WBPWD/EE/KNHED/NIQ-86/20-21

Amount

Supply , delivery at site on foundation , commissioning of 320KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-II approved Engine & Acoustic Enclosure having following specifications :- Engine:- Make : CUMMINS/Caterpillar/Volvo Penta/Perkins/MTU Engine Type : 4 Stroke Diesel Engine RPM : 1500 Rated Output : 382 BHP or Higher Duty : PRIME Cooling : Water cooled with radiator Cylinder : 6 Aspiration : Turbo Charged Type of Governor : Electronic Fuel Tank Capacity : Minimum capacity 400 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 55 Ltr./ Hr. or Less Fuel Consumption at 100% rated Load with Radiator or Fan : 71 Ltr./ Hr. or Less Overload Capacity : 10% overload for one hour for every 12 hours continuous running at full load or better Engine instrument Panel : Consisting of starting switch with Key, Lube Oil Indicator, water temperature Indicator, RPM indicator and hour meter. Safety Controls : Emergency Stop, Low Lube Oil Pressure warning/ Shutdown, High Engine Water Temp. warning/ Shutdown, Sensor failure Indicator, Engine over speed indicator, Battery charging and low battery indicator Exhaust Silencer : Residential Type

Starting system : 12V./ 24 V. starting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard. Battery : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning Alternator Make : Stamford/ Leroy Somer Rating : 415 V., 3Ph. 50 Hz., 320 KVA, 1500 rpm Type : Brushless, self excited and self regulated Insulation : Class H Protection : screen-protected drip proof with Min.IP-23 degree of protection RPM : 1500 Voltage Regulation (max) : ±1% Winding connection : Star with Neutral

Total Distortion factor : Less than 3% Total Harmonic distortion in output waveform : < 5% 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 320 KVA DG set having following specification/features. i) 415V, 800 A, 50KA, EDO type ACB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. [make: ABB, Legrand, Schneider, L&T] - 2 Sets ii) In Built By-Pass switch for rated capacity iii) On -delay timer for load change over iv) On-delay timer for engine shut off v) Engine On-Off switch (Push button type)

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. Acoustic Enclosure

The DG set should have integrated acoustic enclosure at the manufacturing state itself. High quality acoustic enclosure must be certified as per CPCB-II norms. Base Frame Common iron channel fabricated base frame containing the engine and alternator, mounted on AVM pads and having provision for lifting Hook.

Supply & Laying of 1.1 KV grade 4 core 240 sqmm XLPE Al, Ar. cable in an underground trench in single tier formation (horizontal), the trench size : 680 mm x 760 mm average depth, with brick protection on the top of each cable 8 (eight) Nos. bricks per Mtr. and 4 (four) Nos. bricks per Mtr. as separator between the bricks and cables and also trench to be filled up with shifted soil, levelling up and restoring surface duly rammed. (make- Havells/polycab/ Gloster/Finolex)

Supply & Laying of 1.1 KV grade 1R × 4 core 185 sqmm in an XLPE Al, Ar. cable underground trench in single tier formation (horizontal), the trench size : 680 mm x 760 mm average depth, with brick protection on the top of each cable 8 (eight) Nos. bricks per Mtr. and 4 (four) Nos. bricks per Mtr. as separator between the bricks and cables and also trench to be filled up with shifted soil, levelling up and restoring surface duly rammed. (make- Havells/polycab/ Gloster/Finolex)

Supply and Installation of Floor Mounting Cubical LT Breaker Panel with 415V, 630 A, 50KA, EDO type ACB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. [make: ABB, Legrand, Schneider, L&T ] - 1 Sets, 50 kA as incommer, 800 Amp TPN Al Busbar, 2 Nos 315 Amp 4P MCCB, 36 kA, 2 Nos 250 Amp 4P MCCB, 36 kA as outgoing feeders. Incoming fedeer should have 0.5 class accuracy CT & MF Meter and three colour LED indicator.The entire unit is covered in 2mm thick MS Enclosure with 3 mm thick gland plate suitable for indoor installation. And the panel should have suitable size cable alley with suitable size 4P terminals. MCCB and the terminals are connected with suitable capacity bus-bar on Copper flexible wire. The panel should have IP 54 degree of protection. The Incoming cable will have bottom entry arrangement. Agency should provide CPRI test certificate and approved the GA drawing from EIC.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables. [F4/7(c)] a) 4core X 240 sq.mm.

b) 4 core X 185 sq. mm.

