00 review of ptsb issues henry sullivan chief maintenance officer nyct department of buses / mta bus...
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![Page 1: 00 Review of PTSB Issues Henry Sullivan Chief Maintenance Officer NYCT Department of Buses / MTA Bus / LI Bus November 2011 CONFIDENTIAL, PROPRIETARY AND](https://reader038.vdocument.in/reader038/viewer/2022103004/56649cae5503460f94970cc0/html5/thumbnails/1.jpg)
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Review of PTSB Issues
Henry SullivanChief Maintenance OfficerNYCT Department of Buses / MTA Bus / LI BusNovember 2011
CONFIDENTIAL, PROPRIETARY AND NOT FOR DISTRIBUTION
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Agenda
Statistics
Overview
Actions Taken
Current Status
Maintaining the Improvements
Detailed Explanation of Failure Modes and Retrofits
Conclusion
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2
3
4
5
6
7
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PTSB CasesPTSB Bus Reportable Accidents
12
4
15
10
5
17
35
19
5
9
4
3
66
32
40
0
10
20
30
40
50
60
70
2010 (all) 2010 (to June) 2011 (to June)
0
10
20
30
40
50
60
70
Fatality
Multiple Injury
Mechanical Failure
Fire
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Overview
• Increase in PTSB cases in first half of 2011.
• In June, met with Office of System Safety (OSS) and PTSB to explain the rise in PTSB cases.
• After meeting, established procedures to prevent accidents and sustain a lower rate of PTSB cases.
• Complexity of fleet is a major issue in resolving problems.
– 3 types of propulsion systems• Diesel• CNG• Hybrid
– 3 types of vehicles• 40-foot local• 60-foot artic• Express
– 6 different bus manufacturers
– Fleets range in age from 1995 to 2011, resulting in 23 variations in production models.
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Actions Taken
• Established AGM Committee.
• Meetings to explain the causes and effects of the PTSB cases, as well as the procedures to prevent them.
• Made instructional CDs of the presentations for Depot Training Supervisors (DTSs) to hold training at all the depots (“PTSB Shop Gates”).
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Fires – Current Status
1
2
1 1
3
2
1 11 1
3 3
5
4
1
3
2 2
0
1
2
3
4
5
6Ja
nu
ary
Fe
bru
ary
Ma
rch
Ap
ril
Ma
y
Jun
e
July
Au
gu
st
Se
pte
mb
er
Oct
ob
er
No
vem
be
r
De
cem
be
r
2010
2011
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Mechanical Failures – Current Status
2
1
2
1 1
3
1 1
5
3
6
2
5
2
1
0
1
2
3
4
5
6
7Ja
nu
ary
Fe
bru
ary
Ma
rch
Ap
ril
Ma
y
Jun
e
July
Au
gu
st
Se
pte
mb
er
Oct
ob
er
No
vem
be
r
De
cem
be
r
2010
2011
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Maintaining the Improvements
• AGM Committee meets weekly.
– Identifies short- and long-term solutions for issues.
– Identifies modifications to policies and procedures.
– Performs campaign tracking and updates.
• Depot management conducts a Quality Control check geared towards PTSB cases.
– 10 buses are checked per day at each depot.
• “Report Card” audits held at each depot.
– At the end of the audit, all depot management personnel ride a bus to look at it from the customer’s point of view.
• Customer Services conducts audits of PTSB issues at each depot to ensure that critical safety campaigns are completed.
• Bus Merger Team conducts quality audits.
• S.O. Re-Rack Audits are held each day and documented in SPEAR (1 bus per day per depot).
• Random inspections of depots are held jointly by the PTSB, OSS, and ACMO, Customer Services.
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Detailed Explanation of Failure Modes and Retrofits
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OEM Installation in Orion VII Bus
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Issues with OEM UnitLoosening of Mounting to Panel
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Issues with OEM UnitAssembly Components Falling Apart
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Issues with OEM UnitMissing Rivets Securing Plate to Assembly
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Issues with OEM UnitCracks in Blower Housing
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NYCT Retrofit Kit
Frame Mount Bracket
Blower Assy. Mount Bracket
Cover-plate
Panel reinforcement Bracket (Upper)
Panel reinforcement Bracket (Lower)
Retainer Brackets
U-Clamp
Blower Assy.
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ReworkShop Rebuilt Unit with Pre-Assembled Bracketry
New or repaired blower housing and blower plate
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ReworkStep 1: Mount Bracket to Frame
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ReworkStep 2: Reinforce Panel
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ReworkStep 3: Mount Blower Assembly
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ReworkStep 4: Install Upgraded Coverplate
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ReworkStep 5: Install Grille & Retainer Brackets
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Conclusion
• In order to keep focus and maintain the results we have achieved so far we will continue with:
– Depot management conducts Quality Control check geared towards PTSB cases.
– “Report Card” audits held at each depot.
– Customer Services conducts audits of PTSB issues at each depot to ensure that critical safety campaigns are completed.
– S.O. Re-Rack Audits held each day and documented in SPEAR.
– Random inspections of depots held jointly by the PTSB, OSS, and ACMO, Customer Services.