Previous Report for Buildings 35 and 36.pdf

MEDIUM-VOLTAGE

CIRCUIT BREAKE

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 ADDRESS

; 3600 30th St ; Des Moines IA 503

CMMS # ̀

EQPT. LOCATION

DATE 05-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID MAIN BRKR 52-2 SUBSTATION 36th St Service TEST STATUS Pass

MANUFACTURER:

BREAKER TYPE:

Square D

VR

CATALOG:

SERIAL NO.:

V5D6133Y000

17 59666

AGE:

BIL LEVEL:

8 YEARS

INTERRUPTING TIME: 3 CYCLES AMPACITY: 1200 A OPERATING VOLTAGE: 13.2 kV

INTERRUPT CAPACITY:

OTHER:

25 kA MAX VOLTAGE: 15 kV

OPERATING MECHANISM:

Spring-charged

VISUAL & MECHANICAL INSPECTION Sat Unsat N/A Note No.: Sat Unsat N/A Note No.:

Compare nameplate data with drawings & specifications.**

Check cell fit and element alignment.

Inspect physical and mechanical condition.

Inspect puffer operation.

Verify**/Utilize** correct application of manufacturer's recommended lubricants.

Check racking mechanism.

Inspect anchorage, alignment, grounding, arc chutes. Inspect moving and stationary contacts for condition, wear and alignment.

Clean unit prior to testing unless as-found and as-left tests are required.***

Perform circuit breaker travel time test.

Verify that all maintenance devices are available for servicing and operating the breaker.

Inspect all bolted electrical connections for high resistance using one of the following methods:

Low Resistance Ohmmeter Torque Wrench hermographic Survey Perform all mechanical operator (inc. slow close) and contact alignment tests on both the breaker and its operating mechanism.

**Acceptance Testing Only ***Maintenance Testing Only

TEST RESULTS

RESISTANCE

MEASUREMENTS

POLE 1 POLE 2 POLE 3

OVERPOTENTIAL TEST (in microamps)

AS FOUND AS LEFT AS FOUND AS LEFT AS FOUND AS LEFT

POLE 1 POLE 2 POLE 3 BOLTED CONNECTION

RESISTANCE

(Microhms)

Line - - - - - -

Load - - - - - - 1.1 1 1.2

CONTACT RESISTANCE

(Microhms) 34 34 41 41 37 37 Test kV 19 kV (VLF RMS) 27 kV MAX

COMMENTS:

DEFICIENCIES:

TESTED BY

INSULATION RESISTANCE in Megohm @ 5 kVdc

POLE 1 (P1-P2) POLE 2 (P2-P3) POLE 3 (P1-P3)

Pole to Pole 219,000 186,400 180,300

Pole to Frame 145,000 121,600 97,300

Line to Load 263,000 221,000 253,000

OPERATIONAL TESTS Performed/ Note Verified No.

Trip and close breaker with control switch.

Trip breaker by operating each protective device.

Verify trip-free and anitpump function.

Perform insulation resistance test on control wiring.

Verify operation of heaters.

PICK-UP VOLTAGE TEST

VOLTAGE RANGE PICK-UP VOLTAGE

Shunt Trip N/A N/A N/A

Close Coil N/A N/A N/A

TIMING TEST POLE 1 POLE 2 POLE 3

Open Speed - - -

Close Speed - - -

COUNTER

READING

AS FOUND 118

AS LEFT 119

CONTACT MEASUREMENT (in inches)

POLE 1 POLE 2 POLE 3

Contact Gap Sat Sat Sat

Contact Erosion Sat Sat Sat

BLOWOUT COIL

RESISTANCE (Ohms)

POLE 1 POLE 2 POLE 3 N/A

VACUUM BOTTLE INTEGRITY POLE 1 POLE 2 POLE 3 N/A

Test kV 15 (rms) 0.4uA 0.5uA

MEDIUM-VOLTAGE

CIRCUIT BREAKE

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 ADDRESS

USER 3600 30th St ; Des Moines IA 50310 CMMS #

EQPT. LOCATION

DATE 06-Oct-2017 TEMPERATURE 65 °F HUMIDITY 100 % CIRCUIT ID MAIN BRKR 52-1 SUBSTATION Douglas Service TEST STATUS Pass

