PURCHASE ENQUIRY MDG/PUR/PKS/ENQ/APS Oct 16, 2012

Transcription

1 PURCHASE ENQUIRY MDG/PUR/PKS/ENQ/APS Oct 16, 2012 Sub : Purchase Inquiry for Supply, Installation, testing and commissioning of MCC Panel for APS simplicity and PET Bottle Filling line at MDG. Dear Sir, You are requested to give your most competitive rates for supply of MCC Panel for APS Simplicity and PET Bottle Filling Line at MDG, Gandhinagar as per the technical criteria mentioned in the attached annexure. The offer should reach, Mother Dairy (A Unit Of Gujarat Co - Operative Milk Marketing Federation Limited.) Plot No. - 35, Near Indira Bridge, Ahmedabad - Gandhinagar Highway, Village: Bhat, Dist.: Gandhinagar. Pin No Due Date: 25/10/2012. Plant Visit Scheduled on 19th Oct, 2012 at 3.00 PM at MDG The offer should be sent in sealed cover super scribing on the top left hand corner offer for inquiry No. MDG/PUR/PKS/ENQ/APS dtd. 9/10/2012. Offer received after due date for whatsoever reason may be rejected. Your offer should be sent through Post or Courier & not by Fax or personally. Offer should be valid for acceptance, for 45 days from due date of submission of offer. The price should be quoted on F.O.R basis inclusive of packing and forwarding, taxes, excise duties, freight etc. However if it is separate, it should be clearly mentioned in the quotation. It should cover a warranty of at least one-year against manufacturing defect. Realistic earliest delivery period should be indicated. It is not binding on us to accept lowest offer. Right to reject any or all the offers without assigning any reason is reserved by us. Offer which are incomplete or not meeting the conditions or only for part items, are liable for rejections. No queries regarding the status of the offer will be entertained at any time. The final supplier will be the combined decision of our technical team and management and no reason of final selection will be conveyed to any bidder. Payment terms with 30 days credit shall be preferred. We are an ISO certified unit. We follow Eco- friendly processes in our factory & also expect same to be followed in your company. Authorization from the Manufacturer nedded with the offer. All the bidders have to visit site for better understanding of requirments on above scheduled date and time to MDG. All the bidders has to submit the detailed GA drawing with Bid. Thanking You, For Mother Dairy, Gandhinagar Authorized Signatory

2 APS-A Incommer 1250 A ACB,3-pole,EDO,55KA,with O/L,S/C,E/F protection with MMF Meter with RS 485 port.including ASS,VSS with Ammeter,Voltmeter. 55KA Machine Feeder name KW Breaking capacity Size- Amp Pole 1 line-1 To Stabilizer 70 MCCB with O/L,S/C,E/F with ROM 35 KA 2 From Stabilizer MCCB with O/L,S/C,E/F with ROM 35 KA 3 TBA-8 PT 39 MCCB with O/L,S/C,E/F with ROM TER: 2 SFU TCBP V (MULTI) 3 SFU TCAP SFU TTS SFU line-5 To Stabilizer 60 MCCB with O/L,S/C,E/F with ROM 35 KA 9 From Stabilizer-TP A3 Speed_30V MCCB with O/L,S/C,E/F with ROM 35 KA 10 To Stabilizer 38 MCCB with O/L,S/C,E/F with ROM 35 KA From Stabilizer MCCB with O/L,S/C,E/F with ROM 35 KA Helix 5.4 SFU SA 30_30V 2.2 SFU Bent Foil Treater 0.7 SFU Straw Detector 0.12 SFU LC SFU CBP 30 Speed 6.2 SFU TTS SFU line-6 To Stabilizer 60 MCCB with O/L,S/C,E/F with ROM 35 KA 20 From Stabilizer-TP A3 Speed_30V MCCB with O/L,S/C,E/F with ROM 35 KA 21 To Stabilizer 38 MCCB with O/L,S/C,E/F with ROM 35 KA From Stabilizer MCCB with O/L,S/C,E/F with ROM 35 KA Helix 5.4 SFU SA 30_30V 2.2 SFU Bent Foil Treater 0.7 SFU Straw Detector 0.12 SFU LC SFU CBP 30 Speed 6.2 SFU TTS SFU uht-4 U4 Butter Milk Sterilizer 15 SFU Homogenizer TA-25 for U4 75 MCCB with O/L,S/C,E/F with ROM 35 KA 32 uht-2 U2 Sterlizer 65 MCCB with O/L,S/C,E/F with ROM 35 KA 33 uht B- milk Butter Milk Sterilizer 25 MCCB with O/L,S/C,E/F with ROM 35 KA Homogenizer TA-25 for U4 130 MCCB with O/L,S/C,E/F with ROM 35 KA Pump starter-1 10 SWITCH 36 Pump starter-2 10

