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JW MARRIOT ABU DHABI RESORT & SPA
OTAK INTERNATIONAL
16080
PRE-COMMISSIONING AND COMMISSIONING
1.0
REFERENCE
1.1
GENERAL
A.
Conform to General Requirements for Electrical Services of Division 16.
1.2
DESCRIPTION OF WORK
A.
Prior to acceptance, inspect, operate and test all electrical equipment, materials and
components, whether such tests are detailed in this specification or not. Tests will be
witnessed by THE CONSULTANT, to ensure that the operation of the systems and
components satisfies the requirements of the Contract Documents.
B.
Include any specific testing required by the Authorities, or any other body having
jurisdiction over the installation, and as directed by THE CONSULTANT.
C.
Provide all tools, equipment, labour and materials required to perform the electrical
testing. Provide three copies of the test reports to THE CONSULTANT.
THE CONSULTANT reserves the right to witness factory testing of all equipment.
Coordinate with the equipment manufacturers and notify the CONSULTANT 21 days
before any factory testing, to confirm the presence of the CONSULTANT.
D.
Report any deficiencies in test results immediately to the CONSULTANT.
Test in accordance with the applicable standards issued by the governing organisations
(e.g. IEC, UL, NFPA, IEE), and with the recommendations of the manufacturers.
E.
Include the cost of all testing in the bid price, whether performed in the field or at the
factory. Inform the manufacturers of the factory and site testing requirements.
F.
Make test records in a neat and legible manner, fully identifying the equipment or
system being tested, type of test equipment, calculation, and expiry date for the same,
the test results and the date of the test. Submit 3 copies to the CONSULTANT at the
end of each test.
G.
Do not energize distribution or control equipment until the test results have been
reviewed, passed and approved by the CONSULTANT.
Ensure that phasing and phase rotation is the same throughout the system. Ensure that
all devices are wired for the same polarity.
H.
Test all electrical systems and installation in accordance to the related standards and in
accordance to the equipment manufacturers testing procedure.
I.
Carryout all tests in accordance to an approved procedure by the CONSULTANT and
all necessary data and results which may be requested by the CONSULTANT.
J.
The testing and commissioning for electrical system shall cover the following as a
minimum:
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2.0
TESTING AND COMMISSIONING
2.1
GENERAL
A
The testing and commissioning shall be carried out in accordance with contract
requirements, by a firm specializing in this work, under no circumstances shall the
Contractor be allowed to use his own staff or affiliated companies for the Capital plant
such as switchboards, power factor correction equipment, fire alarm system, lighting
control and dimming system, central emergency lighting system, lifts, and specialized
ELV systems including CCTV and security systems etc.
B.
The contractor shall submit to the CONSULTANT for approval his schedule of
program for the works, the program shall address the following:
a)
b)
c)
d)
e)
f)
Planned date of commencement of testing and commissioning.
Expected date of completion of testing and commissioning.
Power ON date.
Fire alarm ON date.
Telephone/Data system ‘ON’ date.
Actual testing and commissioning date and duration for each system.
C.
The contractor shall submit for approval, a detailed method statement for each testing
and commissioning activity.
D.
The contractor shall maintain written records of all tests.
E.
Successful test records shall be counter signed by the CONSULTANT and bound into
the Operation and Maintenance Manual. Upon completion of the testing and
commissioning the Contractor shall demonstrate to the CONSULTANT the following:
a)
b)
c)
d)
e)
f)
g)
h)
Voltage within correct tolerances in accordance with the contract Documents.
Power factor and harmonics in accordance with the Contract Documents.
Earthing in accordance with the contract Documents.
Illumination levels in accordance with the Contract Documents.
Correct control of all plant.
Structured cabling of telephone and data communication system
Fire alarm system.
Correct functioning of the following specialist systems and their integration:
i.
PA and Music System
ii.
Security and Access Control System
iii.
CCTV system
iv.
Central Emergency Lighting System
v.
Central Clock System
An audit inspection at factory before dispatch and at site after receipt of the
switchgear for any manufacturing / transit defects.
