WBPWD/EE/CED/e-NIQ-09/2025-26

Amount

DG SET Supply, Installation, Testing & Commissioning of 3 phase, 415V, 50 HZ, 200 KVA ( ISO 8528) Silent Diesel Generator Set incl. full tank HSD oil comprising of Engine, Alternator, AMF panel, Base frame, Fuel tank, Battery, CPCB-IV+ approved, acoustic enclosure incl all interconnection between Generator and AMF panel etc having following specification: Engine (a) Make- : KOEL GREEN /CUMMINS/Volvo (b)Aspiration- Turbo Charged. (c) No of Stroke- 4 (d) RPM- 1500 (e) Rating of DG set - 200 KVA (f) Battery- 24 volt 130AH DC with connecting leads & terminals. Make: Exide/ Amaron.

(g) Type of Cooling- Liquid Cooled (h) Air Intake System- Air intake manifold with air filter system. (i) Exhaust System- Residential exhaust silencer with flexible bellow and companion flanges inside the acoustic enclosure. (j) Coupling & Fly Wheels- Befitting coupling, Fly wheel & Fly wheel housing. (k) Lubricating System- Provided with Oil pan, engine mounted lube oil pump and lube oil filter along with first fill of lube oil. (l) Fuel System- Comprising of fuel pump with Electronic Governor, 12V solenoid coil and replaceable fuel filter. (m) Starting System- 12 V DC electric starter and 24V Battery charging alternator.

(n) Safety Control- Comprising of protection against low lube oil pressure trip, high coolant temperature trip & Emergency stop switch. Engine over speed indicator, Battery charging and low battery indicator (o) Power Start Control: (i) Provided with Microprocessor based generator set monitoring & control system mounted in the Genset Control Panel. (ii) LED Lamp indication for GENSET RUNNING REMOTE START, SHUT DOWN, (iii) Data Log includes Engine run time & Controller on time. (iv) Engine Data Display Arrangement - Starting Battery Voltage, Engine Running Hour, Engine Temperature & engine oil pressure. (p) Lub oil consumption- Should be < 0.5% of Specific Fuel Consumption. (q) Fuel Consumption at 75 % full Load 35.12 ltrs or less per hour. (r) Fuel Consumption at 100 % full Load 46.1 ltrs or less per hour.

Alternator : (a) Make : KOEL GREEN /Stamford/ Leroy Somer (b) Rating: 200 KVA 415 V., 3Ph. 50 Hz. 1500 RPM with Class - H Insulation. (c) Type of Alternator: Brushless, self excited & self-regulated through (d) Voltage Regulation: ± 1% (max.) (e) Overload: Permissible overload of 10% for 1 hour in 12 hours of operation, (f) Protection: IP - 23 protections . (g) Winding connection : Star with Neutral (h) Total Harmonic Distortion : less than 3 % BASE FRAME: Common MS Channel fabricated base frame, primer coated & painted, containing the engine and the alternator mounted through AVM Pads.

AMF Panel Cubical type floor mounted AMF panel made from 14 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 200 KVA DG set having following specification/features. i) 2 No. 320 A AC3 duty, 4pole power contactor and U/V release etc. [make: Legrand/ SIEMENS/Schneider/ABB] ii) 2 Nos. 320 A, 4 pole, 50 KA MCCB with microprosser based LSIG protection. [make: Legrand/ SIEMENS /Schneider/ABB] iii) In Built By-Pass switch for rated capacity iv) On -delay timer for load change over v) On-delay timer for engine shut off vi) Engine On-Off switch (Push button type)

xi) Microprocessor based relay with composite meter for digital display of following. Generator voltage/AC Mains voltage. Generator Current in all phases Frequency Power Factor Energy Indication for alternator supply Running time indications number of hours of operation and service intervals, service due indications The AMF panel must be designed to ensure trouble free performance and ensure switching over Electrical Load to DG within 15 (fifteen) second from the instant of mains failure.

