Dupont Circle Station - Escalator A03S01 (South Entrance) Assessment Checklist
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- Alannah Richards
- 5 years ago
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1 Dupont Circle Station - Escalator A03S01 (South Entrance) Assessment Checklist 143
2 Dupont Circle Station - Escalator A03S02 (South Entrance) Dupont Circle Station Escalator A03S02 (South Entrance) Escalator Audit Equipment Description The escalator is manufactured by APV Baker and uses a Titan T-20 geared traction machine as the drive mechanism. The escalator was installed in A brake replacement was performed in Steps, Step Treads, and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads, but no shaved or sharp edges consistent with misaligned steps exist. The steps have an excessive amount of surface dirt accumulated within the step treads and risers. All steps along the rise are in need of cleaning. Skirts and Balustrade Panels The balustrade panels are secure with minimal gaps. The panels have a notable amount of damage commonly associated with mass transit applications; none significant enough to warrant replacement. Skirt finish damaged throughout on the left and right hand side. Decking and Anti-Slide Devices Decking is firmly in place with anti-slide devices. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The units have dual auxiliary hand rail drive motors at the bottom end of each side of the escalator. The auxiliary hand rail drive motors have been disabled and the drive chains removed. The inability to synchronize the handrail drive system comes as the result of a design failure by the equipment manufacturer. The hand rail newel traction rubbers need to be re-installed to assist in smoother handrail travel. Hoist Machine and Brake The hoist machine is a Titan T-20 geared traction machine being used as a basement traction escalator application. The machine housing is excessively dirty and in poor condition. The brake housing, motor coupling, and motor all have excessive dirt, oil, and surface rust from lack of maintenance and exposure to water and associated moisture in the machine room. Dragging brake shoes, worn handrail drive sprockets, left hand side idler sprocket with broken teeth, and drive seal leaking. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The chain is of a design type that incorporates grease fitting at each link coupling to allow manual lubrication. Of the chain sections inspected, all show signs of recent lubrication. The axles and step chain rollers show normal wear patterns and are in fair condition for continued use. Note: Main drive chain out of adjustment. Pit and Trusses The upper and lower pit areas have a large accumulation of dirt and debris. The dirt and debris is excessive in the truss area and all areas along the rise of the unit. Special attention needs to be given to the condition of the step heaters along the rise of the unit. The heaters have major accumulation of dirt and debris elements within truss uncovered and warped the coils present a fire hazard if not repaired/ cleaned prior to use. 144
3 Dupont Circle Station - Escalator A03S02 (South Entrance) Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were found to be dirty and out of adjustment. Many appear to have not been adjusted recently as would be expected with consistent maintenance. Multiple switches required several manual attempts to activate operation and are in need of cleaning and adjusting. Controller The controllers are located in the common machine room area. The controller cabinet and all components within are in fair condition. Jumpers in controller. The cabinets are covered with sheets of plastic as protection from water exposure. The attempt at protection is ineffective and creates an extremely hazardous working condition to any technician dispatched to work on the equipment. General Observations Summary A03S02 (South Entrance) 1. The cleanliness of the unit and machine room was poor. 2. The adjustment and operation of the switches and equipment was poor. 3. The lubrication condition of the unit was poor. 145
4 Dupont Circle Station - Escalator A03S02 (South Entrance) Unit Photos 146
5 Dupont Circle Station - Escalator A03S02 (South Entrance) Assessment Checklist 147
6 Dupont Circle Station - Escalator A03S03 (South Entrance) Dupont Circle Station Escalator A03S03 (South Entrance) Escalator Audit Equipment Description The escalator is manufactured by APV Baker and uses a Titan T-20 geared traction machine as the drive mechanism. The escalator was installed in A brake replacement was performed in Steps, Step Treads, and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads, but no shaved or sharp edges consistent with misaligned steps exist. The steps have an excessive amount of surface dirt accumulated within the step treads and risers. All steps along the rise are in need of cleaning. Skirts and Balustrade Panels The escalator skirt panels show no damage along the rise from step scraping. No metal shavings were noted along the step tracks inside the unit. The skirt gaps vary between 1/8 and 3/16 along the rise of the unit. The balustrade panels are secure with minimal gaps. The panels have a notable amount of damage commonly associated with mass transit applications, but none significant enough to warrant replacement. Decking and Anti-Slide Devices Decking is firmly in place with anti-slide devices. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The units have dual auxiliary hand rail drive motors at the bottom end of each side of the escalator. The auxiliary hand rail drive motors have been disabled and the drive chains removed. The inability to synchronize the handrail drive system comes as the result of a design failure by the equipment manufacturer. The hand rail newel traction rubbers need to be re-installed to assist in smoother handrail travel. Rouging and sprocket wear both handrail chains. Hoist Machine and Brake The hoist machine is a Titan T-20 geared traction machine being utilized as a basement traction escalator application. The machine housing is excessively dirty and in poor condition. The brake housing, motor coupling, and motor all have excessive dirt, oil, and surface rust from lack of maintenance and exposure to water and associated moisture in the machine room. Main brakes dragging and main drive bearing not being lubricated. Damaged grease fitting is causing this issue. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The chain is of a design type that incorporates grease fitting at each link coupling to allow manual lubrication. Of the chain sections inspected, all show signs of recent lubrication. The axles and step chain rollers show normal wear patterns and are in fair condition for continued use. Buckets under main drive chains full of water/oil mixture, possible track damage left hand side step chain tracks. Grooves forming on step chain rollers, rouging and sprocket wear on both handrail chains, and left handrail drive chain tensioning sprocket. Bolts missing. Can not be adjusted. 148
7 Dupont Circle Station - Escalator A03S03 (South Entrance) Pit and Trusses The upper and lower pit areas have a large accumulation of dirt and debris. The dirt and debris is excessive in the truss area and all areas along the rise of the unit. Special attention needs to be given to the condition of the step heaters along the rise of the unit. The heaters have a major accumulation dirt and debris within the coils and will present a fire hazard if not cleaned prior to use. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were found to be dirty and out of adjustment. Many appear to have not been adjusted any time recently as would be expected with consistent maintenance. Multiple switches required several manual attempts to activate operation and are in need of cleaning and adjusting. Controller The controllers are located in the common machine room area. The controller cabinet and all components within are in fair condition. The cabinets are covered with sheets of plastic as protection from water exposure. The attempt at protection is ineffective and creates an extremely hazardous working condition to any technician dispatched to work on the equipment. General Observations Summary A03S03 (South Entrance) 1. The cleanliness of the unit and machine room was poor. 2. The adjustment and operation of the switches and equipment was poor. 3. The lubrication condition of the unit was poor. 149
8 Dupont Circle Station - Escalator A03S03 (South Entrance) Unit Photos 150
9 Dupont Circle Station - Escalator A03S03 (South Entrance) 151
10 Dupont Circle Station - Escalator A03S03 (South Entrance) Assessment Checklist 152
11 Dupont Circle Station - Escalator A03S04 (South Platform) Dupont Circle Station Escalator A03S04 (South Platform) Escalator Audit Equipment Description: The escalator is a single-drive, Westinghouse Modular B100. The assessment of the equipment and maintenance conditions was performed by VTX on July 27, Steps, Step Treads, and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads, but no shaved or sharp edges consistent with misaligned steps exist. Skirts and Balustrade Panels The escalator skirt panels show no damage along the rise from step scraping. No metal shavings were noted along the step tracks inside the unit. The skirt gaps vary from 1/8-5/32 along the rise of the unit. The units do not use skirt brushes. The balustrade panels are glass on this unit. The balustrade panels are secure and show no damage. Decking and Anti-Slide Devices Decking is firmly in place with no anti-slide devices missing. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The right side handrail while acceptable for continued use at this time has a deep tracking groove throughout the rotation of the unit. The handrail upthrust tension rollers are out of adjustment and will require realignment on the next preventative maintenance visit. The handrail drive units are recessed within the skirt area and offer limited access for inspection. With exception given to the adjustment issue identified previously, the tension rollers appear to be in good condition. The handrail drive chains appear acceptably adjusted, but are dry and in need of lubrication. Drive Unit and Reducer The drive sprockets drive chains and poly chains are well lubricated and free of dirt and debris. Examination of the wear patterns on the drive sprockets, drive, and poly chains show no unusual wear or damage indicating good alignment and tension of the equipment. The drive units show no signs of oil leakage at seals. No unusual noise or vibration was noted. The maintenance motor is present but appears unused. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The axles and step chain rollers show normal wear patterns and are also in acceptable condition. The bottom left hand turnaround unit has been replaced recently. No determinable cause that necessitated the change was readily identifiable. Pit, Machine Room, and Trusses The machine room / upper pit areas are free of dirt and debris. The accumulation of dirt and debris in the truss area and at the bottom pit of the unit is minor. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked all were adjusted and operating correctly. 153
12 Dupont Circle Station - Escalator A03S04 (South Platform) Controller The controllers are located in the upper pit area. The controller cabinet and all components within are securely mounted and in good condition. The controller wiring is neat and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Overall condition of the controller is good. General Observations Summary A03S04 (South Platform) 1. The cleanliness of the unit was good. 2. The adjustment and operation of the switches and equipment was good. 3. The lubrication condition of the unit was good. 154
13 Dupont Circle Station - Escalator A03S04 (South Platform) Unit Photos Junction box cover missing 155
14 Dupont Circle Station - Escalator A03S04 (South Platform) 156
