NOTE ** This section is based on inclined wheelchair platform lifts manufactured by Garaventa, located at:
NOTE ** 7505 - 134A Street US Mailing Address:
NOTE ** Surrey, BC PO Box 1769
NOTE ** Canada V3W 7B3 Blaine, WA 98231-1769
NOTE ** Tel: (604) 594-0422 or (800) 663-6556
NOTE ** Fax: (604) 594-9915
NOTE ** E-mail: bbell@garaventa.com
NOTE ** The section includes interior electrically operated lifts running on tubular guide rails along standard stairways serving two landings with two stops. Ramps may be manually or electrically operated, with optional safety arms. Also included are self-contained emergency evacuation chairs for providing means of egress for persons unable to walk down stairs. Garaventa also manufactures wheelchair lifts for outdoor applications and wheelchair lifts serving more than two landings; see their Section 14420.
NOTE **
NOTE ** SECTION 14421 - WHEELCHAIR LIFTS, Copyright 1998, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** This section is organized to produce a specification for a single type of lift and one of 3 basic platform types. If more than one type is required, it will be necessary to prepare more than one version of this section or edit the section to indicate which features apply to which lift. It may also be desirable to indicate which basic type each lift is in the list below.
A. Inclined wheelchair platform lifts for interior installation, including:
1. Driving machine housed in a locked cabinet.
2. Platform.
3. Guide rails.
4. Control system, signals, electrical wiring, and devices necessary to provide specified or code-required performance, operation, safety, and security to complete lift assembly.
NOTE ** Delete items not required for project. Add items as required. A support tower might not be needed if the structure can carry the weight of the lift directly. Handrails can be provided by the lift manufacturer if desired.
5. Support towers.
6. Handrails and infill panels.
B. Emergency Evacuation Chairs.
C. Products Furnished but Not Installed:
1. Sleeves, inserts and anchoring devices required for the attachment to substrate surfaces.
1.2 RELATED SECTIONS
A. Division 16 - Electrical service to each lift drive cabinet, including fused disconnect switch.
1. Power supply of 208 or 240 volt AC, single phase.
2. Control voltage circuit breaker rating 20 amps.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not actually required by the text of the edited section.
A. ADAAG - Americans with Disabilities Act, Accessibility Guidelines.
B. ANSI A117.1 - Providing Accessibility and Usability for Physically Handicapped People.
C. ASME/ANSI A17.1 - Safety Code for Elevators and Escalators.
D. ASTM A 312 - Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipe.
E. CAN/CSA-B355-M92 - Lifts for Persons with Physical Disabilities.
F. NFPA 70 - National Electrical Code.
1.4 SUBMITTALS
A. Product Data: Submit manufacturer's product data and installation instructions for the type of wheelchair lift system required. Include the following:
1. Each item, accessory and option required.
2. Equipment capacity, performance, operation and finishes.
3. Controls, safety features and similar information.
4. Drive system and components.
B. Shop Drawings: Submit shop drawings for the type of wheelchair lift system required. Show the following:
1. Dimensioned drawings including plans, elevations and sections to show equipment locations, interfaces with stairway and adjacent substrates, landings served and travel distances.
2. Details of assembly, erection, anchorage and clearance requirements.
3. Loads imposed on building structure at points of support and other similar considerations for the installation of the lift.
C. Samples for Color Selection: Submit manufacturer's color charts showing full range of available colors and finishes for initial color and finish selection of exposed materials.
D. Samples for Verification: When requested, submit samples for verification of selected material colors and finishes for platforms, guide-rails, drive cabinets, signal devices and control stations.
E. Certificates and Permits: Submit inspection/acceptance certificates and operating permits required by governing authorities to allow normal unrestricted use of wheelchair lifts.
F. Operation and Maintenance Manuals: Submit bound manuals for the type of wheelchair lift required, with operating and maintenance instructions, parts listing with sources indicated, recommended parts inventory listing, emergency instructions, warranty duration and similar information.
