4c Supp

Item No.:          4c_supp
Meeting Date:      August 5, 2014 
Main Terminal Low Voltage
System Upgrade

Many Factors Drive this Project 
Risk of interruption of operations due to old
equipment at or beyond end of life 
Violations with current building codes that include
potential safety impacts 
System configuration obsolete  daisy chained 
Panel schedules grossly outdated  risk during
shutdowns 
Maintenance issues such as lack of replacement
parts 
Existing system has no capacity for new added
customer equipment

Code Violations 
Electrical Room Inside Chase  Electrical Room Inside Chase

Feeder Upgrades

Panel Schedules

Extent of Work 
Equipment in Main Terminal to be replaced: 
21-33+ individual risers 
150+ electrical panelboards 
300,000+ linear feet of conductor/wiring(~57 miles) 
30 new meters 
15 new electrical closets/rooms 
9 motor control centers & 30 circuit breakers 
3 distribution panels & transformers

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