15 Dupont Circle Station - Escalator A03S04 (South Platform) Assessment Checklist 157
16 Dupont Circle Station - Escalator A03S04 (South Platform) Ride Quality Test Results The Parametricoder is a time and displacement encoding system that measures mechanical performance characteristics on escalators. It is able to secure additional performance data to allow individuals to assess conformance to design and operational parameters. It uses precision linear and rotational encoding systems, coupled with a robust data collection system, to permit simple field measurement of specific parameters of escalators and moving walks. The system has allowed us to clearly indentify key issues on client escalator systems including: Incorrectly adjusted and/or damaged brake systems Worn and damaged machine components including roller chain and gear sets Failed electrical control elements used in processes Summary: Escalator brakes have questionable stopping performance under no load. Brake torque may not hold a fully loaded unit the other issues if noted are identified in each performance category. 158
17 Dupont Circle Station - Escalator A03S04 (South Platform) 159
18 Dupont Circle Station - Escalator A03S04 (South Platform) 160
19 Dupont Circle Station - Escalator A03S05 (South Platform) Dupont Circle Station Escalator A03S05 (South Platform) Escalator Audit Equipment Description: The escalator is a single-drive, Westinghouse Modular B100. The assessment of the equipment and maintenance conditions was performed by VTX on July 28, Steps, Step Treads and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads but no shaved or sharp edges consistent with misaligned steps exist. Skirts and Balustrade Panels The escalator skirt panels show no damage along the rise from step scraping. No metal shavings were noted along the step tracks inside the unit. The skirt gaps vary from 1/16-7/32 along the rise of the unit. The units do not use skirt brushes. The balustrade panels are glass on this unit. The balustrade panels are secure and show no damage. Decking and Anti-Slide Devices Decking is firmly in place with no anti-slide devices missing. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The handrail drive units are recessed within the skirt area and offer limited access for inspection. Of the area visible, the tension rollers are in good condition and acceptably adjusted. The handrail drive chains appear acceptably adjusted, but are dry and in need of lubrication. Drive Unit and Reducer The drive sprockets drive chains and poly chains are well lubricated and free of dirt and debris. Examination of the wear patterns on the drive sprockets, drive, and poly chains show no unusual wear or damage indicating good alignment and tension of the equipment. The drive units show no signs of oil leakage at seals. No unusual noise or vibration was noted. The maintenance motor is present but appears unused. Step Chains, Axles, and Step Chain Rollers The left side step chain exhibits extensive damage to the laminates throughout the entire run of the unit. The location of the damage is consistent on each laminate indicating an alignment problem with the drive sprocket. The axles and step chain rollers show normal wear patterns and are in acceptable condition. Pit, Machine Room, and Trusses The machine room / upper pit areas are free of dirt and debris. The accumulation of dirt and debris in the truss area and at the bottom pit of the unit is minor. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked all operated correctly when manually activated, but were in need of cleaning and adjustment to ensure mechanical activation by the appropriate device. Controller The controllers are located in the upper pit area. The controller cabinet and all components within are securely mounted and in good condition. The controller wiring is neat 161
20 Dupont Circle Station - Escalator A03S05 (South Platform) and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Overall condition of the controller is good. General Observations Summary A03S05 (South Platform) 1. The cleanliness of the unit was good. 2. The adjustment and operation of the switches and equipment was good. 3. The lubrication condition of the unit was good. 162
21 Dupont Circle Station - Escalator A03S05 (South Platform) Unit Photos Microswitch covered in oil and grease Worn sprocket 163
22 Dupont Circle Station - Escalator A03S05 (South Platform) 164
23 Dupont Circle Station - Escalator A03S05 (South Platform) Assessment Checklist 165
24 Dupont Circle Station - Escalator A03S05 (South Platform) Ride Quality Test Results The Parametricoder is a time and displacement encoding system that measures mechanical performance characteristics on escalators. It is able to secure additional performance data to allow individuals to assess conformance to design and operational parameters. It uses precision linear and rotational encoding systems, coupled with a robust data collection system, to permit simple field measurement of specific parameters of escalators and moving walks. The system has allowed us to clearly indentify key issues on client escalator systems including: Incorrectly adjusted and/or damaged brake systems Worn and damaged machine components including roller chain and gear sets Failed electrical control elements used in processes DuPont #5 Platform. There is clear evidence of failed mechanical components in the drive system that are reflected by heavy impacts influencing the step band and both handrails. Impacts are occurring approximately every (3 per step). The unit is identified as a Westinghouse but I am not sure if it is a modular. The spacing of the impacts are consistent with the typical pitches for roller chain based escalators and would indicate stretched chain sections and\or damaged sprockets. If a modular rack system, it is a bit less clear as to what is causing it based on typical rack section pitches and rack tooth pitches. 166
25 Dupont Circle Station - Escalator A03S05 (South Platform) 167