MANUFACTURER:

BREAKER TYPE:

Square D

VR

CATALOG:

SERIAL NO.:

V5D6133Y000

17 59666

AGE:

BIL LEVEL:

8 YEARS

INTERRUPTING TIME: 3 CYCLES AMPACITY: 1200 A OPERATING VOLTAGE: 13.2 kV

INTERRUPT CAPACITY:

OTHER:

25 kA MAX VOLTAGE: 15 kV

OPERATING MECHANISM:

Spring-charged

VISUAL & MECHANICAL INSPECTION Sat Unsat N/A Note No.: Sat Unsat N/A Note No.:

Compare nameplate data with drawings &

Check cell fit and element alignment.

Inspect physical and mechanical condition.

Inspect puffer operation.

Verify**/Utilize** correct application of manufacturer's recommended lubricants.

Check racking mechanism.

Inspect anchorage, alignment, grounding, arc chutes. Inspect moving and stationary contacts for condition, wear and alignment.

Clean unit prior to testing unless as-found and as-left tests are required.***

Perform circuit breaker travel time test.

Verify that all maintenance devices are available for servicing and operating the breaker.

Inspect all bolted electrical connections for high resistance using one of the following methods:

Low Resistance Ohmmeter Torque Wrench hermographic Survey Perform all mechanical operator (inc. slow close) and contact alignment tests on both the breaker and its operating mechanism.

TEST RESULTS

MEASUREMENTS

POLE 1 POLE 2 POLE 3

OVERPOTENTIAL TEST (in microamps)

AS FOUND AS LEFT AS FOUND AS LEFT AS FOUND AS LEFT

POLE 1 POLE 2 POLE 3 BOLTED CONNECTION

RESISTANCE

(Microhms)

Line - - - - - -

Load - - - - - - 7.3 7.0 7.7

CONTACT RESISTANCE

(Microhms) 22 22 26 26 27 27 Test kV 19 kV (VLF RMS) 27 kV MAX

TESTED BY:

INSULATION RESISTANCE in Megohm @ 5 kVdc

POLE 1 (P1-P2) POLE 2 (P2-P3) POLE 3 (P1-P3)

Pole to Pole 15900 8550 13700

Pole to Frame 5100 6450 6650

Line to Load 11600 12300 11700

OPERATIONAL TESTS Performed/ Note Verified No.

Trip and close breaker with control switch.

Trip breaker by operating each protective device.

Verify trip-free and anitpump function.

Verify operation of heaters.

PICK-UP VOLTAGE TEST

VOLTAGE RANGE PICK-UP VOLTAGE

Shunt Trip N/A N/A N/A

Close Coil N/A N/A N/A

TIMING TEST POLE 1 POLE 2 POLE 3

Open Speed - - -

Close Speed - - -

COUNTER

READING

AS FOUND

AS LEFT

CONTACT MEASUREMENT (in inches)

POLE 1 POLE 2 POLE 3

Contact Gap SAT SAT SAT

Contact Erosion SAT SAT SAT

BLOWOUT COIL

RESISTANCE (Ohms)

POLE 1 POLE 2 POLE 3 N/A

VACUUM BOTTLE INTEGRITY POLE 1 POLE 2 POLE 3 N/A

Test kV 15 AC 3.1 2.6 2.9

AIR SWITCH

CUSTOMER 4

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

COMMENTS:

DEFICIENCIES:

TEST EQUIPMENT USED: TEST

C.

Pole 1 (P1-P2) Pole 2 (P2-P3) Pole 3 (P3-P1)

Pole to Pole 38,700 27,200 41,900 Pole to Ground 15,600 21,000 17,100

Line to Load 44,400 49,700 58,900

OVERPOTENTIAL TEST (Microamps) @ 27 kV AC

Pole 1 Pole 2 Pole 3

450 520 520

DATE 05-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID Feeder #1 Switch

NAMEPLATE DATA FUSE DATA

Manufacturer: Square D Manufacturer: N/A

Type: Load Current Interruptor Switch Class: N/A

Serial No: N/A Catalog No: N/A

Voltage: 15 Amps: 600 Voltage: N/A Amps: N/A

Catalog No: N/A Interrupt Rating: N/A Holder:

N/A B.I.L. Rating: 95 Other: Refill Element Type: N/A

Momentary Fault Closing Amp: 40 kA T.C.C. No: N/A

VISUAL AND MECHANICAL INSPECTION

Sat Unsat N/A Note No.:

Compare nameplate data with drawings and

Compare switchblade clearances with industry standards.