2.2
PRECOMMISSIONING AND COMMISSIONING CHECKS
Precommissioning/Commissioning check sheets for the following shall be submitted
for the CONSULTANT review:
a)
HV Switchgears
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b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
l)
m)
n)
o)
p)
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Transformers
MDB/SMDBs / MCC's
DB / Final Light & Power Points
Specified Lighting Controls
Power And Control Cables
Grounding and Bonding
Lightning Protection System
Fire Alarm System
Public Address System
Emergency Lighting System
Programmable lighting control system
Security access control system
CCTV System
Central Clock System
Telephone and Data Communication System
Once the procedures are agreed up on, the Inspection and testing reports for the above
systems shall be submitted for CONSULTANT review/approval.
The following inspections have to be carried out for any manufacturing
defects/transit damages and inform the supplier immediately if found any defects
A.
Manufacturing Defects:
a)
b)
c)
d)
e)
f)
B.
Inspect the doors of cubicles for proper opening/closing including door
inter locks.
Ensure the bus bar supports and insulation are free from cracks and damages.
Ensure that the correct rating of the components such as fuses, contactors
and over load relays are as per the approved drawings.
Ensure that the physical condition of all meters, protection relays are good
and ranges are as per approved layouts.
Ensure all components are properly installed including CTs.
Ensure the over all dimension and colour of the cubicle is as per approved
layout.
Transit Damages
Inspect the external
and paint scratches.
surface
of
the
cubicle
for
any
transit
damages
Inspect that batteries and chargers are not damaged during transit.
C.
The following pre-requisites have to be ensured before pre-commissioning /
commissioning of the respective panels:
a)
b)
c)
d)
e)
f)
g)
h)
Colour coding / ferruling
Tightening all bus bar joints with torque wrench
Tightening of all connections
Termination of cables on the panels
Interlocks as per approved drawings
Inter panel wiring between various cubicles
Operation of space heaters
Control & power diagram of respective switchgear is readily available on
the panel board for reference
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i)
j)
OTAK INTERNATIONAL
No loose tools left inside the panel
Availability of first aid / fire fighting equipment
2.3
MDB / SMDB / MOTOR CONTROL CENTRE
A.
Testing and commissioning shall be in accordance with specification section 16440
part 3.2 and including the following:
B.
The contractor shall arrange for the witnessing of the following tests on the fully
equipped switchboard including primary bus bars and connections at the factory, in
accordance with IEC 439-1:
1.
2.
3.
4.
5.
6.
7.
8.
9.
C.
The following tests shall be carried out after the equipment has been completely
erected and connected up on site:
1.
2.
3.
4.
5.
6.
7.
8.
D.
High voltage power frequency tests on main and auxiliary circuits
Dielectric/insulation resistance tests
Ground fault tests
Electrical operation of circuit breakers control circuits at the appropriate
voltage limits
Mechanical operations tests and tests to certify correct functioning of
interlocks.
Primary injection tests
Secondary injection tests
Millivolt drop tests
Any other tests required by the CONSULTANT
Power frequency voltage tests on the completed switchgear
Insulation resistance tests on all main and secondary circuits
Secondary injection tests
Calibration checks on ammeters, voltmeters and any other instruments
Testing at normal voltage to prove that closing and tripping from local and
remote control points, tripping from relays and protective gear, interlocks,
alarm and indications, etc are satisfactory.
Any other test required to prove compliance with the specification
At the end of tests, the protective relays and breaker tripping times shall be set
in accordance with the CONSULTANT approved discrimination coordination.
Contact resistance test for busbar by means of equipment with minimum 10A
Detailed Check List
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
l)
Effectiveness of mechanical actuating elements
Door interlocks
Interconnection conductor sizes, laying and clamping/screwing
Visual inspection of degree of protection, creepage and clearance distances
Labels for feeders and circuit indications
Supply of operational instructions, wiring diagrams, technical data of
equipment used.
Inspection and operational testing of the factory built assembly
Electrical controls and sequence of operation
Physical verification of drawings, including front and internal layouts
Single line diagrams & Control schemes
Check for cracks on components and housings
Correctness of sizes and terminations. Torque tables shall be followed.
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Bolt size
M6
M8
M10
M12
M14
M16
m)
n)
o)
p)
q)
r)
s)
t)
u)
v)
w)
E.
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Tightening torque
Nm
8
20
40
70
110
170
Tightening Force
kN
3
6
13
22
26
35
Cable entry/tray provisions, top and bottom
Ventilation, anti-condensation heaters, and fans
Sealing/pad locking for meter cabinet
Phase barriers for incoming and outgoing breakers
Size of bus bars - neutral/earth
Gland plates
Colour codes for cables
Ferrules, labels etc.
