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Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 1 / 24
SUPPLY OF 04 Nos., OF
POWER CUM MOTOR CONTROL CENTRES (PMCC) FOR
AC PLANTS.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 2 / 24
INDEX
S.No. Description Page no
1. Scope of Work, Terms and Conditions 03
2. Schedule of quantities - Annexure I 09
3. Specification of ACBs - Annexure II 11
4. Specifications of MCCBs - Annexure III 13
5. List of approved panel builders - Annexure IV 15
6. List of approved makes of switchgears - Annexure V 18
7. Specifications of Auto source transfer control panel - Annexure VI 19
8. Specifications of Automatic and remotely operated Transfer
Switches (ATS) - Annexure VII
21
9. Typical circuit diagram for DDC Control - Annexure VIII 22
10. Technical Compliance Statement - Annexure IX - 23
11. Price Bid Format - Annexure X 24
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 3 / 24
TECHNICAL SPECIFICATIONs
SCOPE OF WORK, TERMS AND CONDITIONS
1.1 Supply of 04 nos., of Power cum Motor Control Centres (PMCCs) for AC
plants
1.2 The switch gear details and schedule of quantities are enclosed as Annexure I
1.3 The specifications of ACBs are enclosed as Annexure II
1.4 The specifications of MCCBs are enclosed as Annexure III
1.5 List of approved panel builders is enclosed as in Annexure IV. The PMCCs
shall be procured only from these approved panel builders.
1.6 List of approved makes of components are enclosed as in Annexure V
1.7 The specifications of Auto source transfer control panel are enclosed as
Annexure VI
1.8 The specifications of Specifications of Automatic and remotely operated Transfer
Switch (ATS) are enclosed as Annexure VII
1.9 All outgoing feeders shall have DDC inter posing aux. contactors and shall be
wired up to cable chamber. Potential free contacts shall be wired up to cable
chamber from contactors to acquire the on / off status at DDC. Local / DDC -
selector switches shall also be provided. A typical motor control circuit diagram
is enclosed as Annexure VIII
1.10 Technical compliance statement is enclosed as Annexure IX.
1.11 Price bid format is enclosed as Annexure X
CONSTRUCTION
1.12 The PMCC should be fully compartmentalized in dust and vermin proof sheet
steel enclosures.
1.13 The Panels shall be fabricated using suitable mild steel structural sections or
pressed and shaped cold rolled sheet steel of thickness of min.2mm for load
bearing members, 1.6mm for non- load bearing members and 3mm for base
channel.
1.14 The base frame shall be of minimum ISMC 100, integral to the PMCC panels.
1.15 Each module, bus bar chambers, cable alley should be provided with hinged
independent doors.
1.16 All the elements of PMCC (frames, cubicles, doors etc.,) shall undergo seven
tank surface treatments.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 4 / 24
1.17 PMCC shall be painted by powder coating of approved shade / color process with
two coats of zinc chromate primer and two coats of powder painting. The
painting should be done to get a smooth, scratch free and corrosion resistance
surface.
1.18 Removable gland plates shall be provided at the cable chamber.
1.19 PMCC shall be dust and vermin proof construction. The degree of protection
shall be IP42.
1.20 The panel shall be fabricated in no. of sections so that it is for easy for
transportation and positioning the panels in the panel rooms after which they can
be integrated.
1.21 Cable chambers shall be adequately sized to accommodate the no.of cables.
1.22 Fire retardant DMC/ SMC fillings for openings around the bus bars at the
intermediate sections shall be provided so that the fire from one section /
compartment spread to the other.
1.23 The minimum clearance between phases and phase to earth shall be maintained
as per standards for entire run of horizontal and vertical bus bars.
1.24 ACB feeders shall be mounted in single tier and all ACBs shall be mounted &
accessible at same height. No other feeder cubicle shall be in the same column
as that of ACB
1.25 PMCC shall be of height, not exceeding 1800 mm. The operating height shall be
restricted to 300 mm minimum & 1600 mm maximum.
1.26 All compartments should have the doors in the front and the doors of adjacent
compartments should open in the opposite direction.
BUSBARS:
1.27 The bus bar should be of electrolytic Aluminium conductor as per IS 5082 and
should be supported in FRP (fiber glass reinforced polyester) insulators.
