WBPWD/SEWEC/AED /NIQ-183/2018-19

Amount

Supply , delivery at site on foundation , commissioning of 62.5 -KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-II approved Engin & Acoustic Enclosure having following specifications :-

ENGINE

Make : Cummins(Jakson)/Greaves/Kirloskar/Ashok Leyland

Engine Type : 4 Stroke Diesel Engine

Rated Output : 80 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 4

Aspiration : Turbo Charged

Type of Governer : Electronic

Fuel Tank Capacity : Minimum capacity 150 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 12 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 16 Ltr./ Hr. or Less

Overload Capacity : 10% overload for one hour for every 12 hours continious 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 overspeed indicator, Battery charging and low battery indicator

Exhaust Silencer : Residential Type

Starting system : 12V. 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/Crompton Greaves /Kirloskar/ Ashok Ley Power

Rating : 415 V., 3Ph. 50 Hz., 62.5 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

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 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 62.5 KVA DG set having following specification/features.

i) 125A 36KA MCCB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. - 2Sets

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)

vii) Minimum five number indicating lamps to indicate 'mains ON', 'load on mains', Set running', 'load on set' and 'battery charger on'.

viii) Audio visual alarm for 'Low lubricating oil pressure', 'High water temperature, Start failure', and DG over load'.

x) 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.

ACOUSTIC ENCLOSURE

The DG set should have integrated acoustic enclosure at the manufacturing state itself. High quality acoustict 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.

TERMS & CONDITIONS

(i) Rate should be quoted inclusive of all applicable taxes and Duty etc.

(ii) All materials, equipments & accessories must conform to relavent IS /IEC specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

(iii) Nacessary manufacturer's test certificate for Desiel Engin, 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 competant Authority (As per CPCB-II).

(v) Circuit Diagram for AMF Panel must be submited from the Manufacturer/OEM.

(vi) The entire set must be warranted atleast 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.

Part: B-- Installation of DG set

Supply, transporation & pouring of HSD Oil.

Supply, transporation & pouring of Mobil.

S & F exhaust pipe of 150 mm. dia MS black pipe (Thickness 4 mm) including connection with the existing silencer attached with the fexible coupler and S&F flange, nuts, bolts & washers etc. & necessary fixing materials etc. as required from DG set to nearest building (Vertical Run) with suitable high temperature painting.

S&F exhaust pipe of 100 mm. black pipe (thickness 4 mm.) including S&F flange, nuts, bolts & washers etc. as required from the nearest building wall to top of the building roof. (Horizontal / Vertical run) with suitable high temperature painting.

Making insulation by 2" glass wool including netting arrangement and mvfired with aluminum clading as per direction of the EIC.

a) 150 mm. dia exhaust pipe.

b) 100 mm dia exhaust pipe

c) Residential type silenser pipe

S&F rain protection canopy.

S& delivery of 200 Itrs. Capacity heavy gauge PVC sheet barrel.

Supply & delivery of best quality oil hand pump with 1" dia PVC flexible pipe (12ft. Approx)

Earthing with 50 mm dia(ISI medium) GI pipe in morrum soil as per GS

Excavation of morrum soil for installation of earth electrode and filling & ramming as per GS

Supply & fixing 25 x 6 mm. MS flat. for earth continuty from earth pit to DG set

Supply & fixing black PVC heat shrink sleeve for covering the 25 x 6 mm. GI flat.

Supply & laying 1 x 16 sq. mm. single core flexible copper wire(Make-Havells/KEI/Polycab/Finolex) in suitable size PVC pipe (reinforced) on wall / floor from neutral earth bus to DG set neutral point including both side socketing.

S&F compression type PVC gland for 40 mm dia reinforced pipe.

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

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

S & F EI danger board, (size : 20 cm. x 30 cm.)

Providing CC Platform for installation of TOWER with dimension of CC foundation is 1 mtr x 1 mtr X 2.5 mtr depth = 2.5 cu.mtr after necessary excavation of earth work with Supply and delivery of all raw material i.e. stone chips, sand and cement and the height of platform 0.3 mtr from ground level with 3mm thick neatly finished cement plaster all round as per GS

S & F MS angle frame of 65x65x8 mm thick (upto the height of 1.5 mtr) and 50x50x6mm thick ( upto the height of 2.5 mtr) for TOWER structure for holding the 150mm dia exhaust pipe and upto the height of 4 mtr from ground level including necessary nuts & bolts as per direction of EIC and necessary paintaing as per GS

Hiring charges for scaffolding by bamboo, coir rope by square type arrangement for smooth working and lifting of MS black pipe for vertical installation including dismantling after completion of work.

Cutting RCC/cemented floor by special tools & tackles very carefully without any damaging and removing the shifted rubbish & leveling up and restoring the surface as per direction of EIC.

Part: C- El work

Supply & laying of 1.1 KV gr 4 core 50 sq. mm. XLPE/Ar. Al. conductor cable (Make-Havells/Polycab/KEI)as to G.S.

a) Laying in UG trench.

b) Laying through floor/wall

Supply & laying of 1.1 KV gr 4 core 25 sq. mm. XLPE/Ar. Al. conductor cable (Make-Havells/Polycab/KEI) as to G.S.

a) Laying in UG trench.

b) Laying through floor/wall

Supplying and fixing compression type gland complete and finishing the end of following cable as per GS

a) 4 core 50 sq.mm.

b) 4 core25 sq mm.

S & F 500v 8way VTPN (IP43 protection ) in sheet steel enclosure with double metal door (Make-Legrand/ABB/Siemens) complete with tinned copper brass neutral bar, earth bar, din rail etc. Suitable for SP/TP out going incorporating the following ratings of MCBs including fixed the DB on Iron Frame On wall/ flushed the DB inside wall as per site conditions including mending good the damages to building works and necy. Earthling attachment as per GS a) Incoming - 125amp 4pole MCCB-1no (Make-Legrand/ABB/Siemens) b) Outgoing - 63amp TPMCB -05 no. (Make-Legrand/ABB/Siemens) 32amp SPMCB-09 no (Make-Legrand/ABB/Siemens)

S/F of 415V 100A off load changeover switch (Make-Legrand/ABB/Siemens) with both side cable entry box on flat iron frame on wall as per GS

S/F 2" dia Gl pipe for cable protection(ISI-M)

NARAYAN CHANDRA DAS

GHOSH ENTERPRISE