Dewey House - Spec Division 1414420-1
Specifications – Division 14
for:
Renovations to Dewey House
Smith College
Northampton, MA
Prepared by:
Kraus Fitch Architects, Inc.
110 Pulpit Hill Road
Amherst, MA 01002
lfitch@krausfitch.com
413-549-5799
April 6, 2012
DIVISION 14 ONLY
14420-1
Division 14 Conveying systems
SECTION 14420: WHEELCHAIR LIFT
PART 1 GENERAL
1.01 SECTION INCLUDES
A. One Wheelchair Lift.
B. Landing doors with frames, hardware, and electro-mechanical interlock.
C. Machines, controllers, and fitments.
1.02 PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION
A. Section 06100: Rough Carpentry: construction of hoistway enclosure.
1.03 RELATED SECTIONS
A. Section 03000: Concrete.
B. Section 04100: Masonry.
C. Section 06100 - Rough Carpentry: construction of hoistway enclosure and blocking
for lift attachment.
D. Section 09260 - Gypsum Board Assemblies: Gypsum board shaftway.
E. Division 16 - Electrical: Dedicated telephone service and wiring connections.
F. Division 16 - Electrical: Lighting and wiring connections at top of shaft.
G. Division 16 - Electrical: Electrical power service and wiring connections.
1.04 REFERENCES
A. ASME A17.1 - Safety Code for Elevators and Escalators.
B. ASME A17.5 - Elevator and Escalator Electrical Equipment.
C. ASME A18.1 - Safety Standard for Platform Lifts and Stairway Chairlifts.
D. CSA B44 - Safety Code for Elevators and Escalators.
E. CSA B355 - Lifts for Persons with Physical Disabilities.
F. ICC/ANSI A117.1 - Accessible and Usable Buildings and Facilities.
G. NFPA 70 - National Electric Code.
H. CSA - National Electric Code.
1.05 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's data sheets on each product to be used, including:
C. Submit manufacturer's installation instructions, including preparation, storage and
handling requirements.
D. Include complete description of performance and operating characteristics.
E. Show maximum and average power demands.
F. Shop Drawings:
G. Show typical details of assembly, erection and anchorage.
H. Include wiring diagrams for power, control, and signal systems.
I. Show complete layout and location of equipment, including required clearances and
coordination with shaftway.
J. Selection Samples: For each finished product specified, provide two complete sets of
color chips representing manufacturer's full range of available colors and patterns.
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1.06 QUALITY ASSURANCE
A. Manufacturer Qualifications: Firm with minimum 10 years experience in
manufacturing of vertical platform lifts, with evidence of experience with similar
installations of type specified.
B. Installer Qualifications: Licensed to install equipment of this scope, with evidence of
experience with specified equipment. Installer shall maintain an adequate stock of
replacement parts, have qualified people available to ensure fulfillment of
maintenance and callback service without unreasonable loss of time in reaching
project site.
1.07 REGULATORY REQUIREMENTS
A. Provide platform lifts in compliance with:
1. ASME A18.1 - Safety Standard for Platform Lifts and Stairway Chairlifts.
2. ASME A17.1 - Safety Code for Elevators and Escalators.
3. ASME A17.5 - Elevator and Escalator Electrical Equipment.
4. NFPA 70 - National Electric Code.
B. Provide platform lifts in compliance with:
1. CSA B355 - Lifts for Persons with Physical Disabilities.
2. CSA B44.1/ASME A17.5 - Elevator and Escalator Electrical Equipment.
3. CSA - National Electric Code.
1.08 DELIVERY, STORAGE, AND HANDLING
A. Store products in manufacturer's unopened packaging until ready for installation.
B. Store components off the ground in a dry covered area, protected from adverse
weather conditions.
1.09 PROJECT CONDITIONS
A. Do not use wheelchair lift for hoisting materials or personnel during construction
period.
1.10 WARRANTY
A. Warranty: Provide a two year limited warranty for wheelchair lift materials and
workmanship.
B. Extended Warranty: Provide an extended 5-YEAR manufacturer's warranty covering
the wheelchair lift materials and workmanship for the following additional extended
period beyond the initial two year warranty. Preventive Maintenance Agreement
required.
PART 2 PRODUCTS
2.01 MANUFACTURERS
A. Acceptable Manufacturer: Garaventa Lift, which is located at: 7505 134 A St. ;
Surrey, BC; Canada V3W 7B3; Toll Free Tel: 800-663-6556; Tel: 604-594-0422;
Email: request info (bramsay@garaventalift.com); Web: www.garaventalift.com
B. Requests for substitutions will be considered in accordance with provisions of
Section 01600.
2.02 SHAFTWAY VERTICAL WHEELCHAIR LIFT
A. Capacity: 750 lbs (340 kg) rated capacity.
B. Mast Height:
1. Model GVL SW -144; 147 inches (3734 mm) maximum lifting height.
C. Nominal Clear Platform Dimensions:
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1. Mid-Size: 39 inches (992 mm) by 60 inches (1522 mm).