Necessary test certificates from NABL accredited lab shall be submitted.
1.28 The bus bars should be designed to withstand fault level of 70kA RMS and 105
kA peak for phase bus bars and 30 kA RMS and 60 kA peak for neutral bus bars
for one second and should be housed in fully enclosed chamber with bolted
cover. Type test certificate issued by CPRI in this regard shall be submitted.
1.29 The bus bars shall be insulated with heat shrunk PVC sleeves with colour coding.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 5 / 24
1.30 The clearances between bus bars shall be adequate enough in view of short
circuit capacity of 70 kA and as per relevant IS/ IEC .
1.31 Bus bars shall be of uniform cross section throughout the length of the
switchboard and shall be adequately supported and braced to withstand the
stress due to the specified short circuit current.
1.32 FRP shrouds shall be provided for joints and tap-off for main bus bar.
EARTHING:
1.33 An earth bus shall be extended throughout the length of the PMCC. Minimum
size of earth bus shall be 40x10 mm GI or 30x10 mm for copper.
1.34 Suitable arrangement shall be provided at each end of horizontal earth bus for
bolting to Client’s earthling conductor.
METERING & INDICATION LAMPS
1.35 Both the incoming feeders shall be provided with 96 mm X 96 mm Digital
Voltmeter and Ammeter within built selector switches.
1.36 The panels shall also have suitable Current Transformers (accuracy class 0.5) for
all the feeders as required.
1.37 The PMCC shall be provided with communication capable Digital Multi-Function
Meters (MFM) for all incoming and outgoing feeders which can indicate Voltage
between phases, Between Phases and earth, Current in each phase, Active
Power in each phase, Reactive power, Frequency , Harmonic distortion etc., with
RS 485 communication port (L&T quasar make panel meter or equivalent
Siemens or RISHAB 3430 make only).
1.38 The panels shall be provided with LED type indication lamps for R, Y, B phases
for all incoming feeders.
1.39 All ACB feeders shall be provided with LED indication lamps for on, off, trip and
spring charge status.
1.40 All outgoing feeders shall have On, Off, trip indications of MCCBs and On and Off
status of contactors
OTHER SPECIFICATIONS
1.41 The panels shall be designed for 415 V, A.C, three phases, four wire system.
1.42 All the compartments shall be suitably labeled with removable engraved plates.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 6 / 24
1.43 On receipt of order, the party shall submit detailed GA drawing with bill of
materials for approval before taking up the panel fabrication.
1.44 Cable entry shall be from bottom
1.45 Barriers or shrouds shall be provided to permit safe working at the terminals of
one feeder without accidentally touching the other live circuit / feeder.
1.46 Necessary spreader links shall be provided at the switch gears and bus bars
shall be extended to the cable chambers.
CONTROL WIRING
1.47 All control wiring shall be carried out with 660 V grade multi core cable Fire
Retardant PVC wires of size min. 1.5 sq.mm
1.48 Wiring shall be bunched and routed through cable alleys.
1.49 Wiring shall be properly numbered with ferrules
1.50 All control circuits shall be suitable protected for short circuits with independent
MCBs.
STANDARDS
The PMCCs shall conform to the latest revisions of relevant Indian and
International Standard some of which are listed below.
1.51 IS 8623 : 1993 Specification For L.V. Switchgear & Control gear Assemblies:
(Part I)
1.52 IS 2705: 1992 Current Transformers
1.53 IEC 60947 Low-voltage switchgear and control gear
SITE CONDITIONS & NETWORK PARAMETERS
• Rated Voltage : 415 Volts AC
• Rated Frequency : 50 Hz
• Fault level : 70kA
• Ambient Temperature : 45°C
• Neutral Earthing : Solidly grounded
• Control voltage : 240V AC
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 7 / 24
INSPECTION
1.54 The panel shall be offered for inspection before dispatch. High Voltage test,
insulation resistance measurement, dimensional checks, control wiring etc., as
per Indian Standard will be carried out at the time of inspection. The party shall
arrange all the test equipments in this regard.
OTHER TERMS & CONDITIONS
1.55 PMCC shall be guaranteed for a period of 18 months from the date of supply or
12 months from the date of commissioning whichever is earlier.