G. Warranty: Submit manufacturer's standard wheelchair lift warranty.
1.5 QUALITY ASSURANCE
A. Manufacturers Qualifications: A company with not less than twenty (20) years of experience in the design, fabrication, installation and maintenance of inclined platform lifts of the type, quality and character required.
NOTE ** If the following requirement is important, insert the maximum distance in the blank.
1. Manufacturer shall have a service office and warehouse of parts within a ______ mile radius of project site.
B. Installer Qualifications: The lift manufacturer or a qualified, authorized agent of the lift manufacturer with not less than ten (10) years of experience installing and servicing inclined wheelchair platform lifts of the type required.
C. Design Requirements: Wheelchair lift systems shall be certified by a licensed Professional Engineer experienced in the design of inclined wheelchair platform lifts in accordance with applicable codes.
D. Regulatory Requirements: Materials and construction shall comply with the current edition of the following codes, standards and guidelines.
NOTE ** Delete any of the following regulations that do not apply to this project. If necessary, verify current edition date.
1. ASME/ANSI A17.1 "Safety Code for Elevators and Escalators", Part XX (Commercial and Public Buildings).
2. CAN/CSA-B355-M92 "Lifts for Persons with Physical Disabilities."
3. ANSI A117.1, "Providing Accessibility and Usability for Physically Handicapped People."
4. NFPA No 70, National Electric Code.
5. ADAAG Americans with Disabilities Act Accessibility Guidelines.
6. Provide CSA or UL tested and labeled mechanical and electrical equipment.
NOTE ** If the local building code contains additional requirements relating to wheelchair lifts, enter the name of the local building code in the blank.
7. ___________________ Building Code.
1.6 DELIVERY, STORAGE AND HANDLING
A. Provide wheelchair lift materials, components and equipment wrapped, boxed, or crated to protect factory finishes.
B. Deliver, store, protect and handle wheelchair lift materials and components in accordance with the manufacturer's recommendations to prevent damage, soiling or deterioration.
1.7 PROJECT CONDITIONS
A. Field verify installation dimensions and conditions. Show modifications required to accommodate the required wheelchair lift on shop drawings.
B. Arrange for required inspections and tests. Obtain inspection/acceptance certificates and initial operating permits required by local governing authorities and turn over to the Owner upon acceptance of the work.
NOTE ** Delete one of the following 2 paragraphs.
1. Costs of inspections, tests and permits will be paid for by Owner.
2. Costs of inspections, tests and permits will be paid for by installer.
1.8 WARRANTY
A. Warranty: Manufacturer shall warrant the wheelchair lift materials and workmanship for one year following completion of the installation. Warranty shall include replacement of defective parts not due to ordinary wear during use or improper use.
NOTE ** Extended warranty is available for 3-year and 5-year periods, provided the maintenance agreement specified below is also included for the same time period. Edit the time period if less than 5 years. Delete extended warranty if not required. Maintenance agreement may be included even if extended warranty is not.
B. Extended Warranty: Manufacturer shall warrant the wheelchair lift materials and workmanship for five years following completion of the installation and execution of a preventative maintenance program agreement for five years. Warranty shall include replacement of defective parts not due to ordinary wear during use or improper use.
1.9 OWNER'S INSTRUCTIONS
A. Upon completion of the installation, instruct Owner's designated personnel in the proper use, operation and daily maintenance requirements of wheelchair lifts. Review emergency provisions, including access and provisions to be followed in operation or other building emergency conditions. Train Owner's personnel in procedures to follow in identifying sources of operational failures or malfunctions.
B. Coordinate preventative maintenance program service schedule and requirements with Owner's designated personnel.
1.10 MAINTENANCE
NOTE ** Delete this article entirely if maintenance service is not included in the Contract Sum. This service can be contracted separately. Coordinate with requirements for extended warranty above.