26 Dupont Circle Station - Escalator A03S05 (South Platform) 168
27 Dupont Circle Station - Escalator A03S06 (South Platform) Dupont Circle Station Escalator A03S06 (South Platform) Escalator Audit Equipment Description: The escalator is a single-drive, Westinghouse Modular B100. The assessment of the equipment and maintenance conditions was performed by VTX on July 28, Steps, Step Treads, and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads but no shaved or sharp edges consistent with misaligned steps exist. Skirts and Balustrade Panels The escalator skirt panels show no damage along the rise from step scraping. No metal shavings were noted along the step tracks inside the unit. The skirt gaps vary from 1/16 1/8 along the rise of the unit. The units do not use skirt brushes. The balustrade panels are glass on this unit. The bottom right hand two glass panels are broken and are being held together with duct tape. The remaining balustrade panels are secure and show no damage. Decking and Anti-Slide Devices Decking is firmly in place with no anti-slide devices missing. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The handrail drive units are recessed within the skirt area and offer limited access for inspection. Of the area visible, the tension rollers are in good condition and acceptably adjusted. The handrail drive chains appear acceptably adjusted, but are dry and in need of lubrication. Drive Unit and Reducer The drive sprockets drive chains and poly chains are well lubricated and free of dirt and debris. Examination of the wear patterns on the drive sprockets, drive, and poly chains show no unusual wear or damage with the exception of one missing poly roller on the right side poly chain. The remaining chains are properly aligned with good tension and show no unusual wear or damage. The drive units show no signs of oil leakage at seals. No unusual noise or vibration was noted. The maintenance motor is present but appears unused. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The axles and step chain rollers show normal wear patterns and are also in acceptable condition. Pit, Machine Room, and Trusses The machine room / upper pit areas are free of dirt and debris. The accumulation of dirt and debris in the truss area and at the bottom pit of the unit is minor. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked all operated correctly when manually activated but were in need of cleaning and adjustment to ensure mechanical activation by the appropriate device. 169
28 Dupont Circle Station - Escalator A03S06 (South Platform) Controller The controllers are located in the upper pit area. The controller cabinet and all components within are securely mounted and in good condition. The controller wiring is neat and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Overall condition of the controller is good. General Observations Summary A03S06 (South Platform) 1. The cleanliness of the unit was good. 2. The adjustment and operation of the switches and equipment was good. 3. The lubrication condition of the unit was good. 170
29 Dupont Circle Station - Escalator A03S06 (South Platform) Unit Photos 171
30 Dupont Circle Station - Escalator A03S06 (South Platform) 172
31 Dupont Circle Station - Escalator A03S06 (South Platform) Assessment Checklist 173
32 Dupont Circle Station - Escalator A03S06 (South Platform) Ride Quality Test Results The Parametricoder is a time and displacement encoding system that measures mechanical performance characteristics on escalators. It is able to secure additional performance data to allow individuals to assess conformance to design and operational parameters. It uses precision linear and rotational encoding systems, coupled with a robust data collection system, to permit simple field measurement of specific parameters of escalators and moving walks. The system has allowed us to clearly indentify key issues on client escalator systems including: Incorrectly adjusted and/or damaged brake systems Worn and damaged machine components including roller chain and gear sets Failed electrical control elements used in processes Summary: Escalator brakes have questionable stopping performance under no load. Brake torque may not hold a fully loaded unit the other issues if noted are identified in each performance category. 174
33 Dupont Circle Station - Escalator A03S06 (South Platform) 175
34 Dupont Circle Station - Escalator A03S06 (South Platform) 176
35 Dupont Circle Station - Escalator A03S07 (South Platform) Dupont Circle Station Escalator A03S07 (South Platform) Escalator Audit Equipment Description: The escalator is a single-drive, Westinghouse Modular B100. The assessment of the equipment and maintenance conditions was performed by VTX on July 28, Steps, Step Treads, and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads, but no shaved or sharp edges consistent with misaligned steps exist. Skirts and Balustrade Panels The escalator skirt panels show no damage along the rise from step scraping. No metal shavings were noted along the step tracks inside the unit. The skirt gaps vary from 1/16 1/8 along the rise of the unit. The units do not use skirt brushes. The balustrade panels are glass on this unit. The balustrade panels are secure and show no damage. Decking and Anti-Slide Devices Decking is firmly in place with no anti-slide devices missing. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The handrail drive units are recessed within the skirt area and offer limited access for inspection. Of the area visible, the tension rollers are in good condition and acceptably adjusted. The handrail drive chains appear acceptably adjusted, but are dry and in need of lubrication. Drive Unit and Reducer The drive sprockets drive chains and poly chains are well lubricated and free of dirt and debris. Examination of the wear patterns on the drive sprockets, drive, and poly chains show no unusual wear or damage indicating good alignment and tension of the equipment. The drive units show no signs of oil leakage at seals. No unusual noise or vibration was noted. The maintenance motor is present but appears unused. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The axles and step chain rollers show normal wear patterns and are also in acceptable condition. Pit, Machine Room, and Trusses The machine room / upper pit areas are free of dirt and debris. The accumulation of dirt and debris in the truss area and at the bottom pit of the unit is minor. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked all operated correctly when manually activated but were in need of cleaning and adjustment to ensure mechanical activation by the appropriate device. Controller The controllers are located in the upper pit area. The controller cabinet and all components within are securely mounted and in good condition. The controller wiring is neat 177
36 Dupont Circle Station - Escalator A03S07 (South Platform) and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Overall condition of the controller is good. General Observations Summary A03S07 (South Platform) 1. The cleanliness of the unit was good. 2. The adjustment and operation of the switches and equipment was good. 3. The lubrication condition of the unit was good. 178
37 Dupont Circle Station - Escalator A03S07 (South Platform) Unit Photos 179
38 Dupont Circle Station - Escalator A03S07 (South Platform) Microswitch has rust showing Step chain autolubrication system has low lubrication level 180
39 Dupont Circle Station - Escalator A03S07 (South Platform) Assessment Checklist 181
40 Dupont Circle Station - Escalator A03S07 (South Platform) Ride Quality Test Results The Parametricoder is a time and displacement encoding system that measures mechanical performance characteristics on escalators. It is able to secure additional performance data to allow individuals to assess conformance to design and operational parameters. It uses precision linear and rotational encoding systems, coupled with a robust data collection system, to permit simple field measurement of specific parameters of escalators and moving walks. The system has allowed us to clearly indentify key issues on client escalator systems including: Incorrectly adjusted and/or damaged brake systems Worn and damaged machine components including roller chain and gear sets Failed electrical control elements used in processes Summary: Escalator brakes have questionable stopping performance under no load. Brake torque may not hold a fully loaded unit the other issues if noted are identified in each performance category. 182
41 Dupont Circle Station - Escalator A03S07 (South Platform) 183
42 Dupont Circle Station - Escalator A03S07 (South Platform) 184
43 Foggy Bottom Station
44 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic Foggy Bottom Station Elevator C04X01 (Street Access) Hydraulic Elevator Audit Equipment Description The elevator is a two-stop, hydraulic application installed in 1977 and partially modernized (ADAAG) in The controller is an Allen/Bradley micro processor unit. The pump unit and motor are a belt driven dry (non-submersible) application. The cab doors are single speed, center opening application using a GAL door operator, cab, and hoistway door equipment. The assessment of the equipment and maintenance conditions was performed by VTX on June 28, Machine Room The machine room for this unit is located in the employee only area of the station and access is controlled. The machine room is used as a materials storage area with an assortment of tools, lubricants, spare parts, gang boxes, trash, and other trade related items blocking access to the controller and hoist machine components. None of the spare parts appear to have inventory records tracking their location or use. The machine room does not have the sufficient space and storage capabilities to accommodate the materials. The maintenance condition of the machine room is poor. Controller The controller cabinet and all components within are securely mounted and in good condition. The controller wiring is neat and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Overall condition of the controller is good. Pump, Tank, and Valve Unit The unit is a dry pump type with the equipment mounted under the tank. The valve shows minor leakage at the couplings with a small accumulation of oil in the collection pan. The pump motor is securely mounted with no unusual noise or vibration noted. The drive belts are tensioned properly with no cuts or shredding noted. Car Top, Cab Door Equipment, and Operator The car top of this elevator is in poor condition and has an extensive amount of trash, dirt, and debris scattered throughout. The doors are front center opening using a GAL door operator. The door operator chains, link arms, tracks, trucks, and rollers are excessively dirty and dry and in need of cleaning and lubrication. The equipment has not been cleaned for an extensive period of time. The overall condition of the car top, operator, tracks, trucks, and associated equipment is very poor. Hoistway Door Equipment The hoistway door tracks, trucks, and rollers are excessively dirty and dry and in need of cleaning and lubrication. The equipment has not been cleaned for an extensive period of time. The overall condition of the door tracks, trucks, and associated equipment is very poor. Pit The elevator pit has a minor accumulation of debris and dirt. The jack packing is in good condition with only minor leakage normally associated with hydraulic applications. Overall condition of the pit is fair. 185