D. Platform Configuration:
1. On/Off Same Side Entry/Exit: One front opening only.
E. Landing Openings:
1. Lower Landing: Door.
2. Upper Landing: Door.
F. Door Construction:
1. Fire Rated Doors: 1-1/2 hour B label rating. Pre-hung, constructed of 16
gauge (1.5 mm) steel, with a vision panel, delayed action door closer, pull
handle and integrated interlock. Doors mount flush to the inside wall of the
shaftway.
2. Door Width:
a. Lower Landing:
1) 35-5/8 inches (905 mm).
b. Upper landing:
1) 35-5/8 inches (905 mm).
G. Power Door Operator: Automatically opens the door/gate when platform arrives at a
landing. Will also open at landing by pressing call button or by gently pulling door.
1. ADA Compliant and obstruction sensitive.
2. Low voltage, 24 VDC with all wiring concealed.
3. Provide power operators at the following locations:
a. Lower Landing: Door.
b. Upper landing: Door or Gate.
H. Lift Components:
1. Machine Tower: Custom aluminum extrusion.
2. Base Frame: Structural steel tubing.
3. Platform Side Wall Panels: 16 gauge (1.5 mm) galvanized steel sheet. Custom
aluminum extrusion tubing frame.
I. Base Mounting and Access to Lift at Lower Landing:
1. Pit Mount: Lift to be mounted in pit with dimensions to meet manufacturers
requirements for the platform size specified. Pit construction shall be in
accordance to Section 03300.
J. Hydraulic Drive:
1. Drive Type: Chain hydraulic.
2. Emergency Operation: Manual device to lower platform and auxiliary battery
power to raise or lower platform.
3. Safety Devices:
a. Slack chain safety device.
b. Shoring device.
4. Travel Speed: 17 fpm (5.2 m/minute).
5. Motor: 3.0 hp (2.2 kW); 24 volts DC.
6. Power Supply:
a. 120 VAC single phase; 60 Hz on a dedicated 15 amp circuit.
b. Powered by continuously charged battery system.
K. Platform Controls: 24 VDC control circuit with the following features.
1. Direction Control: Illuminated tactile and constant pressure buttons with dual
platform courtesy lights and safety light.
2. Illuminated and audible emergency stop switch shuts off power to lift and
activates audio alarm equipped with battery backup.
3. Keyless operation.
4. Emergency Telephone: Platform shall be equipped with ADA compliant
autodialer telephone with a stainless steel faceplate. Telephone shall operate
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in the event of power failure. A telephone line shall be supplied to the lift site
as specified under Division 16.
5. Arrival Gong and Digital Floor Display.
L. Call Station Controls: 24 VDC control circuit with the following features.
1. Direction Control: Illuminated and tactile constant pressure buttons with
illuminated "in-use" indicator.
2. Safety indicator lamp.
3. Keyless operation.
4. Call Station Mounting:
a. Lower:
1) Wall mounted recessed.
b. Upper:
1) Wall mounted recessed.
M. Safety Devices and Features:
1. Grounded electrical system with upper, lower, and final limit switches.
2. At all landings a solenoid activated interlock shall electrically monitor that the
door is in the closed position and the lock is engaged before lift can move
from landing.
3. Electrical disconnect shall shut off power to the lift.
N. Finishes
1. Aluminum Extrusions: Champagne anodized finish.
2. Ferrous Components: Electrostatically applied baked powder finish, fine
textured.
a. Color: Satin Grey, RAL 7030.
PART 3 EXECUTION
3.01 EXAMINATION
A. Do not begin installation until substrates have been properly prepared.
B. Verify shaft and machine space are of correct size and within tolerances.
C. Verify required landings and openings are of correct size and within tolerances.
D. Verify electrical rough-in is at correct location.
E. If substrate preparation is the responsibility of another installer, notify Architect of
unsatisfactory preparation before proceeding.
3.02 PREPARATION
A. Clean surfaces thoroughly prior to installation.
B. Prepare surfaces using the methods recommended by the manufacturer for achieving
the best result for the substrate under the project conditions.
3.03 INSTALLATION
A. Install lifts in accordance with applicable regulatory requirements including ASME
A 17.1, ASME A 18.1 and the manufacturer's instructions.
B. Install lifts in accordance with applicable regulatory requirements including CSA
B355, and manufacturer's instructions.
C. Install system components and connect to building utilities.
D. Accommodate equipment in space indicated.
E. Startup equipment in accordance with manufacturer's instructions.
F. Adjust for smooth operation.
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3.04 FIELD QUALITY CONTROL
A. Perform tests in compliance with ASME A 17.1 or A18.1 and as required by
authorities having jurisdiction.
B. Perform tests in compliance with CSA B355 and required by authorities having
jurisdiction.
C. Schedule tests with agencies and Architect, Owner, and Contractor present.
3.05 PROTECTION
A. Protect installed products until completion of project.
B. Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION 14420