16080_rmh_Electrical Power Systems Testing

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This section replaced in its entirety, Addendum #01, 2/18/11
SECTION 16080
ELECTRICAL POWER SYSTEMS TESTING
PART 1 - GENERAL
1.1
A.
1.2
PROVISIONS
The drawings and general provisions of the contract, including General and
Supplementary Conditions and Division 1 Specification Sections, apply to this section.
SCOPE/DIVISION OF RESPONSIBILITY
A.
The Contractor shall perform routine insulation resistance, continuity, phase rotation,
motor rotation, and bolt/lug torque tests for all distribution and utilization equipment prior
to any tests performed by a separate testing contractor.
B.
The Contractor shall test all lighting and utilization equipment, services, and all circuits
for proper operating conditions prior to acceptance testing.
C.
The Contractor shall perform visual and mechanical inspections, verifying that the
equipment nameplate information meets the intent of the drawings and specifications.
D.
The Contractor shall engage and pay for the services of a recognized corporately and
financially independent Testing Firm for the purpose of performing inspections and tests
as herein specified. The Testing Firm shall coordinate testing responsibilities and
scheduling with Contractor in conjunction with equipment manufacturer’s site test and
startup field technicians where manufacturer’s site presence is required in other
specification sections.
E.
Where required, the Contractor and Testing Firm shall coordinate testing activities and
scheduling with the Commissioning Contractor hired by the Owner. The Contractor and
Testing Firm shall coordinate with Division 1 Section 019113 “General Commissioning
Requirements.”
F.
The Contractor shall supply a complete set of electrical plans, specifications, and any
pertinent design changes to the Testing Firm prior to commencement of testing.
G.
The testing firm shall provide all material, equipment, labor, and technical supervision to
perform such tests and inspections.
H.
The Contractor shall supply a suitable and stable source of power to each test site. The
Testing Firm shall specify the specific power requirements.
I.
The Contractor shall notify the Testing Firm when equipment becomes available for
testing. Work shall be coordinated to expedite project scheduling. Wherever possible
multiple systems shall be made available to Testing Contractor at one time.
J.
The Testing Firm shall notify the Contractor within two working days of any system,
material, or workmanship which is found defective.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
K.
The tests and inspections shall determine suitability for energization. It is the purpose of
these tests to assure that all tested electrical equipment is operational and within
industry and manufacturer's tolerances and is installed in accordance with design
specifications and manufacturer's requirements. Permanent power shall not be applied
to equipment until completion of testing and review of final reports by the Commission
Contractor, Owner and Engineer.
L.
Contractor shall perform safe switching of service equipment, generators, UPS, etc. and
scheduling of any required outages for testing. Contractor shall provide temporary
power as required during outages to maintain continuity of power to the facility.
MM. The protective device coordination study shall be performed by the Testing Firm or their
contracted agent. The studies shall include all portions of the electrical distribution
system from the normal and alternate sources of power throughout the low-voltage
(120/208V, three-phase, four-wire) distribution system. Normal system operating
method, alternate operation, and operations which could result in maximum fault
conditions shall be thoroughly covered in the study. The Testing Firm shall be
responsible for all final settings and adjustments on protective devices and transformer
tap settings after review and acceptance of the coordination study by the Owner and
Engineer.
N.
The Testing Firm shall perform functional testing as required to demonstrate proper
operation of systems including but not limited to generator startup, paralleling, remote
transfer breaker control, load acceptance, alarms, and related tests, UPS operation from
batteries, UPS transfer to bypass, UPS alarms, transfer switch operation, electrical an
mechanical interlocks, tie breaker controls etc.
O.
An itemized description of equipment to be inspected and tested by the Testing Firm is
as follows:
1.
2.
3.
4.
5.
6.
7.
8.
1.3
A.
Distribution switchboards rated 800A and larger.
Distribution panelboards rated 400A and larger.
Transformers (225 kVA and larger).
Cables and Wiring: Test all cables and wiring rated to carry 200 amps and above
at 480 volts, and 400 amps and above at 208 volts.
Grounding system.
Diesel generator and related equipment.
Automatic transfer switches.