3 SWITCH 37 Pump starter-3 10 SWITCH 38 Pump starter-4 10 SWITCH 39 Spare Feeder-1 70 MCCB with O/L,S/C,E/F with ROM 40 Spare Feeder-2 70 MCCB with O/L,S/C,E/F with ROM 41 Weding Points TOTAL LOAD (KW) 756 ELCB (63 A)-1 Nos,TPN MCB(63A)=2 nos.,tpn MCB(32A)=2 nos

4 APS-B Incommer 1250 A ACB,3-pole,EDO,55KA,with O/L,S/C,E/F protection with MMF Meter with RS 485 port.including ASS,VSS with Ammeter,Voltmeter. Machine Breaking Size- Feeder name KW capacity Amp Pole 1 line-2 To Stabilizer 50 MCCB with O/L,S/C,E/F with ROM 35 KA 2 From Stabilizer MCCB with O/L,S/C,E/F with ROM 35 KA 3 TBA-8 PT 39 MCCB with O/L,S/C,E/F with ROM 35 KA Helix 5.4 SFU TCBP V (MULTI) 3 SFU line-4 To Stabilizer 72 MCCB with O/L,S/C,E/F with ROM 35 KA 7 From Stabilizer- TP A3 Speed Family MCCB with O/L,S/C,E/F with ROM 35 KA 8 To Stabilizer 44 MCCB with O/L,S/C,E/F with ROM 35 KA From Stabilizer MCCB with O/L,S/C,E/F with ROM 35 KA Helix 5.4 SFU CBP 30 Speed 6.2 SFU 63 4 CAP 30/Speed for ReCap SFU TTS SFU uht-5 U5 FLEX-1 Sterilzer 22 SFU Homogenizer TA-25 for U5 75 MCCB with O/L,S/C,E/F with ROM 35 KA 16 uht-6 U6 FLEX-10 Sterilizer 43 MCCB with O/L,S/C,E/F with ROM 35 KA Homogenizer TA-350 for U6 160 MCCB with O/L,S/C,E/F with ROM 35 KA as-2 Alsafe - 30KL - New 12 SFU Spare Feeder MCCB with O/L,S/C,E/F with ROM Spare Feeder-2 70 MCCB with O/L,S/C,E/F with ROM 21 Pump starter-1 10 SWITCH 22 Pump starter-2 10 SWITCH 23 Weding Points ELCB (63 A)-1 Nos,TPN MCB(63A)=2 nos.,tpn MCB(32A)=2 nos TOTAL LOAD (KW) 698

