UPGRADATION OF TRANSFORMER AND PROVN OF 01 X 20 KVA GENERATOR SET FOR UNITS UNDER GE 874 EWS, JOB NO i W/LBCW-II/ZANGLI/2025-26 and ii 02/SIALKOT/REVENUE WORK/2025-26

Amount

Supply, installation, commissioning and testing of 20 KVA Liquid (Water) Cooled silent DG Set (CPCB IV + NORMS COMPLIANCE or Latest CPCB Norms) comprising of Liquid Cooled Diesel Engine Model developing minimum 25.5 BHP @1500 RPM suitable for giving an output of 20 KVA after considering derating factor confirming to IS-1601 at 1800m MSL. Alternator rated at Three Phase, 415 Volts, 50 Hz, 0.8 PF @ 1500 RPM both mounted and aligned on a common MS Base frame complete with MS fuel Tank, Manual Control Panel, Residential exhaust silencer, AVM pads fitted on base frame, 01 Nos 12 Volts DC Battery, battery leads, 1st fill of Lub oil all housed, switch gears for automatic starting on main failure, in sound proof acoustic enclosure protected with asbestos rope independently supported from engine to outside power house up to 1 metre, AVM pads foundations as per manufacture design battery start with suitable size of cable for connecting up to panel board. DG Set shall be capable of operating in temperature range (-25* C to + 35*C) fitted with Cold starting kit with and including the following:-

(A) Prime mover Vertical diesel engine of suitable capacity water cooled closed circuit as per BS-649 or IS-10002 direct injection type turbo charged electric starting system having rated speed 1500 RPM. The DG Set shall be capable of running 24hrs continuously with 10% over loading for one hrs continuously in every 12 hrs as per BS -649. Engine shall be equipped with all standard fitting and mounted on common base frame with following fittings. (a) RPM cum hour meter (b) Battery charging Ammeter (c) Ignition key and starting with push button switch (d) Lubricating Oil pressure gauge (e) Electronic governor controlling Oil temo gauge (g) 12/24 Volts starting equipment comprising of the following fittings:- (i)12/24 Volts Battery (ii) Battery charging alternator (iii) Self starting of suitable capacity (iv) Battery leads of copper cable with brass thimbles and terminals. (v) Starting gear engine.

(D) Other fittings (i) Battery charger having electric circuit consisting of triodes, capacitor and resistances etc. The battery charger should be able to charge the battery at all times whenever the electric supply given to battery charger through control panel or electric power point. (ii) In built Fuel tank of suitable capacity as per manufacturers instructions capable for 12 hrs running of DG Set inside the canopy base with all connecting pipes up to fuel pump and including oil level indicating gauge drain air vent plug etc. Note : The rates of this items including the commissioning & testing complete (POL for DG Set testing shall deemed to be included in quoted rate.

M&L for Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of plate not less than 1.5 metre below ground level, connecting to the galvanised earth strip of size 32 mm X 6 mm by means of bolt, nuts, check nuts and washer of galvanised iron and galvanised iron and 32x6mm Gl earth strip protected by provision of galvanised iron pipe medium grade, 40mm bore including provn of concrete pit in PCC 1:2:4, type B-1 (using 20mm graded crushed stone aggregates) with 40mm thick cover of RCC 1:2:4, type B-1 (using 20mm graded crushed aggregates) reinforced with XPM (weight not less than 4 kg/Sqm) and frame of angle iron 40 x 40 x6 mm and with 6mm Dia MS bar handle made to shape, Gl light grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt and charcoal filling, test point made to shape 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt and charcoal test point phosphorous bronze with fixing arrangement, funnel, wire mesh and earth work in hard/ dense soil, returning filling in and removal of surplus soil to a distance not exceeding 50 metre, all as per electrical plate No. 3 of SSR Part-I 2009 and connection to earth test point all as specified and testing on completion all as specified and directed. Notes :- (i) The unit rate includes the cost of excavation & earth work in any type of soil, charcoal and salt in alternate layers, 20mm bore GI Pipe (medium grade) for watering 40mm GI protection pipe (light grade) funnel, wire mesh, lugs, PCC 1:2:4, type B1 chamber in cement concrete 50mm thick precast RCC M-25 (design mix) cover duly reinforced with XPM (weight not less than 3kg/sqm) and CI frame etc and including provision of test point, connecting to test point and testing on completion etc complete all as specified. (ii) The unit rate also include earthing lead and protection pipe up to 7.5mtr from top of earth plate.