Termination of ECCs with copper lugs
Wiring connections of CT meter - load side of incomer
Mounting height of Meter, max 2M min 0.8M
Dielectric tests (excluding components, lamps etc.)
All control fuses and electronic components shall be isolated
Test voltage of 2.5kV for 1 minute shall be applied between
Phase to phase
Phase to neutral
Phase to earth
Neutral to earth
F.
Protective measures check/Electrical continuity of protective circuits
Capacity and continuity between:
a)
b)
c)
d)
e)
G.
All metal parts and main earth bar
Door and main earth bar
Continuity test according to control circuit diagram
Checking of indicator lamps (with transformers), voltmeter etc.
Outgoing circuits check with hand lamp
Physical Check
Check general arrangements of the components, internal wiring and complete
cleanliness.
Check the panel against approved shop drawing to ensure that right components
(ACB, MCCB) of correct ratings are installed.
Check the tray riser, cable drops cable overlapping and dressing of cable to MDB.
Check all the bolts / nuts and bus bar connection to ensure that all are in good and tight
condition.
Check earth bonding of components and other related connection.
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Check all meters and selector switches to ensure the correct selection & rating.
Check the phase barriers are properly fixed for separation of circuits.
Check all cables and panels are properly labelled and identified.
H.
Insulation Resistance Check
Check and measure insulation resistance between phases, neutral and earth with 500
volts megger (the values to be verified with the permissible limits).
Check the terminal insulation. cable gland termination and shrouding.
I.
Functional Test (Panel to be temporarily energised)
Check the control circuit of each system for its correct operation.
Switch ON and OFF of all MCCBs, contactors, relays to verify for the desired
operation.
Check draw out mechanism of main incomer ACB.
Check operation of the indication lamps & meters to ensure proper functioning.
Check functions of motor operated ACB/MCCBs
Check for any abnormal rise in temperature on bus bars. jumper cables, terminals
and various devices by using an infrared scanner.
J.
Earth Leakage Test
a)
b)
c)
K.
Check earth leakage circuit breakers by means of RCCB tester, selecting 50%
100%, 150% of the rated sensitivity currents and the respective trip time to be
recorded.
Check the rating of core balance CTS and EL relays for earth leakage
protection.
Tabulate the readings taken.
Earth Fault Loop Impedance Test
Measure the earth loop impedance across phase and protective conductor with earth
loop impedance tester.
Tabulate the reading taken and check with permissible values.
L.
Polarity Test
Check the polarity of incomer supply by polarity tester before energising panels.
Check all fuses/circuit breakers and single pole control devices are connected to phase
conductors only.
M.
Test on Capacitor Panels
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a)
Check the operation and indications of contactors in manual mode
b)
Check the operation and indications of contactors in auto mode by setting
various power factor in the regulators.
Overall Performance Test - Check and ensure the satisfactory operation of the boards
at full load.
Any other tests as requested by the CONSULTANT.
2.4
FINAL DB LIGHT & POWER POINTS
A.
Physical Check
B.
C.
a)
Check the electrical components such as conduits, wires, trunking, light
fixtures, socket outlets are connected to the final circuit of the distribution
board.
b)
Check the installation of distribution boards and internal wiring.
c)
Check the identification and labelling of each final circuits.
d)
Check that all metallic components are earthed/bonded.
e)
Check the terminal insulation, cable gland termination and shrouding.
Polarity Check
a)
Check the polarity of power / light points to ensure the light switches (single
pole) are installed in the line conductor.
b)
Check for screw type lamp holders. The outer or screwed conductor is
connected to the neutral conductor.
Continuity Check
a)
Check the continuity of the protective conductor from the farthest point to
main earth terminal of the DB for each final circuit by means of a DC ohm
meter verify the values are within permissible limit).
b)
Check the continuity between the open ends of each of the three rings of
circuit (ie. phase, neutral and earth) for all ring final circuits conductors with
a multi meter and the value to be within the permissible limit.
D.
Insulation Resistance Test - Check and measure the insulation resistance between
phase, neutral and earth through a 500 Volts, Megger.
E.