5 Incommer APS-C 1250 A ACB,3- pole,edo,55ka,with O/L,S/C,E/F protection with MMF Meter with RS 485 port.including ASS,VSS with Ammeter,Voltmeter. m/c Feeder name KW Breaking capacity Size- Amp 1 line-3 To Stabilizer 75 MCCB with O/L,S/C,E/F with ROM 2 From Stabilizer MCCB with O/L,S/C,E/F with ROM TBA/8-120V MCCB with O/L,S/C,E/F with ROM 35 KA Helix 5.4 SFU 63 4 TCAP SFU TCBP V (MULTI) 3 SFU TTS SFU 63 4 Pole 8 uht-3 U3 Sterilizer 65 MCCB with O/L,S/C,E/F with ROM 35 KA 9 as-1 Alsafe - 20KL - Existing 10 SFU al-1 ALCIP SFU 4 STAR DELTA STARTER WITH Booster Pump AUTO/MANUAL 12 al-2 ALCIP SFU C.T. FAN C.T. FAN C.T. FAN C.T. FAN C.T.PUMP-1 (UHT-2 & 4) C.T.PUMP-2 (UHT-2 & 4) C.T.PUMP-1 (UHT-3 & 5) C.T.PUMP-2 (UHT-3 & 5) C.T.PUMP-1 (UHT-6) C.T.PUMP-2 (UHT-6) C.T PUMP-1 (SPARE) C.T-PUMP-2 (SPARE) C.T PUMP-3 (SPARE) C.T-PUMP-4 (SPARE) 7.5 4

6 SWITCH 24 Jaw cooling water system Jaw cooling water system (SPARE) Jaw cooling water Recovery system Jaw cooling water Recovery system Jaw cooling water Recovery system Jaw cooling water Recovery system Exhaust Fan (1 to 5 nos.) 5 MPCB 4 Exhaust Fan (5 to 10 nos.) 5 MPCB 4 31 FAV fan-1 15 STAR DELTA STARTER 32 FAV fan-2 15 STAR DELTA STARTER 33 FAV fan-3 15 STAR DELTA STARTER 34 FAV-1 air washer Pump 1.5 MPCB With contactor 35 FAV-2 air washer Pump 1.5 MPCB With contactor 36 FAV-3 air washer Pump 1.5 MPCB With contactor 37 Exhoust Fan -1,2,3 6 MPCB With contactor 38 Exhoust Fan -4,5,6 6 MPCB With contactor 39 AHU-1,2,3 6 MPCB With contactor 40 AHU-4,5,6 6 MPCB With contactor 41 UHT Water Recovery Pump-1 10 SWITCH 42 UHT Water Recovery Pump-2 10 SWITCH 43 New A3 To Stabilizer 60 MCCB with O/L,S/C,E/F 35 KA From Stabilizer-TP A3 Speed_30V MCCB with O/L,S/C,E/F 35 KA To Stabilizer 38 MCCB with O/L,S/C,E/F 35 KA From Stabilizer MCCB with O/L,S/C,E/F 35 KA Helix 5.4 SFU 63 4 SA 30_30V 2.2 SFU 63 4 Bent Foil Treater 0.7 SFU 63 4 Straw Detector 0.1 SFU 63 4 LC SFU 63 4 CBP 30 Speed 6.2 SFU 63 4 TTS SFU 63 4

7 44 Forklift battery charging station 10 SFU Forklift battery charging station 10 SFU Forklift battery charging station 10 SFU Pre-Processing Mcc Input 130 MCCB with O/L,S/C,E/F with ROM MCCB with O/L,S/C,E/F with ROM 48 Spare Feeder-1 49 Pump starter Pump starter Pump starter-3 15 SWITCH SWITCH STAR DELTA STARTER WITH AUTO/MANUAL SWITCH 52 Pump starter-4 15 STAR DELTA STARTER WITH AUTO/MANUAL SWITCH 53 Weding Points ELCB (63 A)-1 Nos,TPN MCB(63A)=2 nos.,tpn MCB(32A)=2 nos step APFC Relay Automatic Power Factor Relay 56 4-nos = Capacitor 25KVAR feeder Capacitor: MPP TYPE Make:EPCOS/MEHER Voltage:440v Input SFU size: 63A wth ROM Sutable rating of Capacitor Duty Contactor Forced cooling arrangement 57 4-nos = Capacitor 50KVAR feeder Capacitor: MPP TYPE Make:EPCOS/MEHER Voltage:440v Input SFU size: 125 A wth ROM Sutable rating of Capacitor Duty Contactor Forced cooling arrangement TOTAL LOAD (KW) 766

