this project.

2.9 EMERGENCY POWER OPERATION

A. The control system for Elevator(s) must provide for the operation of at least one car per elevator group on emergency power upon failure of the normal power supply.

B. Auxiliary equipment on elevator controllers, wiring between associated elevator controllers and wiring between elevator controllers and remote selector panel as required to permit the elevators to operate as detailed, must be provided by the Elevator Contractor.

C. Upon loss of normal power supply there must be a delay before transferring to emergency power of 10 seconds minimum to 45 seconds maximum, the delay must be accomplished through an adjustable timing device. After adjusting delay, the associated elevators must function the same as on normal power or as follows:

SPEC WRITER NOTE: Selector switch is not required when all elevators in the group operate on Emergency Power at the same time.

1. Selector switch, Automatic position:

a. Not more than // one elevator // two elevators // at a time in each group must be automatically selected and returned to the main floor, at contract speed, cycle its car and hoistway doors and shut down, with "Door Open" button remaining operable.

b. As each elevator reaches the designated floor and shuts down, another elevator must start and return to the designated floor.

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c. Elevators that have been manually removed from automatic service and are on independent service, fire service or medical emergency must receive an automatic return signal. Elevators on inspection service or out of service must not receive a signal.

d. When an elevator is given a signal to return, and it is unable to start its movement to the designated floor within 30 seconds it must be by-passed. When an elevator is by-passed, another elevator must start and return.

e. This process must continue until all elevators have returned to the designated floor and shut down.

f. Any elevator or elevators by-passed on initial return signal must be signaled again.

g. When all cars in group have returned to designated floor, // one elevator // two elevators // all elevators // in each group must be designated for automatic operation. Individual cars in each group must restart at 5 second intervals.

h. Elevator(s)keyed on to medical emergency service in the car prior to transfer to emergency power operation, medical emergency service must be retained. This elevator must be the first automatically selected elevator to operate on emergency power operation and complete its selected call demand. The elevator will return to the designated floor after the key switch is reset to normal position.

2. Selector switch, Manual operation:

a. Selector switch must be mechanically and electrically interlocked to prevent the selection of more than // one elevator // two elevators // from operating on emergency power.

b. The selector switch must have positions marked with the number of each elevator controlled. It must also have a position marked

"Automatic". When the selector switch is set to the automatic position, the medical emergency service car must operate on emergency power operation, or if none, the last car arriving at the designated floor must operate on emergency power operation.

c. Change in selection of elevators must be by means of the selection switch and must occur only when the previous selected elevator is stopped at the designated floor.

d. The selector switch must be locked out of operation when the system is in the normal mode of operation.

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e. Locate the selector switch above the hall push button at the designated level. The key switch must be a tumbler type lock furnished with four keys. The enclosure faceplate must be identified "Emergency Power Control" with 12.5 mm (.50 in.)

engraved letters filled with black paint.

D. Prior to the return of normal power an adjustable timer circuit must activate that will cause all cars to remain at a floor if already there or stop and remain at the next floor if in flight. Actual transfer of power from emergency power to normal building power must take place after all cars are stopped at a floor with their doors open.

SPEC WRITER NOTE: If emergency power is not provided delete A-D and use E.

E. Emergency Rescue Operation:

Provide a power source to send the elevator to the nearest landing.

After the elevator has leveled at the nearest landing, provide power to open the car and hoistway doors automatically. After a predetermined time, the doors must close. Power must stay applied to the door open button to reopen the doors from the inside of the elevator. The elevator must remain shut down at the landing until normal power is restored. Install a sign on the controller indicating that power is applied to emergency rescue operator and door operator during loss of normal power.

2.10 FIREFIGHTER’S SERVICE

A. Provide Firefighter’s Service.

1. Main Floor:

2. Alternate Floor:

3. Verify main and alternate floors with RE/CO or authorized representative.

2.11 INDEPENDENT SERVICE

A. Provide an INDEPENDENT SERVICE // key switch on the face of the main car operating panel // or a toggle switch in the service operating panel // that must have its positions marked "ON" and "OFF". When the switch is in the "ON" position, the car must respond only to calls registered on its car dispatch buttons and must bypass all calls registered on landing push buttons. The car must start when a car call is registered, car call button or door close button is pressed, car and hoistway doors are closed, and interlock circuits are made. When switch is returned to "OFF" position, normal service must be resumed.

14 21 00-18

SPEC WRITER NOTE: Select elevators to respond on Medical Emergency. Delete

Medical Emergency if not required.