A. Preventative Maintenance Program: Provide preventative maintenance of wheelchair lift units. Maintenance service shall be carried out not less than every six months. Correct operational imperfections and restore or replace defective or deteriorated components and finishes. Use only genuine parts, components, and supplies as used in the manufacture and installation of original equipment.
NOTE ** Delete all but one of the following 3 paragraphs. Coordinate maintenance period with requirements for extended warranty above (maintenance period and warranty period should match). Edit maintenance period if required.
1. Maintenance program period: 12 months following completion of the installation.
2. Maintenance program period: 36 months following completion of the installation.
3. Maintenance program period: 60 months following completion of the installation.
4. Include the following services:
a. Clean and lubricate as required. Supply required lubricants and touch-up paint.
b. Check electrical and mechanical operation and make minor adjustments as necessary.
c. Recommend repairs or replacement of parts needed to ensure reliable operation.
d. Test operation and safety systems.
e. Other services as required.
5. Provide regular and 24 hour emergency callback service as part of the maintenance service.
B. Maintenance service shall be performed solely by the manufacturer or an authorized manufacturer's representative and shall not be assigned or transferred to any other agent, party or subcontractor.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Provide products manufactured by Garaventa, P.O. Box 1769, Blaine WA 98231-1769; or 7505-134A Street, Surrey, BC V3W7B3; ASD. Tel: (800) 663-6556 or (604) 594-0422, Fax: (604) 594-9915, E-mail: bbell@garaventa.com.
2.2 WHEELCHAIR LIFTS
A. General: Provide manufacturer's standard pre-engineered lift system that complies with specified requirements. Provide Garaventa Stair-Lift products as indicated in Garaventa "Design and Planning Guide" and as specified for complete inclined stairway wheelchair lift systems.
B. Wheelchair Lift: Garaventa Stair-Lift Model GSL-2:
1. Configuration: An inclined wheelchair platform lift that travels on square rails along the edge of stairways.
2. Operation: Independent or attendant operation, keyed controlled constant pressure switches at platform controls and landing call stations.
3. Rated load: 495 lbs (225 kg); limited to one person, with minimum five times safety factor.
4. Rated speed: 20 ft (6 meters) per minute.
5. Number of Stops: 2.
NOTE ** Maximum incline is 40 degrees, measured on the mean. Delete one of the following 2 paragraphs. If the incline is to be specified, enter the angle in the blank.
6. Incline: As indicated on drawings.
7. Incline: ______ degrees.
NOTE ** Delete one of the following 2 paragraphs. Verify that electrical power characteristics required by manufacturer are compatible with building power supply and coordinate with power supply specified under Related Sections.
8. Power supply: 208 volt AC, single phase, 60 hertz.
9. Power supply: 240 volt AC, single phase, 60 hertz.
10. Operating controls voltage: 24 volt DC.
NOTE ** Delete all but one of the following 3 platform types. Type S has manually operated ramps. Type SP and SPC have electrically operated ramps and folding platform. In addition, Type SPC has electrically operated safety arms. Type S can be upgraded to SP after installation; SP be upgraded to SPC.
C. Platform: "Type S"; manual folding and unfolding platform and loading ramps.
D. Platform: "Type SP"; electrically operated folding and unfolding platform and ramps.
E. Platform: "Type SPC"; electrically operated folding and unfolding platform, ramps and safety arms.
NOTE ** Delete one of the following 2 paragraphs. Custom widths and longer ramps are available. Insert dimensions in blank.
1. Width: 30 inches (760 mm).
2. Width: __________________.
3. Platform length:
NOTE ** Delete all but one of the following 3 paragraphs. The first (1220) is the minimum US-ADA dimension.
a. 1220 Platform: 48 inches (1220 mm).
b. 1050 Platform: 41 inches (1050 mm).
c. 900 Platform: 35.4 inches (900 mm).
