SPECIAL REPAIR TO DG SET CONTROL PANEL AND REPLACEMENT OF BER COOLING APPLIANCE PHASE II AT HQ SAC U UNDER GE AF TRIVANDRUM

Amount

Supply ,Fix ,Test and commissioning of Auto Synchronization panel indoor type for two 250 KVA DG Sets and ensures automatic changeover between mains power and backup generators during power outages. The panel ensures safe operation and prevent damage to the DG sets and connected loads. Features initive control interface with digital displays for monitoring generator status, load conditions and synchronization parameters. The system design provides real time information and alarms for easy management, trouble shooting and offers modular scalable design, allowing for easy expansion and integration with existing systems. The panel can be customized to meet specific requirements and accommodate future upgrades. The panel should be equipped with following protection systems

DG 250 KVA INCOMER (2 Nos) comparison of following 1) 400A 3P 36kA MCCB TM Release, Type: DN3B-400D, 415V AC, 50Hz - 2 QTYs, Make : L&T or Equivalent specified in list of make 2) Spreader Terminals - 3 Pole (Set of 6) for DN3B/DN3-400 MCCB - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 3) Extended Rotary Handle for DN3B, DN3 MCCB - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of mak 4)AC3: 400A AC1: 425A 3P Power Contactor, Coil: 240V AC, Aux. Contact : 2NO+2NC, Type : MXO22E 5)4A Auxiliary Contactor, Coil: 240V AC, Aux. Contact: 2NO+2NC, Type: MX0 22E - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 6) AC3: 80A AC1: 100A 3P Power Contactor, Coil: 220V AC, Type: MNX 80 - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 7) Red Gen Next Pro LED Indicator 22.5 mm, Voltage: 240V AC - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 8) Yellow Gen Next Pro LED Indicator 22.5 mm, Voltage: 240V AC - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 9) Blue Gen Next Pro LED Indicator 22.5 mm, Voltage: 240V AC - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 10) Red Gen Next Pro LED Indicator 22.5 mm, Voltage: 240V AC - 2 QTYs, Make : L&T/approved make as approved by GE in writing

11) Green Gen Next Pro LED Indicator 22.5 mm, Voltage: 240V AC - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 12) VAF Meter, Parameters: V,I, F, 3Ph, Voltage: 80-300V AC/DC, - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 13) 400/5A 10VA Acc. CL-1 ABS Insulated Current Transformer, - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 14) DC Voltmeter, 1Ph, Range : 200mV - 600V with Built-in Resistance, Accuracy Class : 1, Size : 96X96, Model : AE 82142, - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 15) DC Ammeter, 1Ph, Range : 20mA to 5A Direct, Above 5A: External Shunt 50/60/75mV drop, Accuracy Class : 1, Size : 96x96, Model: AE 80142, - 2 QTYs, Make : L&T or Equivalent or Equivalent specified in list of make 16) 6A 1P 10kA, C-Curve MCB - - 2 QTYs, Make : L&T or Equivalent" or Equivalent specified in list of make

DG Sync Control feeder (2 Nos) comparison of following DG SYNCHRONIZING & PROTECTION RELAY WITH FOLLOWING FUNCTION (a) OVER CURRENT & REVERSE POWER PROTECTION. (b) OVER/UNDER VOLTAGE PROTECTION (c) OVER/UNDER FREQUENCY PROTECTION (d) UNBALANCE LOAD PROTECTION (e) LOW/HIGH BATTERY VOLTAGE PROTECTION (f) EXTERNAL TRIP FUNCTION (g) AMF, AUTO SYNCHRONIZING AUTO LOAD SHARING ACTIVE/REACTIVE & Load The controller panel consistomg of following control accessories (1) 6A 3P 2Way Local - Remote/ Auto-Manual Switch with Center OFF, 60 Deg. Operation,Qty-2 Nos. (2) 6A 4P 2Way Local - Remote/ Auto-Manual Switch with Center OFF, 60 Deg, Qty-2 Nos. (3) Auxiliary relay 24V DC 14PIN, Qty-20 Nos.. (4) 4A Auxiliary Contactor, Coil: 240V AC, Aux. Contact: 2NO+2NC, Qty-2 Nos. (5) 4A Auxiliary Contactor, Coil: 24V DC, Aux. Contact: 2NO+2NC, Qty-6 Nos. (6) 2NO + 2NC Add-on Auxiliary Contact Block Front Mounting for MX0 Aux. Contactors, Qty-4 Nos. (7) DEPENDED START/STOP FUNCTION, Qty-2 Nos. (8) Green Flush Type 22.5mm Momentary Non-illuminated Plastic Push Button, Qty-2 Nos. (9) Red Flush Type 22.5mm Momentary Non-illuminated Plastic Push Button, Qty-2 Nos.