2.12 MEDICAL EMERGENCY SERVICE – PATIENT CARE FACILITIES ONLY

A. Provisions must be made for calling elevator(s) to floors served by the elevator on an emergency basis, operating independently from the dispatch signals and landing call signals.

B. Install key switches in the floor landing push button fixtures above the push buttons.

C. Provide a call registered light indicator adjacent to key switch. The key switch at the landings and in the car, must only be operable by authorized personnel with a key.

D. When a key switch is activated at any floor, the call register light indicator must illuminate at the call floor and inside the elevator.

The elevator control system must instantly select an elevator to respond to the medical emergency call. Immediately upon selection, all car calls must be cancelled. If car is traveling away from the medical emergency call, it must slow down and stop at the nearest floor, maintain closed doors, reverse direction, and proceed nonstop to the medical emergency call floor. If the car is traveling toward the medical emergency call floor, it must proceed to that floor nonstop. If at the time of selection, it is slowing down for a stop, the car must stop, maintain doors closed, and start immediately toward the medical emergency floor.

E. Arriving at the medical emergency floor, the car must remain with doors open for 60 seconds. After this interval has expired and the car has not been placed on medical emergency operation inside the car, the car must automatically return to normal service.

F. Provide an LED illuminated indicator light next to the Medical

Emergency key switch the same size as the Fire Service indicator.

1. Locate a “Medical Emergency” key switch above call buttons in the main car operating panel for selecting medical emergency service.

Activation of the key switch will allow the car to accept a car call for any floor, close doors, and proceed nonstop to the floor desired.

2. After medical emergency call has been completed the elevator must return to normal operation after the key is removed.

G. In the center of the rear cab panel provide a back lighted "MEDICAL

EMERGENCY" LED illuminated display that must flash on and off

14 21 00-19 continuously when the car is assigned to this operation and until it is restored to normal service. "MEDICAL EMERGENCY" indicator must be a photographic negative type 1828 mm (72 in.) to center above the floor, 152 mm (6 in.) wide X 76 mm (3 in.) high, with 12.5 mm (.50 in.) high letters legible only when illuminated.

H. Elevators being operated on “Independent Service”, the medical emergency service indicator lights in the car operating panel and rear wall must be illuminated, buzzer must sound, and the “Audio Voice” system must direct the attendant to return the car to automatic operation.

I. If the car is out of service and unable to answer medical emergency calls, the call register light must not illuminate.

J. Each key switch must have its identity legible and indelible engraved in faceplates. All lettering must be 6 mm (.25 in.) high, filled with black paint.

K. When Phase I firefighter’s recall is activated, it must over-ride elevators on medical emergency service and return them to the main or alternate fire service recall floor. When the fire emergency floor has been identified the attendants may complete their medical emergency run on Phase II firefighter’s operation if life safety is not affected.

2.13 SEISMIC REQUIREMENTS

A. Meet the requirements of VA Seismic Design Manual H-18-8.

2.14 ELEVATOR MACHINE BEAMS

A. Overhead beams must support machines and machinery in place to prevent movement under any conditions imposed in service.

2.15 TRACTION HOIST MACHINE

A. Provide new geared/gearless traction machine with an AC motor, brake, drive sheave, and deflector sheave mounted in proper alignment on an isolated bedplate.

B. Provide hoist machine mounted direct drive, digital, closed-loop velocity encoder.

C. Drive sheaves must be free from cracks, sand holes, and other imperfections that would tend to injure the hoist ropes. Sheave must be turned smooth and true with rope grooves of proper design to insure maximum traction and maximum life of the hoist ropes.

D. Hoisting machine brake must be drum or disc type and must stop and hold the elevator with 125 percent of rated load.

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2.16 DEFLECTOR SHEAVES

A. Provide new deflector sheaves with a metal guard mounted below the sheave and a guard to prevent ropes from jumping out of grooves.

Securely fasten guard to sheave support beams.

B. Two-to-one idler sheaves on car and counterweight, if used, must be provided with metal guards that prevent foreign objects from falling between ropes and sheave grooves and to prevent ropes from jumping out of grooves.

SPEC WRITER NOTE: If hoisting machine is located at bottom of hoistway or offset from hoistway, include paragraph C.

C. Securely mount overhead sheaves on overhead beams in proper alignment with basement traction sheave, car and counterweight rope hitches or sheaves. Provide blocking beams where sheaves are installed on two or more levels.

2.17 HOIST ROPES

A. Provide elevator with the required number and size of new ropes to ensure adequate traction and required safety factor. Hoisting ropes must be pre-formed 8x19 or 8x25 traction steel, conforming to Federal

Specification RR-W-410 with minimum nominal diameter of 12.5 mm (.50 in.).