45 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic Signal Fixtures The signal fixtures are of a vandal proof design and construction. The surface finish of the fixtures is bronze. The surface of the car operating panel has minor scratches from abuse and vandalism consistent with mass transit applications. None of the damage is extensive enough to require replacement of the car operating panel or associated fixtures. The position indicator is digital and fully operational. All push buttons are intact and working correctly. The emergency communication device when activated initiated the call acknowledged light on the car operating panel but the signal failed to reach the kiosk. The device was unable to initiate two-way communication. Cab The structural integrity of the cab remains intact. The wall panels, glass panels, dome, and ceiling are sufficient for continued use. The interior has minor damage, scratches, and dents from use, abuse, and vandalism normally associated with mass transit applications. General Observations Summary C04X01 1. The cleanliness of the unit was very poor. 2. The adjustment and operation of the cab and hoistway doors and door equipment was very poor. 3. The lubrication condition of the unit was poor. 186
46 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic Unit Photos Flooding in machine room Machine used as storage area 187
47 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic 188
48 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic Assessment Checklist 189
49 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic 190
50 Foggy Bottom Station - Elevator C04X01 (Street Access) Hydraulic Ride Quality Test Results Our measuring tool measures the speed and forces of hydraulic and traction elevators felt during elevator movement. It provides real-time performance information. Insert explanation of what this device records. What the goals are in key areas. Comment if the results are satisfactory or not. 191
51 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic Foggy Bottom Station Elevator C04X02 (Platform) Hydraulic Elevator Audit Equipment Description The elevator is a two-stop, hydraulic application installed in 1977 and modernized in The controller is an Allen/Bradley micro processor unit. The pump unit and motor are a belt driven dry (non-submersible) application. The cab doors are single speed center opening application using a GAL door operator, cab, and hoistway door equipment. The assessment of the equipment and maintenance conditions was performed by VTX on June 28, Machine Room The machine room for this unit is located in the employee only area of the station and access is controlled. The machine room is used as a materials storage area with an assortment of tools, lubricants, spare parts, gang boxes, trash, and other trade related items blocking access to the controller and hoist machine components. None of the spare parts appear to have inventory records tracking their location or use. The machine room does not have the sufficient space and storage capabilities to accommodate the materials. The maintenance condition of the machine room is poor. Controller The controller is an Allen/Bradley micro processor unit. The controller cabinet and all components within are securely mounted and in good condition. The controller wiring is neat and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Overall condition of the controller is good. Pump, Tank, and Valve Unit The unit is a dry pump type with the equipment mounted under the tank. The valve shows minor leakage at the couplings with a small accumulation of oil in the collection pan. The pump motor is securely mounted with no unusual noise or vibration noted. The drive belts are tensioned properly with no cuts or shredding noted. Car Top, Cab Door Equipment, and Operator The car top of this elevator is in poor condition and has an extensive amount of trash, dirt, and debris scattered throughout. The doors are front center opening using a GAL door operator. The door operator chains, link arms, tracks, trucks, and rollers are excessively dirty and dry and in need of cleaning and lubrication. The equipment has not been cleaned for an extensive period of time. The overall condition of the car top, operator, tracks, trucks, and associated equipment is very poor. Hoistway Door Equipment The hoistway door tracks, trucks, and rollers are excessively dirty and dry and in need of cleaning and lubrication. The equipment has not been cleaned for an extensive period of time. The overall condition of the door tracks, trucks, and associated equipment is very poor. Pit The elevator pit has a minor accumulation of debris and dirt. The jack packing is in good condition with only minor leakage normally associated with hydraulic applications. Overall condition of the pit is fair. Signal Fixtures The signal fixtures are of a vandal proof design and construction. The surface finish of the fixtures is bronze. The surface of the car operating panel has minor scratches from 192
52 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic abuse and vandalism consistent with mass transit applications. None of the damage is extensive enough to require replacement of the car operating panel or associated fixtures. The position indicator is digital and fully operational. All push buttons are intact and working correctly. The emergency communication device when activated initiated the call acknowledged light on the car operating panel but the signal failed to reach the kiosk. The device was unable to initiate two-way communication. Cab The structural integrity of the cab remains intact. The wall panels, glass panels, dome, and ceiling are sufficient for continued use. The interior has minor damage, scratches, and dents from use, abuse, and vandalism normally associated with mass transit applications. General Observations Summary C04X02 1. The cleanliness of the unit was very poor. 2. The adjustment and operation of the cab and hoistway doors and door equipment was very poor. 3. The lubrication condition of the unit was poor. 193
53 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic Unit Photos Junction box not covered Dirty car top 194
54 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic 195
55 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic Assessment Checklist 196
56 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic 197
