E61.REV

TESTING

NOTE: FINAL DATE: AUGUST, 1988.

Part 1 -	GENERAL

1)	WORK INCLUDED

A.	Work in this Section includes the performing and recording of tests, calibrations, settings, coordinations and selections on all system conductors, equipment, protective relays and devices included in or affected by this contract

B.	Perform tests as specified under this Section and as specified under individual Sections

C.	Test Codes: The following test codes shall govern during the testing

1.	The Utility Company.

2.	NEMA.

3.	ANSI.

4.	IPCEA.

D.	Certificate: Obtain a certificate of final inspection from the utility, code enforcing authority having jurisdiction

E.	Testing Power. Provide all necessary temporary power connections to conduct and perform all tests. The Contractor shall establish temporary power in advance. Prior to the beginning of any testing activity, and the temporary power connections shall remain in place until all testing, approvals and energizing have been accomplished. Pay for all fees and expenses for testing and certifying as indicated

F.	Testing Company: Perform all written test procedures, tests, calibrations and settings on all systems, conductors, equipment, protective relays and devices inlcuded in or affected by this contract by a qualified independent testing company. Pay for all fees and expenses for testing and certifying as indicated. Pay all charges required to gain access to equipment and termination for testing purposes

2)	SUBMITTALS

A.	Requirements of GENERAL CONDITIONS, DIVISION No. 1 and Section GENERAL PROVISIONS FOR ELECTRICAL WORK apply to all work in this Section

NOTE: EDIT TO SUIT PROJECT REQUIREMENTS. INCLUDE ONLY SECTIONS DIRECTLY AFFECTING WORK OF THIS SECTION

B.	Related work as noted under ohter Electrical Sections:

3)	REFERENCE STANDARDS

A.	Published Specifications' standards, tests or recommended methods of trade, industry or governmental organizations apply to work in this Section. If testing requirements conflict between organizations the more strict requirements are to be followed. (i.e. if utility company tests exceed industry standards, the utility requirements are to be followed)

B.	Comply with all applicable national, state and local codes and refer to Section GENERAL PROVISIONS FOR ELECTRICAL WORK for additional Reference Standards

4)	QUALITY ASSURANCE

A.	Refer to Section GENERAL PROVISIONS FOR ELECTRICAL WORK for Guarantee and other Quality Assurance requirements

5)	SUBMITTALS

A.	Submit test reports as specified.

Part 2 -	PRODUCTS

1)	(NOT APPLICABLE)

Part 3 -	EXECUTION

1)	GENERAL

A.	Scope: Notify, in writing, all parties prior to beginning any test

B.	Time: Issue the notice to the principal party in interest with copies to all other parties. Issue the notice five (5) working days prior to the particular test, or tests, to be conducted, by telex. This notice time is intended to place the notice in the hands of the parties at least three (3) working days (5 days minus mailing time) before testing

2)	GROUND RESISTANCE

A.	Scope: Conduct ground grid-to-earth tests prior to connecting existing systems at sufficient points throughout the grid system to assure a measured resistance of 2 ohms or less to ground

B.	Test Conditions: Conduct the tests under the following conditions

1.	After the installed ground grid is backfilled and compacted to specifications

2.	Normally dry weather, not less than 48 hours after rainfall

C.	Test Instrument shall be the null balance type, Biddle Megger Earth Tester, or other approved equal

D.	Record: Compile all resistance readings and calculations and prepare a report and submit to the Engineer after the tests are conducted

3)	LOW VOLTAGE TESTS AND INSPECTION:

A.	Test all items of equipment and conductors operating at 600 volts or less before energizing including but not limited to, the following areas and items

1.	Megger Test: Conduct and record on all conductors and equipment, which tests shall demonstrate to the Engineer that the resistance to ground of all insulated wire and cable and devices is 1 meghom or greater

a.	Special care: Examine all circuits and equipment to determine which items, if any, will, or might be, damaged by this or any of these tests. Perform continuity tests and other recommended proving tests in these cases

(1)	Grounds: All circuits are free from unspecified grounds

(2)	Short circuits: All conductors and devices are free from short circuits

b.	Inspections: The inspections which shall accompany the test shall demonstrate to the satisfaction of the Engineer that

(1)	Connections: All circuits are properly connected in accordance with the contract drawings and applicable approved shop drawings

(2)	Operable: All circuits and devices are operable, which demonstration shall inlcude functioning of each control not less than five times and continuous operation of each power circuit for not less than 8 hours. The operable devices shall consist of control switches, circuit breakers, light switches, disconnect switches, interrupter switches, push buttons, and hand-off-automatic selector switches

(3)	Conductor Identification: All conductors are connected to a device terminal or terminal on terminal strips; and all conductors, active or spare, are identified at each terminal

(4)	Cable identification: Each cable is labeled and identified, at both ends

B.	Replace all devices and conductors proven by the tests to be defective

4)	MEDIUM VOLTAGE TESTS AND INSPECTIONS

A.	Scope: Test all equipment and conductors.

B.	Phase Identification Tests: Apply high voltage phase-identification tests to all cables, buses and equipment

C.	Voltage build-up test: All equipment and wire shall be provided with voltage sufficient to prove that no short circuits exist. Use test power supply with low short circuit capacity

D.	Potential Devices: Test all potential devices to prove proper low voltage output is available at the relays and other devices operating on this voltage

5)	PROTECTIVE RELAYS

A.	Visual and Mechanical Inspection:

1.	Inspect cover glass and cover gasket, check for presence of foreign material, moisture, and condition of spiral spring, disc clearance, rust and contacts. If required, burnish contacts or make a list of recommendations for replacement for the client's consideration. Clean cover glass