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for high resistance using one of the following methods:

Verify that expulsion-limiting devices are in place on all holders having expulsion-type elements.

Verify that each fuse holder has adequate mechanical support.

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.** Test all interlocking systems for correct operation and sequencing.

ELECTRICAL TESTS

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) N/A N/A N/A N/A N/A N/A Fuse Holder - Top/Bottom (Microhms) N/A / N/A N/A / N/A N/A / N/A N/A / N/A N/A / N/A N/A / N/A

Contact Resistance (Microhms) 59 59 61 61 65 65

Counter Reading

As Found

As Left

CUSTOMER 5

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

COMMENTS:

DEFICIENCIES:

Pole to Pole 45,300 32,900 39,100

Line to Load 57,600 53,200 54,000

360 300 320

DATE 05-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID Feeder #2 Switch

Type: Load Current Interruptor Switch Class: N/A

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.**

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) N/A N/A N/A N/A N/A N/A Fuse Holder - Top/Bottom (Microhms) N/A / N/A N/A / N/A N/A / N/A N/A / N/A N/A / N/A N/A / N/A

Contact Resistance (Microhms) 63 63 69 69 65 65

As Found

CUSTOMER 6

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

COMMENTS:

DEFICIENCIES:

Pole to Pole 44,500 34,300 35,500

Line to Load 54,600 42,300 49,900

240 240 230

DATE 05-Oct-2017 TEMPERATURE 57 °F HUMIDITY 86 % CIRCUIT ID Feeder #3 Switch

Manufacturer: Square D Manufacturer: Square D

Type: Load Current Interruptor Switch Class: N/A

Serial No: N/A Catalog No: 175GDMSJD25E

Voltage: 15 Amps: 600 Voltage: 17.5 kV Amps: 25

Catalog No: N/A

Interrupt Rating: 65 kA Holder:

Clip B.I.L. Rating: 95 Other:

Refill Element Type: N/A

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.**

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) 51,000 51,000 51,000 51,000 51,000 51,000 Fuse Holder - Top/Bottom (Microhms) 51 / 49 51 / 49 55 / 57 55 / 57 61 / 54 61 / 54

Contact Resistance (Microhms) 60 60 66 66 66 66

As Found

CUSTOMER 7

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

COMMENTS:

DEFICIENCIES:

Pole to Pole 36,700 29,800 31,300

Line to Load 39,100 43,600 57,200

340 300 300

DATE 05-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID Main Switch

Type: Load Current Interruptor Switch Class: N/A

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.**

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) 51,000 51,000 51,000 51,000 51,000 51,000 Fuse Holder - Top/Bottom (Microhms) 55 / 54 55 / 54 49 / 53 49 / 53 57 / 61 57 / 61

Contact Resistance (Microhms) 61 61 66 66 64 64

As Found

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 ; 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

COMMENTS:

DEFICIENCIES:

TEST EQUIPMENT TESTED BY:

Pole to Pole 14500 14300 14600 Pole to Ground 5100 5220 5400

Line to Load 9850 11800 8750

339 332 374

EQPT. LOCATION Douglas Station DATE 06-Oct-2017 TEMPERATURE 72 °F HUMIDITY 100 % CIRCUIT ID Feeder #1 Switch

Type: Load Current Interruptor Switch Class: N/A

Catalog No: 44036-0325-0 Interrupt Rating: N/A Holder:

B.I.L. Rating: 95 Other: N/A Refill Element Type: N/A

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.**

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) N/A N/A N/A N/A N/A N/A Fuse Holder - Top/Bottom (Microhms) N/A / N/A N/A / N/A N/A / N/A N/A / N/A N/A / N/A N/A / N/A