1.56 On receipt of order, the party shall submit the GA drawing, control circuit and
foundation drawings for our approval before commencing the fabrication work.
1.57 The supplier shall provide three sets of hard copy and one set of soft copy of
Operation and maintenance manual of the panels having maintenance manual of
switchgears, power and control circuit diagram etc.
1.58 The supplier shall provide adequate no., of operating handles and castle keys
1.59 Delivery schedule is as follows
Delivery Schedule
S NO Description Preferred time by Department
Compliance or Revised time as required by supplier
01 Submission of all drawings Within two weeks from the date of release of PO
02 Approval of Drawings by Department
Within two weeks from the above task
03 Manufacturing Within 08 weeks from the above task
04 Intimation of readiness for inspection
Minimum 15 days in advance by supplier
05 Inspection at works by Department
Within two weeks on receipt of inspection call
06 Delivery to site Within two weeks after clearance from inspection team
10 Total completion of the order 16 weeks
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 8 / 24
The above delivery schedule is the maximum period. Early delivery schedule is preferred.
1.60 Our payment terms are as follows
Supply Cost
a. Maximum of 30 % advance after issue of confirmed PO and subject to providing PBG as acceptable to Department to this effect
b. 70 % within 30 days on receipt and acceptance of items at our site with all taxes and transportation costs
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 9 / 24
ANNEXURE I
Schedule of quantities G-24 AC Plant
S No Description of Feeder Rating Qty
1 Incomer ( with communication capable Auto Source transfer controller)
1250 A, 4P, ACB 02 nos.,
2 Bus coupler 1250 A, 4P, ACB 01 nos.,
Out goings
3 Chiller Units 1 to 7 ( Each 120 KW)
500 A, 3P, MCCB 07 nos.,
4 For other loads 63 A 3PMCCB 02
5 For other loads 32 A 3P MCCB 03
Motor feeder having MCCB, Starters etc.,
6 Primary and secondary pumps ( Each 9.3 KW)
63 A MCCB & Star Delta Starter
10 nos.,
CTR AC plant S No Description of Feeder Rating Qty
1
Incomer With communication capable Auto Source transfer switch(ASTS)
400 A, 4P, MCCB With 400 A ASTS
02 nos.,
Out goings
2 Chiller Units 1 to 3 ( Each 45 KW)
200 A, 3P, MCCB
03 nos.,
3 Pumps ( Each 5.5 KW)
32 A, 3P, MCCB Star Delta Starter
03 nos.,
4 AHUs ( Each 15 KW)
32 A MCCB & Star Delta Starter
02 nos.,
5 CT fan (1.5 KW )
32 A MCCB with DOL starter
03
6 Heaters ( each 10 KW) 32 A MCCB with DOL Starters
04
7 For other loads 63 A 3P, MCCB 02
8 For other loads 32 A 3P, MCCB 02
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 10 / 24
Satellite Cooling AC plant Part I S No Description of Feeder Rating Qty
1 Incomer ( with communication capable Auto Source transfer controller)
800 A, 3P, ACB 02 nos.,
Out goings
2 For other loads 63 A 3P MCCB 02
3 For other loads 32 A 3P MCCB 02
4 Chiller Units 1 to 3 ( Each 131 KW)
500 A, 3P, MCCB 03 nos.,
5 De-humidifier 1 to 2 ( Each 93 KW)
400 A, 3P, MCCB 03 nos.,
Motor feeder having MCCB, Starters etc.,
6 Primary and secondary pumps ( Each 5.5KW)
32 A MCCB & Star Delta Starter
05 nos.,
Satellite Cooling AC plant Part II S No Description of Feeder Rating Qty
1 Incomer (with Auto Source transfer controller)
800 A , 3P ACB 02 nos.,
Out goings
2 Compressor units 1 to 5 (Each 112 KW)
500 A, 3 P MCCB 05 nos.,
Motor feeder having MCCB, Starters etc.,
3 Chilled water pumps 1 to 5 ( Each 15 KW)
100A, 3P, MCCB Star Delta Starter
05nos.,
4 Condenser water pumps 1 to 5 ( Each 11 KW)
63 A, 3P, MCCB Star Delta Starter
05nos.,
5 CT fan (5.5 KW )
32 A MCCB with DOL starter
04 nos.,
6 For other loads 63 A 3PMCCB 02
7 For other loads 32 A 3PMCCB 02
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 11 / 24
ANNEXURE II
Specification of ACBs
1. Circuit breakers shall be air break, draw out type that is bus side & outgoing
power and control connections shall be through draw out contacts. Suitable
guides shall be provided to facilitate easy withdrawing of the circuit breaker. All
identical feeder compartments shall be interchangeable.
