14240_Baton_Rouge_CH.doc

US COURTHOUSE

FREIGHT ELEVATOR MODERNIZATION

RLA00197

Baton Rouge, LA

LA0006BT

Section 14240 - HYDRAULIC ELEVATORS

1.

GENERAL:

1.1 This section of the specification includes the furnishing and installation of one (1) new cantilevered holeless hydraulic freight hydraulic Elevator No. 2 as described herein.

1.2 ANY disruptive work, (i.e. noise, demolition of existing equipment, etc.) performed after the buildings normal working hours.

1.3 Reference to a single component, such as "the motor" shall apply to as many such components as are required to complete the installation.

1.4 The mechanical fastenings used throughout the equipment on parts subject to wear and requiring replacement shall be key and seat, nut, screw, or other removable and replaceable type not requiring physical deformation or field positioning. The use of rivets or similar devices will not be acceptable as mechanical fastenings for such parts.

1.5 The major elevator components shall be the products of one manufacturer of established reputation, except they may be the products, either wholly or in part, of another manufacturer of established reputation provided such items are engineered and produced under coordinated specifications. Also, the major components to be furnished shall be of a make or makes that have satisfactorily together under conditions of normal use in not less than two other elevator installations of equal or greater capacity and speed for at least one year. Upon request, the names and addresses of the buildings and the names of the owners or managers thereof, in which the proposed combination of major components has so performed, shall be furnished.

A.

The term "major elevator components" as mentioned above shall mean such items as a hydraulic cylinder and plunger unit, power unit and motor, controller, selector, and control equipment.

1.6 The power unit, tank, and associated control equipment shall be mounted in the elevator machine room. Equipment shall be so arranged that parts can be removed for repairs or replacement by conventional means, without dismantling or removing other equipment components in the machine room. Adequate work space for maintenance and repair operations shall be provided around the elevator equipment in machine room with clear passage to any access or trap doors.

1.7 The elevator system shall consist of:

One (1) Freight Elevator No.2 with front opening at floors Basement, and first floor.

2.

RELATED WORK IN OTHER SECTIONS:

2.1 The following related work is included in this section and other sections of the specification and shall be the responsibility of the Elevator Contractor:

A.

Provide proper beveled angle for all projections, recesses, and set backs on sides of the hoistway not used for loading and unloading in accordance with the A17.1 Code.

B.

Provide all material for cutting, patching and finishing of corridor walls around elevator signal fixtures. Finishes shall match existing adjacent material.

C.

Temporary guards at all hoistway opening as required under “Accident Prevention” clause of the General Conditions.

D.

Electric feeders, breakers, and other related electrical work indicated or specified.

E.

Field painting as specified under the Painting and Finishing paragraph.

F.

Smoke detectors and heat detectors for lobbies and machine rooms, wiring to elevator controls, and annunciator panel in accordance with ANSI A17.1. Remove sprinklers from machine rooms.

G.

Provide fire rated, automatic closing and automatic locking machine room door. Seal off door into hoistway with fire rated material on the hoistway side.

I.

Provide new pit ladder, lighting, GFI outlets, etc., to meet all code requirements in the hoistway, pit and machine room.

J. Provide code compliant enclosed machine room and hoistway. Provide false ceiling to wall off all non-elevator piping and wiring. Remove all existing elevator components.

3.

STANDARD REFERENCES:

3.1 Unless as modified herein or otherwise distinctly specified, all elevator material, design, clearances, definitions, construction, workmanship and tests shall conform to the requirements of the Safety Code for Elevators and Escalators, (ANSI A17.1‑2013) or latest edition including errata, interpretations and revisions and herein referred to as the A17.1 Code.

3.2 References to Handicap Provisions are to "Uniform Federal Accessibility Standard" (UFAS) and the "Americans with Disabilities Act Accessibility Guidelines" (ADAAG). In case of conflicts in the requirements, the most stringent requirements shall be required.

A.

Wherever Federal Specifications, Codes, Standard Details and other standards are referenced, latest editions and amendments shall apply in accordance with the clause entitled "Standard References: in the General Conditions.

3.3 References to the NEC are to the 2014 National Electrical Code (ANSI C1). All electrical work specified in the Al7.l Code shall be done in accordance with the 2014 NEC.

3.4 References to UL standards are to standards of Underwriters Laboratories Inc.

3.5 References to NEMA are to Standards of the National Electrical Manufacturers Association.

3.6 Referring to the requirements of clause entitled "Building Codes, Fees and Charges" in the General Conditions the work shall also comply with the applicable State and local Code requirements or regulations except the requirements of the A17.1 Code shall govern in the event of a conflict.

4.

Not Used 4.1

5.

SHOP DRAWINGS:

5.1 Shop drawings shall be submitted in accordance with the "General Conditions' and "Special Conditions" sections

5.2 Shop drawings and/or catalog cuts shall include the following details as applicable to the systems specified:

A.

Fully dimension layout in plan and elevation showing the arrangement of equipment and all pertinent details of each elevator unit specified including:

1.

Power unit, motor, controller, and other components located in machine room.

2.

Car, guide rails, buffers, outer casing, cylinder and plunger unit, pipe connections, cylinder supports, buffer supports, and other components located in hoistway.

3.

Rail bracket spacing and maximum vertical forces on guide rails in accordance with the Al7.l Code.