4. Provide non-slip platform deck and ramp surfaces.
5. Ramps: Provide loading ramps 6 inches (150 mm) high, when folded, to prevent accidental wheelchair roll-off.
a. Loading ramps shall be mechanically and electrically interlocked during travel, to prevent lift travel unless ramps are raised and to prevent lowering ramps during lift travel.
NOTE ** Delete the following 2 paragraphs for Type S. Retain the first paragraph for Type SP, the second for Type SPC.
b. Ramps: Loading ramps raised and lowered electrically, only when platform is unfolded and at rest at a landing.
c. Ramps: Loading ramps raised and lowered electrically, operated in sequence with the correct safety arm, only when the platform is unfolded and at rest at a landing.
NOTE ** Delete the following paragraph if side-loading platform is not required. Side-loading platform is often required when landing clearances are limited. Delete for Type S platform.
d. Side-load platform: Provide 6 inch (150 mm) high side loading ramp for passenger loading access from virtually any direction. Sideload ramp motor shall not be mounted on platform surface area.
6. Kick-plate: 6 inches (150 mm) high, functions as vandal resistant cover to protect platform control switches when in folded position.
NOTE ** The following safety arms are optional on Type S and SP platforms. Delete if not desired, or if Type SPC is used.
7. Safety arms: "Bar-Guard" manually operated safety arms at each end of the platform.
NOTE ** Delete the following paragraph for Type S and SP platform - standard on SPC.
8. Safety arms: Provide electrically operated safety arms at each end of the platform.
NOTE ** The following grab rails are optional on Type S and SP platforms; delete if not desired.
9. Grab-rails: Provide passenger grab-rail installed on the platform.
10. Clearances - direct mounted: The folded platform shall not protrude more than 13.5 inches (341 mm) from inner wall. (Variations may apply when technically infeasible). When unfolded and in use, platform shall not protrude more than 39.5 inches (1005 mm) from inner wall.
11. Carriages: Provide upper and lower carriages for supporting the platform on the guide-rails and guiding the platform up and down the guide-rail tube system.
12. Platform operation:
a. A smooth start/stop shall be provided when entering/departing landing zone.
b. Platform shall negotiate vertical and horizontal bends and transitions smoothly with one unit, without transfer.
c. Platform carriages shall be equipped with nylon rollers that permit the carriage to run smoothly on the guide-rail.
13. Platform travel safeties: Stop the lift when travelling in folded or unfolded position and an obstruction causing four pounds or more pressure is met. Provide the following sensing devices:
a. Under-platform touch-sensitive plate.
b. Under-hanger touch-sensitive plate.
c. Multi-directional touch-sensitive ramps.
14. Platform parking: When the lift is not being used, the platform shall be parked in the folded position away from the stairway at the lower landing.
NOTE ** The following paragraph covers a non-standard option for Type S platform. Delete if not desired.
15. Security platform lock: Manual security lock utilizing operation key provided by the manufacturer to prevent unauthorized unfolding of platform.
NOTE ** The following paragraph covers a non-standard option for Type SP and SPC platforms. Delete if not required, or if Type S is used.
16. Security platform lock: Solenoid security lock operated from the call station to prevent unauthorized unfolding of platform. Automatically unlocks platform when unfolding platform from the call station.
NOTE ** The following 3 paragraphs cover options not standard. Delete if not desired.
17. Fold-down seat: Manual fold-down seat complete with armrests and safety belt mounted upon the platform.
18. Platform light: Deck light platform area illumination. An integral lamp which activates automatically when the platform is in the unfolded position. Provided in combination with the fold-down seat.
19. Platform storage: Platform shall be able to be stored in the "park beyond" position at the upper landing.
2.3 OPERATING CONTROLS AND SIGNALS
A. Control System: Provide key-operated switch at each control station that permits "up" and "down" switches to become effective only when the key is in the "on" position. Controls shall comply with requirements of ANSI A117.1 and ASME/ANSI A17.1.
