(Contractor)
SN099021
Page 1 of 9
EXHIBIT E
EQUIPMENT LISTING
1.0
INTRODUCTION
This is a list of the equipment that is to be part of the maintenance service.
2.0
SCOPE
The following apparatus shall be tested in accordance with section 3.0 of this proposal.
Switchgear for Sub-Station 2
FPE OPEN AIR SWITCH
2.1
Three (3) sections
2.1.1
One (1) Switch Ckt. #1
FPE Load Interrupter Switch
2.1.2
One (1) Switch Ckt. #4
FPE Load Interrupter Switch
STEP DOWN TRANSFORMER
2.1.3
One (1) 1680 KVA Oil Transformer
12,000V Delta - 2,400V Delta
MEDIUM VOLTAGE SWITCHGEAR, FEED BREAKERS
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
2.1.9
2.1.10
2.1.11
2.1.12
2.1.13
2.1.14
2.1.15
Ten (10) Section Switchgear
Three (3) Potential Transformers
One (1) Feeder Breaker M2,
Howe -Yin - North
1200 Amp Vacuum Canister Breaker
Four (4) Over Current Relays GE
One (1) Buss Voltmeter
One (1) Amp meter
One (1) Control Transformer
One (1) Feeder Breaker F2A
Howe -Yin – North
1200 Amp Vacuum Canister Breaker
Three (3) Over Current Relays GE
One (1) Ground relay
One (1) Amp meter
One (1) Feeder Breaker F2B,
Howe - Yin – North
(Contractor)
SN099021
Page 2 of 9
2.1.16
2.1.17
2.1.18
2.1.19
2.1.20
2.1.21
2.1.22
1200 Amp Vacuum Canister Breaker
Three (3) Over Current Relays GE
One (1) Ground Relay B&B
One (1) Amp meter
One (1) Feeder Breaker F2C,
Howe - Yin – North
1200 Amp Vacuum Canister Breaker
Three (3) Over Current Relays GE
One Ground Relay B&B
One (1) Amp meter
Switchgear for Sub-Station 3
FPE OPEN AIR SWITCH
2.2
2.2.1
2.2.2
Three (3) Sections Switchgear
One (1) Switch Ckt. #1
FPE Load Interrupter Switch
One (1) Switch Ckt. #4
FPE Load Interrupter Switch
STEP DOWN TRANSFORMER
2.2.3
2.2.4
Two (2) Section Transformer
One (1) 1680 KVA Oil Transformer 12,000V Delta - 2,400V
Delta
SWITCHGEAR FEED BREAKERS
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.10
2.2.11
2.2.12
2.2.13
2.2.14
2.2.15
2.2.16
Ten (10) Section Switchgear
Three (3) Potential Transformers
One (1) Feeder Breaker M3,
Howe - Yin - North
1200 Amp Vacuum Canister Breaker
Four (4) Over Current relays GE
One (1) Buss voltmeter
One (1) Amp meter
One (1) Control Transformer
One (1) Feeder Breaker F3A
Howe - Yin - North
1200 Amp Vacuum Canister Breaker
Three (3) Over Current Relays GE
One (1) Ground Relay B&B
One (1) Amp meter
One (1) Feeder Breaker F3B
Howe - Yin - North
(Contractor)
SN099021
Page 3 of 9
2.2.17
2.2.18
2.2.19
2.2.20
2.2.21
2.2.22
2.2.23
1200 Amp Vacuum Canister Breaker
Three (3) Over Current Relays GE
One (1) Ground Relay B&B
One (1) Amp meter
One (1) Feeder Breaker F3C
Howe - Yin - North
1200 Amp Vacuum Canister Breaker
Three (3) Over Current Relays GE
One (1) Ground Relay B&B
One (1) Amp meter
Additional Medium Voltage Breaker
2.3
3.0
One (1) Spare Breaker
Cutler Hammer
1200 Amp Vacuum Canister Breaker
PROCEDURES
3.1
Switchgear and Switchboard Assemblies – General
3.1.1 Visual and Mechanical Inspection
.1
Documentation of equipment nameplate data.
.2
Inspection for physical damage, electrical, and mechanical
condition.