Contact Resistance (Microhms) 51 47 61 53 48 45

As Found

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310

3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

COMMENTS:

TEST EQUIPMENT US

Pole to Pole 14500 14300 14600 Pole to Ground 5100 5220 5400

Line to Load 9400 12200 13500

244 235 235

DATE 06-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID Feeder #2 Switch

Type: Load Current Interruptor Switch Class: N/A

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.**

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) NA NA NA NA NA NA Fuse Holder - Top/Bottom (Microhms) NA / NA NA / NA NA / NA NA / NA NA / NA NA / NA

Contact Resistance (Microhms) 52 49 54 48 54 52

As Found

CUSTOMER 10

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

TES

Pole to Pole 10500 11700 10700 Pole to Ground 4340 5050 4640

Line to Load 4840 6250 5500

74 61 88

DATE 06-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID Main Switch

Type: Load Current Interruptor Switch Class: N/A

Catalog No: 44036-325-50 Interrupt Rating: N/A Holder:

B.I.L. Rating: 95 Other: N/A Refill Element Type: N/A

Sat Unsat N/A Note No.:

Inspect physical and mechanical condition. Inspect all indicating and control devices for correct operation. Verify**/Utilize***correct application of manufacturer's recommended lubricants. Inspect insulating assemblies for evidence of physical damage or contaminated surfaces.*** Verify appropriate anchorage and required area clearances. Exercise all active components.***

Verify appropriate equipment grounding. Verify operation of heaters, if applicable.

Verify correct blade alignment, blade penetration, travel stops, and mechanical operation.

Clean unit prior to testing unless as-found and as-left tests are required.***

Verify that fuse sizes and types are in accordance with drawings, short-circuit and coordination studies. Inspect all bolted electrical connections for

Low Resistance Torque Ohmmeter Wrench

Thermographic Survey

Verify correct phase-barrier materials and installation.**

MEASUREMENTS

POLE 1 POLE 2 POLE 3

As Found As Left As Found As Left As Found As Left

Fuse Resistance (Microhms) NA NA NA NA NA NA Fuse Holder - Top/Bottom (Microhms) NA / NA NA / NA NA / NA NA / NA NA / NA NA / NA

Contact Resistance (Microhms) 48 46 44 40 47 42

Sat Unsat N/A Note No.:

Perform insulation resistance test on control wiring.

C2. HEATER HAS BEEN OFF FOR THE MORNING AND IT IS RAINING POSSIBLY CAUSING LOW READINGS.

C1. INSULATION RESISTANCE PHASE TO PHASE, PHASE TO GROUND PERFORMED WITH SWITCH OPEN ON LINE SIDE OF MAIN.

As Found

SLOPE METHOD

CUSTO 11

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 503103600 30th St ; Des Moines IA 50310 ADDRESS

USER CMMS #

www.powerdb.com

DATE 05-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID Fall of Potential

TYPE OF GROUND ROD Copper NUMBER OF GROUND RODS 1

DIAMETER OF GROUND ROD

SOIL TYPE Diry

1/2 INCHES LENGTH OF GROUND RODS

SOIL CONDITION: DRY

Unknown

DAMP WET

FEET

GROUND TESTER SERIAL NUMBER 158807NEDV LAST CALIBRATION DATE Jan-2017

PROBE PLACEMENT DIRECTION NORTH

280 DISTANCE FROM GROUND ELECTRODE TO C IN FEET

Interpolate Result

Measure Result

SLOPE CHANGE RESISTANCE/DISTANCE CURVE 1.50

PT / C

PT / (ft)

RESULT (ohms):

0.388

108.6

0.48

TEST EQUIPMENT USED: TESTED B

"P" PROBE

POSITION

PERCENT OF

OVERALL DISTANCE

DISTANCE IN

FEET

(GROUND ELECTRODE TO P)

RESISTANCE

READING

(OHMS)