1. Platform controls:
a. Key switch, constant pressure directional paddle switch, emergency stop button, and plug-in extension control for attendant or passenger operation.
b. Safe-to-go Ready Lamp indicating safety circuits are clear and lift is ready to operate.
2. Call station controls: Provide at each landing:
NOTE ** Delete all but one of the Upper Landing paragraphs, and all but one of the Lower Landing paragraphs.
a. Upper landing: Mounted on tubular guide-rails adjacent to Drive Cabinet.
b. Upper landing: Wall mounted.
c. Upper landing: Tower mounted.
d. Upper landing: Mounted on Drive Cabinet.
e. Lower landing: Wall mounted in surface-mounted fitting as indicated.
f. Lower landing: Wall mounted in recessed flush-mount fitting as indicated.
NOTE ** Delete the following 2 paragraphs if Type S platform is used. Retain first paragraph for Type SP and second paragraph for Type SPC.
i. Constant pressure switch to fold and unfold the platform and to operate loading ramps.
j. Constant pressure switch to fold and unfold the platform and to operate the loading ramps and safety arms.
NOTE ** Delete the following call station options if not required.
3. Call station control options:
a. Constant pressure attendant call switch in call station.
b. Constant pressure emergency stop switch in call station.
4. Attendant operation: Provide manufacturer's standard plug-in, hand-held attendant control unit with each wheelchair lift required.
a. Key switch, constant pressure directional paddle switch and emergency stop button.
b. Provide a removable lockout cover on the platform control station directional paddle switch when required by local governing authorities.
5. Leveling tolerance: Provide terminal stopping system at each extreme of travel and adjust to maintain level tolerance within 1/2 inch (13 mm) regardless of load size or direction of travel.
6. Limit switches: Provide at both top and bottom extremes of travel.
7. Obstruction sensors: Provide sensors to cut power and stop unit in the event of contact with foreign object within pathway of travel. Comply with applicable codes.
8. Safety device: Provide safety device to stop platform in event of overspeed condition or breakage or slackening of suspension of support means.
9. Manual lowering: Provide means to manually lower platform in case of malfunction or power loss.
10. Manual folding: Provide means to manually fold platform in case of malfunction or power loss.
NOTE ** Delete any of the following safety options not required. The AV option may be required by local building authorities; the LEA and ERA options comply with ANSI A17.1, Rule 2000.11.
B. Safety Signal Options:
1. Audio-Visual Alert (AV): Provide wall-mounted Audio-Visual Pedestrian Alert devices within designated stairways to alert stairway pedestrians that the wheelchair lift is being operated. Device shall contain a tri-octave audio chime and flashing amber strobe which is activated when the platform is in motion or unfolded in a stationary position.
2. Local Emergency Alarm (LEA): Provide an emergency alarm system from the platform for emergency assistance for the passenger. Pressing the platform control emergency stop button shall sound an audible signal in the vicinity of the drive box and at a receiver console. Include backup battery operation to ensure help is summoned in a power outage.
3. Emergency Remote Alarm (ERA) - radio transmitted: Provide an emergency remote alarm system from the platform for emergency assistance for the passenger. Pressing the platform control emergency stop button shall transmit a signal to a receiver console, which shall provide an audible alarm and a visible light indicator that help is needed. Include backup battery operation to ensure help is summoned in a power outage.
NOTE ** Delete one of the following 2 paragraphs. If known, enter the location of the receiver console in the blank.
a. Locate receiver console where indicated.
b. Locate receiver console at _____________.
C. Fire Service Controls: Provide fire service to ensure lift is not used for emergency egress and does not impede emergency egress stairway traffic.
1. When fire alarm is activated, lift shall not operate if platform is folded and key is turned off.
2. If the lift is in use when fire alarm is activated, the lift shall travel only in one direction - towards the landing that is designated as the emergency exit.
2.4 DRIVE SYSTEM
A. Drive System Components: Provide wheelchair drive system components, including the motor, gearbox and controller, contained within a locked drive system cabinet.