RCCB and Polarity Test
a)
Switch on and off all MCB’s and Contactor relay to verify for the desired
operation.
b)
Check earth leakage circuit breakers by means of RCCB tester.
c)
Check the circuit performance by switching on the MCB in the DB.
d)
Check the light and power points by operating all the switches connected in
the circuits.
e)
Check all the sockets outlets of ring/radial circuits with 3 pin socket tester
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(13A)/test lamp.
f)
F.
Tabulate the readings taken.
Earth Fault Loop Impedance Test
a)
Measure the earth loop impedance across phase and protective conductor with
earth loop impedance tester.
b)
Tabulate the readings taken and compare with permissible values.
2.5
LIGHTING CONTROL SYSTEM
A.
Testing and commissioning shall be in accordance with specification section 16570
part 3.2 and including the following:
B.
Physical Check
C.
a)
Check the breakers are properly grouped to the appropriate contactors for
on/off control.
b)
Check the system cables are properly terminated to the corresponding lighting
group.
c)
Check the identification and labelling of different lighting groups are
provided.
d)
Check the operation of override switch.
Function Test
a)
Check the system time channel settings required for night reduction.
b)
Monitor the system operation during time channel set time period.
2.6
LV power and Control Cables
A.
Physical Check
Check the cable installation and ensure the following:
a)
Proper laying and dressing cable cleating /tying cable.
B.
b)
Tray supports are adequate.
c)
Cable identification and labelling.
d)
Glanding and gland earthing termination is correct.
e)
No physical damage.
Insulation Resistance Test
a)
Conduct insulation resistance test
recommendations, and test requirements.
b)
Measure insulation resistance between cores of all LV cable with a 500 V
Megger and tabulate readings, the readings to be verified with permissible
limits (min. 10 Mega ohms)
c)
Measure insulation resistance between cores and ECC and earth terminal
with a 500 V Megger and tabulate readings. The readings to be verified with
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manufacturer
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permissible limit.
C.
Phase Rotation Test- Phase rotation at all points should be same other wise rectify.
D.
Performance Test (to be energised temporarily)
a)
Switch on all isolators and run all equipment, for 2 hours and verify complete
performance.
b)
Check for any unusual temperature rise in cables, terminals and switches and
protective devices.
2.7
MV CABLES
A.
Physical Check
Check the cable installation and ensure the following are in accordance with the
approved shop drawings and applicable Codes and Standards:
a)
b)
c)
d)
e)
f)
B.
Spacing between cables and depth of laying.
Cable tiles, warning tapes.
Cable identification and labelling.
Bending radius
Glanding and gland earthing.
No physical damage.
Voltage check of the MV cable
Apply the voltage 24 KVDC for 1 minutes, test voltage as per related Codes and
Standards:
a)
b)
c)
d)
e)
f)
Use approved and valid certified test equipment.
This test requires a coordination with the manufacturer of transformer,
switchgear etc. if the MV cable ends at a transformer or a switchgear
(disconnect main transformer and all CT, PT).
Insulation resistance test using approved insulation tester (2.5KV megger).
Continuity test using approved resistance tester.
Phase rotation test (in the LV side of PTs).
Performance test
Energise the cable temporarily, apply load for 2 hours and verify complete
performance.
Check for any unusual temperature rise in cables, terminals and protective devices.
2.8
GROUNDING AND BONDING
A.
Testing and commissioning shall be in accordance with specification section 16645
part 3.2 and including the following:
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B.
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Physical Check
Check all the earth electrodes in earth pits for proper installation and connection.
a)
C.
D.
Check all the protective conductors from the earth electrodes to the MDB’s
and DB’s for proper installation and connection.
Earth Electrode Resistance
a)
Remove the protective conductor connection from the electrode.
b)
Measure earth electrode resistance by using an earth megger.
c)
Repeat the above for all pits and tabulate readings.
Continuity Test
a)
Check proper earth bonding by checking continuity of protective conductor by
a D.C. ohm meter.
b)
The above to be checked for all protective conductors to various equipment.
c)
Check the continuity resistance between the main earth terminal of the
MDB/DB and the farthest equipment by a DC ohm meter.
2.9
LIGHTNING PROTECTION SYSTEM
A.
Testing and commissioning shall be in accordance with specification section 16605
part 3.2 and including the following:
Physical Check
B.
