SECTION 14220

ELECTRIC ELEVATORS - FREIGHT

PART 1 GENERAL

SECTION INCLUDES

Electric freight elevator system.

Freight cab with doors and frames; hoistway entrance doors and frames.

Machines, controllers, hoistway equipment, and accessories.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [______-____________]: Placement of elevator machine anchors in concrete.

Section [______-____________]: Placement of [special guide rail brackets and inserts for [installation] [casting in concrete].

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section [_____-_____________]: Supply of key cylinders for placement by this section.

RELATED SECTIONS

Section 01500 - Construction Facilities and Temporary Controls: Temporary power supply.

Section [03300 - Cast-in-Place Concrete] [______-____________]: Concrete for elevator machine foundation, [enclosed hoistway [and pit],] [divider beams,] [overhead hoist beams,] [and] [grouting thresholds].

Section [04300 - Unit Masonry System] [_____-_____________]: Building-in and grouting hoistway door frames]; [masonry hoistway enclosure].

Section 05120 - Structural Steel: [Hoistway framing,] [divider beams,] [and] [overhead hoist beams].

Section 05500 - Metal Fabrications: [Pit ladder,] [Sill supports,] [wall to wall thresholds,] [hoistway door frames,] [divider beams,] [overhead hoist beams] [and] [________].

Section [______-____________]: Waterproofing of elevator pit walls and floor.

Section [07255 - Cementitious Fireproofing] [07253 -Cellulose Fireproofing]: Fireproofing of guide rail brackets where attached to building structural members.

Section [07724 - Roof Hatches] [______-____________]: Smoke venting hatch at top of hoistway.

Section 08305 - Access doors: Fire rated access doors into hoistway.

Section 09260 - Gypsum Board Systems: Gypsum shaft walls.

Section [______-____________]: Fire extinguisher in elevator machine room.

Section [10605 - Wire Mesh Partitions] [______-____________]: Machine room wire mesh partition with door and frame.

Section 14215 - Electric Elevators - Passenger.

Section 14245 - Hydraulic Elevators - Passenger.

Section 14250 - Hydraulic Elevators - Freight.

Section 15450 - Plumbing Equipment: Pit [drain.] [sump and pump.]

Section 15870 - Power Ventilators: Mechanical fan for pressurization of elevator hoistway.

Section [______-____________]: Ventilation and temperature control of elevator equipment room.

Section 16111 - Conduit:	Empty conduit to elevator equipment devices remote from elevator machine room or hoistway.

Section 16180 - Equipment Wiring Systems: Electrical characteristics and wiring connections.

Section 16180 - Equipment Wiring Systems: Electrical service to [main disconnect] [________] in elevator machine room including [electrical power for elevator installation and testing] [________].

Section 16180 - Equipment Wiring Systems: Electrical disconnecting device to elevator equipment prior to activation of sprinkler system.

Section 16180 - Equipment Wiring Systems: Electrical service for [machine room,] [machine room convenience outlets,] [pit,] [and] [________].

Section 16180 - Equipment Wiring Systems: Lighting in elevator pit.

Section 16180 - Equipment Wiring Systems: Empty conduit for telephone service [to machine room] [________].

Section 16721 - Fire Alarm and Smoke Detection Systems: Fire [and smoke] detectors and interconnecting devices.

AA.	Section 16721 - Fire Alarm and Smoke Detection Systems: Fire alarm signal lines to elevator controller cabinet.

REFERENCES

AISC - Specification for the Design, Fabrication and Erection of Structural Steel for Buildings.

ANSI/ASME A17.1 - Safety Code for Elevators and Escalators.

ANSI/ASME A17.2 - Inspector's Manual For Elevators and Escalators.

ASTM A36 - Structural Steel.

ASTM A366 - Steel, Sheet, Carbon, Cold-Rolled, Commercial Quality.

ANSI/AWS D1.1 - Structural Welding Code, Steel.

ANSI/NFPA 70 - National Electrical Code.

ANSI/NFPA 80 - Fire Doors and Windows.

ANSI/UL 10B - Fire Tests of Door Assemblies.

APA - American Plywood Association.

ASTM A167 - Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip.

ASTM A446 - Steel Sheet, Zinc Coated (Galvanized) by the Hot-Dip Process, Structural (Physical) Quality.

NEMA MG1 - Motors and Generators

Steel Structures Painting Council (SSPC) - Steel Structures Painting Manual.