Supply and laying, jointing and testing XLPE insulated armoured heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross section area 50 Sqmm 3.5 core complete laid in trenches, ducts or fix to pipe, on walls, poles complete all as specified and directed. Note :- Earth work shall be measured and paid for separately.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation, laying of cables/pipes/poles etc., and getting out in any type of soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding of 25 cm thick in any type of soil complete all as specified and directed.

Removal of surplus soil as obtained from excavation to a distance not exc. 50 Mtr and depositing where directed at a level not exc. 1.5 Mtr above the starting point complete all as specified and directed.

Supply and laying dry river sand for cable cushioning in trenches to required width at bottom and top of cable including spreading levelling watering and consolidation complete all as specified and directed by Engineer-in-charge. Note :- Punned thickness only shall be measured and paid.

Supply and laying old size brick covering with width equal to length of brick as the mechanical protection to cable with well burnt sub class 'B' laid in trenches flat complete all as specified and directed by Engineer-in-charge.

S&F 80mm bore, GI tubing light grade (ISI marked) with fittings laid in trenches or on pole, fixed to wall or ceiling or floor for protection of cables with MS clamps complete all as specified & directed by Engr-in-Charge.

Supply, installing, testing and commissioning, factory made and tested (prototype having been CPRI type test certified), LT Panel, platform mounted, suitable for 415 Volts, 3 phase 4 wire, 50 Hz AC supply system, having bus bar chamber with insulated copper bus bars of Amps rating installed on porcelain insulators. The panel shall be dust and vermin proof, IP 65 class protection and made of 3.15 mm CRCA MS sheet and 40x40x6mm thick angle iron frame work, externally powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, front opening type, with aprons for cable entry, with double door shutter and locking arrangement (including proven of 65mm Godrej (Freedom) lock with 2 keys, internal wiring 2.5 Sqmm with PVC insulated, solid copper conductor, FRLS cables, IS-694 marked of adequate size including the provision of space to accommodate the under mentioned items. The scope of work also includes the following:-

(a) Incoming (i) MCCB 4 pole, 415 Volts AC grade, 63 Amps rating and 36 KA rupturing capacity- 01 No (ii) Voltmeter 0-500 Volts, square, 144 mm, digital type, - 01 No (iii) Ammeter size 144mm, square dial, digital type, - 01 No (iv) LED Indicating lamps : 01 set of three (v) Secure 3 Phase, 1 Element, 4 Wire 440 Volts Digital Power Factor Meter - 01 No (vi) Change over 63 Amps 4 Pole : 01 No (vii) Current & Potential Transformer as per manufacturer design : 01 No (b) Outgoing (i) MCCB 4 pole, 415 Volts AC grade, 40 Amps rating and 25 KA rupturing capacity - 02 Nos. (c) Platform for the panel with PCC 1:4:8, type D-2 (using 40mm graded crushed stone aggregate), 15 cm thick in foundation, brick work in cement mortar 1:6 with sub class `B', old size bricks, rendering 15mm thick in cement mortar 1:6 on exposed surfaces and 100mm thick PCC padding 1:3:6, type C-1 (using 20 mm graded crushed stone aggregate) on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45cm above the nearest road level.

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out hard and dense soil, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm complete all as specified and directed.

M&L for plan cement concrete 1:3:6, type C-2 (using 40mm graded stone aggregate) in foundations, filling and mass concrete complete all as specified and directed.

M&L Second class soft-wood in scantlings in any position complete all as specified and directed.

S&F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

Supply, installing, testing and commissioning outdoor type, step down transformer, 11 KV/433, (at full load) AC 3 Phase 50 HZ, 400 KVA capacity core type, double copper wound, oil immersed, naturally cooled, oil natural (ON AN) with external coolig tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with netural brought out on secondary side (LV) in and having taping at + 2.5% & +5% on HV side to be charged by means of hands operated off load tap changer gear. The maximum temperature rise shall not exceed 45 degree celsius in oil and 55 degree celsius in HV/LV winding when mesurement by resistence method after continuous full load run on an ambinet temp of 40 degree celsius. The transformer shall be IS : 1180 (Part-I) : 2014 with maximum total loses as per energy efficiency level 2 of IS : 1180 (Part-I) : 2014 and shall comprise of the following: - (a) outdoor type HT porcelain bushing with insulator on primary side including all accessories as required. (b) One cable box on LV side (Secondary side) consisting of four Nos porcelain bushing with copper rods, complete with nuts and washers, with two Nos cable glands suitable for reception/taking out of XLPE insulated heavy duty armoured cables including glands, joints and jointing materials complete.