4.

Reactions at points of support.

5.

Weights of principal parts.

6.

Top and bottom clearance and overtravel of car.

7.

Location of circuit breaker, switchboard panel or disconnect switch, light switch and feeder termination at controller.

8.

Location of outlets for connection of traveling cables for car light and telephone.

9.

Location of hoistway access switches.

B.

Hoistway entrances and doors showing their method of operation, details of construction; and method of fastening to the structural members of the building.

C.

Car designs specified, showing details of construction, fastenings to platform, car lighting, ventilation, location of all car equipment, handrails, and emergency exits including electric contacts and method of hinging and locking.

D.

Details of all signal and operating fixtures including hoistway access switches.

E.

Details of sound and vibration isolation units for power units.

F.

Details of roller guides.

G.

Details of sill sections and supports.

H.

Details of selection, recall, and emergency operation switches including wiring diagrams.

I.

Other drawings required or hereinafter specified.

J.

All motor overcurrent protective devices and their ratings.

5.3 The name of manufacturer, type or style designation, and the additional information called for below shall be listed on the shop drawings for each of the following:

A.

Hydraulic power unit.

B.

Power unit motor including hp and rpm.

C.

Controller.

D.

Power door operator.

E.

Door interlocks and electrical contacts.

F.

Buffers including stroke, certified maximum and minimum loads and maximum striking speed.

G.

Car ventilation blower including c.f.m. and hp ratings.

H.

Car emergency lighting.

6.

SAMPLES:

6.1 Referring to the "Sample" requirements of the General Conditions, submit for approval, four samples of all finishes, car floor materials operating and signal system fixtures, hoistway entrance and door materials, sills, protection pads, and light fixture lenses.

7.

MANUALS:

7.1 Three sets of operating and maintenance manuals shall be furnished in bound form. Manuals shall include:

A.

Description of the elevator system's method of operation and control including the functions of signals, door devices and other specified features.

B.

Written instructions for the adjustment and care of the equipment.

C.

Replacement parts lists with part numbers.

D.

Type of lubricant required for each lubricated part.

7.2 The identification label for each manual shall include the subject, building name and location, government contract number and the specific elevator numbers to which the manual applies.

7.3 One set of manuals shall be provided in tool cabinet in elevator machine room unless otherwise directed. The two additional sets shall be delivered to the Project Manager.

8.

GUARANTEE:

8.1 All work under this section shall be subject to the terms specified under "Guarantees" in the General Conditions and the guarantee period for an elevator unit shall be one year after the date the respective elevator is placed in normal use by the Government.

9.

WARRANTY PERIOD AND MAINTENANCE:

9.1 Provide full maintenance which shall apply to the elevator starting upon final acceptance by the Government of the last elevator in the project for a period of 12 months. The adjustment period shall consist of regular bi-monthly examinations of the installation and shall include the necessary adjustments, repairs, cleaning, lubricating, and supply and replacement of all parts to keep the equipment in good operating condition.

9.2 Qualifications of Maintenance Personnel: The maintenance work shall be performed by skilled elevator personnel directly employed and supervised by the same firm engaged to furnish and install the elevator system specified under this section.

9.3 All adjustments and service shall be performed by trained employees of the elevator contractor and may be made during the regular working hours of the trade. All services required to ensure safe and reliable performance of the elevators shall be provided by regularly assigned maintenance personnel of the elevator contractor.

9.4 The date and hours of work shall be scheduled and submitted for approval and acceptance by the Building Manager, and all personnel shall register with the proper Government authority upon entering and leaving the building.

9.5 Provide 24‑hour emergency call‑back service for the maintenance period, by promptly responding to requests from the Building Manager or his authorized representative by telephone or otherwise, to restore elevator services where a shutdown or trouble should develop. The emergency call‑back service response time shall be one hour or less.

A.

The Contractor shall provide and keep current a suitable check chart for each elevator posted in the machine rooms of the building, on which entries shall be made to indicate the status of scheduled items of maintenance work performed, and the time in man‑hours. The Contractor must properly initial the chart to indicate that the work has been accomplished.

B.

The Contractor shall immediately notify the Contracting Officer (in writing) of the existence or the development of any defects in, or repairs required to the elevators which the Contractor considers he is not responsible for under the terms of the contract, and shall furnish him a written estimate of the cost to make necessary repairs. The Contracting Officer reserves the right to make final determination as to responsibility.

10.

INSTRUCTIONS:

10.1 Instruction shall be given for not less than four (4) hours for the work under this section. Manual and wiring diagram instructions given at the project site will be considered the equivalent to classroom instructions.

10.2 Submit outline of instruction to be given, two (2) month prior to the Instruction Period, for approval.

10.3 Instruction shall be completed before the adjustment period expires.

A.

If the instructions have not been completed prior to the termination of the adjustment period, that period shall be extended as a part of the contractual requirements until the instruction requirements have been satisfied.

10.4 Provide, without additional expense to the Government, competent instructor to train employees of the Government, in the care, adjustment and operation and sequence functioning of the operation and the control system. Instruction shall be given during regular working hours and take place at the job site. The instruction shall be by qualified, factory trained engineering representatives possessing complete knowledge of the elevator system, installed.

A.