Fuel Tank: 460 LTRS, detachable tank built inside base frame complete with drain valve, air vent inlet & outlet connections, fuel gauge filled with full HSD oil. Acoustic Enclosure: High quality, sound proof, weatherproof, environment friendly Acoustic Enclosure fabricated from 16 SWG Sheet Steel & powder coated, specially design to meet up CPCB - IV+ standards to maintain the noise level below 75dB (A) at a distance of 1 Meter from acoustic enclosure under free field condition. NOTE: - i) Efficiency not less than 90%. ii) Warranty 2 Years or 5000 hours whichever is earlier.(including freight charge) Base Frame :- Common iron channel fabricated base frame containing the engine and alternator, mounted on AVM pads and having provision for lifting Hook.

Terms & Conditions :- (i) All materials, equipments & accessories must conform to relevant IS specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer. (ii) Necessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment. (iii) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competent Authority (As per CPCB-IV). (iv) Circuit Diagram for AMF Panel must be submitted from the Manufacturer/ OEM. (v) The entire set must be warranted at least 15 months from the date of Delivery/12 months/ 5000 Hrs from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years/5000 Hrs, whichever is earlier.

Power Cable: Supply & Delivery of 1.1 KV grade, XLPE insulated & Sheathed, multi stranded, armoured, 4 core 240 sq. mm. Al conductor cable. [Make- Havells / Polycab/ Gloster / RR Kabel] DG to AMF

Laying of one No. cable of 4 Core 240 Sq. mm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed

Laying of cable of 4 Core 240 Sq. mm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting

Supplying and fixing compression type gland as to GS for the following cables:

a) 4 core 240 Sqmm

Finishing of cable end by crimping method as to GS for the following cables:

4 core 240 Sqmm

Earthing System: Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

Extra for treatment of soil by using salt and charcoal for earth electrod .

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 65 mm x 8 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete withGI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

S&F black colour heat shrinkable PVC sleeve for 50mm x 6mm GI Flat.

CONTROL CABLE: Supply & Delivery of 1.1 KV grade, XLPE insulated & Sheathed, multi stranded, armoured, 10 core 2.5 Sq. mm Copper Aurmoured control cable[Make- Havells / Polycab/ Gloster / RR Kabel]

Laying of one No. cable of 10 Core 2.5 Sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed

Laying of cable of 10 core 2.5 sqmm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting

Foundation of DG Set: Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75m. As directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out wateras required complete. (a) Depth of excavation not exceeding 1500mm.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or infoundation or in foundation trenches.

(A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) (B) Do - by fine sand

(I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (A) [Pakur Variety] (a) 1:3:6 proportion

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in first floor as per relevant IS codes. a) Pakur Variety

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. In 1st. Floor

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (i) Tor steel/Mild Steel I. SAIL/ TATA/RINL (i) 1st. floor

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar (b) 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

M.S.or W.I. Ornamental grill of approved design joints confnuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. Gril weight above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr.

Shed Work: Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150 grams per sq. metre (followed by colour coated on both side) steel sheet work having minimum yield strength of 550 Mpa of trapizoidal profile of approved make (excluding the supporting frame work) fitted and fixed with 55 mm & 25 mm self tapping screw, EPDM Washer 16 mm dia & 3 mm th. washer etc. complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be made on area of finished work).

(i) In Roof:- a) With 0.5 mm thick sheet

M.S. structural works with 60x60x3 hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete.

i) For roof truss works a) Span up to 12 Mtr

(a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

(B) Painting with superior quality aluminium paint of approved make and brand including smoothening surface by sand papering etc. on steel surface : (b) Two coats

S& delivery of 50 ltrs. Capacity heavy gauge MS sheet barrel with MS angle made support stand.

Supplying and fixing 415V, 320A TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc (Make-L&T/Seimens/Schneider)

Note1:Rate Should be Quoted with inclusive of all taxes, duties, cess as applicable.

NIHAR RANJAN SAHA (BID ID -6652914)

M/S TIRUPATI ELECTRICALS (BID ID -6689469)