2. The ACBs shall be operated with mechanical as well as electrical using
pushbuttons with closing and opening coils.
3. All ACBs shall have communication ports so that the ACBs can be operated
through SCADA. SCADA is NOT in the scope of work. Else suitable
communication modules and accessories shall be installed for remote operation
through SCADA.
4. The circuit breakers shall be provided with 6NO + 6NC spare auxiliary contacts,
wired and available for Owner’s use.
5. The breaking capacity shall be minimum 65 KA.
6. All ACB`s shall have Ready to Close indicator to ensure easy start-up and safe
switching.
Protection
7. ACBs shall have micro processor based protection release .The ACB shall be
equipped with an integral self powered microprocessor based LSING protection
release, which works on true R.M.S values for ensuring accurate protection.
8. Bus coupler ACB need not have protection release.
9. Release shall have PROFIBUS ,Modbus and Zigbee communication facility
10. Integral Test facility to test healthiness of release and the trip circuitry shall be
provided on the release.
11. Trip indicators shall be provided to display the exact nature of fault (i.e. O/L,
S/C, and E/F) that caused tripping of circuit breakers.
12. The trip indication shall need no external power supply for display.
13. The ACBs shall have trip and event recording.
14. The incoming 1 & 2 and bus coupler shall have both electrical as well as
mechanical interlocks.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 12 / 24
The setting range of protection release shall be as follows:
15. Overload protection shall have adjustable setting from 40% to 100% of the
circuit breaker nominal current and the variation of setting shall be in steps of
5% of the nominal current.
16. Short time delayed short circuit protection will have adjustable current setting
from 125% to 1200% of the nominal Current rating of the circuit breaker and
adjustable time delay setting for fault discrimination from 0-400ms.
17. Short Circuit protection shall have standard phase failure protections for motor
application with the delay time of 20 ms.
18. Instantaneous short circuit protection shall be either fixed type with Fault current
pick-up – 20 times or settable type with a range of setting of 150% - 1200% of
the nominal Current of the circuit breaker.
19. .Earth fault protection will have adjustable current setting in absolute values.
20. The adjustable time delay setting for tripping on earth fault shall be within 100 –
400ms. Also there should be provision to disable the Earth Fault Protection if
required.
21. .Neutral Protection shall be provided for 3P as well as 4P ACB. The Neutral
protection shall be dependent on the phase current and typical protection range
shall be either 50% or 100%.
22. It shall be possible to change the release settings on-line
23. Shall have inbuilt metering to indicate voltage, current, % loading, power,
energy & harmonics
24. Touch screen system to provide ease of navigation
25. Ocillographs to display pre and post fault current and voltage
26. Shall have features for Zone Selective interlock, Trip circuit Supervision and
Restricted earth fault.
27. Shall have in built electrical and mechanical anti- pumping
28. Shall confirm to IS / IEC 60947-2 7 IEC 60947-2
29. The release shall have rating DIP switch facility to ensure complete protection
even when the system is partially loaded i.e., reduce the rated current of the
ACB.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 13 / 24
ANNEXURE III Specifications of MOULDED CASE CIRCUIT BREAKERS (MCCBs)
1. The MCCB shall have minimum breaking capacity of 65kA with microprocessor
based release.
2. MCCBs shall be actuated operating handle that clearly indicates the three
positions: ON, OFF and TRIPPED.
3. The MCCB should be have a trip-free mechanism that ensures the trip process
is not prevented even if the operating mechanism is blocked or manually held in
the “ON” position.