Approximately half of the time shall be used for classroom instructions. All other time shall be used for instruction at the equipment. Where significant changes or modifications in equipment are made under the terms of the guarantee, additional instruction shall be provided as may be necessary to acquaint the operating personnel of the changes or modifications.

B.

Three copies of an operating and maintenance manual, prepared by the contractor, shall be utilized by the contractor for instruction purposes. After completion of all instructions, the three copies of the manual shall be turned over to the Building Manager.

C.

Three (3)sets of as-built wiring diagrams with a complete description sequences shall be furnished and delivered to the Construction engineer fifteen(15) days prior to the start of the instructions, for use of the instructors.

D.

The time and place of the instructions shall be coordinated the Building Manager.

11.

POWER SUPPLY:

11.1 The drawings indicate the power available is 3 -phase, 60 hertz, 220 volts alternating current for elevator power and single-phase, 60 hertz 120 volts alternating current for elevator car lighting.

11.2 Before any electrical equipment is manufactured or purchased, the characteristics available for elevator power and lighting shall be verified. Where characteristics are different from those specified above, the equipment shall be furnished for the power as verified.

11.3 Failure to verify the power supply shall not relieve responsibility for the satisfactory operation of the equipment.

12.

CAPACITY, SPEED, TRAVEL, PLATFORM SIZE:

12.1 The elevator shall have a capacity to lift the rated load at the rated speed in feet per minute, specified in the following schedule. The rated load shall be exclusive of the weight of the complete car and plunger. The travel, terminal floors, number of stops and openings and the over-all car platform size given in the schedule shall be verified with requirements indicated on the drawings.

ELEVATOR SCHEDULE

RATED RATED OVERALL

ELEVATOR

LOAD SPEED

TERMINAL NO. OF NO. OF PLATFORM SIZE

NUMBER

LBS. FPM TRAVEL FLOORS STOPS OPENINGS WIDTH X DEPTH

2 3000 50 RETAIN B-1 2 2 PROVIDE NEW

EXISTING

12.2 Freight Elevator No. 2 shall be a freight elevator and shall have class "A" loading. Provide all code required signage.

13.

ELECTRIC FEEDERS AND WIRING:

13.1 The existing electric disconnect switches in machine room for elevator power supply for the elevator shall be replaced with new fused or circuit breaker type labeled, lockable shunt trip disconnect, sized for new elevator controls. New controller feeder wire and conduit shall be installed from new disconnect switches to individual controller panels for the elevator. The new main line circuit breaker switches shall include a 120VAC solenoid for operation of the shunt trip device.

13.2 Provide new disconnects for the existing 110 Volt A.C. power supply for car light circuits for new elevator. New disconnects shall be labeled, located in the machine room, and lockable in the off position

13.3 Provide new energy efficient fluorescent light fixtures with guards in the elevator machine rooms. Provide all hoistways with energy efficient fluorescent fixtures with guards at each landing and a labeled, lockable disconnect in the machine room.

Conduits and fittings shall be in accordance with the following Federal Specifications:

Threaded steel conduit WW‑C‑581E

B.

Electrical metallic tubing (EMT) WW‑C‑563A

C.

Flexible metal conduit WW‑C‑566C

D.

Fittings for cable and flexible conduit W‑F‑406B

E.

Fittings for conduit W‑F‑408C

13.4 seq level2 \h \r0 Couplings and connectors for EMT shall be steel or malleable iron, shall be "Concretetight" or "Raintight", and shall be of either the gland and ring compression type or the stainless steel multiple point locking type. All connectors shall have insulated throats. Fittings using set screws or indentations as a means of attachment shall not be used.

13.5 All conduit connecting the various items of elevator equipment in the elevator machine room shall be run concealed where practicable. Metal wireways and auxiliary gutters shall be run exposed in readily accessible locations. All raceways embedded in concrete shall be rigid or intermediate steel conduit. At all other locations any of the other types of raceways specified may be used subject to conditions, specified. Raceway fittings shall provide conductor passageways free from burrs, shoulders or other projections which will reduce internal passage area or cause abrasion of conductors being pulled through.

13.6 All conductors to the car shall consist of flexible traveling elevator cables, conforming with the requirements of the NEC. Cables shall be run from the car junction box to a machine room junction box and from these boxes, conductors shall be run to various required locations. Each traveling cable conductor shall have a distinctive color code for identification of the individual conductors. Each traveling cable shall have at least 20 percent spare conductors. Junction boxes shall contain approved terminal blocks for connection of conductors. Terminal blocks shall have indelible identification numbers for each terminal connection. All connections to terminal blocks shall be made with pressure wire connectors.

Traveling cables shall be so suspended, anchored and run that the strain on individual cable conductors will be reduced to a minimum and connections to terminal blocks will be free from all strain. The outer cable covering must remain intact between junction boxes and abrupt bending of cable producing distortion of cable will not be permitted. If, due to sway or change in relative position of traveling cables, complete freedom from contact with the hoistway construction cannot be avoided, suitable shields or pads shall be provided wherever necessary to prevent chafing or damage to the cables.

B.

Traveling cables shall include Four (4) spare shielded pairs, and 10% minimum spares.

13.7

Furnish and install all wires and cables necessary for the proper connection and operation of all equipment installed under the elevator contract. All conductors shall be in accordance with NEC requirements. The conductor size shall be such that the maximum current carried will not exceed limits prescribed by the NEC.

