Substation MaintenanceCascade Software Application

APPA E & O Conference, San Antonio TX

March 8,2004 .

Joe Bryson - Director Substation Operations

City Utilities of Springfield, Missouri

Substation GroupA brief overview

• 15 Electricians, 3 Technicians and 2 Supervisors• 42 Substations, 3 Power Generation Facilities• 200 Large Power Transformers• 415 Power Circuit Breakers• Repair Shop for Distribution Transformers• Duties include Construction, Operations and

Maintenance

Maintenance Tracking History

• ASSET system - Not Y2K compliant • Time base maintenance or RTF• Incomplete material history• Limited inspection capability• Difficult to change equipment or procedures

Why did City Utilities select CASCADE ?

• Designed for Substation Use

Cascade Navvigator

Why did City Utilities select CASCADE ?

• Designed for Substation Use• Easy to learn and use• System setup and changes are simplified• Inspection versatility• Field access to data

Asset Managementwith Cascade

• Comprehensive equipment listing with nameplate information

Cascade nameplate info

Cascade maintenance history

Cascade Maintenance comments

Asset Managementwith Cascade

• Equipment maintenance history• Maintenance comments• Specific maintenance triggers

• LTC tap changes per/day <0 or >20

• motor run time > .2 hours per/day

• Historical reports• Breaker operations & relay targets

Cascade breaker operations & relay targets

Asset Managementwith Cascade

• Equipment maintenance history• Maintenance comments• Specific maintenance triggers

• LTC tap changes per/day <0 or >20• motor run time > .2 hours per/day

• Historical reports• Breaker operations & relay targets• LTC operational history

Cascade LTC operation history

Field Units• Mobile computing

Field Units

• Mobile computing• Field Personnel can view

• Equipment List

• Nameplate information

• Maintenance and inspection history

• Work orders including maintenance procedures

Cascade work orders including maintenance procedures

Field Units• Field Inspections at any location

Cascade Inspection

Field Units

• Mobile computing• Field Personnel can view

• Equipment List

• Nameplate information

• Maintenance and inspection history

• Work orders including maintenance procedures

• Field Inspections at any location• Data transfer

Cascade data transfer

Employee Time Entry and Records

• Employees enter all productive and nonproductive time

• Time can be entered for one person or a whole crew

Cascade productive and nonproductive time sheet

cascade crew time entry

Employee Time Entry and Records

• Employees enter all productive and nonproductive time

• Time can be entered for one person or a whole crew

• Time sheets can be printed or electronically transmitted to company payroll department

• Statistical Maintenance Summaries

Some Lessons Learned

• Have an implementation plan and use a team approach

• Spend time training personnel• Computer training first if necessary

• CASCADE specific training

• Designate someone to be the responsible custodian of the system

Thank You!

Any Questions?