14 21 23.pdf

RENOVATE T-715 FOR CE CONSOLIDATION

LAJES FIELD, 24 JAN 2020

SECTION 14 21 23 Page 1

SECTION 14 21 23

ELECTRIC TRACTION PASSENGER ELEVATORS

02/09

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN WELDING SOCIETY (AWS)

AWS B2.1/B2.1M (2009) Specification for Welding Procedure and Performance Qualification

AWS D1.1/D1.1M (2010; Errata 2011) Structural Welding

Code - Steel

EUROPEAN STANDARD (EU)

EU 81-1 SAFETY RULES FOR THE CONSTRUCTION &

INSTALLATION OF LIFTS - LATEST VERSION

ASME INTERNATIONAL (ASME)

ASME A17.1/CSA B44 (2010) Safety Code for Elevators and

Escalators

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA MG 1 (2011; Errata 2012) Motors and Generators

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 101 (2012; Amendment 1 2012) Life Safety Code

NFPA 252 (2012) Standard Methods of Fire Tests of

Door Assemblies

NFPA 70 (2014) National Electrical Code

NFPA 72 (2013) National Fire Alarm and Signaling

Code

1.2 SUMMARY

Provide a pre-engineered elevator system, by manufacturer regularly engaged in the manufacture of elevator systems, that complies with ASME EU 87-1 and

EU 81-1 in their entirety, and additional requirements specified herein.

1.2.1 Fire Protection System

Provide a fire protection system complying with the applicable provisions of NFPA 72, NFPA 101, and EU 87-1. Detailed specification information is

SECTION 14 21 23 Page 2 stated in Section 28 31 74.00 20 INTERIOR FIRE DETECTION AND ALARM SYSTEM.

Additional fire protection requirements are found in Section 21 13 13.00 20

WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION.

1.2.2 Miscellaneous Requirements

Submit one set of wiring diagrams, in plastic or glass cover, framed and mounted in elevator machine room for revised building electrical system, if needed, to make supplied elevator system function as specified. Deliver other sets to Contracting Officer. Coded diagrams are not acceptable unless adequately identified. Submit calculations for the Reaction Loads imposed on the building by the elevator system and Heat Loads generated by the elevator system.

1.2.3 Provisions for Earthquake Protection

This facility is located in seismic zone IBC 2012 category 'F', and shall comply with all ASME A17.1/CSA B44, requirements in UFC 200 01, Section 2-30

Part 8, Section 8.4 requirements as applicable by location.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Detail Drawings; G

Passenger Elevators and accessories; G

Supporting systems; G

Machinery and controls, Heat Loads; G

Wiring diagrams; G

Sequence of operations; G

SD-03 Product Data

Passenger Elevators; G

Elevator supporting systems; G

Data sheets; G

Maintenance and diagnostic tools; G

Logic control; G

SD-05 Design Data

Reaction loads; G

SD-10 Operation and Maintenance Data

Passenger Elevators; G

Maintenance and Repair Action Plan; G

1.4 QUALITY ASSURANCE

1.4.1 Elevator Specialist

Work specified in this section shall be performed in compliance with EU 81-1

SECTION 14 21 23 Page 3 under the direct guidance of the Elevator Specialist who is regularly engaged in the installation and maintenance of the type and complexity of elevator system specified in the contract documents, and who served in a similar capacity for at least three systems that have performed in the manner intended for a period of not less than 24 months. Elevator system manufacturer shall provide a letter of endorsement certifying that the

Elevator Specialist is acceptable to manufacturer. The Elevator Specialist shall oversee the acceptance inspections and tests, and sign and certify the successful results, and after completion of the acceptance inspections and tests, certify in writing that the installation is accordance with the contract requirements. Bring any discrepancies to the attention of the

Contracting Officer in writing, no later than three working days after the discrepancy is discovered.

1.4.2 Elevator Inspector

The Elevator Inspector will be provided by the Government to inspect the installation of the elevator(s) and to ensure that the installation conforms with all contract requirements. A NAVFAC Certified Elevator

Inspector will be utilized as required on NAVFAC projects. The Elevator

Inspector will witness the acceptance inspections and tests, approve all results, and sign and certify the successful results. The Elevator

Inspector, after completion of the acceptance inspections and tests, will certify in writing that the installation is in accordance with the contract requirements. Bring any discrepancy, including any safety related deficiencies, to the attention of the Contracting Officer in writing, no later than three working days after the discrepancy is discovered.

