SPECIAL REPAIR OF LOW VOLTAGE PANELS AND FEEDER PILLARS INSTALLED IN VARIOUS LOCATIONS AND SPECIAL REPAIR OF DETERIORATED LIGHTNING PROTECTION SYSTEM OF BLDG IN MOORA AND DEPOT AT MO (MB) GHATKOPAR UNDER GE (NW) BHANDUP

B. Low Voltage panels for all IP 55/IP54 Outdoor/Indoor type IEC 60947 PTTA 1. Supply, installation, testing & commissioning of floor mounting front operated front access cubicle type, totally enclosed, dust and vermin proof with IP-55/IP 54 protection with hinged and lockable doors & All Panels will be type tested assembly as per IEC 60439 2.Switchboards fabricated from 2 mm thick GI sheets including interconnections, tinned copper crimping lugs, bonding to earth and painting suitable for use at 415 V, 3 phase 4 wire 50 Hertz system, and suitable for a fault level of as indicated in SLD/BOQ symmetrical at 415 V complete as per specifications, as required and as below 3. All switchboards shall have provision for entry of cables from the top/bottom as required. All live accessible parts shall be shrouded and all equipment shall be finger touch proof. 4. The bus bars insulation shall be with heat shrinkable sleeves. SMC/DMC/PU shrouds and busbar supports shall be used. 5.LV Switchboard which had been type-tested by an acceptable, multi fold design. 6. The board shall be dust free, vermin proof and totally enclosed with Degree of protection of IP 55/ IP 54 outdoor/Indoor type with suitable cable/busbar alleys. 7.Standard and codes updated and current Indian standard specification and code of practice shall apply to the equipment and the work covered by the scope of this contract, the switchboard shall be form 3b. 8.Busbars shall be of rectangular section hard drawn high conductivity Copper busbar connections shall be constructed in accordance with the requirements of latest code of IS/IEC standards, Low voltage switchgear & control assemblies 9.All main busbars are continuous duty 415V AC, 3 Phase copper (Throughout the length) busbars with colour coded heat shrink sleeves supported with same rating as incomer breaker, Busbar capacity is same as incomer capacity. 10. Doors and covers should be powder coated and should have polyurethane gasket 11. Panels to be ordered only after approval of general arrangement drawings from authority. 12. All PTTA panels shall be manufactured by the same OEM or authorized franchise that supplies the TTA OEM panels, to ensure compatibility and standardization

C.AIR CIRCUIT BREAKER (ACB) SHALL BE AS UNDER 1. ACB shall comply with standards IS/IEC 60947-1 & 2. 2. ACB shall have an operational voltage of 690V AC, rated insulation voltage of 1000 volts AC, rated for impulse voltage of 12kV. 3. ACB shall be of 3pole or 4pole (as per BOQ). In case of TPN mentioned in BOQ, it shall be TP with solid link in neutral. 4. ACBs shall be offered in frame sizes that are optimum for optimum panel dimensions. Thus, ACBs upto 2500A shall be offered in frame 1, 3200A to 4000A in frame 2 and 5000A to 6300A in frame 3. 5. ACB shall comply with the environmental directives like RoHS. Product Environmental Profile shall be furnished to understand the environmental impact. 6. ACB shall have the breaking performance Icu = Ics = Icw (1sec) 7. ACBs shall be colour coded and shall be identifiable for different breaking capacities based on the colour code used.8. ACBs shall have provision for terminal separator by construction.9. It shall NOT be possible to rack out the ACB in ON condition and suitable racking handle shutter interlock with padlock arrangement shall be provided to ensure the safety of User and to avoid accidents.10. All air circuit breaker shall be fully tropicalized as standard & suitable for terminating copper bus bars.11.ACBs shall be provided with terminal adapters for proper cable connections/bus duct connections. Terminal Adaptor orientation for top and bottom side shall be possible to be changed from vertical to horizontal or vice versa on site as per cable/bus duct entry. 12.Air circuit breaker shall be provided with electronic protection unit, with trip units shall have led Matrix/ LCD display with current measurement 13. The circuit breaker control unit shall measure the true r.m.s value of the current 14. All trip units provided shall have switchable thermal memory as standard.

