3. MARCO TEÓRICO
7.2. PROPUESTA DE SOLUCIONES A LOS PROBLEMAS AMBIENTALES
Routine inspections and tests of escalators and moving walks shall be made at intervals not longer than 6 months.
3.8.2 Inspection and test requirements
Routine inspections and tests shall include the following: (a) General fire protection
(b) Geometry (c) Handrails
(d) Entrance and egress (e) Lighting
(f) Caution signs (g) Combplate (h) Deck barricade
(i) Steps and treadway (j) Operating devices (k) Skirt obstruction devices
(l) Stopped handrail device (m) Rolling shutter device
(n) Speed (o) Balustrades
(p) Ceiling intersection guards (q) Skirt panels
(r) Outdoor protection
3.8.3 Periodic inspection and tests of escalators and moving walks/travelators/autowalks (a) Inspection and test periods
In addition to the routine, inspection and test shall be performed at intervals not longer than 1 year.
(b) Machine space
The machine space access, receptacles, operation, and conditions shall be inspected. (c) Stop switch
Plate
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(d) Controller and wiring
Controller and wiring shall be inspected. (e) Drive machine and brake
The drive machine and brakes shall be inspected and tested including test of the brake torque.
(f) 1008.2e speed governor
The mechanical speed governor, if required, shall be tested by manually operating the trip mechanism.
(g) Broken Drive Chain Switch and Disconnected Motor Safety Device
Operation of the broken drive chain device, on the drive chain, shall be tested by manually operating the actuating mechanism.
(h) Reversal Stop Switch
The reversal stop switch, (to prevent reversal when operating in the ascending direction), shall be tested by manually operating it to determine that it functions properly.
(i) Broken Step Chain or Treadway Device
The broken or slack step chain or treadway device shall be inspected and tested by manual operation.
(j) Step upthrust device
The operation of the step upthrust device shall be tested by manually displacing the step, causing the device to operate.
(k) Missing step or pallet device
The missing step or pallet device shall be tested by removing a step or pallet and verifying that the device will properly function.
(l) Step or pallet level device
The step, or pallet level device shall be tested by simulating an out of level step or pallet and verifying that the device functions properly.
(m) Steps, pallet, step or pallet chain, and trusses
The steps, pallet, step or pallet chain, and trusses shall be visually inspected for structural defects.
(n) Handrails
The handrails operating mechanism shall be visually inspected for condition and the stop handrail device shall be tested by disconnecting of handrail motion sensor.
(o) Tandem operation
When interlocked tandem operation is required, verify that an escalator or moving walk carry- ing passengers to an intermediate landing will stop when the escalator or moving walk carrying passengers away from the landing stops. Also, verify that the units are interlocked to run in the same direction.
(p) Escalators and moving walks with DC motor drives
For escalators and moving walks with DC motor drives, conduct a speed test. (q) Heaters
For outdoor escalators and moving walks that require heaters, test the heaters for condition and operation.
3.8.4 Acceptance inspection of escalators and moving walks (a) Inspection and test required
All new installations, and those on which alterations have been performed, shall be inspected and tested to determine their safety and compliance with the requirements of any code of practice before being placed in service. The inspections and tests shall include the routine.
(b) Inspection and test requirements General fire protection requirements
(1) The protection of floor and wall openings shall be inspected.
(2) The protection of the trusses and machine space shall be inspected to determine conformance with the requirements.
(3) Construction requirements
Construction requirements shall be inspected to determine conformance with the require- ments.
(4) Handrails
Check the location, extension, and clearance of the handrail. (5) Lighting
Check the lighting for compliance with rules of any practice. (6) Combplates load test
The deflection of the comb section, combplate, and landing plate assemblies shall be tested by placing a 350 lb (159 kg) weight on plate that is 778in. (200 mm) by 1178in. (300 mm) centred on the assemblies. The 1178 dimension shall be parallel to the direction of travel. The escalator shall be operated in both directions to verify that the assemblies do not contact any of the steps.
(7) Deck barricade
Check deck barricade for compliance. (8) Balustrades
Check the dimensions and the construction of the balustrades for compliance with rules. (9) Ceiling and soffit guards
Check dimensions and installation of ceiling and soffit guards for compliance with rules. (10) Outdoor protection
Check the cover. (11) Machine space
Check that the means of access. (12) Stop switches
Check machine space stop switches. (13) Controller and wiring
Check the wiring, voltage, disconnects, and installation for compliance with rules. (14) Speed governor
Check the tripping speed for compliance with the rules of a given practice. The means of adjustment shall be sealed and a tag indicated the date of the governor test together with the name of the person of firm that performed the test shall be attached to the governor in a permanent manner.
(15) Step level and pallet level device
Test the step level device by lowering (at both ends and on each side) by lowering a step 1/8 in. and verify that it will stop the unit.
(16) Steps, pallets, chains, and trusses
Verify that the tracking system will prevent displacement of the step and pallets in the chain breaks. Inspect the interior of foreign materials such as stones, concrete, or other construction debris.
(17) Speed test
The rated speed shall be tested.
3.8.5 Inspection and test requirements for altered installations
An altered installations shall be inspected and tested to determine their compliance with the require- ments of this‡Code before being placed in service. The inspection and test shall include in routine 2), periodic and those specified below:
(a) Where alterations have been made to the protection of floor or wall openings, they shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks.
(b) Where alterations have been made to the exterior coverings of the trusses or machine, they shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks. (c) Where alterations involve change in the angle of inclination or geometry of balustrades, they
shall be inspected for conformance with the∗Rule for escalators and the ∗Rule for moving walks.
(d) Where the handrails have been altered, they shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks.
(e) Where the step system or treadway system has been altered, it shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks.
(f) Where the combplates or threshold plates have been altered, it shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks.
(g) Where alterations involve the trusses, girders, or supporting structures, they shall be inspected and tested for conformance with the∗Rule for escalators and the∗Rule for moving walks. (h) Where the step wheel tracks or track system is altered, they shall be inspected for conformance
with the∗Rule for escalators and the∗Rule for moving walks.
(i) Where alterations involve changes in the rated load and/or speed, they shall be inspected and tested.
(j) Where the driving machine motor or brake are altered, they shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks.
(k) Where the operating or safety devices are altered ar added, they shall be inspected for conformance with the∗Rule for escalators and the∗Rule for moving walks.
‡Code: any one adopted code.