1.4.3 Welders' Qualifications

Comply with AWS D1.1/D1.1M, Section 4, and AWS B2.1/B2.1M. Provide certified copies of welders' qualifications and a list of welders'names with corresponding code marks to identify each welder's work.

1.4.4 Detail Drawings

a. Submit Detail Drawings, including dimensioned layouts in plan and elevation, showing the arrangement of elevator equipment, accessories, and data sheets showing all:

(1) supporting systems,

(2) Anchorage of equipment,

(3) Clearances for maintenance and operation;

(4) Details on hoistway,

(5) Doors and frames,

(6) Operation and signal stations,

(7) Machinery and Controls,

(8) Motors,

(9) Guide rails and brackets,

(10) Points of interface with normal power.

(11) Fire alarm system

(l2) HVAC or exhaust systems

(13) Interface with emergency power systems.

b. Include in the Drawings complete wiring diagrams showing electrical connections and other details required to demonstrate sequence of operations and functions of system devices, and the appropriate sizing of electrical protective devices which are frequently different from

SECTION 14 21 23 Page 4

National Electrical Code standard sizes. Drawings shall show any revised building electrical system required to make supplied elevator system function as specified.

1.5 SCHEDULING

Every six months, test systems for Emergency Power Operation, Earthquake

Emergency Operations, and Firefighters' Service. Schedule to not interfere with building operations. For Firefighters's Service, test monthly in accordance with eu 81-1. Provide written results of each test operation to the Contracting Officer.

1.6 WARRANTY

Provide routine warranty service in accord with the manufacturer's warranty requirements, for a period of 12 months after the date of acceptance by

Contracting Officer. Perform work during regular working hours. During the warranty service period, include 24-hour emergency service, without additional cost to the Government. Include adjustments, greasing, oiling, and cleaning. Provide routine inspection and tests of elevators in accordance with EU 87-1. Provide supplies and parts to keep elevator system in operation. Perform service only by factory trained personnel.

Maintain a maintenance log of all service orders performed during the warranty period and submit it to the Contracting Officer 21 days prior to the end of the warranty period.

1.7 MAINTENANCE AND REPAIR ACTION PLAN

Provide plan of action by the Elevator Installation Contractor to provide emergency and routine maintenance in accordance with paragraph titled

WARRANTY. In addition to Data Package SD-19 "Operation and Maintenance

Manuals", provide a list of phone numbers, personnel contacts, and all tools to be provided to the Contracting Officer. Submit elevator manuals in accordance with Section 01 78 23 OPERATION AND MAINTENANCE DATA.

1.7.1 Maintenance and Diagnostic Tools

Provide all special tools and software necessary to service and maintain each elevator delivered at time of final acceptance. Provide one of each tool per group of elevators. Include solid state or microprocessor diagnostic tools unavailable on the open market. Include necessary diagnostic software in cases where the solid state or microprocessor diagnostic tools are available on the open market.

1.7.2 Keys for Elevator Key Switches

Provide a minimum of twelve keys per unique cylinder used on all key switches for single elevator. If there is more than one elevator, additional keys are not required unless there are additional unique lock cylinders. Provide keys with brass or fiberglass tags marked "PROPERTY OF

THE U.S. GOVERNMENT" on one side with function of key or approved code number on the other side.

PART 2 PRODUCTS

2.1 PASSENGER ELEVATORS

Provide elevator system that complies with , EU 87-1 in their entirety, and additional requirements specified herein. Submit Data Package 4 in

SECTION 14 21 23 Page 5 accordance with Section 01 78 23 OPERATION AND MAINTENANCE DATA.

2.1.1 BASIS OF DESIGN

Thyssen Krupp Elevator "Synergy - HELIOS," or approved equal.

2.1.2 Basic Requirements

a. Type: Gearless

b. Rated load: 630 kg

c. Rated Speed: 1.0 m/s

d. Travel Length: 3.05 m

e. Number of Stops: 2

f. Number of Hoistway Openings: 1 Front; 0 Rear

g. Car Inside Dimensions: 1100 mm wide, 1400 mm deep and 2100 mm high.

h. Car Door Opening: 900 mm wide and 2100 mm high.

i. Car Door Types: Single-speed side slide Horizontal sliding.