Unless otherwise specified, conductors exclusive of traveling cables, shall be annealed copper with 60o Centigrade or better insulation and shall be in accordance with Federal Specification J‑C‑30A. Single and multiple conductor cables shall have color coding or other suitable identification for each conductor. Unless otherwise specified, no joints or splices shall be permitted in wiring except at outlets. Tap connectors may be used in wireways provided they meet all NEC requirements. Installation of conductors in raceways shall conform to Article 620 of the NEC.

13.8

All conductors used for external wiring between the various items of elevator equipment shall be connected to terminal blocks which meet UL Standard 1059 (1975). Crimp‑type connectors shall be applied with an appropriate setting tool to ends of all size No. 10 or smaller external wires.

14.

ACCESSORIES:

14.1 A metal tool cabinet with hinged door shall be provided in each elevator machine room. Cabinet size shall be large enough to house the set of adjustment tools and one operation and maintenance manual.

14.2 Cylinder locks shall have a bronze cylinder with not less than five pin tumblers or shall have not less than a five disc combination provided wafer keyways, tumblers, and springs are of stainless steel. Provide three(3) nickel silver keys (paracentric type) for each lock and deliver same to the Construction Engineer. Provide an identification tag on each key with stamped legend "PROPERTY OF U.S. GOVERNMENT" on reverse side. Tags shall conform to Federal Specification FF-T-77B, Type A, Class 1 engraved. Locks shall be independently keyed unless otherwise specified.

14.3 Key operated switches shall be of the cylinder lock key operated type.

14.4 Suitable and approved means shall be provided for lubricating all bearing surfaces of the elevator installation unless sealed for life bearings are used. Grease gun fittings, when used, shall be suitable for high-pressure gun and all grease gun fittings furnished shall preferably be of the same type to fit the same gun. Grease cups, when used, shall be of automatic feed compression type. All points of lubrication shall be easily visible and accessible.

14.5 The elevator shall be provided with an operating device mounted from or on the car crosshead which will permit slow speed operation of the car. Separate additional means for operation of power door operators and automatic car-leveling devices are not required. The operating device shall be mounted in a metal box and shall be rigidly secured in a position conveniently accessible on top of the car. Operating devices shall be shrouded or otherwise protected in an approve manner to prevent accidental movement.

14.6 Where access to elevator pit is through the bottom terminal landing, the pit stop switch shall be located 4 feet above bottom terminal landing and adjacent to the pit ladder.

14.7 Elevator hoistway doors shall be provided with Hoistway Door Unlocking Devices conforming with the requirements of the A17.1 Code.

14.8 Include a diagnostic testing device or maintenance terminal with complete written adjustment information and instructions for performing systems adjustments, special emergency functions, diagnostic trouble shooting, and systems testing as required by ANSI A17.1 Code. If testing device requires periodic reprogramming, this shall be performed by the manufacturer at no cost to the Government.

15.

PAINTING AND FINISHING:

15.1 Unless otherwise specified, the power unit, motor, tank, muffler, controller enclosure, car frame, guide rails and buffers except their machined surfaces, door operator, cams, and other ferrous metal items furnished for each elevator shall be painted with not less than one shop priming coat and one field coat of semi-gloss enamel in the manufacturer's standard color.

A.

Holes or other imperfections in surfaces shall be filled and smoothed off before the factory priming coat is applied.

15.2 Identification Markings:

A.

Elevator hoistways shall have floor designations on the walls and/or doors of hoistways in accordance with the A17.1 Code.

B.

Floor designation shall be provided at each hoistway entrance on both sides of the jamb visible from within the car and the elevator lobby at a height of 60 inches above the floor. Designations shall be on a contrasting color background, 2 inches high, and raised at least 0.030 inch.

C.

The identification numerals or letters for motors, controllers, and machines shall be of a color which will contrast with color of the surface to which the marking is applied.

16.

CONTROLLER:

16.1 The elevator controller shall provide elevator operation as specified. Controller components shall be contained in a steel NEMA 1 enclosure. The motor starter shall be a solid state type, reduced current starter with phase protection

16.2 The sockets or circuit boards used for the mounting of relays and electrical or electronic components shall be made of an approved moisture resisting dielectric material having dielectric and structural properties suitable for its intended usage. The sockets and circuit boards shall be secured to panel frame with bolts, screws or other approved demountable means.

16.3 All wiring on the panels shall be neatly formed and securely fastened in place. All equipment on the panels shall be readily accessible and easily replaceable. All controller relays shall be magnetically operated. Solid state components shall be electrically sized, physically spaced, and ventilated so their heat can be adequately dissipated during operation. All controller components shall be designed and rated to provide at least 20 years of operation as specified, with recommended maintenance, before replacement is required.

16.4 Wiring for the various external control and operating circuits shall be brought to a terminal board and then shall continue to the various components on the controller panel. Each terminal is to have indelible means of identification to facilitate testing of the various controller circuits. All connections of wires to terminal boards from external circuits shall be made with solderless pressure type wire connectors. When a number of external connections are made to the same terminal, stud washers shall be provided between lugs to insure uniform seating and contact.

16.5 Each device on the controller panels shall be properly identified by name, letter or standard symbol which shall be neatly stencil painted, (or otherwise marked) in an approved indelible and legible manner, on the device or panel. The identification markings shall be coordinated with identical markings used on the wiring diagrams.

