QSAP.pdf

QUALITY ASSURANCE SURVEILLANCE PLAN (QSAP)

Kortes Medium Voltage Circuit Breaker Refurbishment

DESCRIPTION WHAT WHO WHEN WHERE METHOD

A1 a Arc chutes.

Check condition

Vendor Upon arrival Vendor's facility

Vendor's facility b Contact wipe Check Vendor Upon arrival Vendor's facility

Vendor's facility c Contact Gap Check Vendor Upon arrival Vendor's facility

Vendor's facility d Phase insulators. Check Vendor Upon arrival Vendor's facility

Vendor's facility e Mechanical integrity of all moving parts. Check Vendor Upon arrival Vendor's facility

Vendor's facility f Interphase barriers. Check Vendor Upon arrival Vendor's facility

Vendor's facility g Frame and all castings for cracks. Check Vendor Upon arrival Vendor's facility

Vendor's facility

DESCRIPTION WHAT WHO WHEN WHERE METHODTASK

CONTRACT NO.:

CONTRACTOR:

CONTRACTING OFFICER

INSPECTOR(S)

TASK

h Operation of racking mechanism. Check Vendor Upon arrival Vendor's facility

Vendor's facility i Finger clusters. Check Vendor Upon arrival Vendor's facility

Vendor's facility j Auxiliary switches, wiring, and contacts (change of state). Check Vendor Upon arrival Vendor's facility

Vendor's facility k All position indicators and operations counter. Check Vendor Upon arrival Vendor's facility

Vendor's facility l Minimum and maximum coil operating voltages. Check Vendor Upon arrival Vendor's facility

Vendor's facility m Manual and electric open and close operations. Check Vendor Upon arrival Vendor's facility

Vendor's facility n Anti-pump feature.

Check for proper operation

Vendor Upon arrival Vendor's facility

Vendor's facility o Electrical and mechanical safety interlocks.

Check for proper operation

Vendor Upon arrival Vendor's facility

Vendor's facility

DESCRIPTION WHAT WHO WHEN WHERE METHOD

p Racking device and check interlocks.

Check for proper operation

Vendor Upon arrival Vendor's facility

Vendor's facility q Geared motor. Check Vendor Upon arrival Vendor's facility

Vendor's facility r Under-voltage release. Check Vendor Upon arrival Vendor's facility

Vendor's facility s Opening and closing release. Check Vendor Upon arrival Vendor's facility

Vendor's facility

A2 Insulation resistance Check Vendor Upon arrival Vendor's facility

Vendor's facility

All testing will be performed at 15kVDC.

Individual tests on primary current carrying components will be performed to include phase to phase, phase to ground, and testing of each pole piece, with the main contacts open.

Minimum acceptance value is 1GΩ or greater

DESCRIPTION WHAT WHO WHEN WHERE METHOD

A3 Insulation resistance of Secondary (control) circuits to ground Check Vendor Upon arrival Vendor's facility

Vendor's facility

Testing of the spring charging motor will be conducted at 500VDC.

Minimum acceptance value is 2MΩ or greater.

A4 Circuit breaker opening and closing Test Vendor Upon arrival Vendor's facility

Vendor's facility

At normal operating control voltage.

A5 Main contact Low resistance test

Vendor Upon arrival Vendor's facility

Vendor's facility

Ductor

A6 Circuit breaker trip features.

Test for proper operation

Vendor Upon arrival Vendor's facility

Vendor's facility

B1 All bearings, trip coils, closing coils, and closing latch pivot pin Replace Vendor During refurbishme nt

Vendor's facility

B2 Limit switch contacts Burnish or polish

Vendor During refurbishme nt

Vendor's facility

B3 Terminal connections Check and repair as needed

Vendor During refurbishme nt

Vendor's facility

C1 Individual moving components Lubricate Vendor During re-assembly

Vendor's facility

In accordance with equipment manufacturer's recommendations

DESCRIPTION WHAT WHO WHEN WHERE METHOD

C2 All latches, roller clearances, adjustable spring tensions and mechanical adjustments within the operating mechanism

Adjust Vendor During re-assembly

Vendor's facility

Per the applicable manufacturer’s specification and/or instruction bulletin.

C3 Main and arcing contact simultaneous make and wipe (main contact pressure) Adjust Vendor During re-assembly

Vendor's facility

Per manufacturer’s specifications.

C4 Wiring for the auxiliary circuits of the circuit breakers Replace Vendor During re-assembly

Vendor's facility

Use conductor rated for 600V with XHHW or

THHN insulation capable of withstanding 60°C temperature rise above ambient. Conductor ampacity ratings shall meet or exceed that of the original manufacturer. Ring type terminals shall be used for termination of all control wiring where applicable. These lugs shall be installed with tooling certified for the particular type and brand of lug to be installed.

a Manual and electrical functions Operation Test

Vendor During as-left testing

Vendor's facility

DESCRIPTION WHAT WHO WHEN WHERE METHOD

b Coil

Check pick-up, minimum and maximum coil operating voltages.

Vendor During as-left testing

Vendor's facility c Breaker manual and electrical operations Test Vendor During as-left testing

Vendor's facility

A minimum of five (5) manual and five (5) electrical d Anti-pump feature Verify proper operation

Vendor During as-left testing

Vendor's facility

D1 e Electrical and mechanical safety interlocks.

Verify proper operation

Vendor During as-left testing

Vendor's facility f Indicating devices, including all visual indicators & operational counter.

Check operation

Vendor During as-left testing

Vendor's facility

D2 Circuit breaker opening and closing timing Test Vendor During as-left testing

Vendor's facility

At normal operating control voltage.

D3 Main contact resistance checks Low resistance test

Vendor During as-left testing

Vendor's facility

Maximum acceptable readings will be per manufacturer specifications.

E1 "As-found" operation and condition. Report Vendor Preparing reports

Vendor's facility

E2 All replaced components replaced Report Vendor Preparing reports

Vendor's facility

DESCRIPTION WHAT WHO WHEN WHERE METHOD

E3 All testing performed Report Vendor Preparing reports

Vendor's facility

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