C.
a)
Check the proper jointing of copper tapes with accessories and earth
electrodes.
b)
Clean and tighten all joints.
Earth Electrode Resistance
a)
Remove the lightning system continuity conductor connection from the earth
electrodes.
b)
Measure the earth electrode resistance by using an earth megger.
c)
Repeat the above for all pits and tabulate readings.
Continuity Test
a)
Check proper connection by checking continuity between lightning protection
conductor at the selected farthest points and the earth electrode by using a DC
ohm-meter.
b)
Check continuity resistance between the lightning protection conductor and
the metallic frame works bonded with the lightning protection system by using
DC ohm-meter.
c)
Repeat the above for entire network and record the readings.
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2.10
FIRE ALARM SYSTEM
A.
Testing and commissioning shall be in accordance with specification section 13850
part 3.4 and including the following:
B.
Visual Checks
C.
D.
a)
Check installation of fire alarm system cables for proper laying, termination,
clipping, labelling, identification.
b)
Check cable connection to the F.A.C.P. battery, repeater panel.
Insulation Resistance Test
a)
Check insulation resistance between cores with a 500 V megger.
b)
Tabulate readings.
Functional Checks
Fire Alarm:
a)
Put the system into operation as per manufacturer’s recommendation.
b)
Simulate fire conditions by generating smoke/heat to activate the detectors.
c)
Check display of detector number check operation of LED on the detector
Check display on network.
Check the printer operation.
Fault Alarm:
a)
Simulate fault situations like power failure, battery on, open circuit.
b)
E.
F.
Check visual display in the panel.
Interlock Check
a)
Simulate fire conditions in each zone.
b)
Check that the FAHU/AHU in that zone cuts out.
c)
Check the operation of fire roller shutters pressurization fans & extract fans.
Monitoring Features
a)
Activate the sprinklers/fire hose reel
b)
Check panel monitoring facility for fire pumps/sprinkler pump/zone control
valves.
2.11
PUBLIC ADDRESS SYSTEM
A.
Testing and commissioning shall be in accordance with specification section 16820
part 3.2 and including the following:
B.
Pre-commissioning Procedures
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C.
a)
On completion of cabling and prior to termination, check all the cables to
ensure that they are free from any short circuits,
b)
Identify and label all the cables using cable markers.
c)
Check for proper termination at the junction boxes.
d)
Check and ensure that all types of speakers are mounted properly.
e)
Ensure that all speakers are terminated properly and set at appropriate tappings
(Wattage).
f)
Check the back panel terminations of the equipment.
g)
Check the terminations in the zone selector.
h)
Ensure that all zones are clearly identified on the microphone console.
i)
Check for the functional features of the equipments in PA rack.
j)
Check termination of cables at the equipments in PA rack.
Functional Test
a)
Put the system on as per manufacturer’s recommendation.
b)
Check Performance of the system for TS configuration.
c)
Tabulate observation.
2.12
EMERGENCY LIGHTING SYSTEM
A.
Visual Checks
B.
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a)
Check the cable entries with regards to their tightness.
b)
Check the general arrangements of components and wiring.
c)
Rating and details of components.
d)
Labels and identifications.
e)
Earthing of components and related connections.
f)
Check the polarity.
Insulation Resistance Test
a)
Disconnect and bridge the mains connecting lead.
b)
Disconnect and bridge the cable to the emergency lights.
c)
Carry out insulation measurement to PE.
d)
Remove the bridges after the insulation resistance measurement.
e)
Reconnect the mains connecting lead and cable the emergency lights.
2.13
LIGHTING
A.
Verify the correct lamps, position, ballast and operation of all fixtures.
B.
With all lighting in operation, measure the average illuminance on the floor/working
plane by establishing the maximum and minimum levels in the following locations:
C.
Exits, public corridors, corridors leading to exits, electrical equipment rooms, elevator
machine rooms and hoistway pits, offices, storage rooms, service rooms, garages,
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washrooms and stairways.
Class rooms and all laboratories.
every place of assembly rooms and areas as directed by the CONSULTANT.
With only the emergency lighting in operation, measure the average illumination at
exits, public corridors, floor areas where the public may congregate and other rooms
and areas as directed by the CONSULTANT.
Take readings at night, with no outside light contribution.