Thermographic survey of all transformers, switchboards, panelboards, transfer
switches, including cable terminations at all equipment.
SUBMITTAL AND DOCUMENTATION REQUIREMENTS
All documentation associated with this contract including submittals, shop drawings,
O&M manuals, and test reports shall be furnished as follows:
1.
2.
Documents shall also be submitted in portable document format (PDF).
Documents shall be submitted in Auto CAD - Release 2010 for Drawings and
Microsoft Word (2003) for text format when requested.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
1.4
A.
SUBMITTAL
Prior to Testing: The Testing Firm shall develop a detailed “Testing Submittal” for review
and approval by the Commission Contractor, Owner and Engineer .four weeks before
any testing is required to be performed. The submittal shall include a complete resume
and statement of qualifications from the testing firm detailing the following:
1.
2.
3.
4.
5.
6.
7.
8.
9.
B.
Company Qualifications and History
Equipment Calibration Program
List of Equipment to be tested (Refer to paragraph 1.2.N)
List of Functional Tests to be performed to verify proper operation of equipment.
List of Integrated System Tests to be performed to verify proper operation of
systems
Specific Test Procedures to be utilized on this project, along with the applicable
test values to determine pass or fail.
Sample test data recording forms that are applicable to this project.
NETA Certificates for the company and all technicians
Testing Firm's warranty
Provide a Compliance Review of the Contract Documents associated with the
switchgear. The Compliance Review shall be a paragraph-by-paragraph review of the
Specifications addenda items and Drawings with the following information, "C", "D" or
"E" marked in the margin of the original Specifications and any subsequent Addenda.
Text documentation for the Drawing Compliance shall accompany the Specification
Compliance.
1.
2.
3.
"C": Comply with no exceptions.
"D": Comply with deviations. For each and every deviation, provide a numbered
footnote with reasons for the proposed deviation and how the intent of the
Specification can be satisfied.
"E": Exception, do not comply. For each and every exception, provide a numbered
footnote with reasons and possible alternatives.
Note: Unless a deviation or exception is specifically noted in the Compliance Review, it
is assumed that the Contractor is in complete compliance with the plans and
Specifications. The Contractor may propose the latest state-of-art components or
the Contractors standard components as a deviation. Deviations or exceptions
taken in cover letters, subsidiary documents, by omission or by contradiction do not
release the Contractor from being in complete compliance, unless the exception or
deviation has been specifically noted in the Compliance Review and approved by
the Owner. The compliance review shall be in precise language in order to permit
proper evaluation of the technical capabilities of the proposed testing firm. All data
indicated shall be used as the criteria for the selection of the proposed testing firm.
Lack of these requirements in the Contractor's technical proposal shall be
considered as a non-responsive bid and disqualify the Contractor as this data is
necessary for determination of the testing costs associated with the Bid.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
1.5
A.
1.6
FINAL SUBMITTAL
Final Report:
1.
Submit results of testing for each system to the Architect when complete, in
accordance with Division 1 and Section 5.4 of NETA ATS-2009.
22. Furnish a Final Test Report
TEST EQUIPMENT
A.
Test equipment shall comply with Section 5.2 of NETA ATS-2009.
B.
Test instrument calibration shall comply with Section 5.3 of NETA ATS-2009.
1.7
A.
SAFETY AND PRECAUTIONS
Safety practices shall include, but are not limited to, the following requirements:
1.
2.
3.
4.
5.
6.
7.
8.
Section 5.1 of NETA ATS-2009.
Occupational Safety and Health Act.
Accident Prevention Manual for Industrial Operations, National Safety Council
Applicable state and local safety operating procedures
NCAR/UCAR safety practices and procedures
National Fire Protection Association - NFPA 70E
American National Standards for Personnel Protection
ANSI/IEEE C2, National Electrical Safety Code
B.
All pre-functional tests shall be performed with apparatus de-energized. Exceptions
must be thoroughly reviewed to identify safety hazards and devise adequate safeguards.
C.
The Testing Firm shall coordinate with the Contractor's safety representative on the
project to supervise the testing operations with respect to safety.