B. Securely attach a corrosion resistant metal data tag to one hoisting rope fastening on top of the elevator.

2.18 HOIST ROPE COMPENSATION

A. Provide hoist rope compensation when required by elevator controller or drive machine manufacturer. Compensation must consist of a necessary number and size of encapsulated chains attached to the underside of car and counterweight frames.

1. Provide guide(s) in pit to minimize chain sway.

2. Provide take-up adjustment to compensate for hoist rope stretch.

3. Pad areas where compensation may strike car or hoistway items.

2.19 GOVERNOR ROPE

A. New Governor Rope must be 6x19 or 8x19 wire rope, preformed traction steel, uncoated, fiber core, conforming to Federal Specification RR-W-

410 with minimum nominal diameter of 9 mm (.375 in.) having a minimum safety factor of 5. Tiller rope construction is not acceptable.

B. Under normal operation rope must run free and clear of governor jaws, rope guards, and other stationary parts.

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C. Securely attach governor rope tag to governor rope releasing carrier.

2.20 SPEED GOVERNOR

A. Provide Centrifugal car driven governor to operate the car safety device // and counterweight governor to operate the counterweight safety device //. Governor must be complete with weighted pit tension sheave, governor release carrier and mounting base with protected cable sleeves.

B. Provide overspeed switch and speed reducing switches when required.

C. The governor rope clamping device must be designed to prevent appreciable damage to or deformation of the governor rope that results from the stopping action of the device operating the safety.

D. Provide metal guard over top of governor rope and sheaves.

E. Where the elevator travel does not exceed 100 feet, the weight tension sheave may be mounted on a pivoted steel arm in lieu of operating in steel guides.

2.21 CAR // AND COUNTERWEIGHT // SAFETY DEVICE

A. Provide new “Type B Safeties” on the elevator // and counterweight //.

2.22 ASCENDING CAR OVERSPEED PROTECTION

A. Provide a device, direct acting on the suspension means, to prevent ascending over speed and unintended motion away from the landing when the doors are not closed and locked.

2.23 CAR AND COUNTERWEIGHT BUFFERS

A. Provide new buffers for each car and each counterweight. Securely fasten buffers and supports to the pit channels and in the alignment with striker plates on car and counterweight. Each installed buffer must have a permanently attached metal plate indicating its stroke and load rating. Buffer anchorage must not puncture pit waterproofing.

2.24 COUNTERWEIGHTS

A. Elevator must be counterweighted with the weight of the car plus 40-50 percent of the rated capacity load as required by the controller manufacturer.

B. Provide two (2) tie rods with cotter pins and double nuts at top and bottom. Install counterweight retainer plates or other approved means on tie rods to prevent counterweight sub-weights from jumping and/or rattling. Both ends of tie-rods must be visible and accessible.

C. Provide new counterweight guard. If compensation chains are required remove counterweight guards.

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2.25 GUIDE RAILS, SUPPORTS, AND FASTENINGS

A. Guide rails for car must be planed steel T-sections and weigh // 27.5 kg/m (18.5 lb/ft) // 22.5 kg/m (15 lb/ft) //. Guide rails for counterweight must be planed steel T-sections and weigh // 12.0 kg/m (8 lb/ft) // 18.0 kg/m (12 lb/ft) // 22.5 kg/m (15 lb/ft) //.

B. Securely fasten guide rails to the brackets or other supports by heavy duty steel rail clips.

C. Provide car and counterweight rail brackets and counterweight spreader brackets of sufficient size and design to secure substantial rigidity to prevent spreading or distortion of rails under any condition.

D. Guide rails must extend from channels on pit floor to within 75 mm (3 in.) of the underside of the concrete slab or grating at top of hoistway with a maximum deviation of 3.2 mm (.125 in.) from plumb in all directions. Provide a minimum of 18.5 mm (.75 in.) clearance between bottom of rails and top of pit channels.

E. Guide rail anchorages in pit must be made in a manner that will not reduce effectiveness of the pit waterproofing.

F. In the event inserts or bond blocks are required for the attachment of guide rails, the Contractor must furnish such inserts or bond blocks and must install them in the forms before the concrete is poured. Use inserts or bond blocks only in concrete or block work where steel framing is not available for support of guide rails. Expansion-type bolting for guide rail brackets will not be permitted.

G. Guide rails must be clean and free of any signs of rust, grease, or abrasion before final inspection. Paint the shank and base of the T-section with one field coat of manufacturer’s standard enamel.