57 Foggy Bottom Station - Elevator C04X02 (Platform) Hydraulic Ride Quality Test Results Our measuring tool measures the speed and forces of hydraulic and traction elevators felt during elevator movement. It provides real-time performance information. Unit C04X02 Insert explanation of what this device records. What the goals are in key areas. Comment if the results are satisfactory or not. 198
58 Foggy Bottom Station - Escalator C04X01 (Entrance) Foggy Bottom Station Escalator C04X01 (Entrance) Escalator Audit Equipment Description The escalator is a dual-drive, Orenstein & Koppel (O&K) installed in To date this equipment has not been modernized. The assessment of the equipment and maintenance conditions was performed by VTX on June 24, Steps, Step Treads, and Risers The step tread and riser alignments appear to mesh within acceptable tolerances and show no excessive wear or damage. Normal wear consistent with mass transit applications is present on the step treads, but no shaved or sharp edges consistent with misaligned steps exist. Skirts and Balustrade Panels The escalator skirt panels show no major wear or unusual damage from step scraping. The skirt gaps are within tolerances and vary from 1/8 to 3/16. The balustrade panels are adjusted within tolerances with acceptable minimal gap clearances. Minor damage normally associated with mass transit environment exist, but none requiring panel replacement. Decking and Anti-Slide Devices Decking and anti-slide devices are firmly in place with no devices missing. Handrails and Handrail Drive Units The right handrail demonstrates a pattern of unusual wear, and a large amount of handrail shavings were found in the pit and step band locking lever switch areas. The top right newel wheel is worn and cutting into the handrail. The quantity of shavings demonstrates the condition has existed for a significant amount of time. The left handrail shows minimal wear and is acceptable for continued use. The handrail drive units are dry and in need of lubrication. The drive unit and chains are acceptably adjusted. Remaining hand rail newels show normal wear and are acceptable for continued use. Drive Units and Reducers The drive units are excessively dirty with a major accumulation of oil, dirt, and debris. No guard or cover is present. The unit shows minor signs of oil leakage at reducer seal/coupling. No unusual noise or vibration was noted. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated, but have an excessive build up of old lubricant. The axles and step chain rollers show normal wear patterns, but have a notable build up lubricant and dirt. The step rollers show an excessive accumulation of old dry grease, dirt, and debris. Pits and Trusses The pit areas are dirty with an excessive accumulation of lubricant, dirt, and debris. The accumulation of dirt and debris in the truss area at the top of the unit is excessive. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked, several required multiple manual attempts to activate, were excessively dirty, and out of adjustment. The locking band lever switch was covered with shavings from the handrail. 199
59 Foggy Bottom Station - Escalator C04X01 (Entrance) Controller The controller is firmly mounted and the cabinet is lockable. The relays are an enclosed type and firmly plugged into the relay bases with no loose components or wiring. The controller wiring is neat and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Machine Room Overall machine room condition for escalators C04X01, 02, and 03 will be addressed in an overview of this station. General Observations Summary C04X01 1. The cleanliness of the unit was poor. 2. The adjustment and operation of the switches and equipment was poor. 3. The lubrication condition of the unit was fair. 200
60 Foggy Bottom Station - Escalator C04X01 (Entrance) Unit Photos No cover on brake 201
61 Foggy Bottom Station - Escalator C04X01 (Entrance) Assessment Checklist 202
62 Foggy Bottom Station - Escalator C04X02 (Entrance) Foggy Bottom Station Escalator C04X02 (Entrance) Escalator Audit Equipment Description The escalator is a dual-drive, Orenstein & Koppel (O&K) installed in To date this equipment has not been modernized. The assessment of the equipment and maintenance conditions was performed by VTX on June 24, Steps, Step Treads, and Risers The step tread and riser alignments demonstrate a minor gap developing, which is indicative of chain elongation. The step treads, risers, and step interiors have a major amount of oil on the surfaces of each. The oil is continuous throughout all steps in the unit. The oil amount on the treads is significant enough to warrant concern for rider safety. Skirts and Balustrade Panels The escalator skirt panels show minor damage at several locations along the rise from step scraping. Metal shavings from the skirt panels are prevalent on the step tracks at those areas. The skirt gaps at those places along the rise other than as noted previously, are within tolerances and vary from 1/8 to 3/16. The balustrade panels are adjusted within tolerances with acceptable minimal gap clearances. Minor damage normally associated with mass transit environment exist, but none requiring panel replacement. Decking and Anti-Slide Devices Decking and anti-slide devices are firmly in place with no devices missing. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The handrail drive units are lubricated and acceptably adjusted. Hand rail newels show normal wear and are acceptable for continued use. Drive Units and Reducers The drive units are excessively dirty with a major accumulation of oil, dirt, and debris. No guard or cover is present. The unit has major signs of oil leakage at reducer drive shaft seal/coupling. The accumulated dirt and debris are acting as an absorbent to slow the flow of the oil. The unit has a disk brake for each drive unit. The brake pads are worn and in need of adjustment. The pads on the left brake unit are need of replacement. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The axles and step chain rollers show normal wear patterns and are also in acceptable condition. Pits and Trusses The pit areas are dirty with an excessive accumulation of lubricant, dirt, and debris. The accumulation of dirt and debris in the truss area at the top of the units is excessive. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked, several required multiple manual attempts to activate and were out of adjustment. All switches are in need of cleaning and adjustment. 203