Finishing of the XLPE/PVC insulated armoured cable ends by crimping method with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc. [F-5/8.(b)] a) 4 core X 240 sqmm

b) 4 core X 185 sqmm

INSTALLATION WORK: S&F MS angle iron structure made of (80x80x6)mm / (50x50x6)mm MS angle to support 350mm/250mm/150mm dia MS pipe & Fuel tank support for630KVA DG set Incl painting as per GS.

Supply and Installation of exhaust pipe line connection with MS black pipe 250mm (10”) dia ISI approved, necessary nuts, bolts, washer, gasket incl. electrical welding where necessary. (For 320 KVA)

S&F250mm dia MS heavy type long bend

S&F 250mm dia MS heavy type 'T'

S&F 250mm dia MS plug.

Painting the 250 dia MS black pipe by Aluminum paint of two coat over the RO primer. Approved make.

Wrapping the 250 mm Exhaust pipe line with Al. sheet high quality with necessary wire mesh & 50mm thick glass wool. as per direction of EIC.

S&F rain protection canopy for 250mm Exhaust pipe.

Hire charges for scaffolding by bamboo required rope of square type arrangement for smooth working & carriage of MS black pipe by vertical run & dismantling at the end of work.

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 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 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 masonry 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 mortar (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

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 with GI bolts, nuts, washers, spacing insulators etc. as required

S&D of HSD for testing & immediate run of DG set. Incl carrying charge

Supply and laying of 12core 2.5sqmm copper Armoured control cable,after cutting floor/pavent/wall/and making holes incl. Embedding the cable at an average depth as 75mm and mending good the damages to original finish incl. Removing the rubbish

Supply and laying of 2core 6sqmm copper Armoured control cable, after cutting floor/pavent/wall/and making holes incl. Embedding the cable at an average depth as 75mm and mending good the damages to original finish incl. Removing the rubbish

Supply & Laying of single core 240Sqmm Copper Aurmoured cable, (Havells/Gloster/Polycab) after cutting floor/pavement/wall/ and making holes incl., embedding the cable at an average depth as 100mm and mending good the damages to original finish incl. removing the rubbish.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture proof entry of XLPE/PVC armoured cable as below. (a) Single core 240 Sqmm Armoured cable

(b) 12 core 2.5Sqmm Armoured cable

(c) 2 core 6Sqmm Armoured cable

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying dowells make sockets, tapes. (a) Single core 240 Sqmm copper wire by dowels make heavy duty long barrel Copper socket.

(b) 12 core 2.5Sqmm Armoured cable

(c) 2 core 6Sqmm Armoured cable

(d) S&F 2 Kg capacity ABC type Gas pressure (DCP) fire extinguisher on wall by suitable size of iron bracket (Make - Fire Shield)

(e) S&F 9 ltr. Capacity round fire bucket with iron hook and duly filled up by sand.

Foundation of DG Set P -284, item no.12.01 of P.W.(R) SoR Vol-III w. e. f. 30.08.2018 Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge I. In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. a) upto 3 m depth (ii) With pumping out water excluding shoring. For Mechine Foundation ( 7.50 x 4.2 x 0.700)

P -014, item no. 01. of P.W.BUILDING. SOR . Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. For Mechine Foundation ( 7.50 x 4.2 x 0.700)

P -286, item no.12.04 of P.W.(R) SoR Vol-III w. e. f. 30.08.2018 Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge. Compaction factor of dry clean sand is 0.835; Suitable correction should be made for bulkage of sand. For Mechine Foundation

Rfe:- page-24 Items-4. of PWD SOR Vol-I w. e. f. 1.11.2017 Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety. For Mechine Foundation

Ref:- P -332. item no.18.05. of P.W.(R) SoR Vol-III w. e. f. 30.08.2018. Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, cross-drain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. (b) Where staging is not required.

P -285, item no. 12.02. of P.W.(R) SoR Vol-III w. e. f. 30.08.2018 Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation or from fresh excavation of land arranged by Department within a lead of 150 m. 1/5 th of Excavation

Rfe:- page-189. Items-01. of PWD SOR Vol-I w. e. f. 1.11.2017 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] (a) With 1:4 Cement mortar (b) 20 mm. thick plaster.

Rfe:- page-192, Items-015.of PWD SOR Vol-I w. e. f. 1.11.2017 Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Terms & Conditions (i) Rate should be quoted inclusive of all applicable taxes and Duty etc. (ii) 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. (iii) Necessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment . (iv) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competent Authority (As per CPCB-II). (v) Circuit Diagram for AMF Panel must be submitted from the Manufacturer/OEM. (vi) 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.

(Rate should be quotated including all taxes and duties)

C. CHOWDHURY AND CO

NARAYAN CHANDRA DAS