8 Incommer APS-D 2500 A ACB,3- pole,55ka,with O/L,S/C,E/F protection with MMF Meter with RS 485 port.including ASS,VSS with Ammeter,Voltmeter. M/C Feeder name KW Breaking capacity Size- Amp FILLING BLOC-LA FX MCCB with O/L,S/C,E/F 35 KA CAPS HOPPER AND ELEVATOR 4 SFU UNICLEAN 3A 8 SFU 63 4 UNIDOX ON BOARD MCCB with O/L,S/C,E/F 35 KA Convair SFU INJECT CODER-1-PHASE 3 SFU BOTTLE INSPECTOR-1-PHASE 1 SFU BOTTLE DRYER 12 SFU BOTTLE DRYER 12 SFU FULL BOTTLE CONVEYORS 18 SFU BOTTLES SLEEVER 21 SFU WRAP AROUND LWP30 24 SFU 63 4 SHRINK WRAPPER LSK25P and OVEN MCCB with O/L,S/C,E/F 35 KA 15 PACKS CONVEYOR 4 SFU UPS INPUT 63 MCCB with O/L,S/C,E/F 35 KA 17 UPS OUTPUT MCCB with O/L,S/C,E/F 35 KA 18 FROM UPS ECOFLUX SPIN FX 18 SFU 63 4 FROM UPS MICROBIOLOGICAL 19 ISOLATOR 10 SFU 63 4 UHT Plant, 8,000 l/h MCCB with O/L,S/C,E/F 35 KA Aseptic Tank 5 SFU 63 4 Homogenizer MCCB with O/L,S/C,E/F 35 KA CORPOPLAST BLOWMAX MCCB with O/L,S/C,E/F 50 KA CHILLER MCCB with O/L,S/C,E/F 35 KA 25 COMPRESSOR 96 MCCB with O/L,S/C,E/F 35 KA Pole 26 C.T PUMP C.T PUMP (spare) 15 Closed CT EVAPCO SPRAY 28 PUMP EVAPCO FAN 5.5 STAR DELTA STARTER WITH AUTO/MANUAL STAR DELTA STARTER WITH AUTO/MANUAL DOL STARTER WITH AUTO/MANUAL SWITCH DOL STARTER WITH AUTO/MANUAL SWITCH

9 30 FEED PUMP 7.5 DOL STARTER WITH AUTO/MANUAL SWITCH HVAC System-GEA Clean Room HVAC System- Blower Room Spare pump-1 Spare pump-2 Spare pump-3 Spare feeder-1 Spare feeder-2 60 MCCB with O/L,S/C,E/F 60 MCCB with O/L,S/C,E/F STAR DELTA STARTER WITH AUTO/MANUAL 15 SWITCH DOL STARTER WITH AUTO/MANUAL SWITCH DOL STARTER WITH AUTO/MANUAL SWITCH 80 MCCB with O/L,S/C,E/F 80 MCCB with O/L,S/C,E/F 38 Weding Points ELCB (63 A)-1 Nos,TPN MCB(63A)=2 nos.,tpn MCB(32A)=2 nos step APFC relay Automatic Power Factor Relay 40 8-nos = Capacitor 25KVAR feeder Capacitor: MPP Type Make:EPCOS/MEHER 200 KVAR Voltage:440 V Input SFU size: 63A wth ROM Sutable rating of Capacitor Duty Contactor Forced cooling arrangement 41 6-nos = Capacitor 50KVAR feeder Capacitor: MPP Type Make:EPCOS/MEHER 300 KVAR Voltage:440 V Input SFU size: 125 A wth ROM Sutable rating of Capacitor Duty Contactor Forced cooling arrangement TOTAL LOAD (KW) 1320