2.1.3 Cab Enclosures and Door Finishes

Provide finishes as listed below:

Provide

a. Floor; vinyl.

b. Walls; prefinished steel on particleboard stainless steel .

each cab wall with equally spaced and equally sized wall panels.

Conceal all wall panel fasteners.

(1) Wall trim; stainless steel .

(2) Accessories; hand rails .

c. Interior face of door(s); stainless steel .

d. Ceilings; eggcrate .

Ceiling frame; stainless steel .

e. Hoistway Doors and Frame Finishes. Provide finishes on exterior of hoistway as follows:

(1) Frame; stainless steel .

(2) Exterior face of door; stainless steel .

2.2 SPECIAL OPERATION AND CONTROL

Provide all special operations and control systems in accordance with

EU 87-1. Provide special operation key switches with 5 pin cylinder locks with removable cores and a key control lock for each operation system.

SECTION 14 21 23 Page 6

2.2.1 Firefighters' Service

Provide equipment and signaling devices in accordance with EU 87-1. The designated level for firefighters' key operated switch is the ground floor.

2.2.2 Smoke Detectors

Smoke detectors are specified in Section 28 31 74.00 20 INTERIOR FIRE

DETECTION AND ALARM SYSTEM , including conduit and wiring from each detector to elevator machinery space control panel. Provide connections directly to elevator controls which will, when smoke is detected by any smoke detector, actuate Firefighters' Service and send each elevator to the correct floor as required by EU 87-1. Provide dual-contact smoke detectors located in the elevator lobbies and the elevator machine room. If sprinkler is provided in the hoistway, provide dual-contact smoke detector at top of hoistway. Include only these smoke detectors in the circuit for elevator controller actuation of Firefighters' Service. In lieu of dual-contact smoke detectors, an addressable fire alarm system with listed smoke detectors can be used in the above stated locations. Ensure that all smoke detectors are mounted on finished ceiling. Smoke detector system shall comply with EU 87-1.

2.2.3 Top-of-Car Operating Device

Provide, in accordance with EU 87-1, an operating device, mounted on or from the car crosshead, to permit car operation at a speed not exceeding

150 fpm for purposes of adjustment, maintenance, testing, and repair.

Include an integral or remote safety device, "UP" and "DOWN" switches or buttons, an emergency stop switch, and inspection switch.

2.2.4 Hoistway Access Switches

Provide key-operated hoistway according to EU 87-1, . access switches that permit limited movement of the car at terminal floors for car door opening and car positioning, operative only when the "INSPECTION" switch in car operating panel is in inspection position. Locate switch 6 feet above floor level, within 12 inches of hoistway entrance frame of an elevator or with the ferrule exposed when located in entrance frame.

2.2.5 Independent Service

Provide exposed key-operated switch in car operating panel to enable independent service and simultaneously disable in-car signals and landing-call responses. Provide indicator lights that automatically illuminate during independent service.

2.2.6 Elevator Operation

Refer to EU 87-1.

2.2.6.1 Single, Two-Stop, Automatic Operation

Provide Single Two-Stop Automatic Operation. Provide illuminating push buttons.

2.2.7 Parking Switch

Refer to EU 87-1. Provide a two-position parking switch in the car station service cabinet. One position causes car to remain parked at the floor

SECTION 14 21 23 Page 7 landing where last used; the other position causes car to park at main floor.

2.3 ELEVATOR MACHINE

Provide elevator machines which are gearless traction, direct-drive machines according to EU 87-1. Paint or finish ferrous surfaces with minimum one coat of rust-inhibiting paint conforming to manufacturer's standard practice. Provide hoisting motor with separately excited direct current (dc) generator conforming to NEMA MG 1, Part 18. Provide drive motor with Class F insulation, and rated for continuous duty.

2.4 CONTROL EQUIPMENT

2.4.1 Motor Control Equipment

EU 87-1. Provide variable-voltage with motor-generator set, variable voltage with silicon controlled rectifier (SCR), or variable-frequency alternating current (ac) drive control. Enclose control equipment in factory-primed and baked-enamel coated sheet-metal cabinets with removable or hinged doors with ventilation louvers.