16.6 Emergency Operation: Elevator shall be recalled in the event of a fire or other emergency conditions. The operation shall be in accordance with ASME A17.1-2013 17.

POWER UNIT:

17.1 Power unit (Oil pumping and control mechanism) shall include a submersible oil-hydraulic pump, an electric motor, a drive assembly, an oil strainer in the suction line, a structural steel outer base with tank supports, an oil tight drip pan, an inner base for mounting motor pump assembly combined in a compact and neatly designed self- contained unit. The pump shall be especially designed and manufactured for oil-hydraulic elevator service. It shall be of the screw or gear type. Power unit shall have a maximum acoustical output of 80 dba measured inside the machine room walls. Provide elevator power unit and piping with vibration absorbing mounting and connections to prevent transfer machine noise to the building structure.

18.

OIL CONTROL:

18.1 All valves shall be provided to control oil flow for smooth starts, stops, and operation of the elevator car. A manually operated lowering valve shall be provided, which shall permit the manual lowering of the elevator car in the event of power failure. Service gate valves in the supply line shall be provided in the machine room and pit, near the cylinder. All additional pump relief valves and other auxiliary valves required by the A17.1 Code or necessary to provide smooth, safe and satisfactory operation of the elevator shall be provided. A blowout-proof muffler shall be provided in the oil line to damp pulsations from the pump.

18.2 The storage tank shall be constructed of steel and shall be provided with a steel cover, protected vent opening, overflow connection and a valved drain connection. Suitable gauge glasses shall be provided if the top of the tank is over 4 feet -0 inches above the floor. An initial supply of oil sufficient for proper operation of the elevator shall be provided.

18.3 The type oil to be used shall be of a biodegradable, non-toxic hydraulic oil. Written instructions included in the for the care, adjustment, and maintenance of the equipment. The flash point of oil used shall not be less than 400 degrees F. A 6” X 6” stainless steel plate shall be provided on the pumping unit and controller door giving the fluid characteristics and warning of the type of oil recommended for replacement.

18.4 Provide a means to constantly control the viscosity of the biodegradable hydraulic fluid. I.e. tank heater.

19.

MOTOR:

19.1 The motor shall be of the alternating current polyphase induction type of a design adapted to the severe requirements for submersible operation of oil hydraulic elevator service. The motor shall be of standard manufacture and of duty rating adequate for the specified elevator speeds and loads. The motor shall meet the requirement of NEMA Standard MG1-1972 for elevator service. The temperature rise rating shall be consistent with the class of insulation supplied. The motor shall have sufficient capacity to meet the test requirements specified.

19.2 The insulation of all windings shall be impregnated to prevent the absorption of moisture and oil. The insulation resistance between motor frame and windings shall not be less than one megohm. The motor windings shall stand a dielectric test of twice the normal voltage plus 1000 R.M.S. volts of 60 Hertz alternating current for one minute.

20.

CANTILEVERED CYLINDER-PLUNGER HOLELESS UNIT:

20.1 The holeless cantilevered post cylinder-plunger unit shall be designated and constructed in accordance with ANSI A17.1. It shall be of sufficient size to lift the gross load the height specified, at the rated speed specified, and shall be factory tested to insure adequate strength and freedom from leakage. Plunger finish shall be 16 micro inches or finer. Replaceable packing shall inhibit oil leakage. Provide scavenger pump to return leakage oil to the system with copper tubing to tank.

20.2 Plunger couplings, if used, shall be the internal type, shop assembled. The diameter of the plunger shall not vary more than .01 inches throughout its length including the coupling area. Protect plunger during shipment and handling. If gouged or scored to the extent of damaging the packing, the plunger shall be replaced.

20.3 Cylinder shall be seamless steel pipe or tubing of thickness to withstand maximum pressure. Bottom shall be dished and provided with a baffle.

20.4 Brackets shall be welded to the upper portion of the cylinder for support on steel channels running full width of hoistway. Weld steel ring (4"x 3/8”) (6" x 3/4”) to cylinder.

20.5 Stop ring shall be electrically welded to each plunger to positively prevent plunger from leaving the cylinder.

20.6 Provide a check vavle in the pit oil supply line as the line enters the jack assemblies.

20.7 Jack cylinders and piping shall be painted and protected from chemical corrosion.

20.8 An upside down cylinder-jack assembly with the jack on the bottom and cylinder on top will not be accepted. Only cylinder-jack assemblies with the jack pushing up will be accepted.

21.

BUFFERS:

21.1 Provide new spring type buffers.

22.

TWO-STOP OPERATION:

22.1 Elevator No. 2 shall have Two-Stop Automatic Operation.

22.2 The operating device at each landing (entrance) shall consist of an "Up" call button at the bottom landing, an "Down" call button at the top landing, and an integral call registration light for each button. The registration of a landing call shall cause its registration light to be illuminate until the car responds to that call.

22.3 When the car is standing at either one of the terminal landings, the registration of a car button call for the other terminal shall automatically dispatch the car to that landing. The registration of landing button call at the landing opposite from the terminal where the car is standing shall automatically call the car to that landing. If a landing button is registered while the car is in transit, the call shall remain registered until car responds to the call. After all registered car and landing calls have been answered, the car shall return to basement landing.