10 Air Compressor Feeder name KW Incommer Breaking capacity Size- AMP Pole Incomer 1250 A ACB,3- pole,edo,55ka,with O/L,S/C,E/F protection with MMF Meter with RS 485 port.including ASS,VSS with Ammeter,Voltmeter. 55KA Air Compressor MCCB with O/L,S/C,E/F 36 KA Air Compressor MCCB with O/L,S/C,E/F 36 KA Air Compressor MCCB with O/L,S/C,E/F 36 KA Chilled Water Dryer MCB DP 6A =2 nos 5 Chilled Water Dryer MCB DP 6A =2 nos 6 Closed Circuit Cooling Tower Pump-1 3 DOL Starter- MPCB with OLR 7 Closed Circuit Cooling Tower Pump-2 3 DOL Starter- MPCB with OLR 8 Closed Circuit Cooling Tower Fan Star Delta Starter- MPCB with OLR 9 Closed Circuit Cooling Tower Fan Star Delta Starter- MPCB with OLR 10 Circulating Pump DOL Starter- MPCB with OLR 11 Circulating Pump DOL Starter- MPCB with OLR 12 Pump-Spare 7.5 Star Delta Starter -MPCB with OLR 13 Pump-Spare 5.5 DOL Starter -MPCB with OLR 14 Pump Star Delta Starter -MPCB with OLR 63A ELCB = 01 no. 15 Welding Points 32 A TPN MCB = 02 nos 16 8-nos = Capacitor 25KVAR feeder Capacitor: MPP Type Make:EPCOS/MEHER 200 KVAR Voltage:440 V Input SFU size: 63 A wth ROM Sutable rating of Capacitor Duty Contactor Forced cooling arrangement 503.5

11 GENERAL REQUIREMENT FOR MCC In Incomer and outgoing feeder, Cable Entry Should be Top Entry. All switchgear should be L&T /Siemens make. Effective Height for MCC room is 2.4 m. DOL/Star delta starter feeder equipped with Analog Ammeter, ON indication, TRIP indication,, Start/stop push button.plc on/off indication contact, Feedback command.(2 NO+2 NC) In Main incomer equipped with Ammeter, Voltmeter with ASS and VSS, Multi function meter with RS 485 com port, Volt Meter, Indication lamp (R,Y,B,Trip),TNS switch. Unloading Cost includes unloading of MCC from Ground floor to first floor.so all bidders have to give separate cost for the same.

12 Motor Control Centre (SHEET STEEL) Functional Requirements To receive, control and distribute electrical power at 415 +/- 10% V, 50 Hz, AC in a 2 mm CRCA powder coated (after 7 tank process) sheet steel housing. Design Requirements and Scope of Supply Statutory Requirements: Motor control centre shall be manufactured and assembled as per the latest ISI Specification, Indian Electricity Rules, including special requirements of concerned State Electricity Inspectorate and the detailed specification mentioned below. Housing Details: The switchboard shall be fabricated using pressed and shaped cold rolled steel sections structure of adequate thickness. The sheet steel used for panel shall be min. 14 SWG sheet except that the partition plates and inter-panel barriers may be made of 16 SWG. The switchboard shall consist of free standing front operable panels arranged to form a continuous line-up of uniform height. Cold rolled sheets shall be used for doors and front covers. Front doors shall be hinged type and bus bars and cable alleys covers shall be bolted type. Switch Board shall be extensible at both the ends by addition of vertical sections. Ends of the bus bars shall be suitably drilled for this purpose. Panels at extreme ends shall have openings, which shall be covered with plates screwed to the panel. The switchboard shall be provided with integral base frame. The panel base plate/cable gland plate shall be 2.5 mm thick. The switchboard shall be totally enclosed, dust, weather and vermin proof. The switchboard shall conform to degree of protection not less than IP 44. For MCC rated below 1600A should have degree of protection of IP: 52 or better. Gaskets of durable material shall be provided for doors and other openings. Suitable hooks shall be provided for lifting the boards. These hooks when removed shall not leave any opening in the board. All hardware shall be corrosion resistant. All joints and connections shall be made by galvanised zinc passivated or cadmium plated high tensile strength steel bolts, nuts and washers secured against loosening. The switchboard shall be in cubicle design (each feeder components are housed in individual cubicle) suitable for indoor installation. Suitable cable & bus bar alleys shall be provided. In case plant room dimensions prohibit provision of cable/bus alleys in front, panel depth may be increased suitably to accommodate cables/buses on back of MCC. All components of the switchboard shall generally be approachable from front. However, MCC can be in double front execution also if specifically asked for. The maximum and minimum operating handle/push button height of any feeder shall not be more than 1900 mm or less than 300 mm with reference to panel bottom. Supporting arrangement for dressing of power and control cables in cable alleys also shall be provided. Maximum shipping length of MCC shall be 2500 mm. Painting All metal surfaces shall be thoroughly cleaned and degreased to remove all scales, rust, grease and dirt. Fabricated structures shall be pickled and treated to remove any trace of acid. The under-surface shall be prepared by applying a coat of phosphate paint and a coat of yellow zinc chromate primer. The under surface shall be made free from all imperfections before undertaking the final coat. After preparation of the under surfaces, the panel shall be spray painted with final two coats of approved shade of synthetic

