4.2 SIGNAGE
4.2.1 The lift shall have all necessary signs, capacity plates, and data
signs as per the Local and national Codes and Standards.
4.2.2 A capacity plate indicating the rated load in pounds and kilograms
and operating instructions shall be furnished by the manufacturer and fastened
in a conspicuous place at each landing and in the platform. The capacity
plate and operating instructions will be engraved on non-glare, micro-surface,
white letters on a blue background, self-adhesive, flexible plastic material.
The letters and figures stating the capacity shall not be less than 1/4"
in height.
4.3 LIFT PLATFORM (CAR)
4.3.1 FRAME AND SIDE GUARD PANELS
Aluminum platform frame 42 1/4" high (1073 mm) with steel
insert.
4.3.2 FLOOR
Formed steel with anti-slip sheeting.
4.3.3 GRAB RAIL
A single grab rail with both ends returned to the wall shall be located
on the control wall of the carriage.
4.3.4 CAR OPERATING PANEL
Shall consist of constant pressure illuminated buttons, an emergency stop
switch, alarm button, low oil indicator light, and an ON/OFF key switch
mounted on a removable stainless steel panel (type 304 #4 stainless steel
finish). The key shall only be removable when the key is in the OFF position.
4.5 DRIVE
UNIT AND CONTROLS
The drive unit and controller shall be enclosed in the mast. The controller
and drive unit shall be pre-wired and tested before shipment. Control
circuitry is to be PCB mounted as an integral unit.
4.6 ACME SCREW
1" O.D. , Class 2G, 5 pitch. Self-lubricating nut and screw drive.
4.7 SAFETY DEVICE
Integral "Back up" Safety Nut. In the event of failure of the main drive
nut, the "Back up" Safety Nut will engage and trip a switch to stop the
car automatically.
4.8 NORMAL TERMINAL STOPPING DEVICES
Normal terminal stopping devices shall be electro-mechanically sensed at
the top and bottom of runway to stop the car automatically.
4.9 FINAL LIMIT STOPPING DEVICE
A final stopping device shall be electrically sensed and stop the lift should
the lift pass the upper normal terminal stopping device and remove the electrical
power to the control circuit.
4.11 EMERGENCY MANUAL LOWERING
The top of the Acme Screw must be accessible and equipped such that the
screw may be turned by using a hand crank to lower the platform.
4.12 GUIDE RAILS AND BRACKETS
4.12.1 Steel "T" guide rails and brackets shall be used to guide the platform
and sling.
4.12.2 Guide rail shall form part of the structural integrity of the unit
and be integral to the mast enclosure, ensuring stability and minimum
platform deflection when loaded.
4.13 CAR SLING
4.13.1 Car sling shall be fabricated from steel members with adequate
bracing to support the platform and car.
4.13.2 Guide shoes shall be mounted on the top and bottom of the car sling
to engage the guide rails.
4.13.3 Guide shoes to be solid slipper type.
4.13.4 The car sling arms shall be detachable.
4.14 WIRING
All wiring and electrical connections shall comply with applicable Codes,
insulated wiring shall have flame retardant and moisture proof outer covering
and shall be run in conduit or electrical wire ways.
4.15 FINISH
Electrostatically applied baked polyester powder coating paint finish.
PART 5 - EXECUTION
5.1 EXAMINATION
All site dimensions shall be taken to ensure that tolerances and clearances
have been maintained and meet local regulations.
5.2 PREPARATION
Pre-inspect the construction and service requirements for "Work by Others."
These requirements will be included in drawings, diagrams, engineering
data sheets and special instructions before the work commences
PART 6 - WARRANTY
The lift contractor shall provide three (3) months
free service from date of approval by local authorities. The entire lift
and all component parts shall carry a one (1) year limited warranty. The
warranty shall be for the replacement at no cost of defective parts but
shall not include the labor costs required to replace the defective part
or parts.
PART 7 - OWNER’S INSTRUCTION AND MANUAL
After installation is completed, the contractor
shall instruct the owner in the proper use, operation and maintenance
requirements of the lift. Instructions to also include emergency procedures
and safety rules and precautions. Contractor shall also supply the owner
with an Owner’s Manual detailing the operating, safety, and maintenance
procedures of the lift.
|