1.8
QUALIFICATIONS OF TESTING FIRM
A.
The Testing Firm shall be a corporately and financially independent testing organization
which can function as an unbiased testing authority, professionally independent of the
manufacturers, suppliers, and installers of equipment or systems evaluated by the
Testing Firm.
B.
The Testing Firm shall be regularly engaged in the testing of electrical equipment
devices, installations, and systems.
C.
The Testing organization shall use technicians who are regularly employed for testing
services.
D.
An organization having a “Full Membership” classification issued by the International
Electrical Testing Association meets the above criteria.
E.
The testing organization shall submit appropriate documentation to demonstrate that it
satisfactorily complies with these requirements.
F.
Testing personnel shall comply with the requirements of Section 3.2 of NETA ATS-2009.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
1.9
A.
APPLICABLE CODES, STANDARDS, AND REFERENCES
All inspections and tests shall be in accordance with the following codes and standards
except as provided otherwise herein:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
National Electrical Manufacturer's Association - NEMA
American Society for Testing and Materials - ASTM
Institute of Electrical and Electronic Engineers - IEEE
InterNational Electrical Testing Association - NETA Acceptance Testing
Specifications - ATS-2009
American National Standards Institute - ANSI C2: National Electrical Safety Code
Codes and ordinances of the State, County, and City
Insulated Cable Engineers Association - ICEA
Association of Edison Illuminating Companies - AEIC
Occupational Safety and Health Administration - OSHA
National Fire Protection Association - NFPA
a.
b.
c.
d.
e.
B.
ANSI/NFPA 70: National Electrical Code
ANSI/NFPA 70B: Electrical Equipment Maintenance
NFPA 70E: Electrical Safety Requirements for Employee Workplaces
ANSI/NFPA 780: Lightning Protection Code
ANSI/NFPA 101: Life Safety Code
All inspections and tests shall utilize the following references:
1.
2.
3.
Project design specifications
Project design drawings
Manufacturer's instruction manuals applicable to each particular apparatus
PART 2 – SITE EVALUATION
2.1
EQUIPMENT EVALUATION STUDY
A.
A preliminary short circuit study has been performed by the Engineer to determine the
AIC ratings of equipment. A more detailed study shall be performed using ratings, data
etc. of as installed equipment for verification of the preliminary study and for use in the
coordination and other studies.
B.
The study input data shall include the utility company’s short-circuit single- and threephase contribution, with the X/R ratio, the resistance and reactance components of each
branch impedance, motor and generator contributions, base quantities selected, and all
other applicable circuit parameters.
C.
Short-circuit momentary duties and interrupting duties shall be calculated on the basis of
maximum available fault current at each switchgear, switchboard, motor control center,
distribution panelboard, critical bus branch circuit panelboards, and other significant
locations through the system.
D.
An site equipment evaluation study shall be performed to determine the adequacy of
circuit breakers, controllers, surge arresters, busways, switches, and fuses by tabulating
and comparing the short-circuit ratings of these devices with the available fault currents.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
Any problem areas or inadequacies in the equipment shall be promptly brought to the
Architect/Engineer's attention.
2.2
PROTECTIVE DEVICE COORDINATION STUDY
A.
A protective device coordination study shall be performed in accordance with Section 6.2
of NETA ATS-2009 to check the selections of low-voltage breaker trip characteristics
and settings in relation to upstream and downstream circuit breaker characteristics and
settings. If possible, this study shall be performed on the latest version of Captor
software.
B.
The coordination study shall include all voltage classes of equipment from the main
distribution equipment down to and including each motor control center and/or
panelboard main and branch. The phase and ground overcurrent protection shall be
included, as well as settings for all other adjustable protective devices.
C.