15. The Inbuilt protection release shall have following protections as standard: - a. Long time delay protection against overloads Ir from 0.2 to 1 x In (Step 1A) – OFF b. Long delay protection operation time tr = 40 ms ÷ 30 s c. Short time delay protection against short circuits Isd from 1,5Ir to 10 Ir – OFF d. Short time delay protection operation time (t=k, I2t=k) tsd = 40 ms ÷ 1 s e. Instantaneous protection against very high short circuits li from 2 to 15 In - OFF f. Earth fault current Ig from 0.2 ÷ 1In – OFF g. Time delay on earth fault tripping (t=k, I2t=k) tg from 80 ms ÷ 1s h. Neutral protection IN = 50% - 100% - 150% - 200% - OFF i. Overtemperature protection – an alarm shall be generated for temperature exceeding 75 °C and ACB shall trip for temperatures exceeding 95 °C inside the circuit breaker. 16. All trip units shall have digital trip counter and shall offer ready summary of the no. of trips on account of individual faults. 17. The trip unit shall be communication capable and shall be possible to upgrade for connectivity over Modbus without changing the trip unit in future. 18. The trip unit shall have integral test button on front to test operation and the opening of the poles to verify the healthiness. 19. It shall be possible to monitor the status of the breaker, read information (firmware versions, device version, alarms, measurements, parameters, fault history), view the trip curve characteristics, generate reports based on the data stored and read by the protection unit by way of a manufacturer provided software. The connectivity shall be easily established by way of the micro-USB port. 20. Make: Legrand DMX, Schneider NW, Siemens 3WA

D. MOULDED CASE CIRCUIT BREAKERS (MCCB) SHALL BE AS UNDER 1. MCCBs shall be compliant with IEC 60947-2. 2. MCCB shall have a operational voltage (Ue) of 550V, insulation voltage (Ui) of 800 V (AC 50/60 Hz) & impulse voltage (Uimp) of not less than 8kV. 3. The MCCBs shall have Ics= 100%Icu at operational voltage specified. 4. MCCBs shall be current limiting type with load line reversibility. 5. MCCBs shall be actuated by a rotary-handle that clearly indicates the three distinctive positions: ON, OFF and TRIPPED. MCCB shall clearly indicate the suitability for isolation in the name plate identified by the symbol. 6. All MCCBs above shall have electronic trip units with following settings ranges.a. Adjustable overload current (Ir) settings from 40% to 100% of rating of ACB (In). Overload time setting (tr) from 5-20s upto 250A and 5-30s above 250A as field selectable curves.b. Short circuit setting (Isd) from 1.5 to 10 times of Ir setting, short circuit time delay adjustable from 0.01 to 0.5sec c. All MCCBs should Inbuilt Earth fault relay with setting adjustable from 20% to 100% In with time delay settings from 0.1 to 1s. In case of an unbalanced system, a 4 Pole MCCB shall be provided. Neutral CT shall be integrated in the 4th Pole of the MCCB.d. Neutral Protection and isolation in case required shall be offered by a 4 Pole MCCB with settings OFF-50% and 100%. Neutral CT shall be integrated in the 4th Pole of the MCCB.e. Over temperature pre-alarm at T > 90° C, Overload pre-alarm indication at I > 0.9 Ir & Overload Indication at I > 1.05 Ir shall be available on MCCBs front.7. MCCBs supplied with self-powered electronic based trip unit and shall be equipped with switchable thermal memory.8. The settings shall be possible to access even after mounting of rotary handle. 9. Make: Schneider NSX , Legrand , Siemens 3VA

E. DIGITAL MULTIFUNCTION METER SHALL BE AS UNDER 1. All Digital multifunction meter with Bright LED display to view more than 25 parameters. VLL, VLN, A (Avg. & Phase Wise), F, Power: W, PF, VA (Avg. & Phase Wise) Energy: Wh, Positive energy accumulation even with CT polarity reversal with reverse lock programmable, High Accuracy with class 1 along with Suitable 10 VA Burden CL 1 accuracy CTs 2. Make: Schneider, Legrand, Siemens

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Samagri Bhavan - Under Staircase - IP 54 outdoor type IEC 60947 PTTA Incomer: 250A 4p 36KA TMD type MCCB - 1 No Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 160A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 125A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 100A 4p 25KA TMD type MCCB with Extended ROH - 4 Nos 63 A 4p 25KA TMD type MCCB with Extended ROH - 4 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Near B02 Store House Panel B Road RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 630A 4p 36KA microprocessor LSIG MCCB - 1 No : 1 Nos Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 400A 4p 36KA microprocessor LSI MCCB - 1 No : 1 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 6 Nos 63A DP MCB, 10KA "C" Curve - 4 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993.Near B03 Store House Panel B Road RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 630A 4p 36KA microprocessor LSIG MCCB - 1 No : 1 Nos Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 400A 4p 36KA microprocessor LSI MCCB - 1 No 200A 4p 25KA TMD type MCCB with Extended ROH - 2 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 8 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Near B19 Store House Panel RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 200A 4P Manual Changeover (Socomac/ASCO): 1 No 200A 4p 25KA microprocessor type LSIg MCCB: 1 No Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 160A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 100A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 6 Nos