22.4

PIT FLOOD ALARM:

Provide a two-stage pit flood device. Stage I shall operate when the water level exceeds two inches above the pit floor, and shall activate a bell mounted in the pit.

1. Stage II shall operate when the water level exceeds six inches above the pit floor, and shall activate a circuit which shall initiate Emergency Fire Service Recall Phase I to recall to the second (alternate fire) landing, and remove the elevators from operation until the pit flood device has been reset.

2.

The lowest level car call shall be blocked on Emergency Fire Service Phase II only on pit flood alarm operation to prevent operation into a flooded pit.

23.

CAR OPERATING PANEL:

23.1 Each elevator shall contain a metal, flush mounted, car operating panel which shall contain, in addition to the car dispatching buttons, the following devices:

A.

Emergency stop switch.(keyed)

B.

Emergency signal button connected to 6 inch diameter bell located in hoistway at main floor.

C.

Keyed car light switch.

D.

Keyed fan or blower switch.

E.

Door open and close buttons.

F.

Registered car call button shall cause its registration light to be illuminated until the call is canceled. Provide a key switch beside each car call button to disable it.

G.

Provide key operated emergency service switch, pilot light and signage behind locked Fireman’s Service panel.

H.

Keyed independent operation switch.

I.

Provisions for hands-free emergency telephone communication system; i.e. speaker perforation, buttons, operating instructions, etc.

J.

Keyed emergency light test switch.

K. Engraving on car operating panel stating “Elevator Inspection Certificate on File in Building Management Office”.

L.

Door Hold Open Switch.

23.2 The emergency stop and emergency signal bell devices shall be located below the car operating keyswitch and the center line of both devices shall be approximately 35 inches above the car floor. The highest car dispatching button shall be no more than 48 inches above the floor.

23.3 All switches and other devices on the car operating panel shall be of the highest grade. Each device and its operating positions shall be legibly and indelibly identified.

24.

CAR DOOR OPERATION:

24.1 Hoistway Door and Gate Operators. Provide powered automatic operation. Arrange so doors can be opened from inside car in case of power failure.

Car Gate: Power operated, vertical rise, 6'0" minimum height, constructed of not lighter than 12 gage expanded metal welded into frame angles.

24.2 Provide new vertical sliding elevator doors that shall open by an automatic powered operation as the car stops at a landing and shall close by automatic operation. Color of door panels and entrances to be selected building manager.

25.

LEVELING DEVICE:

25.1 The elevator car shall be equipped with an approved two-way automatic maintaining type leveling device. The device shall automatically bring the car to a stop with the car floor within 1/4 inch of level with any landing floor for which a stop has been initiated (within a definite range of distance in advance of the landing) regardless of load or direction of travel as well as under travel and shall maintain the car floor within 1/4 inch of level with the landing floor regardless of the change in load.

26.

GUIDE RAILS:

26.1 The existing car guide rails may be re-used. Main rails may be needed to be moved as required.

A.

Before the car is placed in service, the rails shall be thoroughly cleaned and painted. When the car is tested the rails shall be clean, free from rust and any signs of abrasion

B.

If any concrete anchor is suspected of being improperly installed, it shall either be acceptably replaced or tested on-site with double the design load.

27.

TERMINAL STOPPING DEVICES:

27.1 Terminal stopping devices located in hoistway or on the car and operated by cams shall be fitted with rollers having a rubber or other approved composition tread.

28.

GUIDE SHOES:

28.1 Freight Elevator No. 2 shall be provided with new spring loaded roller type guide shoes, or fixed slide guides.

29.

CAR FRAME AND PLATFORM:

29.1 The cantilevered platform shall be constructed to receive the type of finished flooring specified under the car description for the elevator. Platform shall be provided with a metal sub-floor.

29.2 The plunger shall be effectively sound isolated from the car frame.

29.3 Retain and repaint existing car entrances. Color of entrances to be selected building manager.

29.4 Data and lubrication plates secured to car frame shall be of a corrosion resistant metal.

30.

FREIGHT CAR:

30.1 Enclose sides to a full height of 9’ 0” if existing overtravel permits. Otherwise, cab height shall be the maximum allowed, with flush reinforced 10-gauge sheet steel panels no more than 20" wide with light-proof joints. Baked enamel finish as selected. Provide recess in car wall panel for mounting of car operating panel. Reinforce and brace panels to provide rigid structure and securely fasten to car sling and platform.

30.2 Car Top: 12-gauge reinforced sheet steel panels no more than 20" wide with light-proof joints. Baked enamel finish as selected.

30.3 Lighting: Recessed energy efficient LED fixtures with on/off switch in car operating panel. Recess mount fixture flush with inside surface of car top. Provide steel guard on car top over fixture.

30.4 Provide single row of 2 x 12 oak bumpers on side walls. Mount row at 16" above floor. Secure rails to side walls with bolt and captive nuts on exterior of wall pan sections.

30.5 Ventilation system of the exhaust type shall be provided.

A.

The system shall include a blower driven by a direct connected motor and mounted on top of car with isolation to effectively prevent transmission of vibration to the car structure. The blower shall have not less than two operating speeds with a rated free delivery air displacement of approximately 380 and 265 c.f.m. at the respective speeds. The unit design and installation shall be of such that the maximum noise level when operating at high speed shall not exceed 55 DBA approximately three feet above the car floor. A three-position switch to control the blower unit shall be provided in the car service cabinet.