Fabrication details "FABRICATION : 2 mm thick CRCA Sheet PRE TREATMENT: 7 TANK PROCESS PAINTING: POWDER COATED WITH SIEMENS GREY SHED (RAL 7032) TYPE: FREE FLOOR RESTING, FIX TYPE, SINGLE FRONT, COMPARTMENTLISED DESIGN CABLE ENTRY: TOP/BOTTOM (DETACHABLE GLAND PLATE UNDRILLED) Panel size : 1500X400X1500 MM BUSBAR: PH:50X10X1 , N: 25X10X1 (Aluminium) Current Density: 1 Amp/Sq. mm Insulation: Color coded heat shrinkable Sleeves EARTH BUSBAR: 1X100X10mm " Note : Any stores / items further required for the Smooth/satisfactory test & commissioning of DG Set for synchronisation shall included in the schedule and rates for the same shall deemed to be included in the item rate

Taking down unserviceable sub main wiring and M&L for sub main wiring in PVC conduit with two runs of 4 Sq mm and one run of 4 sqmm for earth continuity 1100 v grade PVC insulated unsheathed FRLSH grade copper conductor cable single core multistranded drawn through and including 25 mm dia PVC rigid conduit including accessories such as bends, supports etc all as specified

M& L for AC box modular socket type with MCB SP 20 amps 10 KA operating on 240 volts AC. Make : Havells 25 A DBOXX MCB Socket, DHDMCSN0251025 or Equivalent model in BCH/Gold medal/Schneider/Siemens/Anchor/L&T

Disconnecting all electric connection carefully with safety measures, taking down old Unserviceable AC of any capacity and location fitted on any height from the bldg. and deposit to MES store all as specifeid and directed.

Supply and install testing, commissioning of Split AC with inverter type, Variable speed compressor which adjusts power depending on heat load, convertible / adjustable with 4 cooling modes through remote control to operate in different tonnages for different cooling needs, comprising of indoor unit with dust Filter, Anti-bacterial Filter & outdoor unit with Copper Condenser Coil, single phase 230V, 50Hz complete with cordless remote control unit of high EER rated BLDC compressor, including inter connection cable of suitable size, necessary fixing arrangement complete unit shall be placed at suitable position and height inside the room and outdoor unit at suitable place outside the room on plinth height / on wall or roof as suitable and including voltage stabilizer of suitable capacity, metallic bracket with fixing bolts for outdoor unit, insulated copper piping etc., Refrigerant R410-A/R32 of capacity 2.0 TR (copper type) 5 star rated complete all as specified and directed. Note: 1 Year Comprehensive Warranty on the Product and 10 Years on Compressor (Make : Daikin/Bluestar/Lloyd/Hitachi (5-Star Rated)

Supply and install testing, commissioning of water cooler with water purifier of capacity 40/80 ltr SS 304 tank, water flow rate 200ltr/hrs, Hot, Cold, Normal water, heater capacity 1000watts Energy efficient (Maximum star rating available in market) single door, 240 volts AC including suitable capacity of voltage stabilizer. Make : Crossfield Water Doctor/Usha/Bluestar/Godrej or equivalent.

M&L for Earthing complete by using GI earth plate electrode 60cm × 60cm × 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less 'than 1.5 metres below normal ground level, connected to using GI earth lead of size 4mm dia by means of bolts, nuts, check nuts and washers etc made of galvanised iron and protected by galvanised iron light grade 25 mm bore & 20mm dia galvanised medium grade for watering and including funnel, wire mesh, RCC 1:2:4 cover slab 50 mm thick with re-inforcement of 8 mm TMT bars @ 100mm c/c both directions and PCC chamber with PCC 1:3:6 type C2 including excavation and earth work, disposal of surplus soil to a distance not exceeding 50 m, charcoal, lugs, common salt complete all as specified and as shown on plate No.3 of SSR Part-I .

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 240 sq mm 3.5 core

Excavation in trenches in soft/loose soil not exc. 1.5 metre wide and not exc. 1.5 metre in depth and getting out for taking up / laying under ground electric cable or for pole etc complete all as specified and as directed.

Supply and laying Bricks, sub class 'B' old size bricks, laid flat dry with width of the bricks laid to the axis of the cable all complete as specified and as directed.

Returning and filling in two parts (i) using riddled soil obtain from excavated soil upto depth of 30 cm (8 cm below cable and remaining above cable) for cushioning of cable and (ii) refilling the trench of remaining depth with normal excavated soil all as specified and directed. Note:- Excavated soil shall be riddled by using sieve to separate composite particles etc as per IS 1255 1983 and refilling in trenches as in cable cushioning.

Removing surplus soils to a distance not exceeding 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point all complete as specified and as directed.

Supply and fix energy efficient BLDC exhaust fan with high-performance ventilation, high air suction that helps eliminate humidity & improve air quality. operation on AC single Phase. 230V 50 Hz and size of 300m sweep with, blades, and frame and louvers. Make : Atomburg/Havells/Gold medal/Usha (All ISI Marked 5 Star rated)

M&L for point wiring with 1.5 sqmm single core PVC insulated FRLSH cable 1100 volts grade with multistranded copper conductor drawn in and including PVC conduit and all conduit accessories concealed and including provision of 1.5 sqmm PVC insulated copper cable FRLSH ISI marked as earth continuity conductor fabricated branded Modular metal flush box concealed in walls with Modular suitable plate with cover with suitable screws for housing switches socket outlets fan regulators etc. all as specified and as directed for one exhaust fan point controlled by one one way switch

All as per item No. 14 here in before but for one switch socket outlet 3 pin 5 Amps on independent board

S&F in repair for Switch modular type one way 6 Amps , one module

S&F in repair for Modular socket 2/3 pin multi purpose flush type 2 modular 6 Amps.

S&F in repairs for 20 Amp miniature circuit breaker SP rating 240V, 10KA 'C' in the MCB DB complete with connection testing and commissioning

SUPER COOL (BID ID -3337967)

Archana Transport (BID ID -3339239)

B5BUILDING SOLUTIONS (BID ID -3336188)

Powertech Engineers (BID ID -3338766)