Wash. Admin. Code § 296-56-60193 - Car specifications
(1) You
must make sure the car shall be built to the following specifications:
(a) The car platform is not greater than
thirty inches on either side (6.25 square feet area).
(b) The car frame and platform must be of
steel or sound seasoned wood construction and be designed with a safety factor
of not less than four for metal and six for wood, based on a maximum capacity
of two hundred fifty pounds.
(c)
All frame members must be securely bolted, riveted or welded and braced. If
bolted, lock washers or lock nuts must be used.
(d) Where wooden frame members are bolted,
large washers or metal plates must be used to minimize the possibility of
splitting or cracking the wood.
(2) You must enclose the sides of the car by
a minimum of two safety guard rails with the top rail not less than thirty-six
inches nor more than forty-two inches from the car floor. Rails must sustain a
horizontal thrust of two hundred fifty pounds. If solid material is used it
must be smooth surfaced and not less than one-half inch thickness, if wood; not
less than sixteen gauge thickness, if steel; and must be constructed from the
car floor to a height of not less than three feet.
(a) Where the hoistway is not enclosed on the
entrance side of the car, a self-locking or drop bar gate must be provided. The
car gate may be of the folding type, horizontally swung, provided it swings
into the car enclosure. Drop bar gates must be of two bar construction,
parallelogram type, and conform to requirements specified for car guard
rails.
(b) The car gate must drop
into locking slots or be provided with a positive locking type latch capable of
withstanding two hundred fifty pounds horizontal thrust.
(3) You must make sure every car has a
substantial protective top. The front half may be hinged. The protective top
may be made from number nine U.S. wire gauge screen, eleven gauge expanded
metal, fourteen gauge sheet steel, three-quarter inch or heavier plywood. If
made of wire screen or metal, the openings must reject a one-half inch diameter
ball.
(4) You must make sure every
car has a proper rack to hold the balance weights.
(5) You must conspicuously post a sign within
the car bearing the following information :
(a) Maximum capacity one person;
(b) Total load limit in pounds;
(c) For authorized personnel use
only.
(6)You must equip
every car with a spring loaded foot brake which:
(a) Operates independently of the car
safeties;
(b) Operates in both
directions and will stop and hold the car and its load;
(c) Locks the car in its position
automatically whenever the operator releases the pressure on the foot
pedal.
(7) You must
equip every car with a car safety device which:
(a) Applies to the sides of the main guide
rails;
(b) Stops and holds the car
and its load immediately when the hoisting rope breaks.
(8) You must make sure every car has a
minimum clearance of six feet six inches from the top of the car platform to
the bottom edge of the crosshead or any other obstruction.
(9) You must provide and firmly attach a tool
box with minimum dimensions of four inches wide by sixteen inches long by three
inches in depth to the car structure.
Notes
Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-064 (Order 86-02), § 296-56-60193, filed 1/17/86; 85-01-022 (Order 84-24), § 296-56-60193, filed 12/11/84.
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