2.4.1.1 Motor Generator Set

NEMA MG 1, Part 18. Provide motor-generator set with Class F insulation, and rated at 120 starts per hour for elevator service. Maximum acceptable generator voltage is 600 volts. Indicate direction of rotation by an arrow painted on the frame. Enclose electric connections at motor generator set in conduit boxes. Provide adjustable timing device which will automatically shut the set off at 20 to 30 seconds predetermined time after the elevator has answered the last registered call.

2.4.1.2 SCR Control or VVVF AC Control

Provide individual isolation transformers and individual choke reactors for each individual hoist motor. Provide filtering to maintain harmonic distortion below IEEE standards as measured at the elevator machine room disconnect.

2.4.2 Logic Control

Provide solid-state microprocessor controller to enable programmable control of call allocation, logic functions, door control, speed sensing and car position. Provide a method of reprogramming adjustable parameters of computerized controls. Store all programming in non-volatile memory.

The microprocessor control system is acceptable only if hardware and software, and software documentation required to maintain and utilize microprocessor is provided and training is provided to Government Personnel by the equipment manufacturer and supplier.

2.4.2.1 On-Board Diagnostic Panel

Provide, for each individual elevator microprocessor controller, an on-board diagnostic control and LCD display panel that allows unrestricted access to the comprehensive range of adjustable parameters necessary to perform installation, adjusting, maintenance, and testing of the elevator.

For each elevator group control, provide a separate on-board diagnostic control and LCD display panel that allows unrestricted access to the comprehensive range of options and adjustments necessary to perform

SECTION 14 21 23 Page 8 installation, adjusting, maintenance, and testing of the elevator group.

Provide LCD displays which also provide the capability to display, monitor, and diagnose any and all fault logs, fault history, trouble calls, and diagnostics. Provide three (3) copies of the complete manufacturer's software program, with complete software documentation, that enables the same level of unrestricted access to all controllers of the same make and model, regardless of the installation date or location. Provide signed certification, from the manufacturer's corporate headquarters, that guarantees the microprocessor software and access system will not terminate the unlimited and unrestricted access at any future date.

2.4.2.2 External Port

For each individual elevator microprocessor controller, and elevator group microprocessor controller, provide a USB port or an RS 232 port that allows connection to an on-site or a remote portable laptop computer. Provide the same level of unrestricted access as the on-board diagnostic panel.

Provide three (3) copies of the complete manufacturer's software program, with complete software documentation, that enables the same level of unrestricted access to all controllers of the same make and model, regardless of the installation date or location. Provide signed certification, from the manufacturer's corporate headquarters, that guarantees the microprocessor software and access system will not terminate the unlimited and unrestricted access at any future date.

2.4.2.3 Repair Requirements

For the repair of microprocessor control system, provide maintenance tools, supporting computer software, and software documentation required for complete maintenance of elevator system including diagnostics and adjustments. Tools may be hand-held or built into control system. Provide tools which do not require recharging to maintain their memory or authorization for use. Do not use software which requires periodic reprogramming, or reauthorization. Store programs in non-volatile memory.

Tools and software may be factory programmed to operate only with this project's identification serial number.

2.5 OPERATING PANELS, SIGNAL FIXTURES, AND COMMUNICATIONS CABINETS

2.5.1 Capacity and Data Plates

Refer to EU 87-1. Attach faceplates with spanner security screws. On car panel, provide stainless steel capacity and data plates, with name of elevator manufacturer.

2.5.2 Car and Hall Buttons

Provide recessed tamper-proof push buttons of minimum 3/4 inch size satin-finish stainless steel with illuminated jewel center.

2.5.3 Passenger Car-Operating Panel

Refer to EU 87-1. Provide each car with one car operating panel that contains operation controls and communication devices. Provide exposed, flush mounted buttons for the controls that shall be passenger accessible.

Provide service cabinet or keyed switches for those controls that should not be passenger accessible. Allow maximum 48 inches between car floor and center line of bottom button. Use engraving and backfilling or photo etching for button and switch designators. Do not use attached signs.