SYSTEM DESCRIPTION

Electric Freight Elevator System: [One] [____] unit; geared type; traction machine [overhead] [at bottom adjacent to hoistway].

Characteristics of [each] elevator are as follows:

Rated Net Capacity: [____] lbs ([____] Kg).

Loading Class:	[A] [B] [C1] [C2] [C3].

Rated Speed: [____] ft/min ([____] m/s).

Nominal Platform Size: [____x____] inches ([____x____] mm).

Clear Net Platform Size:	[____x____] inches ([____x____] mm).

Cab Height: [____] inch ([____] mm).

Hoistway and Cab Entrance Frame Opening Sizes: [____x____] inches ([____x____] mm).

Door Type:	[Biparting] [________]

****** [OR] ******

Gate Type: [single] [double] blade, [single] [two] speed.

Operation:	[Manual] [Power].

No. of Stops: [____].

No. of Openings: [____] Front [____] Rear.

[Door] [Gate] Control Features:

Program control to open [door] [gate] automatically when car arrives at floor.

If [door] [gate] is prevented from closing for approximately [ten] [____] seconds because of an obstruction, automatically disconnect reopening devices, close [door] [gate] more slowly until obstruction is cleared. Sound buzzer.

[Door] [Gate] Safety Devices: Moveable, retractable safety edges, equip with [photo-electric light rays.] [object proximity detector device.]

Interconnect elevator control system with building [fire alarm,] [smoke alarm,] [and] [________] system.

Temporary Elevator Use: Enclose elevator for transport of construction materials and personnel.

Enclose cab with protective [plywood] [________] on floor, walls, and ceiling.

Provide temporary lighting.

Provide control panel with manual and emergency operation [with key operation for attendant operator] [________].

Seismic Design: In accordance with [applicable] [________] code.

SINGLE AUTOMATIC OPERATION

Set system operating device to give operator or freight handler in car, uninterrupted use of elevator until car has reached desired destination and car [door] [gate] has been opened and closed.

On momentary pressure of any hall button, dispatch car to that landing.

After car stops at landing in response to landing call, render car inoperative from other hall calls for [programmable] [[15] [____] second] interval, to allow person boarding time to register a call in the car.

Hall stations to include "IN USE" light.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Shop Drawings:	Indicate the following information:

Driving machine, controller, selector, governor and other component locations.

Car, counterweight, sheaves, machine and sheave beams, guide rails, buffers, ropes, and other components in hoistway.

Rail bracket spacing; maximum loads imposed on guide rails requiring load transfer to building structural framing.

Individual weight of principal components; load reaction at points of support.

Loads on hoisting beams [and location of trolley beams].

Clearances and over travel of car and counterweight.

Location of components in machine room.

Locations in hoistway and machine room of traveling cables and connections for car light.

Location and sizes of access doors, doors, and frames; structural requirements for [door] [gate] [frames].

Expected heat dissipation of elevator equipment in machine room.

[Applicable seismic design data; certified by a Registered Professional Structural Engineer.]

[Interface with building security system.]

Electrical characteristics and connection requirements.

Show arrangement of equipment in machine room so rotating elements, sheaves, and other equipment can be removed for repairs or replaced without disturbing other components. Arrange equipment for clear passage through access door.

Product Data: Provide data on the following items:

Signal and operating fixtures, operating panels, indicators.

Cab dimensions, layout, and components.

Cab and hoistway door and frame details.

Electrical characteristics and connection requirements.

OPERATION AND MAINTENANCE DATA

Submit under provisions of Section [01700.] [________.]

Include a parts catalog with complete list of equipment replacement parts; identify each entry with equipment description and identifying code.

Provide technical information for servicing operating equipment.

Include legible schematic wiring diagrams of installed electrical equipment, and changes made in the Work. List symbols corresponding to identity or markings on machine room and hoistway apparatus.

Provide one copy of master schematic and one copy of lubrication chart, each framed with clear [plastic] [glass]; mount on machine room wall.

QUALITY ASSURANCE

Perform Work in accordance with ANSI/ASME A17.1, ANSI/AWS D1.1, ANSI/NFPA 70, AISC, and as supplemented in this section.

Fabricate and install [door] [gate] and frame assemblies in accordance with ANSI/NFPA 80 and ANSI/UL 10B.

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [ten] [_______] years [documented] experience.

Installer: Employees and supervisor on payroll of elevator equipment manufacturer.