2.	Check mechanically for freedom of movement, proper travel and alignment and tightness of mounting hardware and top screws. Inspection shall include bearings and bearing pins for damage, jewel cracks, etc. Adjust bearing for rotor end play if required

3.	Adjust stationary contact screw for initial tension on contact. Adjust set screw collar of disk, if required (normally due to transportation abuse)

B.	Electrical Tests:

1.	Perform an operational test of the protective relays specified. Apply proper values of current and/or voltage to the relay and compare the operating time to published characteristic curves

2.	Perform the following tests during relay calibration:

a.	Insulation resistance (Do not perform this test on solid state relays)

b.	Zero check.

c.	Pickup of each operating unit.

d.	Time-current characteristics, when applicable.

e.	Target and seal-in operation.

f.	Special tests that are particular to a specific type of relay such as through fault, reach, drop-out, etc

C.	Setting: Recommend settings, submit for approval and set all relays

6)	GROUND FAULT SYSTEMS

A.	Visual and Mechanical Inspection.

1.	Inspect for physical damage.

2.	Inspect neutral main bonding connection to assure:

a.	Zero sequence system is grounded upstream of sensor

b.	Ground strap systems are grounded down stream from the sensing device

c.	Ground connection is made ahead of neutral disconnect link

3.	Inspect control power transformer to insure adequate capacity for system

NOTE: INCLUDE IF MONITOR PANELS ARE SPECIFIED.

4.	Monitor panels shall be manually operated for:

a.	Trip tests.

b.	No trip tests.

c.	Non-automatic reset. Proper operation and test sequence shall be recorded

5.	Inspect zero sequence systems for symmetrical alignment of core balance transformers about all current carrying conductors

6.	Verify ground fault device circuit nameplate identification by device operation

B.	Setting: Recommend, submit for approval and set pickup and time delay settings

1.	Insure control circuit has disconnectable fuse device with current limiting fuses

C.	Electrical Test.

1.	Measure system neutral insulation resistance to insure no shunt ground paths exist, neutral-ground disconnect link shall be removed, neutral insulation resistance measured and link replaced, where practical

2.	Determine the relay pickup current by primary injection at the sensor and the circuit interrupting device operated

3.	The relay timing shall be by injecting a minimum of one hundred fifty (150) percent of pickup current into sensor. Total trip time shall be monitored and recorded

4.	Test system operation at fifty-five (55) percent of rated voltage

5.	Zone interlock systems shall be simultaneously sensor current injected while monitoring zone blocking function where possible

D.	Test Parameters.

1.	System neutral insulation shall be a minimum of one hundred (100) ohms, preferably one (1) megohm or greater

2.	Relay pickup current shall be within ten (10) percent of device dial or fixed setting, and in no case greater than twelve hundred (1200) amperes

3.	Relay timing shall be in accordance with manufacturer's published time-current characteristic curves

7)	INFRARED SCANNING OF ELECTRICAL EQUIPMENT

A.	Visual and mechanical inspection.

1.	Inspect for phyiscal, electrical and mechanical condition

2.	Visually inspect bus alignment.

3.	Remove all necesary covers prior to scanning.

B.	The following equipment shall be scanned:

1.	Switches.

2.	Panelboards.

3.	Busduct.

4.	Switchgear.

5.	Motor controllers.

6.	Motor control centers.

7.	Transformers.

8.	Terminations.

9.	Cables.

10.	Cable connections.

11.	Circuit breakers.

12.	Rotating equipment, terminations on motors 5 hp and above

C.	Provide a report indicating the following:

1.	Problem area (location of "hot spot").

2.	Indicate temperature rise between "hot spot" and normal or reference area

3.	Indicate cause of heat rise.

4.	Indicate phase unbalance, if present.

5.	Index of areas scanned.

D.	Test parameters.

1.	Scan distribution systems with the ability to detect 1 deg C rise between subject area and reference at 30 deg C

2.	Equipment shall detect emitted radiation to visual signal

3.	Provide photographs (thermograms) of the deficient area as seen on imaging system

E.	Test Results.

1.	Temperature gradients of 1 deg C to 3 deg C shall indicate possible deficiency and shall warrant investigation

2.	Temperature gradients of 4 deg C to 15 deg C shall indicate deficiency.

8)	TEST INSTRUMENT TRACEABILITY

A.	The testing laboratory shall have a calibration program which maintains all applicable test instrumentation within rated accuracy

B.	The accuracy shall be traceable to the National Bureau of Standards in an unbroken chain

C.	Instruments shall be calibrated in accordance with the following frequency schedule

1.	Field instruments - 6 months maximum.

2.	Laboratory instruments - 12 months.

3.	Leased specialty equipment - 12 months.

D.	Dated calibration labels shall be visible on all test equipment

E.	Records must be kept up-to-date which show date and results of all instruments calibrated or tested

F.	An up-to-date instrument calibration instruction and procedure will be maintained for each test instrument

9)	TEST REPORTS

A.	The test report shall include the following:

1.	Summary of project.

2.	Description of equipment tested.

3.	Description of test.

4.	Test results.

5.	Conclusions and recommendations.

6.	Appendix, including appropriate test forms.

NOTE: OBTAIN ALL INFORMATION REGARDING UTILITY REQUIREMENTS AND INCLUDE WITH THIS SPECIFICATION

10)	THE FOLLOWING UTILITY DOCUMENTS ARE INCLUDED FOR INFORMATION. CONTRACTOR IS RESPONSIBLE TO VERIFY ANY ADDITIONAL UTILITY REQUIREMENTS