1. Drive system cabinet: Steel cabinet, 63 inches (1600 mm) high by 11 inches (280 mm) wide by 7.9 inches (200 mm) deep. Located at the top landing of the wheelchair lift system; locked to prevent unauthorized access.
2. Drive system motor: 1 HP/200/240 volts AC.
a. Fit motor with an electrically released spring-set brake to stop automatically at landings.
3. Provide handwheel for emergency drive system operation during power failure.
4. Gearbox: Drive system features a toothed belt drive from the motor to a sealed lubrication gearbox with 64:1 reduction. The gearbox output shaft drives the cog which engages the roller chain.
5. Power supply: As indicated above. Locate disconnect and thermal overload device on the side of the drive cabinet.
2.5 RAIL SYSTEM
NOTE ** Select support tower from the following two paragraphs; delete both paragraphs if support tower not required.
A. Support Tower: Structural steel, self-supporting, free-standing support structure.
B. Support Tower: Stainless steel, self-supporting, free-standing support structure.
NOTE ** Verify structural conditions for tower. The following description is fairly normal for an existing structure, but does have structural impact.
1. Provide tower framing that requires vertical-load support only at base and lateral support only at landing levels.
C. Guide-Rails: Three 2-1/2 inch (65 mm) square tubular steel rails.
1. Tubes shall run along edge of stair flights and horizontal landings throughout the length of travel.
2. Provide direct mount vertical steel distance struts, spaced as required, to maintain vertical separation distance of guide-rail tubes. Weld guide-rails to distance struts.
NOTE ** The following three paragraphs cover handrails that are optional. Coordinate with other construction and with stair railings specified elsewhere.
D. Handrails: Provide additional handrails in compliance with code at the standard handrail height for pedestrian use, in same plane as guide-rail tubes. Match material and finish of guide-rail tube.
E. Matching Handrails: Provide matching handrails at opposite side of stairway and for other areas of the building where indicated. Match material and finish of guide-rail tube.
F. Infill panels: Provide infill panels at locations indicated.
NOTE ** Delete all but one of the following panel descriptions.
1. Panels: Woven wire mesh, 2 inch (50 mm) square, welded to a 1 inch (25 mm) angle frame. Painted finish matching guide-rail system.
NOTE ** Baked powder coating is standard. Zinc-plated and stainless steel finishes are optional and would be used for exterior installations.
A. All Exposed Steel Members: Electrostatically applied baked powder coating.
B. All Exposed Steel Members: Electrostatically applied baked powder coating paint finish, unless otherwise indicated.
NOTE ** Delete all but one of the following seven color paragraphs. Consult manufacturer on availability of custom colors.
1. Color: As selected by the Architect from manufacturer's full range, standard and non-standard.
2. Color: Custom color to be selected from Garaventa.
NOTE ** The first two colors in the following paragraphs are standard; the next three are optional colors.
3. Color: Cool Grey.
4. Color: Sahara Sand.
5. Color: Evening Rose.
6. Color: Teal Green.
7. Color: Pacific Blue.
NOTE ** Use the following paragraph if all components are to be stainless steel. Delete if standard baked enamel finish is acceptable, or if only certain components are to be stainless steel.
C. All Exposed Steel Members: Electro-polished finish stainless steel.
NOTE ** Use the following paragraph if only certain components are to be stainless steel, with the remainder either baked enamel or zinc-coated. The following components can be stainless for an exterior installation.
D. Stainless Steel Finish: Electro-polished; use for the following components:
NOTE ** Delete any components not applicable. Add others as required.
1. Drive cabinet.
2. Under-platform touch sensitive plate.
3. Guide-rail distance struts.
4. Towers.
5. Call stations.
6. Call station pedestals.
7. Audio/visual alert signals.
NOTE ** The following emergency evacuation chairs are not part of the wheelchair lift, but provide means of egress for people with a disability when the lift cannot be used, such as during a fire when elevators also cannot be used. The Garaventa Evacu-Trac is a device that allows even a petite attendant to safely move a person weighing up to 360 pounds down stairways. The chair, designed with two long, steel-reinforced rubber tracks, an overspeed governor, and a release brake, is extremely stable and secure on stairs. It allows a person with a disability to escape the building, rather than having to wait to be rescued.