SECTION 14 21 23 Page 9

2.5.3.1 Passenger Controls

a. Illuminated operating call buttons identified to correspond to landings served by elevator car. For two openings at a floor, provide two buttons marked "FRONT" and "REAR" above button location.

b. "DOOR OPEN" and "DOOR CLOSE" buttons.

c. Keyed "STOP" switch in accordance with EU 87-1.

d. "ALARM" button in compliance with UFAS, ADA, and EU 87-1. Alarm button shall be red with engraved legend "ALARM." Alarm button shall illuminate when pushed. Locate "ALARM" button at panel bottom.

e. "FIRE DEPARTMENT" key switch, with "OFF-HOLD-ON" positions, in that order with key to be removable in all positions. Provide fire sign or jewel and audible signal device, in accordance with EU 87-1. Both visual and audible signals are activated when Phase I key switch in hall is activated or when smoke detector activates return of elevator(s) to main fire response floor. Visual and audible signal shall remain activated until car has reached designated or alternate fire response floor. Upon arrival at fire response floor visual signal remains illuminated and audible signal becomes silent.

f. Emergency two-way communication. Provide momentary pressure, single illuminating pushbutton operated communication device that complies with EU 87-1, UFAS, and the Americans with Disabilities Act.

2.5.3.2 Service Controls

a. Inspection switch that transfers car control to top-of-car inspection operating controls and prevents car operation from in-car control panel.

b. Independent service switch.

c. Two car light switches, one for light in car and one for lights on top and bottom of car frame.

d. Fan switch, two-speed.

e. Infra-red curtain unit cutout switch.

f. 120-volt ac 60 Hz single-phase duplex electrical outlet of ground-fault-circuit-interrupt (GFCI) design.

g. Device for communication between car and elevator machine room.

h. Parking switch.

2.5.3.3 Certificate Window

Provide a minimum 4 inch high by 6 inch wide certificate window in car operating panel for elevator inspection certificate.

SECTION 14 21 23 Page 10

2.5.4 Switches and Devices

Provide elevator manufacturer's standard grade for switches and devices on car operating panel. Legibly and indelibly identify each device and its operating positions. Locate car dispatching buttons in identical positions in car operating panels for corresponding floors.

2.5.5 In-Car Position and Direction Indicator and Signal

Include in-car direction indicator in the in-car position indicator fixture.

2.6 HOISTWAY AND CAR EQUIPMENT

2.6.1 Car and Counterweight Guide Rails and Fastenings

Refer to EU 87-1. Paint rail shanks with one coat of black enamel.

Provide pit channel for anchoring main guide-rail brackets and mounting buffers. Only T-section type guide rail is acceptable.

2.6.2 Car and Counterweight Buffers

Refer to EU 87-1. Provide data plate on each buffer.

2.6.3 Pit Equipment

Refer to EU 87-1. Provide pit channel for anchorage of main guide rail brackets and also for anchorage of counterweight guide rail brackets. Each channel shall span distance between guides. In addition, pit channel for main guide rails shall serve as mounting surface for car buffer(s). Pit channel for counterweight guide rails shall serve as mounting surface for counterweight buffer(s). Method of installation of channels, brackets and buffer mounts shall be such that pit waterproofing is not punctured. On completion of guide rail and buffer installation, fully grout both pit channels .

2.6.3.1 Pit "STOP" Switch

Provide push/pull type pit "STOP" switch for stopping elevator motor, independent of regular operating device. Locate switch on same side of hoistway as ladder.

2.6.3.2 Lighting of Pits

Refer to EU 87-1. Locate light not less than 6 feet above pit floor.

Locate switch on same side of hoistway as ladder. Provide GFCI duplex receptacle in each pit.

2.6.4 Terminal Stopping Devices

Refer to EU 87-1 B44.

2.6.5 Wiring and Traveling Cables

Refer to NFPA 70, Article 620 and Section 26 20 00 INTERIOR DISTRIBUTION

SYSTEM. Suspend traveling cables by means of self-tightening webbed devices.

SECTION 14 21 23 Page 11

2.6.6 Emergency Signaling Devices

Provide an audible signaling device, operable from the Car Operating Panel button marked "ALARM". Mount the audible signaling device in the hoistway conforming to the requirements of EU 87-1.

2.7 PASSENGER CAR AND HOISTWAY DOOR ACCESSORIES

Refer to EU 87-1. Provide infra-red curtain unit. Provide high-speed electric operator, safety interlocks for car and hoistway doors, and electric safety contact to prevent car operation unless doors are closed.