13 enamel paint. The finished panels shall be dried in staving ovens in dust free atmosphere. Panel finish shall be free from imperfections like pin holes, orange peels, run-off paint, etc. All unpainted steel parts shall be cadmium plated or suitably treated to prevent rust, corrosion, etc. Nameplates Nameplates for all incoming and outgoing feeders shall be provided on doors of each compartment. Nameplates shall be fixed by screws only and not by adhesives. Engraved nameplates shall preferably be of 3-ply (Black-White-Black) acrylic sheets or anodised aluminium. Special danger plates shall be provided as per requirement. Inside the panels, stickers should be provided for all components giving identification number as per detailed wiring diagram. Bus bar Sizing Connection & Supports The bus bars shall be made from high conductivity electrolytic aluminium conforming to grade E91E of IS The bus bars and supports shall be capable of withstanding the rated and short circuit current stated in the single line diagram/feeder details. Minimum size of power bus bars shall be 200 Amps Rating. Maximum current density permissible for Aluminium bus bars shall be 0.8 Amps / mm 2 for bus bar area above 500 mm 2 & 1.0 Amp/ mm 2 for bus bar area below 500 mm 2. An earthing bus bar of minimum 150-mm2 section of aluminium shall be provided outside panel at bottom throughout the length of the panel. Provision shall be made to connect the earthing bus bar to the plant-earthing grid at two ends. All doors shall be earthed using flexible copper connections to the fixed frame of the switchboard. The bus bars hall is provided with heat shrinkable PVC insulating sleeves of 1100V grade. Red, yellow and blue colour shall be used for phase bus bars and black colour shall be used for neutral bus bars. Joints shall be shrouded suitably. Supports for bus bars shall be made of suitable size non-hygroscopic and non-inflammable epoxy compound SMC/DMC blocks and these should be adequate in number so as to avoid any sag in the bus bars. Minimum clearance between phases to phase shall be 25 mm and that between phases to neutral/earth shall be 20 mm. Power Connection For power interconnection within the panel board Copper conductor XLPE cables of adequate cross section shall be used. FOR CURRENT RATING ABOVE 63 AMPS ALUMINIUM BUSBAR STRIPS OF ADEQUATE RATING SHALL BE USED. MINIMUM SIZE OF COPPER CONDUCTOR TO BE USED SHALL BE 4.0 mm 2 Cable lugs/ sockets of suitable size and type shall be used for all interconnections. For all aluminium to copper connections: The copper surface will be silver-plated and the aluminium surface will be properly cleaned and supplied with oxide inhibiting grease. For all outgoing motor feeders, the suitable size terminal blocks shall be provided in cable alleys and wiring up to these from contactors shall be done by panel supplier. These terminal blocks shall be heavy-duty type to withstand high starting currents. For incoming and outgoing feeders of the MCC, Aluminium conductor cable will be used and hence the panel is to be designed for receiving these and wherever required cable boxes with bus bar extensions for receiving more number of cables, shall be provided in panel by supplier. Removable gland plates of 12-gauge thickness shall be provided on top/ bottom of panel, for cable entries.