30.6 The finished car floor for elevator No. 2 shall be of painted ¼” inch steel diamond plate.

30.7 Car gate shall be of expanded metal.

30.8 Sheet steel shall be in accordance with Federal Specification QQ-S-698 for cold rolled Commercial Quality and shall be stretcher level or cabinet quality. All sheet steel surfaces shall be cleaned and then shall receive a rust preventive treatment by bonderizing or other equally serviceable approved process. Sheet steel work exposed on car interior shall receive a six-coat baked enamel finish consisting of three coats of primers and surfacing material and three finish coats of enamel. Each coat shall be evenly applied in sufficient quantity to completely cover the preceding coat, baked at proper temperature and then rubbed smooth. The final coat shall be rubbed to an eggshell gloss. The finish and colors shall be as follows:

A.

Interior of canopy in manufacturer's standard baked enamel flat white.

B.

Interior of steel shell in baked enamel color as selected.

C.

The exterior of canopy shall receive at least a priming and two finished shop coats of manufacturer's standard enamel, except exterior of car doors may be the same color specified for interior side.

D.

The exterior of steel shell except mounting flanges and surfaces less than 3 inches in width shall receive a factory applied coating of a mastic sound insulation material approximately 3/32-inch thick followed by a prime coat of manufacturer's standard paint. Mastic material shall conform to Federal Specification SS-S-111B, Type I, Class (a).

E.

Upon completion, all factory finished surfaces shall be touched-up and restored where damaged of defaced.

30.9 Stainless steel shall be in accordance with Federal Specification QQ-S-763D (and INT AMD-1) for bars and QQ-S-766c for sheets, Class 302 or 304, Condition A, with a No.4 or approved satin finish on exposed surfaces.

30.10 Bronze sheets shall be in accordance with Commercial bronze, Copper Development Association alloy No.220 with exposed surfaces in oxidized statuary lacquered finish to match approved sample.

30.11 Nickel Silver sheets shall be in accordance with Copper Development Association Alloy No.754 with exposed surfaces in satin finish to match approved sample.

30.12 Aluminum work shall have a uniform fine satin finish (180-220 emery) on exposed plain surfaces and shall be anodized in natural color. Anodized aluminum shall be in accordance with alloy of applicable section of Federal Specification QQ-A-250D/GEN.

31. FINISH OF CAR FIXTURES:

31.1 Unless otherwise specified, all exposed metal fixtures in the car, including face plate and frame for car operating panel, telephone cabinet, certificate frame and the like shall be of stainless steel.

31.2 Unless otherwise specified, the remaining car fixtures such as name and capacity plates, pad hooks, ceiling vent grilles, emergency light fixture frame, safety release cover and frame may [at the option of the contractor] be either stainless steel or nickel silver], anodized aluminum chrome plated bronze in the manufacturer's standard finish.

31.3 Stainless steel shall be in accordance with Federal Specification QQ-S-766C, for sheets, and QQ-S-763D for bars, Class 302 or 304 Condition A, with a No. 4 or approved finish on exposed surfaces.

32.

EMERGENCY CAR LIGHTING:

32.1 An emergency car lighting system shall be provided in elevator consisting of a rechargeable battery, charger, controls and using the normal LED car lighting. The system shall automatically provide emergency light in the car upon failure or abnormal interruption of the normal car lighting service and shall function irrespective of the position of the light control switch in the car.

32.2 The battery shall be 6-volt minimum, sealed, maintenance-free, of either lead acid or nickel cadmium construction and designed to give a life expectancy of not less than ten years. The term "sealed" shall mean sealed against the loss of electrolyte and against gassing except for over-pressure vents which shall be leakproof. Batteries using adapter type water conserving or catalytic devices are not acceptable.

32.3 The charger including rectifier and controls shall be solid state except load relay, if used, shall be hermetically sealed. The charger shall be of the two-rate type and capable of:

A.

Restoring the battery to full charge within 16 hours after resumption of the normal power supply following a continuous discharge of 4 hours through the connected lamp load.

B.

Automatically maintaining the battery in a full state of charge under normal power supply conditions.

32.4 The battery, charger and controls shall be housed in a enclosure of either sheet steel or molded plastic with a dusttight removable cover. The enclosure shall be designed for permanent mounting on the elevator car top and shall be of sufficient strength to support the full weight of a 200-pound man without causing any malfunction or damage.

32.5 A constant pressure switch that automatically returns to the "Off" position when released, and pilot light, for the periodic testing of battery and lamps shall be provided on the exterior of the battery enclosure. An "on-off" switch to interrupt the D.C. discharge, should it be necessary to disconnect the unit from the A.C. supply for any reason, shall be provided on the interior of the enclosure.

33. TELEPHONE:

33.1 A new flush type handsfree telephone instrument will be furnished and integrated into the car operating panel. The telephone shall have an exposed, flush mounted cover plate containing a speaker and pushbutton for hands free operation, and shall provide both voice and visual display intercommunication so that persons with hearing impairments and persons with vision impairments can receive information regarding status of rescue. Car telephones shall be equipped with signage and auto-dialers and must be operational before elevators are placed in service.

