The views, comments, procedures, etc. expressed in this presentation are primarily those of the presenter.

Brief overview of a study done for MTA/LIRR of New York City

Car Maintenance Shop

Presenter: William H. Harmon, Industrial EngineerSTV Inc. New York, NY

WORKFLOW PROCESS ANALYSIS

Objective is to create an efficient and productive workflow by:

• Minimize the distances travel between work areas.• Timely availability of parts, tools and equipment for performing

the job.

Page 2 of 9

Key Variables to consider:

• Directional flow of the work and/or parts.• Distances of travel.• Sequencing of work operations.

Page 3 of 9

WORKFLOW PROCESS ANALYSIS

EXISTING WORKFLOW

EXISTING WORKFLOW TO ELECTRIC COMPONENT SHOP

STOREROOM NO. 31

CAR REPAIR SHOP

MACHINE SHOP

TRUCK SHOP

COMPONENT

ELECTRIC

SHOP

FLOW DIRECTION

LEGEND

SHOP AREAS

MAINTENANCE SHOP

RAIL CARS

Page 4 of 9

Flow Direction

Flow Direction

Electric Component Shop

Car Repair Shop

Storeroom No. 31

EXISTING SHOP LAYOUT

Page 5 of 9

EXISTING ELECTRIC COMPONENT SHOP LAYOUT

7 12119865

4321

OR

ST

OR

ER

OO

M 3

1

FR

OM

CA

R R

EP

AI R

SH

OP

FR

OM

CA

R R

EP

AI R

SH

OP

TESTING CAGE

STOREROOM NO.111

ELECTRIC DOOR OPERATORS

10

RESISTORS GRIDS89

12

6,11 RELAYS AND MAGNET VALVESSWITCHES, CONTACTORS,

5 CONVERTERS

7

SALVAGE

GROUP BOXES

BEAD BLAST ROOM

CONTROLLERS, CAM

FLOW DIRECTION

SHOP AREAS

DESCRIPTION

FURNITURE, ETC.

AREA /

4321

LEGEND

FORKLIFT CHARGING

AND PANELS

Electric Component Shop

Flow Directions

Page 6 of 9

WORKFLOW DOCUMENTATION

DOOR OPERATORSRECEIVED FROM/SHIPPED TO

MAINTENANCE SHOP

WORKBENCHESELECTRIC COMPONENT SHOP

REPAIR AREA FORDOOR OPERATORS

STOREROOM NO. 30

DISASSEMBLED

EXISTING SUBSHOP WORKFLOW

*PARTS IN SATELLITESTOREROOM NO. 111

DOOR OPERATORSREMOVED/INSTALLEDAT CAR REPAIR SHOP

SEVERAL WORKERS

REPAIRED,REBUILT,

ASSEMBLED &TESTED

CLEANEDAT

WASH AREA

ELECTRICCOMPONENT SHOP

6B

2A

1A

2B

154 FT.

605 FT.

154 FT.

646 FT.

2

1 1B

7

6A

605 FT.7

6A 605 FT.

6

3

5

5

4

605 FT.

6A

XX

LEGENDWORKPACE

MAINTENANCE FUNCTIONS

FLOW DIRECTION

FLOW SEQUENCE

WORKER

FORKLIFT

Door Operators Functions Page 7 of 9

“START” FLOW

“END” FLOWTo Electric Component Shop and/or Maintenance Shop

Multiple functions performed

To Car Repair Shop and/or

Elec. Component Shop

PROPOSED LOCATION/WORKFLOW

STOREROOM NO. 31

CAR REPAIR SHOP

ELECTRIC COMPONENTSHOP

TRUCK SHOP

FLOW DIRECTION

LEGEND

SHOP AREAS

MAINTENANCE SHOP

RAIL CARS

FOR ELECTRIC COMPONENT SHOP

PROPOSED WORKFLOW

Page 8 of 9

Car Repair Shop

Electric Component Shop

New Layout For Electric Component Shop

PROPOSED WORKFLOW

Page 9 of 9

FLOW DIRECTION

SHOP AREAS

FURNITURE, ETC.

CONTROLLERS, CAM

BEAD BLAST ROOM

SALVAGE (RELOCATED)

GROUP BOXES

CONVERTERS

1

2

3

4

5

6,11

7

8

9

SWITCHES, CONTACTORS, RELAYS AND MAGNET VALVES

FORKLIFT CHARGING (RELOCATED)

RESISTORS GRIDS

STOREROOM NO.111

10

12

TESTING CAGE

ELECTRIC DOOR OPERATORS AND PANELS

LEGEND AREA DESCRIPTION AREA DESCRIPTION AREA DESCRIPTION

CAR REPAIR SHOPLocated to east

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Thanks for watching

Written and Produced by :

Instructional Technology Engineer :

Graphics by :

Song “ ” by :

Music Editor/Sampling :

William H. Harmon

William H. Harmon

William H. Harmon

Artist:

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