****** [OR] ******

Installer: Company specializing in performing the work of this section and approved by elevator equipment manufacturer.

REGULATORY REQUIREMENTS

Conform to [applicable] [________] code for manufacture [and installation] of elevator system.

Products Requiring Electrical Connection: Listed and classified by [Underwriters' Laboratories, Inc.,] [testing firm acceptable to the authority having jurisdiction] as suitable for the purpose specified and indicated.

PRE-INSTALLATION CONFERENCE

Convene [one] [_____] week prior to commencing work of this section, under provisions of Section [01039.] [________.]

Require attendance of persons directly involved with the work of this section.

Review schedule of installation, installation procedures and conditions, and coordination with related work.

[Review temporary use of elevator, hours of use, scheduling of its use, cleanliness of cab, employment of operator, maintenance of system.]

FIELD MEASUREMENTS

Verify that field measurements are as [indicated [on shop drawings].] [instructed by the manufacturer.]

SCHEDULING

Schedule work under the provisions of Section [01300.] [________.]

Schedule work to permit early use of Elevator Number [____] for construction purposes.

WARRANTY

Provide [one] [____] year [manufacturer's] warranty under provisions of Section [01700.] [________.]

Warranty: Include coverage for elevator operating equipment and devices.

MAINTENANCE SERVICE

Furnish service and maintenance of elevator system and components [for one year from date of Substantial Completion.] [during warranty period.] [________.]

Examine system components [weekly] [semi-monthly] [monthly] [bi-monthly]. Clean, adjust, and lubricate equipment.

Include systematic examination, adjustment, and lubrication of elevator equipment. Repair or replace parts whenever required. Use parts produced by the manufacturer of the original equipment. Replace wire ropes when necessary to maintain the required factor of safety.

Perform work without removing cars during peak use periods.

Provide emergency call back service at [all hours] [during working hours] for this maintenance period.

Maintain locally, near the Place of the Work, an adequate stock of parts for replacement or emergency purposes. Have personnel available to ensure the fulfillment of this maintenance service, without unreasonable loss of time.

Perform maintenance work using competent and qualified personnel, under the supervision [and in the direct employ] of the elevator manufacturer or original installer.

Maintenance service shall not be assigned or transferred to any agent or Subcontractor without prior written consent of the [Owner.] [________.]

PART 2 PRODUCTS

MANUFACTURERS

[_________________________] [System] [Model] [_________].

[_________________________] [System] [Model] [_________].

[_________________________] [System] [Model] [_________].

Substitutions: Under provisions of Section [01600.] [________.]

MATERIALS

Rolled Steel Sections, Shapes, Rods: ASTM A36.

Sheet Steel:	[ASTM A366 Class [1] [2], with [matte] [commercial bright] [luster] finish.] [ASTM A446 Grade [B] [____], zinc coated to [G90] [________].]

Stainless Steel:	ASTM A167 Type [304] [____], No. [4] [____] finish.

Plywood:	APA Structural I, Grade [C-D] [____], [sanded.] [unsanded.]

FINISH MATERIALS

Shop and Touch-Up Primer: [SSPC 15, Type 1, red oxide] [________].

****** [OR] ******

Touch-Up Primer for Galvanized Surfaces:	[SSPC 20 [Type I Inorganic] Type II Organic] zinc rich] [________].

Primer for Wood Surfaces: Alkyd primer sealer.

Finish Paint (for Metal Surfaces): Alkyd enamel, [semi-gloss] [________], [_________] color as selected.

Finish Paint (for Wood Surfaces): Alkyd enamel, [semi-gloss] [________], [________] color as selected.

EQUIPMENT

Motors, Controller, Controls, Buttons, Wiring and Devices, Indicators: Required by ANSI/NFPA 70.

Geared Machine: Worm geared traction machine, brake, gearing and driving sheave; quiet operation.

Guide Rails, Ropes, Cables, Counterweights, Sheaves, Spring Buffers, Attachment Brackets and Anchors: Purpose designed, sized according to code with safety factors.

ELECTRICAL CHARACTERISTICS AND COMPONENTS

Electrical Characteristics:

[[____] hp ([____] kW)] [[____] kW] [[____] rated load amperes].]

[[____] volts, [single] [three] phase, 60 Hz.]

[[____] amperes maximum fuse size] [or] [[____] amperes maximum circuit breaker size] [overcurrent protection].] [[____] minimum circuit capacity].]

[[____] percent minimum power factor at rated load.]

