D04.REV

MACHINE ROOM EQUIPMENT FOR HYDRAULIC ELEVATOR WORK

NOTE: MASTER COPY DATE: JULY 27, 1983

Part 1 -	GENERAL

1)	DESCRIPTION

A.	Elevator power unit and appurtenances.

2)	QUALITY ASSURANCE

A.	Speed regulation:

1.	Rate of change:

a.	Constant.

b.	Independent of car operating device.

2.	Speed: plus or minus five percent of specified.

3)	SUBMITTALS

A.	Shop drawings:

1.	Dimensional drawings indicating:

a.	Machine room and equipment.

b.	Clearances around equipment.

c.	Weights and supports for equipment.

Part 2 -	PRODUCTS

1)	EQUIPMENT AND MATERIAL

A.	Power unit:

1.	Located as noted.

2.	Including:

a.	Oil storage tank:

(1)	Steel: welded, reinforced.

(2)	Cover: bolted.

(3)	Provided with:

(a)	Protected vent opening.

(b)	Overflow connection.

(4)	Capacity: to lift elevator to top landing plus minimum of 10 gallons (40 liters).

(5)	Surge control shall prevent oil leaving tank when elevator descends.

(6)	Oil supply: to raise elevator to top landing plus minimum of 5 gallons (20 liters)

(7)	Viscosity as required by pump, environmental conditions.

(8)	Provide oil heater in tank, as required, to insure constant oil temperature and proper operation of elevator. Elevator shall not be affected by temperature variations

b.	Oil pump:

(1)	Positive displacement.

(2)	Screw or gear type.

(a)	Accurately cut herringbone or helical gears.

(b)	Case accurately machined, close fitting to gears.

(c)	Operate under flooded suction.

(3)	Induction motor driven.

(4)	Mount pump and motor on common bedplate with sound and vibration absorbing devices.

(5)	Provide with permanent plate stating oil viscosity.

c.	Electric motor: AC, polyphase, induction type, designed for elevator service

d.	Pump drive:

(1)	Multiple V-belt.

(a)	Sheaves concentric, keyed to shafts.

(b)	Tension adjustable.

(c)	Removable guard with frame and perforated metal panel.

e.	Control valves:

(1)	Main and leveling.

(a)	Magnetic type.

(b)	Positive operation.

(c)	Graduated openings.

(d)	Gradually and completely stop oil flow.

(2)	Relief.

(3)	Check.

(4)	Manually operated lowering valves, gate type.

f.	Oil filter.

g.	Hydraulic piping:

(1)	Steel or wrought iron.

(2)	Screw type or victaulic grooved.

(3)	400 psi test (28 kilograms per square cm test) minimum.

(4)	Provide with:

(a)	Blowoutproof muffler and sound isolating coupling.

(b)	Minimum of two gate valves, one in pit, one in machine room.

(c)	Oil pressure gauge with gate valve in line.

(d)	Sleeves, when passing through walls: minimum one inch (25.4mm) clearance between piping and sleeve filled with fiberglass packing, both ends sealed wit fireproof, nonhardening mastic, 1/4 in. (6.35mm) minimum thickness. Sleeves supplied by Elevator Contractor, installation under Related Work Specified Elsewhere

(e)	Provide heat traces to obtain optimum oil temperature when piping runs through unheated or cool areas

NOTE: USE THE FOLLOWING WHEN MACHINE ROOM IS REMOTE AND OIL LINE IS ABOVE CEILING

(f)	Oil tight enclosure from remote machine room to hoistway, pitched to machine room

B.	Controller:

1.	Panel:

a.	Insulated, secure to steel frame.

b.	Enclose in steel cabinet, with swing front doors.

c.	Provide with:

(1)	Pump motor starter, resistance starting type.

(2)	Electromagnetic control switches and auxiliaries.

(3)	Automatic self-leveling.

(a)	Two way leveling and releveling within 1/4 in. (6.4mm).

(b)	Releveling: with car and landing doors open or closed.

(4)	Overload relays with manual reset.

(5)	Sequence starting relays for multiple motor installations.

(6)	Two mainline switches.

(7)	Circuitry for Failure Protection, as specified.

(8)	Contacts to receive signal from Ionization (or other fire) detection system

NOTE: USE WHEN FUTURE STOPS ARE REQUIRED.

(9)	Provide for future stops as specified under Operating Systems.

d.	Identify each device on panel.

C.	Selector:

1.	Selector floor switches in elevator hoistway.

2.	To govern:

a.	Direction of travel.

b.	Stopping.

c.	Leveling.

d.	Signal lantern lighting.

NOTE: USE WHEN FUTURE STOPS ARE REQUIRED.

3.	Provide for future stops as specified under Operating Systems.

D.	Wiring:

1.	From control panels and relay panels to equipment and from hoistway junction box to elevator. Provide transformer for required relay panel contro voltage

2.	Install in metal wireways and raceways with outlet boxes as specified under Electrical Work, except for trail cables and short connections

3.	Trail cables: Underwriters labeled, fire and moisture resistant outer braid and steel supporting strand. Provide minimum 10 percent spares, not les than six wires

4.	Branch circuit and control wiring: TEW or THW insulation, 600 volts.

5.	Telephone wiring: shall meet telephone company requirements. In trail cable from hoistway junction box to car. From hoistway junction box to terminal box in machine room

6.	From shaft riser to door interlocks, SF-2 type or equivalent; maximum operating temperature, 392 degrees F (200 degrees C). Terminations shall be insulated to maintain integrity of wiring

7.	Install short connections (nonmoist locations) in flexible conduit.

8.	Conduit: galvanized steel.

9.	Install green ground wire as required.

NOTE: COORDINATE W/AUTOMATION GROUP, AND CODE IF REQUIRED.

10.	Fire-Emergency Communication System:

a.	Provide: wiring, conduit, trail cable, for Fire Department Communication System as required by Code

b.	Terminate at terminal box in elevator machine room, and at jack and speaker in car operating panel

c.	Jack, speaker, terminal box and remainder of System by Fire-Emergency Communication System Contractor

d.	Jack, speaker, terminal box and equipment noted above installed by Elevator Contractor

2)	ACCEPTABLE MANUFACTURERS

A.	Armor Elevator Company.

B.	Dover Elevator company.

C.	Montgomery Elevator Company.

D.	Otis Elevator Company.

E.	Schindler Haughton Elevator Corporation.

F.	Westinghouse Elevator Company.

Part 3 -	EXECUTION

1)	INSTALLATION

A.	Install equipment making full use of space available for maximum access to all equipment

2)	FIELD QUALITY CONTROL

A.	Tests

1.	As required by governing Code.

B.	Protection of equipment:

1.	Fully protect equipment from time of delivery until machine room is weathertight

2.	Power units, and controllers shall be enclosed in plastic-type bag or approved equal prior to equipment use