R1 20.00 %C 56.0 0.46

R2 40.00 %C 112.0 0.48

R3 60.00 %C 168.0 0.51

CONNECTING CONDUCTOR SIZE 18(?) AWG CONNECTING CONDUCTOR BARE INSULATED

DIAGONAL MEASUREMENT OF GROUND GRID N/A FEET GROUND TESTER MAKE/MODEL AEMC MODEL 6472 http://www.powerdb.com/

SLOPE METHOD

CUSTO 12

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 503103600 30th St ; Des Moines IA 50310 ADDRESS

USER CMMS #

www.powerdb.com

DATE 10/8/2017 TEMPERATURE 80 °F HUMIDITY 38 % CIRCUIT ID Fall of Potential

TYPE OF GROUND ROD Copper NUMBER OF GROUND RODS 1

DIAMETER OF GROUND ROD

SOIL TYPE Dry

1/2 INCHES LENGTH OF GROUND RODS

SOIL CONDITION: DRY

Unknown

DAMP WET

FEET

GROUND TESTER SERIAL NUMBER 158807NEDV LAST CALIBRATION DATE Jan-2017

PROBE PLACEMENT DIRECTION NORTH

200 DISTANCE FROM GROUND ELECTRODE TO C IN FEET

Interpolate Result

Measure Result

SLOPE CHANGE RESISTANCE/DISTANCE CURVE 0.71

PT / C

PT / (ft)

RESULT (ohms):

0.595

119.0

0.53

TEST EQUIPMENT TESTED BY:

"P" PROBE

POSITION

PERCENT OF

OVERALL DISTANCE

DISTANCE IN

FEET

(GROUND ELECTRODE TO P)

RESISTANCE

READING

(OHMS)

R1 20.00 %C 40.0 0.41

R2 40.00 %C 80.0 0.48

R3 60.00 %C 120.0 0.53

CONNECTING CONDUCTOR SIZE 18(?) AWG CONNECTING CONDUCTOR BARE INSULATED

DIAGONAL MEASUREMENT OF GROUND GRID N/A FEET GROUND TESTER MAKE/MODEL AEMC MODEL 6472 http://www.powerdb.com/

DISTRIBUTION SWITCHGEAR

DATASHEET

CUSTOMER 13

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

Sat Unsat N/A Note No.: Visual and Mechanical Inspection Sat Unsat N/A Note No.:

COMPARE NAMEPLATE DATA WITH

DRAWINGS AND SPECIFICATIONS

INSPECT PHYSICAL AND MECHANICAL CONDITION

INSPECT ANCHORAGE, ALIGNMENT,

GROUNDING AND CLEARANCES

UNIT IS CLEAN. NO LOOSE PARTS. SHIPPING

BRACES AND DOCUMENTATION REMOVED

VERIFY FUSE AND BREAKER SIZES CORRESPOND

TO DRAWINGS AND COORDINATION STUDY

VERIFY CURRENT AND VOLTAGE TRANSFORMER

RATIOS CORRESPOND TO DRAWINGS

INSPECT BOLTED CONNECTIONS BY DLRO,

TORQUE WRENCH OR INFRARED SURVEY

CONFIRM OPERATION AND SEQUENCE OF

ELECTRICAL AND MECHANICAL INTERLOCKS

Visual and Mechanical Inspection

VERIFY APPROPRIATE LUBRICATION OF

CURRENT-CARRYING AND MECHANICAL PARTS

INSPECT INSULATORS FOR PHYSICAL DAMAGE

AND CONTAMINATION

VERIFY BARRIER AND SHUTTER

INSTALLATION AND OPERATION

EXERCISE ALL ACTIVE COMPONENTS

INSPECT MECHANICAL INDICATING DEVICES

FOR PROPER OPERATION

VERIFY THAT FILTERS ARE IN PLACE

AND VENTS ARE CLEAR

VISUAL AND MECHANICAL INSPECTION

OF INSTRUMENT TRANSFORMERS

INSPECT CONTROL POWER TRANSFORMERS

DATE 05-Oct-2017 TEMPERATURE 72 °F HUMIDITY 86 % CIRCUIT ID 36th St Service Bus

GENERAL INFORMATION

MANUFACTURER

VOLTAGE CLASS

Square D

15kV

SERIAL NO.