MCCBs shall have
4. Over load ( phase & neutral ) short circuit and earth fault protection with time
delay. Necessary CT in neutral shall also be provided to enable earth fault
feature
5. Comprehensive current, power and energy metering.
6. Provision for thermal memory defeat
7. Modbus RTU and Bluetooth protocol
8. True RMS sensing and ,Push to trip button
9. Self-powered.
10. The possible setting for various protection shall be as follows
Over load ( Phase ) :
Current : 40 to 100 % insteps of 1 %
Time delay : 0.5 to 30 sinsteps of 0.1s
Protection mode : On/ Off
Preset trip / alarm setting : 50% to 90 % in steps of 1 %
Thermal memory : Enable / Disable
Over load ( neutral )
Current : 50 to 90 % insteps of 1 %
Time delay : 0.5 to 30 sinsteps of 0.1s
Protection mode : On/ Off
Preset trip / alarm setting : 50% to 90 % in steps of 1 %
Thermal memory : Enable / Disable
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 14 / 24
Short circuit & instantaneous
Current : 1.5 to 8 % insteps of 0.1
Time delay : 100, 200, 300, 400 ms
Protection mode : On/ Off ( only for short circuit )
Preset trip / alarm setting : 50% to 90 % in steps of 1 %
Earth fault
Current : 10 to 50 % insteps of 5 %
Time delay : 100 ms to 500 ms insteps of 50 ms
Protection mode : On/ Off
Necessary neutral CT shall be provided.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 15 / 24
ANNEXURE IV
LIST OF APPROVED PANEL BUILDERS
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
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Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 17 / 24
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 18 / 24
ANNEXURE V
LIST OF APPROVED MAKES OF SWITCHGEARS
Sl.no Item Makes 1 Air Circuit Breaker ( ACB) Siemens/ L&T/Schneider/ABB / GE /
Legrand / C&S Eleectric
2 Moulded case Circuit Breaker Siemens/ L&T/Schneider
3 Auto source transfer controller L & T / Siemens / Schneider / Crompton greaves
4 Auto source transfer switch Socomec / GE / Emerson / APC ( Scheider) / Reillo AROS/ Piller / epi
5 Current / Voltage transformer Siemens/ Kappa/ Nippen /Paras /
Intrans / AE / Neutronics
6 Relays Siemens/ L&T
7 Digital Meters/ Multifunction Meters
Same as of ACB
8 Indicating Lamps Siemens/ L&T or equivalent
9 Alluminium Bus Bar Indal/ Hindalco
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 19 / 24
ANNEXURE VI Specifications of Auto source transfer control panel
01. The auto source controller panel shall house the auto source controller and one
set of 16 A Mechanically interlocked contactor with 2 NO + 2 NC
02. The panel shall be made of 1.2 mm sheet steel
03. This panel will be used in conjunction with two HT VCB panels. The intended
purpose is to automatic switch on the 2nd feeder when the power / abnormal
conditions of power occur in the 1st feeder and vice versa.
04. All the wires shall be brought to terminal block
05. Necessary software to communicate with auto source controller shall be
supplied and demonstrated.
06. The parties shall enclose the auto source transfer controller catalogues along
with their quote.
07. The specifications of auto source controller is listed below
FEATURES
• Automatic/ manual control of power supply source.
• Set-up data programming.
• Virtual front panel viewing with key activation feature.
• Analog modern /GSN modern support.
• Programmable I/OS.
• Test function.
• LED Test indication.
• Voltage and Frequency display.
GENERAL CHARACTERISTICS
• Rated Auxiliary power supply:220-230-240 VAC or 12-24-48 VDC.
• Voltage transformer (PT) programming.
• Phase to phase voltage measure inputs :80---800VAC
• TRMS Voltage measure
• Frequency measure of both sources :45….65HZ
• 2 display for voltage and frequency measure viewing.
• 8 digital programmable inputs and 7 programmable relay outputs.
• RS 232 / Rs 485 interface.
• Plug in removable terminal connections.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
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OPERATIONAL CHARACTERISTICS
• Supported Applications(Utility /Utility, Utility/gen-set and gen-set/gen-set)
• Control capability. Choice of single, two , three phase lines ,with or without
neutral.
• Single enable control on the line:
Phase loss or failure , phase sequence ,min &max voltage ,asymmetry and min
and max Frequency.
• Statistical logging .
• Event logging with time and date entry :
Source of automatic transfer control automatic controls, manual control
incomplete transfer control, operating mode change, and set up data variations
• Data and event storage in non volatile Ferro magnetic memory.
• PC or Key pad setup.