2.7 EMERGENCY EVACUATION CHAIRS
A. Emergency Evacuation Chairs: Housed in steel storage cabinet located adjacent to each landing floor above ground level. Comply with the following:
1. Type: Garaventa Evacu-Trac.
2. Capacity: 1 person, 360 pounds (163 kg) with minimum 1.5 times safety factor.
3. Approval: Tested and approved by recognized independent testing lab.
4. Maximum stair angle: 40 degrees.
5. Descending speed: Maximum 4 feet (1.2 m) per second.
6. Speed governor: Piston brake.
7. Stop brake: Manual mechanical brake, attendant must release for descent.
8. Storage: Steel cabinet, Plexiglass door panel.
9. Cabinet dimensions (approximate): 21.5 inches (545 mm) wide x 11 inches (275 mm) high x 44.5 inches (275 mm) deep.
PART 3 EXECUTION
3.1 EXAMINATION
A. Before starting wheelchair lift installation, inspect substrates and supporting structures as constructed, verify critical dimensions, and examine conditions under which wheelchair lift work is to be installed.
B. Do not proceed with wheelchair lift installation until unsatisfactory conditions have been corrected in a manner acceptable to the installer.
C. Installation constitutes acceptance of existing conditions and responsibility for satisfactory performance.
3.2 INSTALLATION
A. General: Comply with manufacturer's instructions and recommendations for work required during installation.
NOTE ** Delete one of the following 2 paragraphs.
1. Comply with requirements of ASME/ANSI A17.1 for inclined wheelchair platform lift design, materials, methods of construction and installation.
2. Comply with requirements of CAN/CSA-B355-M92 for inclined wheelchair platform lift design, materials, methods of construction and installation.
3. Comply with the National Electrical Code for electrical work required during installation.
4. Perform work with competent, skilled workers under the direct control and supervision of the wheelchair lift installer's experienced foreman.
B. Supply in ample time for installation by other trades, inserts, anchors, bearing plates, brackets, supports, and bracing including all setting templates and diagrams for placement.
C. Coordination: Coordinate wheelchair lift work with the work of other trades, for proper time and sequence to avoid construction delays.
D. Operation: Install drive machines, guide-rails, controls, car operating controls and all equipment and accessories to provide a quiet, smoothly operating installation, free from side sway, oscillation or vibration.
E. Alignment: Coordinate platform travel and positioning, for accurate alignment and minimum clearance between platform and floor level at each stop and landing served.
F. Leveling: Adjust stops for accurate leveling at each landing, within specified tolerances.
G. Lubricate operating parts of each lift, including drive system mechanisms, guide-rail systems, platform ramps, safety devices, and hardware.
3.3 FIELD QUALITY CONTROL
A. Acceptance Testing: Upon completion of the wheelchair lift installation and before permitting use of lift system, perform acceptance tests as required and recommended by code and governing authorities.
1. Advise Owner and governing agencies in advance of dates and times tests are to be performed on the wheelchair lift.
B. Cycle Testing: Test operate unloaded lift, continuously between lowest and highest landings served. Perform complete lift operation cycles, including ramp operation from the platform controls and call stations for a minimum period of 30 minutes. Adjust controls, stops and other devices for accurate landings and operation of system after completion of test.
C. Make necessary adjustments of operating devices and equipment to ensure wheelchair lift operates smoothly and accurately.
3.4 CLEANING
A. Before final acceptance, remove protection from finished surfaces and clean surfaces in accordance with manufacturer's recommendations for type of material and finish provided.
B. At completion of wheelchair lift work, remove tools, equipment, and surplus materials from site. Clean work areas. Remove trash and debris.