14 To prevent accidental contacts, all interconnecting cables/bus bars and all terminals also shall be shrouded. Standard colour codes of red, yellow and blue for phases and black for Neutral and green for earth are to be followed for all bus bars/conductors. Auxiliary Wiring and Terminals Wiring for all controls, protection, metering, signalling etc. inside the switchboard shall be done with 1100 volts gray colour XLPE copper conductors. Minimum size of these conductors shall be 1.5 mm 2. However, CT circuit wiring shall be done with 2.5 mm 2. Control wiring to components fixed on doors shall be flexible type. The complete panel would be sub-divided into different sections by purchaser and each section shall have its own control circuit with fuse and indication. Terminal block (Minimum 3-ways) for control wiring shall be provided for each outgoing Motor feeder in its cubical. 10% spare terminals shall always be available in each terminal block. Supplier shall do control wiring up to these terminal blocks. All control wiring should be provided with necessary cable sockets/lugs at both ends. Conductors shall be terminated using compression type lugs. Each termination shall be identified at both the ends by PVC ferrules. The identification termination numbers should match with those on drawings. Control wiring for motor feeders should be such that the "green light of motor feeder is "ON only when control as well as power circuit of feeders is "ON" and it shall have its own fuse. For all motor starter feeders, provision for control wiring to remote ON/OFF control is to be made. The auxiliary wiring for the same shall be brought up to terminal block in the feeder's cubicle. Switchgears Air Circuit Breakers (ACB) Please refer to Excel Sheet Moulded Case Circuit Breakers (MCCB) Please refer to Excel Sheet Switches & Fuse Switches Switches or fuse switches shall be load break, heavy duty, air break having continuous maximum rating type with manual quick make/break mechanism. Mechanical interlock shall be provided to prevent opening of door in switch closed position and prevent closing of switch in door open position. However, it should be possible to defeat this arrangement for testing purpose. Fuses These shall be non-deteriorating HRC cartridge link type with operation indicator which will be visible without removing fuses for the service. These shall be complete with moulded phenol fuse base and cover. Wherever required fuse pullers shall be provided. The fuse base shall be so located in the modules to permit insertion of fuse pullers and removal of fuse links without any problem. Contactors The rating of the power contactors shall be as required depending upon the feeder rating indicated in the specifications and as per the table provided in this specification below. Contactors coils shall be suitable for 240 volts, 50 Hz. unless otherwise specified. All contactors shall be supplied with minimum 2NO + 2NC auxiliary contacts. Additional contacts if required for interlocking etc. shall also be provided. All contactors of motor starters shall be suitable for AC 3 duty unless specified otherwise.

15 Protective Devices Bimetal overload relays with inbuilt single-phase protection shall be provided for all motor feeders. The relays shall be adjustable and self reset type. Heavy-duty starters shall be provided with storable type current transformer operated overload relays only, which shall be suitable for motor starting time of seconds. Any other relays, if required for incoming & outgoing feeders shall be specified in the feeder details. Timers The timers shall be continuously adjustable and electronic type, suitable for 240 V, 50 Hz. supplies. The timers for Star Delta automatic starters shall have time delay of 0 to 60 seconds between changes over of contacts. Push Buttons (PBs) Push buttons shall be complete with actuator and contact block and shall be generally mounted on doors of the cubicles. Colours shall be as follow: Stop/open/emergency Red Start/close Green It should have minimum 1 NO + 1NC contacts. Push buttons shall conform to IP-65 protection against dust and water ingress. Indication Lamps All outgoing & incoming feeders shall be provided with ON indication lamps. Colours shall be as under: Phases: Red, Yellow & Blue ON: Red OFF: Green TRIPPED: Yellow Indication lamps shall be in the form of cluster of high intensity light emitting diodes (LED) to give bright indication. These lamps shall be of 22.5 mm dia and having operating voltage of 240 V, AC. Current Transformers (CTs) CTs shall be cast resin insulated type. Primary and secondary terminals shall be marked indelibly. CTs shall preferably be mounted on stationery parts. These shall be capable of withstanding momentary short circuit and symmetrical short circuit current for 1 second and shall have a minimum rating of 10 VA. Neutral side of CTs shall be earthed. Protection CTs shall be of low reactance, accuracy class 5P and an accuracy limit factor greater than 10. Instrument CTs shall be of accuracy class 1.0" and accuracy limit factor less than 5.0. Separate CTs to be provided for protection and metering purpose. Class of insulation should be E or better Measuring Instruments These shall be of square pattern having approximate dimensions 96 mm x 96 mm, flush mounting type. Necessary auxiliary instruments like CTs, Vats, etc. are also included in the scope of supply. All AC meters shall be of Moving Iron type with accuracy class 1.0 as per IS: Ammeters for motor feeders shall have a non-linear compressed scale at the end to indicate starting current. Voltmeter shall be suitable for direct line connection. Voltmeters shall be connected through fuses only. Since instrument CT s are provided with accuracy class of 1.0 hence meters should also have the same or better accuracy.