Take readings with a cosine corrected portable digital illuminance meter, or with a
video camcorder with suitable software for illuminance measurements. Measuring
instruments shall be tested, calibrated and certified accurate to within 2%.
Submit technical, testing and calibration data as well as certification on the
photometer.
All readings results should match the required illuminance levels as specified in
relevant sections.
Plot lighting results on a set of reproducible plans for review by THE CONSULTANT
and submission to the authorities.
2.14
STRUCTURED CABLING SYSTEM
A.
Testing and commissioning shall be in accordance with specification section 16710
part 3.6.7 and including the following:
Visual inspection to ensure the items as indicated below:
1.
2.
Horizontal and backbone cabling are installed in accordance with the
applicable codes and standards.
Labelling and identification are in accordance with ANSI/TIA/EIA-606
3.
Earthing and bonding are provided as per related codes/standards and to local
authority requirement.
4.
Connecting hardware and all other cabling system components are installed by
proper cable preparation, termination practices, orientation, proper cable
management, and mounting that are in full compliance with manufacturer’s
guide lines to avoid signal impairment.
5.
Circuit protectors are provided for all cabling which enter or exit the building
in comply with applicable codes and standards.
6.
Enough clearance and separation from electrical cabling and equipment in
accordance
with applicable codes/standards and manufacturer’s
recommendations are provided to avoid electromagnetic interference(EMI)
7.
The maximum cable pulling tension and minimum bending radius
exceeds manufacturer’s specification and applicable codes/standards.
8.
The amount of untwisting in a pair for UTP copper cable as a result of
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termination to connecting hardware is less than 13mm or as per
manufacturer’s guidelines.
2.15
9.
Cables of different transmission performance categories are terminated in
different termination fields.
10.
No more than two pieces of connecting hardware in a cross connect.
11.
All fiber cables are connected straight with no transpositions of fiber pairs or
cores/strands.
12.
Section length in compliance with the maximum length requirement.
13.
The no. of bends in the installation are the minimal.
TESTING OF UTP COPPER CABLES
All transmission testing shall be performed with an approved UTP field tester which
shall be factory calibrated by the field test equipment manufacturer. Calibration
certificate shall be submitted for CONSULTANT approval.
All UTP test cords, adapters, etc to be used for testing shall be supplied and verified by
the test equipment manufacturer to meet or exceed the requirements of TSB-67 and
qualified to test CAT 6 cabling system.
Following shall be included in the testing:
a)
b)
c)
d)
Horizontal Basic Link Model
Backbone Basic Link Model
Horizontal Channel Test Model
Backbone Channel Test Model
Following transmission parameters shall be tested for the installed structured cabling
system using the filed tester:
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
WIRE MAP
LENGTH
NEXT Loss ( pair to pair)
NEXT Loss ( power sum)
FEXT
ELFEXT ( pair to pair)
ELFEXT Loss ( power sum)
ATTENUATION
RETURN LOSS
PROPAGATION DELAY
DELAY SKEW
All ‘PASS’ test result shall be down loaded into the database software that has been
provided by the field test equipment manufacturer.
2.16
OPTICAL FIBER TESTING
A.
Verify the integrity of all optical fiber link including single mode and multimode fiber
cables using the following tests:
HOTEL SUBSTRUCTURE IFC PACKAGE
DEC. 2007 Rev:0
SECTION 16080
PAGE 14 of 15
JW MARRIOT ABU DHABI RESORT & SPA
OTAK INTERNATIONAL
Continuity test
ATTENUATION test
Testing shall include but not limited to the following:
a)
Link loss measurements
b)
Fiber Attenuation (dB/KM)
c)
Splice and connector loss
d)
Reflectance and optical return loss measurement
e)
Length measurement
Test equipment shall be:
a)
b)
Laser source and Power Meter
OTDR
OTDR shall be a multi tester with built in power meter, equipped with laser source,
suitable for any field testing and shall be with data storage and PC emulation software.
All test equipment shall be from the manufacturer of structured cabling system or from
CONSULTANT approved test equipment manufacturer.
All test equipment shall be factory calibrated by the field test manufacturer and
calibration certificate shall be submitted for CONSULTANT approval.
- End of Section -
HOTEL SUBSTRUCTURE IFC PACKAGE
DEC. 2007 Rev:0
SECTION 16080
PAGE 15 of 15
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