7100423271SpecEsc.pdf

APPENDIX F – PREVENTIVE MAINTENANCE SPECIFICATIONS FOR ESCALATORS

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I. FULL-SERVICE WARRANTY MAINTENANCE REQUIREMENTS

A. The Contractor shall examine, adjust, lubricate, clean, and when conditions warrant, repair or replace the following items and components thereof and all other mechanical or electrical equipment, including, but not limited to the following:

1. Step Rollers

2. Belts and chains

3. Controller Components: resistors, timers, fuses, overloads, minor contacts, wiring

4. Brake: pads, lining, discs, or shoes

5. Comb plates

6. Demarcation lights.

7. Escalator machine

8. Handrail, handrail drive chains

9. PC Boards, solid state devices, contactors

10. Sprockets, step chains

11. Stop switch

B. The Contractor shall keep the truss and other structural members free of rust. Renew step rollers as required to insure smooth and satisfactory operation.

C. Contractor shall be responsible for keeping the exterior of the escalator machinery and any other parts of the equipment subject to rust, painted with heat resistant enamel and presentable at all times. The machine windings shall be treated as needed, with proper insulating compound as recommended by the machine manufacturer.

D. Correct any deficiencies found. Contractor shall be responsible for the correction of deficiencies.

II. ITEMS OF PREVENTATIVE MAINTENANCE WORK

The preventive maintenance specified herein is considered the minimum for all equipment. If specific equipment covered by this Contract requires additional preventive maintenance for safe, reliable operation, as specified by the manufacturer, the Contractor shall perform the required additional preventive maintenance without added cost to the Authorized User.

Monthly Preventive Maintenance

1. Ride each escalator checking for unusual noise or operation.

2. Hold the handrails for the entire travel, and verify they move smoothly without stuttering and that they move at the same speed as the steps.

3. Firmly grip the handrail at several points during the ride and verify the handrail does not stall.

4. Inspect comb plates at all landings.

5. Inspect for proper operation of escalator lighting at landing plate.

6. Inspect demarcation lights at entrance and egress. Verify lights are operating properly, of uniform color and intensity.

7. Inspect skirt panels/balustrade panels to verify seams are flush and properly attached with no damaged, jagged, or sharp edges.

8. Inspect skirt panels for worn or detached skirt panel brushes.

9. Verify floor plates are firmly fastened and flush with floor and access treads.

10. Remove floor plate at lower end for access to step chains.

11. Use spray equipment or paint brush to lubricate as necessary.

12. Apply lubricant to step wheels.

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13. Run escalator and visually inspect step wheels and chains for proper tension and tracking.

14. Mark location of handrail with chalk and check each handrail for a complete revolution.

15. Inspect each handrail for cuts, cracks, gouges, and excessive wear. Inspect underside of handrails for pinch points.

16. Mark a step with chalk and inspect all steps through a complete revolution of the escalator.

17. Inspect steps for cracks and chips, damaged or broken step demarcation segments or damaged risers.

18. Check condition of control boards and circuits.

19. Check mainline fuses for heating.

20. Check setting of broken chain switch, steps, and skirt safety switches.

21. Check operation of emergency stop switch by activating the switch. Verify unit stops within 18” to

32” of travel.