63 Foggy Bottom Station - Escalator C04X02 (Entrance) Controller The controller is firmly mounted and the cabinet is lockable. The relays are an enclosed type and firmly plugged into the relay bases with no loose components or wiring. The controller wiring is neat and securely fastened at all terminal connections with the spares tied off and tagged for accurate identification. Machine Room Overall machine room condition for escalators C04X01, 02, and 03 will be addressed in an overview of this station. General Observations Summary C04X02 1. The cleanliness of the unit was poor. 2. The adjustment and operation of the switches and equipment was poor. 3. The lubrication condition of the unit was fair. 204
64 Foggy Bottom Station - Escalator C04X02 (Entrance) Unit Photos Accumulation of lubricant on steps 205
65 Foggy Bottom Station - Escalator C04X02 (Entrance) No brake cover 206
66 Foggy Bottom Station - Escalator C04X02 (Entrance) Assessment Checklist 207
67 Foggy Bottom Station - Escalator C04X02 (Entrance) Ride Quality Test Results The Parametricoder is a time and displacement encoding system that measures mechanical performance characteristics on escalators. It is able to secure additional performance data to allow individuals to assess conformance to design and operational parameters. It uses precision linear and rotational encoding systems, coupled with a robust data collection system, to permit simple field measurement of specific parameters of escalators and moving walks. The system has allowed us to clearly indentify key issues on client escalator systems including: Incorrectly adjusted and/or damaged brake systems Worn and damaged machine components including roller chain and gear sets Failed electrical control elements used in processes Summary: Escalator brakes have questionable stopping performance under no load. Brake torque may not hold a fully loaded unit the other issues if noted are identified in each performance category. 208
68 Foggy Bottom Station - Escalator C04X02 (Entrance) 209
69 Foggy Bottom Station - Escalator C04X02 (Entrance) 210
70 Foggy Bottom Station - Escalator C04X03 (Entrance) Foggy Bottom Station Escalator C04X03 (Entrance) Escalator Audit Equipment Description The escalator is a dual-drive, Orenstein & Koppel (O&K) installed in To date this equipment has not been modernized. The assessment of the equipment and maintenance conditions was performed by VTX on June 28, Steps, Step Treads, and Risers The step tread and riser alignments demonstrate a minor gap developing, which is indicative of chain elongation. The step treads, risers, and step interiors have a major amount of oil on the surfaces of each. The oil is continuous throughout all steps in the unit. Though the oil amount is not as significant in quantity as that on unit A04X02, it is enough to merit concern for rider safety. Skirts and Balustrade Panels The escalator skirt panels show minor damage at several locations along the rise from step scraping. Metal shavings from the skirt panels are prevalent on the step tracks at those areas. The skirt gaps at those places along the rise other than as noted previously, are within tolerances and vary from 1/8 to 3/16. The balustrade panels are adjusted within tolerances with acceptable minimal gap clearances. Minor damage normally associated with mass transit environment exist, but none requiring panel replacement. Decking and Anti-Slide Devices Decking and anti-slide devices are firmly in place with no devices missing. Handrails and Handrail Drive Units The handrails show minimal wear and are acceptable for continued use. The handrail drive units are lubricated and acceptably adjusted. Hand rail newels show normal wear and are acceptable for continued use. Drive Units and Reducers - The drive units are excessively dirty with a major accumulation of oil, dirt, and debris. No guard or cover is present. There are major signs of oil leakage at reducer drive shaft seal/coupling on left side of unit. The accumulated dirt and debris are acting as an absorbent to slow the flow of the oil. The unit has a disk brake for each drive unit. The brake failed to stop the escalator when the unit was turned off. The unit free wheeled until stopping. The escalator was removed from service. The brake pads on both units are worn and in need of replacement and the brake adjusted. Step Chains, Axles, and Step Chain Rollers The step chains are acceptably lubricated with a minimal build up of old lubricant. The axles and step chain rollers show normal wear patterns and are also in acceptable condition. Pits and Trusses The pit areas are dirty with an excessive accumulation of lubricant, dirt, and debris. The accumulation of dirt and debris in the truss area at the top of the units is excessive. Safety Switches A random visual inspection of the safety switches was performed. Multiple switches were manually activated and electrical operation verified. Of the switches checked the top left comb impact, right and left handrail inlet, bottom right skirt, and bottom impact 211
Assessment of Elevator and Escalator Maintenance & Repair Program Final Elevator Audit Submission Foggy Bottom Station - Escalator C04X03 (Entrance)
Foggy Bottom Station - Escalator C04X03 (Entrance) 217 Foggy Bottom Station - Escalator C04X04 (Platform) Foggy Bottom Station Escalator C04X04 (Platform) Escalator Audit Equipment Description The escalator
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