Starter Characteristics:	Reduced voltage maximum [________] and drawn for [____] seconds.

[Refer to Section 16180.]

Motor:	[Refer to Section 15170.] [NEMA MG1, [____].]

Disconnect Switch: Factory mount disconnect switch [in control panel.] [on equipment under provisions of Section 16180.]

ELECTRICAL COMPONENTS

Boxes, Conduit, Wiring, and Devices:	Required by ANSI/NFPA 70.

Fittings: Steel compression type for electrical metallic tubing. Fittings with set screws are acceptable only when a separate grounding conductor is also installed across the joint.

Spare Conductors: Include 10 percent extra conductors and [two] [____] pairs of shielded audio cables in traveling cables. Do not parallel conductors to increase electric current capacity unless individually fused.

Do not use armored flexible metal conduit as a grounding conductor.

Include wiring and connections to elevator devices remote from hoistway and between elevator machine rooms. Provide additional components and wiring to suit machine room layout.

LUBRICATION

Grease Fittings:	For lubricating bearings requiring periodic lubrication.

Grease Cups: Automatic feed type.

Lubrication Points: Visible and easily accessible.

CAR FABRICATION

Frame:	Rigid and braced, rolled or formed steel sections.

Platform: Steel frame, [with fireproofed plywood subflooring assembly,] ready to receive floor finish.

CAB FABRICATION

Flooring: [Sheet steel, non-slip finish.].] [________.]

Walls: [Baked enamel on steel.] [Stainless steel.] [________.]

Base: [Baked enamel on steel] [Stainless steel] [________] [, recessed].

Ceiling: [Plywood.] [________].

Light Fixtures: [Incandescent] [Fluorescent], [downlights.] [________.]

Control and Indicator Panel and Face Plate: [Stainless steel] [________] with [illuminating] call buttons.

Bumper Rail:	[Stainless steel wrapped over wood] [_________], [spaced from wall [____] inches ([____] mm)] [tight to wall]; placed [____] inches ([____] mm) above floor, placed at [rear wall] [and] [side walls].

Certificate Frame and Glazing: [Brass] [Wood] [________] frame, clear [tempered glass] [plastic] attached with [tamper proof] screws.

CAB ENTRANCES

Cab Gate, [Manual] [Power] Operation: [Expanded steel mesh] [________]; [16] [____] gage ([1.5] [____] mm) thick metal, set in steel frame, rigid construction, replaceable shoes. Gate to travel on steel guides, electrically switched to prevent car movement when gate is open.

****** [OR] ******

Cab Door, [Manual] [Power] Operation: [Stainless steel] [Baked enamel on steel] [________]; [16] [____] gage ([1.5] [____] mm) thick metal, rolled profiles, rigid construction.

Cab [Door] [Gate] Frame:	[Stainless steel] [Baked enamel on steel] [Rolled steel channel] [________]; [16] [____] inch ([1.5] [____] mm) thick metal [, welded corner design with smooth invisible joints].

Cab Threshold: [Steel plate] [________] type, [frame width.] [width of platform.]

HOISTWAY ENTRANCES

Hoistway Doors, [Manual] [Power] Operation: [Stainless steel] [Baked enamel on steel] [________]; [16] [____] gage ([1.5] [____] mm) thick metal, of flush sandwich panel construction, rolled profiles, rigid construction. [Top edge of lower bi-parting panel to be load weighted same as elevator car. Bottom edge of upper panel to have structural edge, non-crushing.]

Hoistway Door Frames: [Stainless steel] [Baked enamel on steel] [Rolled steel channel] [________]; [16] [____] gage ([1.5] [____] mm) thick metal, of rolled profiles, welded corner joints.

Door and Frame Construction:	UL [1-1/2] [________] hour fire rating.

Thresholds: [Steel channel] [________] type, [entrance frame width.] [width of hoistway.]

FINISHES

Structural Metal Surfaces: Clean surfaces of rust, oil or grease; wipe clean with solvent; prime two coats.

Machine Room Components:	Clean and degrease; prime one coat, finish with [one coat] [two coats] of enamel.

Galvanized Surfaces:	Clean with neutralizing solvent; prime [one coat.] [two coats.]

Wood Surfaces not Exposed to Public View: One coat primer; [one coat] [two coats] enamel.

[Baked Enamel on Steel: Clean and degrease metal surface; apply one coat of primer sprayed and baked; two coats of enamel sprayed and baked; [________] color [as selected]].