33.2 Furnish and install all traveling cables, conductors, conduit, etc., required for the telephone service from the telephone cabinet in the car to the telephone outlet box at the hoistway half way junction box.

34.

CERTIFICATE FRAMEtc \l1 "34.

CERTIFICATE FRAME:

34.1 Provide engraving on car operating panel stating “ Elevator Inspection Certificate on File in Building Management Office”

35.

SIGNAL SYSTEM:

35.1 A digital car electric position indicator shall be provided in the car for Elevator No 2. Electric position indicator shall be mounted in the car operating panel to indicate the location of the car in the hoistway. The indicator face plate shall be of stainless steel and shall contain an indication for each floor served by the elevator. Each indication shall provide a non-glaring easily read indication. The floor indications shall be a minimum of one inch (1") high. The change of illumination from one indication to another shall occur rapidly when car is approximately midway between floors.

35.2 A Car Emergency Signal Bell shall be provided for each elevator except only one bell may be provided for a group of elevators if operable from all cars in the group. The car emergency signal bell shall be of the monitor type suitable for outlet box mounting and shall have a six (6) inch diameter gong. The bell shall sound when emergency signal push button in the car operating panel is pressed. Unless otherwise specified, the emergency signal bell shall be mounted in elevator hoistway at lower main terminal. Electricity for the bell shall be obtained from the power supply for elevator equipment.

35.3 A complete Landing Call Button riser shall be provided on the building side openings only. as required under the method of operation specified. The landing call button fixture face plates shall be of stainless steel with call buttons as required by the type of signal system or operation specified. Where "UP" and "DOWN" buttons are specified, the "UP" button shall be the top button for intermediate landings and the fixtures at the terminal landings shall have only the "Up" or "DOWN" buttons as required. The buttons shall be of substantial construction with contacts and wearing parts of materials and sizes to meet the severe requirements of freight elevator service. Landing callbuttons shall have integral illuminated registered call signal indicators and shall have their function indelibly and legibly identified on the face plate by legend or arrows. When a landing call button is operated the corresponding signal indicator shall be illuminated to indicate that a call has been registered for that direction of travel. Signal indicators shall be extinguished when a car serves the registered call. The centerline of the hall call buttons shall be approximately 42 inches above the floor. The top of the coverplate shall have engraved into the metal and colored to match the pictograph of Appendix H of the A17.1 Code.

36.

FREIGHT ELEVATOR HOISTWAY ENTRANCES:

36.1 Retain and refinish existing entrances. Provide new automatic powered operated bi -parting freight doors.

Color of entrances and door panels to be selected by building manager.

37.

INTERLOCKS AND CONTACTS:

37.1 Retiring cams used to actuate interlocks shall be securely fastened to car construction and shall be designed to operate without objectionable noise, shock or jar. Car door and gate and car top emergency exit electric contacts shall be designed to prohibit accidental contact with energized electrical components.

37.2 Submit for approval, engineering test reports showing that the hoistway door interlocks, car door or gate electric contacts, car side emergency exit electric contacts, or car top emergency exit electric contacts proposed meet the requirements of A17.1 Code and have been so certified by a qualified testing laboratory.

37.3 The name of the manufacturer and type or style letter or number of hoistway door interlocks and electric contacts proposed to be used shall be indicated on elevator shop drawings submitted for approval.

38.

INDEPENDENT SERVICE:

38.1 A two position key operated INDEPENDENT SERVICE SWITCH, with Normal and Independent markings shall be provided in each elevator.

A.

When this switch is placed in the Independent Position, the operation shall be the same as that required for Emergency Service, except the doors shall open automatically as elevator arrives at landing. Doors shall close when a car keyswitch or door close button is activated.

B.

When the independent service switch is returned to the position marked Normal. the elevator shall return to normal service.

39.

FIREFIGHTERS SERVICE.

39.1 Recall Operation required during a fire or other emergency shall be provided for all automatic elevators in accordance with the A17.1 Code except as modified herein.

39.2 Manual control of the recall operation shall be from a keyed Recall Switch, located in the Main (Ground) Floor lobby. The First floor is designated as the main recall floor. The Recall Switch shall be key operated with permanently identified Recall (On), Normal (Off) and By-Pass positions. The Recall Switch at the Main Floor shall be specially keyed to match the Emergency Service Switch in the car.

39.3 The recall switch and all instructions or signage at the first floor shall be incorporated into the hall button fixture.

39.4 When placed in the "Recall" position, the car shall return to the Main Floor. Elevators standing at a floor other than the Main Floor, with doors open, shall close entrance doors without delay and travel nonstop to the Main Floor when this switch is activated. If there is a fire at the Main Floor, elevators shall travel nonstop to the Designated Alternate Floor as specified herein. The car will remain out‑of‑service unless placed in Phase II Emergency Service or returned to Normal Service.

39.5 The Designated Alternate Floor shall be the basement floor.

39.6 When the Recall Switch is placed in the "By-Pass" position, the elevator shall operate normally despite any signals received for automatic recall.

40.

FIRE DETECTION FOR AUTOMATIC ELEVATOR RECALL:

40.1 The design and installation of the Fire Detection System shall be coordinated with he elevator control equipment to assure automatic elevator recall as specified.

A.

Incorporate elevator recall into existing fire protection system.