Provide Infra-red Curtain Unit (ICU) with multiple infra-red beams that protect to the full height of the door opening. Minimum coverage shall extend from 2 inches off the floor to 70 inches above floor level. Door operation shall meet the requirements of EU 87-1.

2.8 PASSENGER ELEVATOR GUIDES, PLATFORM, AND ENCLOSURE

2.8.1 Roller Guides

Refer to EU 87-1. Provide roller guide assemblies in adjustable mountings on each side of car and counterweight frames in accurate alignment at top and bottom of frames.

2.8.2 Car Frame and Platform

2.8.3 Car Enclosure, Car Door, and Car Illumination

Refer to EU 87-1. Provide natural and forced ventilation, emergency exit, and stainless-steel hooks with fire retardant protective pads. Carpeting shall comply with EU 87-1.

2.8.3.1 Return Panels, Entrance Columns, Cove Base, and Transom

Provide 14 Gauge minimum nonperforated steel. Apply sound-deadening mastic on car shell and all exterior components.

2.8.3.2 Car Top

Provide reinforced 12 gauge minimum steel with hinged exit, openable by hand from car top only. Provide electrical contact which prevents operation of elevator when emergency exit is open. Provide sound-deadening mastic on all exterior components.

2.8.3.3 Car Door

Provide 16 gauge minimum stainless steel, sandwich construction without binder angles. Provide a minimum of 2 door guide assemblies per door panel, one guide at leading and one at trailing door edge with guides in the sill groove their entire length of travel.

2.8.3.4 Car Entrance Sill

Provide one piece cast white bronze or nickel silver entrance sill. Set sills level and flush with floor finish. Use same material for hoistway and car entrance sills.

SECTION 14 21 23 Page 12

2.8.3.5 Carpet

Provide carpet that complies with EU 87-1.

2.9 PASSENGER ELEVATOR HOISTWAY DOORS AND ENTRANCES

Refer to EU 87-1. Provide hoistway entrance assemblies with a minimum

1-1/2 hour fire rating in accordance with NFPA 252.

2.9.1 Hoistway Entrance Frames

Provide 14 gage thick stainless steel . Solidly grout uprights of entrance ways to height of 5 feet.

2.9.2 Hoistway Entrance Sills

Provide one-piece cast solid white bronze or nickel silver entrance sills.

After sill is set level and flush with finished floor height, solidly grout under full length of sill. Use same materials for hoistway and car entrance sills.

2.9.3 Hoistway Entrance Doors

Refer to EU 87-1, hollow metal non-vision construction with flush surfaces on car and landing sides. Provide a minimum of 2 door guide assemblies per door panel, one guide at leading edge and one at trailing edge with guides in the sill groove the entire length of travel. Provide sheet metal hoistway door track dust covers at each landing. Dust covers shall protect door locks and door roller tracks and extend the full width of the door track and associated hardware.

2.9.4 Entrance Fascias and Dust Covers

2.9.5 Hoistway Ventilation

Provide hoistway ventilation directly to outside air by fixed louver through side wall of hoistway at highest possible point in hoistway. Net size of louver to be at least 3.5 percent of hoistway cross section.

2.10 HANDICAPPED AND MEDICAL SERVICES ACCESS

Refer to 36 CFR 1191, Sections 4.10 for Elevator, 4.30 for Signage, and

4.31 for Telephones.

2.10.1 Provision for Handicapped

PART 3 EXECUTION

3.1 INSTALLATION

Install in accordance with manufacturer's instructions, EU 87-1, 36 CFR 1191, and NFPA 70.

3.1.1 Traveling Cables

Do not allow abrupt bending of traveling cables.

SECTION 14 21 23 Page 13

3.1.2 Structural Members

Do not cut or alter. Restore any damaged or defaced work to original condition.

3.1.3 Safety Guards

Selector cables or tapes exposed to possibility of accidental contact in machine room shall be completely enclosed with 16 gage thick sheet metal or expanded metal guards, both horizontally and vertically. Guard exposed gears, sprockets, tape or rope sheaves, floor controllers, or signal machines, and their driving ropes, chains or tapes, and selector drums from accidental contact in accordance with EU 87-1.