TYPE

N/A

Metal Clad Switchger

DWGS. NA

CONSISTING OF: 1 TOTAL BREAKERS 2 TOTAL INSTRUMENTS 1 TOTAL RELAYS

INSULATION RESISTANCE

BUS SECTION RESISTANCE IN MEGOHMS @ 5 KVDC

A-B B-C C-A A-NEU. B-NEU. C-NEU. A-GND B-GND C-GND N-GND

Enitre Load Side of Breaker 16000 184000 138000 - - - 5700 7850 7410 -

OVERPOTENTIAL TEST

BUS SECTION READINGS IN MICROAMPS @ 27 KVAC

COMMON BUS 700 650 650 - - - 700 650 650 -

BUS CONNECTIONS

BUS SECTION RESISTANCE IN MICRO-OHMS

FROM TO A B C N G

Main Breaker Feeder 1 219 212 190 - -

Main Breaker Feeder 2 245 239 278 - -

Main Breaker Feeder 3 274 289 299 - -

DISTRIBUTION SWITCHGEAR

DATASHEET

CUSTOMER 14

91000604

PAGE

JOB # 3600 30th St ; Des Moines IA 50310 3600 30th St ; Des Moines IA 50310

ADDRESS

USER CMMS #

EQPT. LOCATION

TESTED BY:

Sat Unsat N/A Note No.: Visual and Mechanical Inspection Sat Unsat N/A Note No.:

COMPARE NAMEPLATE DATA WITH

DRAWINGS AND SPECIFICATIONS

INSPECT PHYSICAL AND MECHANICAL CONDITION

INSPECT ANCHORAGE, ALIGNMENT,

GROUNDING AND CLEARANCES

UNIT IS CLEAN. NO LOOSE PARTS. SHIPPING

BRACES AND DOCUMENTATION REMOVED

VERIFY FUSE AND BREAKER SIZES CORRESPOND

TO DRAWINGS AND COORDINATION STUDY

VERIFY CURRENT AND VOLTAGE TRANSFORMER

RATIOS CORRESPOND TO DRAWINGS

INSPECT BOLTED CONNECTIONS BY DLRO,

TORQUE WRENCH OR INFRARED SURVEY

CONFIRM OPERATION AND SEQUENCE OF

ELECTRICAL AND MECHANICAL INTERLOCKS

Visual and Mechanical Inspection

VERIFY APPROPRIATE LUBRICATION OF

CURRENT-CARRYING AND MECHANICAL PARTS

INSPECT INSULATORS FOR PHYSICAL DAMAGE

AND CONTAMINATION

VERIFY BARRIER AND SHUTTER

INSTALLATION AND OPERATION

EXERCISE ALL ACTIVE COMPONENTS

INSPECT MECHANICAL INDICATING DEVICES

FOR PROPER OPERATION

VERIFY THAT FILTERS ARE IN PLACE

AND VENTS ARE CLEAR

VISUAL AND MECHANICAL INSPECTION

OF INSTRUMENT TRANSFORMERS

INSPECT CONTROL POWER TRANSFORMERS

DATE 10/6/2017 TEMPERATURE 65 °F HUMIDITY 100 % CIRCUIT ID Douglas Ave Bus

GENERAL INFORMATION

MANUFACTURER

VOLTAGE CLASS

Square D

15kV

SERIAL NO.

TYPE

17-25051529-035

Metal Clad Switchger

DWGS. NA

CONSISTING OF: 1 TOTAL BREAKERS 2 TOTAL INSTRUMENTS 1 TOTAL RELAYS

INSULATION RESISTANCE

BUS SECTION RESISTANCE IN MEGOHMS @ 5 KVDC

PANEL 14500 14300 14600 - - - 5100 5220 5400 -

OVERPOTENTIAL TEST

BUS SECTION READINGS IN MICROAMPS @ 27 KVAC

COMMON BUS 550 600 600 - - - 550 600 600 -

BUS CONNECTIONS

BUS SECTION RESISTANCE IN MICRO-OHMS

FROM TO A B C N G

Feeder 1 Feeder 2 75 79 80 - -

Feeder 1 Main Breaker 180 195 200 - -