(c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill dehydrating agent (silca gel). (e) Explosive vent. (f) Thermometer pocket on tank cover. (g) One No 100mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree Celsius with metal guard having maximum perimeter reading temperature indicator with resisting device for transformer. (h) Two earthing terminals on tank to facilitate fixing of 02 Nos 32x6mm galvanized iron earth strip for earthing of body and 02 Nos 32x6mm galvanized iron earth strip for earthing of neutral. (j) Rating plate and terminal marking plate. (k) Oil level gauge (l) Oil drain filter valve (m) Lifting lugs. (n) Oil filling hole with cap/plug with connecting plate complete. (o) Air release valve vent with plug. (p) Four plain solid cast steel detachable rollers. (q) First filling of new and unused transformer oil IS-335/93 (Fourth revision) marked filtered and tested upto 50 KV dielectric strength at 2.5mm air gap between testing electrodes. Accessories as per IS-1180 (Part-I) : 2014. (r) Busbar trunking of suitable size at LV side with complete fixing arrangement and incl insulators for connection of multiple outgoing cable at LV side. (s) The transformer shall be pole mounted. NOTE:- Certificate of di electric strength of transformer oil shall be submitted by contractor.

S&F Cable Jointing Kit for 11 KV (Earthed) Grade cable for Outdoor termination, Heat shrink type, joint complete with jointing material and accessories suitable for 3 Core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified and directed.

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 95 sq mm 3.5 core complete all as specified and directed.

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 70 sq mm 3.5 core complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 Volts grade, of size 3 core 95 sq mm. complete all as specified and directed.

Supply, assembly, erection, testing and commissioning of Electrical panel cubical outdoor type powder coated with 8/7 tank process suitable for operation on 3-phase + N + E, 415 Volts, 50 Hz, AC with internal arc containment, internally pre-wired with copper conductor factory fabricated as per CPRI approved make specified in CA, floor mounted free standing made out of 3.15mm thick CRCA sheet, and shall be compartmentalised with rubber gasketed hinged door having front and rear opening for installation of separate cable alleys, bus bar chamber and switch gear compartments, dust and vermin proof duly powder coated with aluminium bus bars 1000 Amps capacity for phases and neutral, set of three LED indicating lamps with base, air ventilation to be provided for heat dissipation, suitable sized knock out holes for cable glands shall be provided, with and including provision of the following switch gears, including suitable size of necessary PCC 1:3:6, type C2 as in foundation all as specified and as directed by Engr-in-Charge. (a) Aluminium Bus bar 1000 Amps capacity TPN, full for phase and neutral with colour code PVC sleeves. - 01 Job (b) LED RYB indicating lamps - 01 set (c) LED Ammeter and voltmeter with necessary CTs and display of required rating. (d) MCCB 630Amp, 50KA TPN, 415 Volts 1 Nos (Incomer) (e) MCCB 250Amp, 35KA TPN, 415 Volts 03 Nos (Out going) (e) MCCB 160Amp, 25KA TPN, 415 Volts - 02 Nos (Out going) (f) Panel wiring with PVC Insulated un sheathed single core, 1100 Volts grade cable with copper conductor, multi stranded of suitable size. - 01 Job (g) Interconnection of busbar with MCCB,, contactor with suitable size aluminium strip - 01 Job (h) Provisioning of cable glands and cable lugs for all incoming and out going cables & connecting the earthing to an earthing test point to main switch board as specified and testing on completion complete all as specified & directed by Engr-in-Charge. - 1 Job

Supply and fix Voltage stabilizer for automatic operation, three phase, naturally oil cooled, indoor type & designed for input variation between 340 Volts to 460 Volts with output voltage stabilized at 415 Volts with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 400 KVA complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm complete all as specified and as directed.

M/S MARVEL ELECTRICALS (BID ID -3390643)

m/s mohd saleem and co (BID ID -3391161)

M/s Manmeet Builders (BID ID -3391282)

Electromech Engineers (BID ID -3396501)

M/S SMA and SONS CONSTRUCTIONS (BID ID -3390651)