3.1.4 Miscellaneous Requirements

Include recesses, cutouts, slots, holes, patching, grouting, and refinishing to accommodate elevator installation. Use core drilling to drill all new holes in concrete. Finish work to be straight, level, and plumb. During installation, protect machinery and equipment from dirt, water, or mechanical damage. At completion, clean all work, and spot paint.

3.1.5 Firefighters' Service

Firefighters' service shall be complete including installation and wiring of all smoke detectors in accordance with EU 87-1. Coordinate smoke detector installation for Firefighters' Service.

3.2 FIELD QUALITY CONTROL

a. After completing elevators system installation, notify Contracting

Officer that elevator system is ready for final inspection and acceptance test. Contracting Officer will obtain services of Naval

Facilities Engineering Command certified elevator inspector.

b. Perform all required tests and demonstrate proper operation of each elevator system and prove that each system complies with contract requirements and EU 87-1, and the applicable requirements of Part XI, "Engineering and Type Tests". Conduct all testing and inspections in the presence of the Elevator Inspector. Demonstrate the proper operation of all equipment at various date settings, selected by the elevator inspector, ranging from the date of contract award through 1

January 2099.

c. Inspector shall complete, sign and post form NAVFACENGCOM 9-11014/23

(Rev. 7-88), Elevator Inspection Certificate, after successful completion of inspection and testing.

3.2.1 Testing Materials and Instruments

Furnish testing materials and instruments required for final inspection.

Include calibrated test weights, tachometer, 600-volt megohm meter, volt meter and ammeter, three Celsius calibrated thermometers, door pressure gage, spirit level, stop watch, dynamometer, and 100 foot tape measure.

SECTION 14 21 23 Page 14

3.2.2 Field Tests

3.2.2.1 Endurance Tests

Test each elevator for a period of one hour continuous run, with specified rated load in car. Restart the one hour test period from beginning, following any shutdown or failure. During test run, stop car at each floor in both directions of travel for standing period of 10 seconds per floor.

The requirements for Rated Speed, Leveling, Temperature Rise and Motor

Amperes Test specified herein are to be met throughout the duration of the

Endurance Test.

3.2.2.2 Speed Tests

Determine actual speed of each elevator in both directions of travel with rated load and with no load in elevator car. Make Speed tests before and immediately after Endurance test. Determine speed by tachometer reading, excluding accelerating and slow-down zones in accordance with EU 81-1.

Minimum acceptable elevator speed is the Rated speed specified. Maximum acceptable elevator speed is 110 percent of Rated speed.

3.2.2.3 Leveling Tests

Test elevator car leveling devices for landing accuracy of plus or minus

1/4 inch at each floor with no load in car, symmetrical load in car, and with rated load in car in both directions of travel. Determine accuracy of floor landing both before and immediately after endurance tests.

3.2.2.4 Insulation Resistance Tests

Perform tests to ensure elevator wiring systems are free from short circuits and grounds. Minimum acceptable insulation resistance for electrical conductors is one megohm between each conductor and ground and between each conductor and other conductors. Prior to megohm meter test, make provisions to prevent damage to electronic devices.

3.2.2.5 Brake Test

Conduct brake test with 125 percent of rated load in elevator. Verify that brakes stop and hold elevator with 125 percent of rated load.

3.2.2.6 Buffer Tests

Test buffers for car and counterweight as outlined in EU 87-1.

3.2.2.7 Temperature Rise Tests

Determine temperature rise of elevator hoisting motor, motor-generator, exciter, and booster during full-load test run for one hour minimum. Under these conditions, maximum acceptable temperature rise shall not exceed acceptable temperature rise indicated on manufacturer's data plate. Start test only when equipment is within 9 degrees F of ambient temperature.

3.2.2.8 Balance Tests

Perform electrical and mechanical balance tests of car and counterweight.

SECTION 14 21 23 Page 15

3.2.2.9 Motor Ampere Tests

Measure and record motor amperage when motor is running and elevator is lifting at rated load and speed. Measure and record motor amperage at beginning and end of Endurance test.

3.3 MAINTENANCE SERVICE TRAINING

Provide qualified representative of elevator manufacturer to instruct

Government personnel in care, adjustment, and maintenance of elevator equipment for a period of not less than 5 working days immediately following acceptance of elevator system.

-- End of Section --