524 CMR, § 8.02 - Requirements
Practical tests and inspections of elevators, as required by M.G.L. c. 143, §§ 62A, 63 and 64, are subject to the following requirements:
(1) All practical tests
and inspections shall be performed by a Massachusetts licensed elevator
mechanic under the supervision of a state elevator inspector.
(2) Pursuant to M.G.L. c. 143, § 64 the
state elevator inspector has discretion to order a practical test or inspection
as he or she deems necessary, independent of other tests and inspections
required by M.G.L. c. 143.
(3) A
periodic inspection required by M.G.L. c. 143, § 64 shall entail a
practical test with no contract-load of all safety devices and equipment to
determine that they function as required by the applicable codes. It is further
required that every fifth periodic inspection shall entail a full-load safety
test. (Refer to
524 CMR 11.00:
Elevators Placed out of Service or Decomissioned for elevators
placed out of service.)
(4) A
biennial inspection required by M.G.L. c. 143, § 64 shall entail a
practical test with no contract-load of all safety devices and equipment to
determine that they function as required by the applicable codes. It is further
required that every third biennial inspection shall entail a full-load safety
test.
(5) Car and counterweight
safeties and governors shall be tested as follows: Governor operated
instantaneous type safeties or sliding type safeties of elevators shall be
tested at rated speed by tripping the governor. The governor shall be
separately tested for tripping speed.
(6) Each governor shall be sealed directly
after testing by the state elevator inspector conducting the test. No person
other than a state elevator inspector shall break or remove the seal.
(7) The application of a safety having no
speed governor shall be obtained by a free drop test which may be made without
detaching the ropes.
(8) Car and
counterweight oil buffers, if any, shall be tested periodically as required by
M.G.L. c. 143, § 64 with no load on the platform at rated car speed, and
with a full contract load every fifth periodic inspection.
(9)
Contract Load Test for
Hydraulic Elevators. A contract load test shall be made of every
hydraulic elevator or dumbwaiter before the equipment is placed in regular
service.
(a) The test shall be made with no
load and a test with full rated load on the car in order to determine the car
speed under each specified condition of loading in both the up and down
directions.
(b) A test check of the
working pressure including, in case of pressure tanks, a check of the accuracy
of the tank pressure gauge.
(c) A
test of the relief valve by-pass pressure shall be made in accordance with ASME
A17.1-2013/CSA B44-13: Safety Code for Elevators and
Escalators.
(d) After the
test of the relief valve setting and system pressure test, the following test
shall be performed and witnessed by a Massachusetts licensed elevator inspector
employed by the Office. Cylinders that are not exposed shall be tested as
follows:
1. Note the amount of oil in the pit
and seal leak collection container.
2. Park the elevator at a convenient location
and open the main line disconnect.
3. Mark the level of the oil in the
tank.
4. Wait at least 15 minutes
and measure the amount that the car has moved down.
5. Compute the volume of oil loss as a result
of the car movement as follows:
V = 3.1416 x R2 x L
Where:
V = volume of oil in cubic inches
R = radius of plunger (in.)
L = movement of car (in.)
6. Compare this to the change in volume in
the pit seal collection container and the tank.
Example: 1 = 7", Plunger diameter = 6"
V = 3.1416 x 9 x 7 = 198 in3
(Note: 231 in3 = 1 U.S. gallon)
7. If necessary,
continue the test to verify the source of the leak.
8. If it is determined that a leak exists
underground, the unit shall immediately be taken out of service.
(10) All escalators will
be tested with contract load at the time of acceptance and will have a brake
data plate installed. All escalators with brake date plates may be tested
thereafter by verifying the brake torque. If the environment in which a unit is
operating makes the stopping capability of the brake questionable, a weight
test will be used to reconfirm the torque setting of the brake.
(11) All existing escalators without brake
data plates or units with more than one driving machine shall be tested with
contract load every fifth periodic inspection and whenever the stopping
capability of the brake is questionable.
(12) All escalators will require annually a
step/skirt performance index test complying with ASME A17.1-2013/CSA B44-13:
Safety Code for Elevators and Escalators.
Notes
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