2.26 LOAD WEIGHING

A. Provide means for weighing carload for each elevator. When load in a car reaches an adjustable predetermined level of the rated capacity, that car must bypass registered landing calls until the load in the car drops below the predetermined level. Calls bypassed in this manner must remain registered for the next car. The initial adjustment of the load weighting bypass setting must be 60 to 100 percent.

2.27 ANTI-NUISANCE FEATURE

A. If weight in the car is not commensurate with the number of registered car calls, cancel car calls. Systems that employ either load weighing or door protective device for activation of this feature are acceptable.

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2.28 NORMAL AND FINAL TERMINAL STOPPING DEVICES

A. Mount new terminal slowdown switches and direction limit switches on the elevator or in hoistway to reduce speed and bring car to an automatic stop at the terminal landings.

1. Switches must function with load up to and including 125 percent of rated elevator capacity at contract speed during normal operation.

2. Switches, when opened, must permit operation of elevator in reverse direction of travel.

B. Mount final terminal stopping switches in the hoistway.

1. Switches must be positively opened should the car travel beyond the terminal direction limit switches.

2. Switches must be independent of other stopping devices.

3. Switches, when opened, must remove power from hoist motor, apply hoist machine brake, and prevent operation of car in either direction.

2.29 CROSSHEAD DATA PLATE AND CODE DATA PLATE

A. Permanently attach a non-corrosive metal Data Plate to car crosshead.

B. Permanently attach a non-corrosive Code Data Plate to the controller.

2.30 WORKMAN'S LIGHTS AND OUTLETS

A. Provide new duplex GFCI protected receptacles and lamps with guards on top of each elevator car and beneath the platform. The receptacles must be in accordance with Fed. Spec. W-C-596 for Type D7, 2-pole, 3-wire grounded, rated for 15 amperes and 125 volts.

2.31 CARTOP OPERATING DEVICE

A. Provide a new cartop operating device.

B. The device must be activated by a toggle switch mounted in the device.

The switch must be clearly marked "INSPECTION" and "NORMAL" on the faceplate, with 6 mm (.25 in.) letters.

C. Movement of the elevator must be accomplished by the continuous pressure on a direction button and a safety button.

D. Provide an emergency stop switch, push to stop/pull to run.

E. Provide permanent identification for the operation of all components in the device.

F. The device must be permanently attached to the elevator crosshead on the side of the elevator nearest to the hoistway doors used for accessing the top of the elevator.

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2.32 LEVELING DEVICE

A. Elevator must be equipped with a new two-way leveling device to automatically bring the car to within 3 mm (.125 in.) of exact level with the landing for which a stop is initiated regardless of load in car or direction of travel.

B. If the car stops short or travels beyond the floor, the leveling device, within its zone must automatically correct this condition and maintain the car within 3 mm (.125 in.) of level with the floor landing regardless of the load carried.

2.33 EMERGENCY STOP SWITCHES

A. Provide an emergency stop switch, push to stop/pull to run, for each cartop device, pit, machine spaces, service panel and firefighter’s control panel inside the elevator. Mount stop switches in the pit adjacent to pit access door, at top of the pit ladder 1220 mm (48 in.)

above the bottom landing sill and 1220 mm (48 in.) above the pit floor adjacent to the pit ladder.

B. Each stop switch must be red in color and must have "STOP" and "RUN" positions legibly and indelibly identified.

2.34 MAIN CAR OPERATING PANEL

A. Provide new main car operating panel in the car enclosure on the front return panel for passenger/service elevators. The top floor car call push button must not be more than 1220 mm (48 in.) above the finished floor. “Vandal Resistant” car push buttons and indicator lights must be

LED illuminated, round with a minimum diameter of 25 mm (1 in.). Each button must contain an integral registration LED light which must illuminate upon registration of a call and must extinguish when that call is answered.

B. One-piece hinged front faceplate with edges beveled 15 degrees must have the firefighter’s service panel recessed into the upper section and the service operation panel recessed into the lower section fitted with hinged doors. Doors must have concealed hinges, be in the same front plane as the faceplate and fitted with key operated locks. Secure the faceplate with stainless steel tamperproof screws.

C. All terminology and tactile symbols on the faceplate must be on square or rectangular plates recessed into the faceplate with its surface flush with the surface of the faceplate. Use 6 mm (.25 in.) letters to identify all devices in the faceplate. The tactile symbols with

14 21 00-25 contrasting background must be 12.5 mm (.50 in.) high raised .075 mm

(.030 in.) on the plate.