The time-current characteristics of the specified protective devices shall be plotted on
appropriate log-log paper. The plots shall include complete titles, representative oneline diagram and legends, significant motor starting characteristics, complete parameters
of transformers, complete operating bands of low-voltage circuit breaker trip curves, and
fuse curves. The coordination plots shall indicate the types of protective devices
selected, proposed relay taps, time dial and instantaneous trip settings, ANSI
transformer magnetizing inrush and withstand curves per ANSI C37.91, cable damage
curves, symmetrical and asymmetrical fault currents. All requirements of the current
National Electrical Code shall be adhered to. Reasonable coordination intervals and
separation of characteristic curves shall be maintained. The coordination plots for phase
and ground protective devices shall be provided on a complete system basis. Sufficient
curves shall be used to clearly indicate the coordination achieved to each main and
feeder breaker, transformer secondary, panelboard main and branch devices. There
shall be a maximum of four protective devices per plot.
D.
The selection of settings for the protective devices shall be provided separately in a
tabulated form listing circuit identification, IEEE device number, current transformer
ratios, manufacturer, type, range of adjustment, and recommended settings. A
tabulation of the recommended power fuse selection shall be provided for all fuses in the
system. Discrepancies, problem areas, or inadequacies shall be promptly brought to the
Architect/Engineer's attention.
2.3
A.
ARC FLASH HAZARD ANALYSIS
Using the calculated available short circuit available determine the following:
1.
2.
3.
4.
5.
Calculate the flash protection boundary.
Calculate the arc-flash incident energy.
Provide necessary flash protection boundary signage and warning labels for
switchgear compartments to comply with NFPA 70E.
Determine the required personal protective equipment for personnel working on or
near energized conductors or components.
Generate Sample Work Permits per the requirements of NFPA 70E for use by the
Owner’s facility maintenance personnel and provide electronic copies of these
permits for Owner’s use.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
2.4
A.
HARMONIC ANALYSIS STUDY
A Harmonic Analysis study shall be conducted in accordance with Section 6.6 of NETA
ATS-2009.
PART 3 - COMPONENT INSPECTION AND TEST PROCEDURES
3.1
A.
ELECTRICAL TESTS
The recommended electrical equipment inspections, tests and procedures specified in
NETA ATS 2009 shall be performed on electrical equipment within the scope of this
project including any exceptions or modifications noted below.
1.
Switchboard Assemblies:
following optional test:
a.
2.
3.
4.
6.
7.
8.
Perform insulation-resistance tests on control wiring with respect to ground.
Applied potential shall be 500 volts dc for 300-volt rated cable and 1000 volts
dc for 600-volt rated cable. Test duration shall be one minute. For units with
solid-state components or control devices that can not tolerate the applied
voltage, follow the manufacturer’s recommendation.
Transformers, Dry Type, Air Cooled, Low Voltage, Small (225KVA to 500KVA):
Per NETA ATS 2009 Section 7.2.1.1 with optional turns ratio tests.
Switches, Air Low Voltage: Per NETA ATS 2009 Section 7.5.1.1.
Circuit Breakers, Air Insulated case/Molded Case: Per NETA ATS 2009 Section
7.6.1.1, and include the following optional test:
a.
5.
Per NETA ATS 2009 Section 7.1, and include the
Test functions of the trip unit by means of secondary injection.
Grounding Systems: Per NETA ATS 2009 Section 7.13 and as required by
Section 16060.
Surge Arrestors, Low Voltage Surge Protection Devices: Per NETA ATS 2009
Section 7.19.1.
Standby and Emergency Systems, Engine Generator: Per NETA ATS 2009
Section 7.22.1, and include the following optional test:
a.
Perform vibration test for each main bearing cap.
Emergency Systems, Automatic Transfer Switches: Per NETA ATS 2009 Section
7.22.3. Tests indicated as optional are not required for this project.
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
This section replaced in its entirety, Addendum #01, 2/18/11
3.2
A.
THERMOGRAPHIC SURVEY
Visual and Mechanical Inspection
1.
2.
B.
Perform thermographic survey within 12 months of final acceptance by the Owner
on the equipment listed in section 1.2.N and when at least 50% load is applied to
the system.
Remove all necessary covers prior to thermographic inspection. Use appropriate
caution, safety devices, and personal protective equipment.
Provide report with suggested actions in accordance with NETA ATS 2009 Section 9.
END OF SECTION 16080
The RMH Group
16080 - 1
ELECTRICAL POWER SYSTEMS TESTING
2716-01
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