Computerized maintenance management system (cmms)

COMPUTERIZED MAINTENANCE
MANAGEMENT SYSTEM(CMMS)
Shivaji Choudhury

COMPUTERIZED MAINTENANCE
MANAGEMENT SYSTEM(CMMS)
 A CMMS software package maintains
a computer database of information
about an organization’s maintenance
operations.
 This information is intended to help
maintenance workers do their jobs
more effective.

Benefits
 Achieving high efficiency.
 Minimizing usage of parts and labor.
 Maximizing usage of equipments and
minimizing downtime.
 Maximizing equipments lifetime and
replacement period.
 Minimizing maintenance and operation
costs.
 Maximizing profits.
 Raising performance levels.
 Allows the safe and efficient functioning.

The CMMS enables management to:
 Schedule preventive and predictive
maintenance procedures, and parts and
labor utilization for maintenance tasks.
 Project and monitor downtime and causes.
 Project and monitor costs, repairs, and
usage of spare parts and labor.
 Analyze failures, costs, maintenance
procedures, and resource usage.

Functional Requirements of CMMS
 1. Asset Management & Asset Register
Function
 2. Inventory Management Function
 3. Work Order Function
 4. Job Planning Function
 5. Resource Planning Function
 6. Schedule Planning Function
 7. Maintenance management
 8. Purchasing Function
 9. Reporting Functions

CMMS
Engineers
Spare
Parts Suppliers
Contracts
Work
Request
Work
Order maintenance
management
Restocking
Alert
Inventory
Management
Planning
Purchase
Order
Budget
Management

1. Asset Management & Asset
Register Function
 Location details of equipments and
it’s hierarchy.
 Building spare parts and sub-assembly
catalogues .
 Links to inventory management and
purchase functions.

2. Inventory Management Function
 Tracking of stocked and non-stocked
items through multiple stores.
 Tracking of items, costs and balances
by bin, lot and storeroom.
 Stock replenishment when inventory
falls below minimum levels
 ABC and XYZ analysis .

3. Work Order Function
 Viewing comprehensive and detailed planning
information such as
 • Work Plans
 • Target and scheduled date
 • Costs
 • Labour, materials, Skill set / crafts,
 • Failure analysis
 Predictive maintenance.
 Scheduling of work orders based on real time
criticality and logistics.

4. Job Planning Function
 Tracking of costs by operation or job
plan.
 Linking job plans sequentially, each
with it’s own parts, labour and tool
estimates.

5. Resource Planning Function
 Resource function shall allow to
maintain detailed resource
information to plan and analyze
maintenance work related to
company, service contract, tools etc.

6. Schedule Planning Function
 Scheduling function shall enable to
forecast future preventive
maintenance dates for resource
planning.

7. Maintenance Management
 Allows each asset / equipment to
have a defined maintenance profile
 Helps to schedule planned preventive
and predictive maintenance routines.
 Control maintenance procedures.

Computerized maintenance management system (cmms)

8. Purchasing Function
 Creation of purchase requisitions or
purchase orders either from scratch or
from the inventory or work order
modules.
 Analyzing of vendor performance before
ordering of part.
 Auto re-orders generation for the
spares, when stock falls below re-order
level.

9. Reporting Functions
 Standard Reports-Generation of
standard reports on work orders,
safety plans, inventory values and
other critical points about
maintenance operations.
 Report types- Capabilities shall
include columnar reports, forms, Bar
Charts, Pie Charts, Cross tabs etc.

CMMS- Computerized Maintenance Management System
ERP –Enterprise Resource Planning
EAM -Enterprise Asset Management

ERP or CMMS –
fundamental differences
 ERP
 ERP systems are built
around accounting.
 ERP systems often
takes fixed asset
module in accounting
as starting point.
 Covering basic
maintenance
functionality.
 CMMS
 CMMS systems are
developed with the
maintenance processes
in focus.
 Deeper functionality
for maintenance
specific tasks.

CMMS in ISA 95 - Control Hierarchy Levels
CMMS

Asset optimization and maintenance (CMMS) support

Case study :CMMS for bus fleet:
computer network

Case study : CMMS for bus fleet:
various modules

Case study :CMMS for bus fleet:
inventory module

Case study : CMMS for bus fleet:
Maintenance management module

Computerized maintenance management system (cmms)

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