Quarterly Preventive Maintenance

1. Perform all monthly maintenance items.

2. Clean motor commutators, renew or reseat brushes.

3. Check condition of the track, wear joints, wheel clearances both laterally and vertically.

4. Check step chain for wear and lubrication of side bars and pin connector holes.

5. Check operation of tension carriage, condition of the track and clearances, lubricate rollers and pivots.

6. Check condition and lubrication of mean bearings.

7. Check tightness of main sprockets on shaft.

8. Check setting and wear of tangential and step chain guides, adjust and lubricate as necessary.

9. Seal any leaks on motors, gearboxes, etc.

10. Clean contactors, check alignment of switches, and operation of overloads.

11. Check all other contactor equipment.

12. Check all safeties for proper operation.

Annual Preventive Maintenance

1. Perform all monthly maintenance items.

2. Remove comb plates and 50% of the steps, check stair welds.

3. Check condition of step rollers and axles.

4. Clean truss, incline pan, and underside of steps.

5. Clean armature and motor with blower and vacuum.

6. Check armature and rotor clearances.

7. Check motor connections and bearings.

8. Clean and check fuse holders and contactors and check all other connections.

9. Check all safety devices and tighten all connections, clean, and lubricate as necessary.

10. Lubricate intermediate bearings, motor bearing and worm shaft bearing.

11. Lubricate pinion gears, ring gear and main shaft bearing.

12. Check and lubricate handrail guide wheels.

13. Check surface of handrail tension rollers.

14. Check any additional items required by the State of New York for the annual inspection.

15. Perform annual step index test and provide to Authorized User.

III. ESCALATOR INSPECTION AND TESTING SERVICE

As required by ASME A17.1, all escalators shall be appropriately inspected every six (6) months and tested annually. The tasks are detailed below and on the ASME A17.1 Checklist for Inspection of Escalators (Exhibit B). The Contractor must complete this checklist and submit to the Authorized User upon completion of each inspection service performed.

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SEMI-ANNUAL INSPECTION SERVICE

1. The Contractor shall examine and test all safety devices, handrails, comb plates, pressure switches, etc. as required and outlined in the current adopted edition of ASME A17.1.

2. The Contractor shall notify the Authorized User of any noted deficiencies and furnish a test and condition report for each escalator to the Authorized User after the inspection using the Checklist for Inspection of Escalators (Exhibit B).

ANNUAL INSPECTION TESTING SERVICE – CAT-1

1. The Contractor shall provide any needed equipment to perform the pretest examinations and tests at no additional cost to the Authorized User.

2. The Contractor shall provide all necessary weights and testing equipment, an adequate quantity of qualified journeyman elevator mechanics familiar with the equipment to perform tests and as-sist the inspector at no additional cost to the Authorized User.

3. The Contractor shall make formal safety tests and inspections as required and outlined in the cur-rent adopted edition of ASME A17.1.

4. These tests shall be conducted in the presence of an Authorized User-selected and Qualified Ele-vator Inspector. It is the CONTRACTOR’s responsibility to ensure the presence of the QEI at the Annual tests.

5. Tests performed on 1-year intervals will be scheduled to comply with the 1-year interval specified in ASME A17.1 Appendix N, which has been adopted by NY State.

6. The Contractor shall furnish test and condition reports to the Authorized User after each test using the Checklist for Inspection of Escalators (Exhibit B).

7. After tests have been performed, all loading devices, etc. shall be checked and adjusted as re-quired to meet manufacturer’s recommendations. Escalators shall not be placed in service un-til all tests, checks and adjustments are completed and the escalators are in proper work-ing condition. The Contractor will not be held responsible for any damage to the building and equipment (excluding escalator and related escalator equipment) caused by these tests unless such damage is a result of negligence by the Contractor.

8. Failure to follow correct procedures to prevent damages and failure to perform pretest examina-tion shall be considered negligence by the Contractor.

9. The Contractor shall furnish and install, at no additional cost to the Authorized User, any missing code data plates and signage as required by ASME A17.1. If necessary, the Authorized User will assist the Contractor in obtaining the data for the replacement code data plates.

10. If during the inspection/testing of a particular escalator, such escalator fails, Contractor shall con-tinue the inspection/testing procedure with other escalators so as not to delay the overall inspec-tion/testing process.

11. The Contractor shall provide a separate crew to repair deficiencies.

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EXHIBT A - SPARE PARTS LIST

A. The Contractor shall maintain on-site, as a minimum, the following replacement parts:

1. Five (5) Fuses of each size, type and current rating.

2. Adequate supply of replacement lamps.

3. Comb plates.

4. Motor brushes and hardware.

5. Handrail guides.

6. Brush guards.

7. Step rollers and minor component parts.

8. All required lubricants, cleaning agents, compounds and other materials and equipment required for preventive maintenance procedures specified herein.

9. At the completion of the Mini-Bid Agreement, the above parts list is to be turned over to the Authorized User.

B. The Contractor shall maintain at their local office, or have available within 24 hours of need, the following replacements parts:

1. Emergency Stop Switch

2. Handrails as required

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EXHIBIT B – CHECKLIST FOR INSPECTION OF ESCALATORS