Substation Maintenance Cascade Software Application APPA E & O Conference, San Antonio TX March 8,2004 . Joe Bryson - Director Substation Operations City Utilities of Springfield, Missouri

Substation Group A 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 Management with Cascade Comprehensive equipment listing with nameplate information

Cascade nameplate info

Cascade maintenance history

Cascade Maintenance comments

Asset Management with 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 Management with 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?