.3
Inspection for proper alignment, anchorage, required area
clearances and grounding.
.4
Inspection all doors, panels, and sections for paint, dents,
scratches, fit, and missing hardware.
.5
Inspection for proper identification of protective devices and
switches.
.6
Verification of tightness of all bolted bus joint connections by
calibrated torque-wrench method.
.7
Cleaning of interior enclosures, insulator surfaces, cables, and
bussing. Remove all exterior and interior panels as needed to
clean and perform inspections. Inspect insulators for evidence of
physical damage or contaminated surfaces.
.8
Replace all space heaters located within the switchgear identified
within this service contract. Replacement heaters are to match
(Contractor)
SN099021
Page 4 of 9
existing. Verify proper operation of space heaters and thermostat
settings after replacement.
.9
Cleaning and lubrication of operating mechanism per manufacture
recommendations.
.10
Verification that filters are in place and/or vents are clean and
clear.
.11
Verification of operating mechanism for alignment and clearances.
3.1.2 Electrical Tests
.1
3.2
Measurement of insulation resistance of each bus section phaseto-phase and phase-to-ground.
Medium Voltage Vacuum Circuit Breakers
3.2.1 Visual and Mechanical Inspection
.1
Documentation of equipment nameplate data.
.2
Inspection for physical damage.
.3
Cleaning and lubrication of operating mechanism.
.4
Inspection of breaker for cell alignment, anchorage and
grounding.
.5
Verification of operating mechanism for alignment and clearances.
.6
Documentation of as-found and as-left operation counter
readings.
.7
Inspection of indicator for contact wear and measurement of
critical distances such as contact gap in accordance with
manufacturer's instructions.
.8
Verification of tightness of accessible bolted connections by
calibrated torque-wrench method.
3.2.2 Electrical Tests
.1
Measurement of contact resistance.
(Contractor)
SN099021
Page 5 of 9
3.3
.2
Circuit breaker tripping by operation of each protective device.
.3
Closing and tripping of the breaker with the local control switch
and verification of trip, close, trip-free, and anti pump functions.
.4
Insulation resistance testing phase-to-ground, phase-to phase and
across open contacts.
.5
Vacuum bottle integrity testing on each phase in accordance with
manufacturer's instructions.
Protective Relays
3.3.1 Visual and Mechanical Inspection
.1
Documentation of equipment nameplate data.
.2
Inspection of relays for physical damage.
.3
Inspection for presence of foreign material, moisture, corrosion,
condition of spiral spring and disc clearance on electromechanical relays.
.4
Verification of tightness of case connections. Inspection of cover
for correct gasket seal. Inspection of shorting hardware,
connection paddles, and/or knife switches. Removal of any foreign
material from the case.
.5
Verification of target reset.
.6
Cleaning of cover glass and relay components as required.
3.3.2 Electrical Tests
.1
Testing of the following:
•
•
•
•
•
Pickup parameters on each operating element
Timing at three points on time characteristic curve
Pickup target and seal-in units, as applicable
Verification of operation of indicators
Special tests as required to check operation of restraint,
directional and other elements.
.2
On electro-mechanical relays only, testing of insulation resistance
on each circuit branch to frame.
.3
Verification that each of the relay contacts operates its associated
device.
(Contractor)
SN099021
Page 6 of 9
3.4
Metering and Instrumentation
3.4.1 Visual and Mechanical Inspection
.1
Documentation of device nameplate data.
.2
Inspection of all devices for physical damage and connection
tightness.
.3
Verification of all instrument multipliers and scale factors.
3.4.2 Electrical Tests
.1
3.5
Calibration of all panel meters at all cardinal points.
Transformers – Liquid Filled
3.5.1 Visual and Mechanical Inspection
.1
Documentation of equipment nameplate data.
.2
Inspection for physical damage, proper installation, anchorage
and grounding.
.3
Cleaning of all bushing and insulator surfaces.
.4
Verification of dielectric liquid in tank and bushings for proper level
and leaks.
.5
Documentation of pressure gauge reading, if applicable.
.6
Verification that final tap setting is as specified.
.7
Verification of tightness of external bolted electrical connections.