16 Load Manager Electronic Type with parameters like power factor, per phase RMS voltages & currents, Frequency, phase sequence, KW, KVA, KVAR, KWH, KVAH, KVARH, Maximum Demands, rising demand etc. The meter should incorporate RS485 port at the back so that meter can be integrated with the existing computer/printer network. Unless specified otherwise ammeters provided for switch fuse/mccb/acb units shall be with rotary selector switches to indicate current in all three phases and those for motors shall be without selector switches to read current in one phase only. All motor feeders above 10 HP shall be provided with ammeter. For all incoming & outgoing switches/mccb/acb of rating 100 Amperes & above ammeter shall be provided. All voltmeters shall be provided with selector switches. Ammeters shall always be CT operated. Supplier to submit GA & power circuit drawing for approval to purchaser before starting manufacturing of MCC For operation of Incoming/Outgoing feeders, electrical grade rubber mats, conforming to latest relevant BIS specifications, of thickness 12.5 mm and width 1200 mm, to be supplied along with MCC suitable for lying in front of entire length of MCC. If MCC is double front type then rubber mats shall be supplied for both sides of the MCC. An automatic power factor correction relay, with arrangement for sensing the power factor of the inductive load and giving signal to power capacitors feeders as per the setting of P.F. and electronic circuit to ensure that once a capacitor gets cut off, it is not put on at least for a minute. The relay should automatically manage capacitor banks. The capacitors must be turned on and off according to the reactive power required to correct the power factor of the load to the power factor set on the relay. The relay should have automatic and manual mode of operation with a LED to indicate the operating mode. The auto/manual function makes it possible to turn the capacitor banks on and off manually regardless of the line value measured. All the major components of an MCC shall be of same "Make". Wherever cable trench is not possible: Incoming Cable entry: TOP Outgoing Cable entry: TOP APFCR and Capacitors bank with ACB/MCCB shall be integrated with MCC having sufficient cooling arrangement. Cooling Fans should be with RITTAL/REXNORD heavy continuous duty fans Incoming Feeder Incoming Feeder shall have: 3 Pole ACB/ MCCB as specified with built-in Load Manager Electronic Type with parameters like power factor, per phase RMS voltages & currents, Frequency, phase sequence, KW, KVA, KVAR, KWH, KVAH, KVARH, Maximum Demands, rising demand etc, with communication portability to SCADA Over Current & Earth Faulty Relays, Voltmeter With Selector Switch,

17 Ammeter with CTs & Selector Switch, Under Voltage Trip Shunt Release, Indicators with LED for Phase Health Indication for all three phases, Trip, ON & OFF. Outgoing Feeders All outgoing feeders including spares shall be provided with standard instruments and the protection relays. Suitable provisions also shall be provided for Control Supply. Temperature rise should be as per IEC All the mentioned breaker ratings should be in-panel rating at the maximum design ambient temperature

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