• Modbus –RTU and Modbus ASCII communication protocols.
• Analog modem /GSN modem support.
• Programmable automatic gen set test
PROGRAMMABLE FUNCTIONS
• Automatic test.
• Transfer strategy
• Gen-set starting super vision.
• Two generator rotation.
• Principal line selection.
• Non –priority loads disconnection.
• Before and after transfer indication.
• EJP(Effacement Jour Pointe-special energy tariff) signal supervision.
The source controller shall be of makes L & T / Siemens / Schneider / Crompton
greaves only
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 21 / 24
ANNEXURE VII
Specifications of Automatic and remotely operated Transfer Switches (ATS)
01. Rated Current : 400 A
02. Rated Voltage : 415 V AC ,3 Phase , 4 wire
03. Utlisation Category : AC 32 B
04. No. Of poles : 4 poles
With following features / accessories
05. Watch dog relay
06. Positive break indication
07. Confirming to IEC 60947-6-1
08. Manual emergency control with handle
09. Auto / Manual integral key selector
10. Transfer of power from one source to other based on parameters settable on
site
11. Mains/ Mains or Mains / Gen set transfer
12. Dual power supply
13. Software for enabling / configuring the parameters
14. With Communication module Ethernet communication with RS 485 Modbus
gateway
15. Recording of events with time stamping and power measurement.
16. Web server function to access the ATS by entering IP address.
17. Mechanical durability : Minimum 8000 cycles
18. Switching time
a. I to II or II to I : 1.3 s max.
b. I – 0 – 0 – II : 0.85 s max.
c. Duration of electrical blackout : 0.6 s max.
19. With terminal shrouds
20. Bridging bars
21. Aux contacts 1 NO/ NC for each position
22. Remote display unit with connection cable of 3m.
23. With accessories required for energy management
24. Make : Socomec / GE / Emerson / APC ( Scheider) / Reillo AROS/ Piller / epi
ONLY. The party shall enclose product catalogues along with the quote.
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 22 / 24
ANNEXURE VIII
Typical control circuit diagram for DDC Control of DOL starter
Note:
1. Similar wiring can be implemented for STAR- DELTA starter also and the potential
free contacts for status shall be taken from DELTA contactor N.O. points only.
2. This diagram is ONLY tentative. Minor modifications will be asked during drawing
approval
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 23 / 24
ANNEXURE IX
Technical Compliance Statement shall be duly filled and submitted without fail
S NO Description Compliance Yes / No
1 Scope of work as per tender specifications
2 Construction as per tender specifications
3 Bus bars as per tender specifications
4 Earthing as per tender specifications
5 Metering and indication lamps as per tender
specifications
6 Control wiring as per tender specifications
7 Confirming to standards as per tender
specifications
8 Inspection as per tender specifications
9 ACBs, MCCBs, ASTC and ASTS as per tender
specifications
Mention the Model no., and enclose relevant
catalogues with quote without fail
10 List of approved makes as per tender
specifications
11 Confirming to List of Approved panel builders
12 Delivery schedule as per tender document
( Format shall be duly filled and submitted )
13 Payment terms as per tender document
14 Compliance to the entire specification. If not
bring out the deviations in separate sheet
Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota
SHAR/CMD/2018 00 8982 Page no 24 / 24
ANNEXURE X
Price Bid Format
Mention as quoted with % of taxes applicable and upload along with Technical bid.
Fill up the amounts and upload as price bid.
Amounts if erroneously mentioned in the technical bid will lead to rejection of the bid itself.
# DESCRIPTION Qty Rate / Unit Total cost
1.0 Supply of PMCC panel
a G24 AC plant 01
b CTR AC plant 01
c Satellite AC plant Part I 01
d Satellite AC plant Part II 01
2.0 Taxes at the rate of ___ %
3.0 Subtotal s.no (1.a to 1.d) + 2.0
4.0 Packing , Forwarding and freight charges
Lumpsum
5.0 Taxes at the rate of _____ %
6.0 Subtotal ( S.no.4.0. and 5.0)
7.0 Any other Cost (mention the details)
8.0 Taxes at the rate of _____ %
9.0 Subtotal ( S.no.7.0. and 8.0)
10.0 Grand Total (S.no., 3.0 + 6.0 + 9.0)