Stainless Steel: [No. 4 brushed.] [________.]

CAR OPERATING PANEL

Provide one flush mounted operating panel per car containing [illuminated] call buttons corresponding to floors served, emergency alarm button, service demand buzzer, and [DOOR OPEN] [DOOR CLOSE] [DOOR STOP] buttons.

Provide protective steel perimeter edging protruding 1/2 inch (12 mm) beyond buttons or other control feature.

Position alarm button where it is unlikely to be accidentally actuated.

Include the following:

Inspection switch.

Light switch.

Additional operating switches for the special features specified.

[Locate a 110 V, 15 A convenience receptacle in service cabinet.]

Car Position Indicators: [________].

LANDING CONTROLS

Landing Buttons:	[Stainless steel] [Illuminating] type, one for originating UP and one for originating DOWN calls, one button only at terminating landings.

Provide [illuminated] call buttons corresponding to direction requested, and [DOOR OPEN] [DOOR CLOSE] [DOOR STOP] buttons.

PART 3 EXECUTION

EXAMINATION

Verify that hoistway, pit, and machine room are ready for work of this section.

Verify hoistway shaft and openings are of correct size and within tolerance.

Verify location and size of machine foundation and position of machine foundation bolts.

Verify that electrical power is available and of the

correct characteristics.

PREPARATION

Arrange for temporary electrical power for installation work and testing of elevator components.

INSTALLATION

Install in accordance with ANSI/ASME A17.1.

Install system components. Connect equipment to building utilities.

Provide conduit, boxes, wiring, and accessories.

Mount machine on vibration and acoustic isolators, on bed plate and concrete pad. Place machine on structural supports and bearing plates. Securely fasten to building supports. Prevent lateral displacement.

Accommodate equipment in space indicated.

Install guide rails using threaded bolts with metal shims and lock washers under nuts. Compensate for expansion and contraction movement of guide rails.

Accurately machine and align guide rails. Form smooth joints with machined splice plates.

Bolt or weld brackets directly to structural steel hoistway framing.

****** [OR] ******

Bolt brackets to [inserts placed in concrete form work] [self drilling expansion shell anchors] that will perform to [four] [____] times the rated pull-out load.

Field Welds:	Chip and clean away oxidation and residue, wire brush; spot prime with two coats.

Coordinate installation of hoistway wall construction.

Install hoistway door sills, frames, and headers in hoistway walls. Grout sills in place. Set entrances in vertical alignment with car openings and aligned with plumb hoistway lines.

[Fill hoistway door frames solid with grout in accordance with Section [________].]

Adjust equipment for smooth and quiet operation.

TOLERANCES

Guide Rail Alignment: Plumb and parallel to each other [within [1/8] [____] inch ([3] [____] mm).] [in accordance with ANSI/ASME A17.1 and ANSI/ASME A17.2.]

Cab Movement on Aligned Guide Rails:	Smooth movement, with no objectionable lateral or oscillating movement or vibration.

FIELD QUALITY CONTROL

Field [inspection and] testing will be performed under provisions of Section [01400.] [________.]

Perform tests required by ANSI/ASME A17.2.

Provide two weeks written notice of date and time of tests.

Supply instruments and execute specific tests.

TESTS BY REGULATORY AGENCIES

Testing by regulatory agencies will be performed at their discretion; documented by the Contractor under provisions of Section [01400.] [________.]

Obtain required permits to perform tests. Perform tests required by [regulatory agencies.] [________.]

Schedule tests with agencies and [Architect/Engineer,] [Owner,] [and] [Contractor] present.

Furnish test and approval certificates issued by jurisdictional authorities.

ADJUSTING

Adjust work under provisions of Section [01700.] [________.]

Adjust for smooth acceleration and deceleration of car.

Adjust automatic floor levelling feature at each floor to achieve [1/4] [____] inch ([6] [____] mm) from flush.

CLEANING

Clean work under provisions of [01700.] [________.]

Remove protective coverings from finished surfaces.

Clean surfaces and components ready for inspection.

PROTECTION OF FINISHED WORK

Protect finished Work under provisions of Section [01500.] [________.]

Do not permit construction traffic within cab after cleaning.

SCHEDULES

Elevator #2 (Service Area): Geared type, machine placed under and to the side of the hoistway, 200 FPM, 3,000 lb capacity, 3 stops, 3 front opening doors.

END OF SECTION