3.5.2 Electrical Tests
.1
.2
.3
Insulation resistance testing winding-to-winding and winding toground.
Turns ratio testing between windings for set tap position.
Verification that winding polarities are in accordance with
nameplate.
Measurement of resistance of each high-voltage winding in the
as-found no-load tap-changer position. Measurement of
(Contractor)
SN099021
Page 7 of 9
resistance of each low-voltage winding at the as-found load tapchanger position, if applicable.
.4
Dielectric absorption testing from winding-to-winding and windingto-ground for ten minutes. Calculation of then polarization index.
.5
Sampling of insulating oil in accordance with ASTM D-923.
Sample is laboratory tested for:
•
•
•
•
•
•
.6
3.6
Dielectric strength: ASTM D-877
Acid neutralization number: ASTM D-974
Interfacial tension: ASTM D-971
Color number: ASTM D-1500
Visual Condition: ASTM D-1524
Moisture content: ASTM D-1533
Sampling of insulating liquid in accordance with ASTM D3613 and
performance of dissolved gas analysis (DGA) in accordance with
ANSI/IEEE C5704 or ASTM D-3612.
Molded Case Circuit Breakers
3.6.1 Visual and Mechanical Inspection
.1
Documentation of equipment nameplate data.
.2
Inspection of circuit breaker for physical damage.
.3
Verification of circuit breaker smooth operation.
.4
Verification of tightness of accessible bolted connections and/or
cable connections by calibrated torque-wrench method.
3.6.2 Electrical Tests
.1
Measurement of contact resistance by millivolt drop method at trip
unit rated current or by digital low resistance ohmmeter method.
.2
Measurement of long-time delay by primary current injection at
three times long-time pickup current.
.3
Measurement of instantaneous pickup current by primary current
injection.
.4
Insulation resistance testing from pole-to-pole and from each poleto-ground with breaker closed and across open contacts of each
phase.
(Contractor)
SN099021
Page 8 of 9
3.7
Automatic Transfer Switches
3.7.1 Visual and Mechanical Inspection
.1
Documentation of equipment nameplate data.
.2
Inspection for physical damage and anchorage.
.3
Verification of proper manual transfer operation.
.4
Verification that manual transfer instructions and warning labels
are installed and visible.
.5
Cleaning and lubrication of transfer mechanism, as required.
Verification of alignment and operation in accordance with
manufacturer's instructions.
.6
Verification of tightness of all cable connections, control
connections and bus joints.
3.7.2 Electrical Tests
.1
Verification of operation and timing of the following items as
applicable:
•
•
•
•
•
•
•
•
•
"Normal" voltage sensing relays
"Alternate" voltage sensing relays
Test switch
Engine start sequence
Time delay upon transfer
Alternate voltage sensing relay
Time delay and re-transfer upon normal power restoration
Engine cool-down time delay and shutdown
In-phase monitor
.2
Contact resistance measurements on each pole.
.3
Insulation resistance testing of phase-to-phase and phase toground with switch in both source positions.
.4
Verification of setting and calibration in accordance with
customer's specifications:
•
•
•
•
"Normal" voltage sensing relays
"Emergency" voltage sensing relays
Time delay for engine start
Time delay transfer to emergency
(Contractor)
SN099021
Page 9 of 9
•
•
3.8
Time delay for re-transfer upon normal power restoration
Engine cool-down time delay
Additional Conditions and Services
3.8.1 Testing Equipment
.1
All meters, and associated testing equipment are to have been
calibrated, certified and identified as such within the last year.
.2
Contractor is to attach a self-adhering label to each piece of
equipment tested. This label is to be approximately two inches by
two inches and have the following information:
•
•
•
•
Name of Company performing service.
Telephone number of the Company.
Name of the person performing the service on the specific
piece of equipment.
The date that the service was performed.
3.8.2 Replace Strip Heaters
.1
The Contractor is to identify the type and number of strip heaters
located within the switchgear to be addressed in this service
contract prior to any shutdowns.
.2
At the time of the shutdown, the Contractor is to replace all strip
heaters with exact type located within the switchgear, and identify
the date of installation on the specific heater.