WBPWD/SE/SWEC/NIQ33/2023-24/ Retender

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 Engine & Acoustic Enclosure having following specifications :-

Engine:-

Make: Cummins/Volvo/Caterpiller/MTU Force /Mitshubishi/KOEL /Greaves / Ashok Leyland / Mahindra

Engine Type : 4 Stroke Diesel Engine

MoEF certified power : 81 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 4 or higher

Aspiration : Turbo Charged

Type of Governor : Electronic

Fuel Tank Capacity : Minimum capacity 150 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 14 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 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/ Crompton Greaves

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 14 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)2 No. 100 A AC1 duty, 4pole power contactor and U/V release etc. [make: ABB, Legrand, Schneider]

ii) 2 Nos. 100 A, 3pole, 50 KA MCCB with microprosser based LSIG protection. [make: Legrand]

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)

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

ix) 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 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 & delivery and pouring including transportation of HSD oil

Extending the exhaust pipe with 75 mm. dia MS black pipe (Thickness 4 mm) including connection with the existing silencer attached with the flexible coupler and S&F flange, nuts, bolts & washers etc. & necessary fixing materials etc. as required from DG set upto 2.5 Mts high of the near higher installation with Asbestos rope / glass wool insulation and chicken net and Aluminium fol covering, with end cap with suitable high temperature painting.

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

100 mm. dia exhaust pipe.

Residential type silenser pipe

S&F special type MS angle iron bracket support made of 40x40x6 mm. MS angle with flat iron clamp with nuts, bolts & washers etc. for 90 mm. dia (Vertical Run).

S&F rain protection canopy.

Earth work in excavation of foundation trenches of drains, in all sorts of soil 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 water as required complete.( Depth of Excavation not exceeding 1500 mm ) [ Page- 1, Item no.- 2(a) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Earth work in filling in foundation trench or plinth with good earth in layers Board a) With earth obtained from excavation of foundation 1/5th of excavated earth [ Page 1, Item no.3(a) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Filling in foundation or plinth by fine sand in layer a) With earth obtained from excavation of foundation 1/5th of excavated earth [ Page- 2, Item no.- 4(B) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Single Brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand [ Page- 14, Item no.1 of PWD Schedule of Rates, Volume-I of Building Works, 2017]

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.. A)For works in foundation and top of ground floor / upto 4 m i) Tor steel/ Mild steel SAIL/ TATA/RINL. [ Page- 43, Item no.40(a)(i)(I) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor. [ Page- 16, item no.-16 of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Plaster (to wall, floor, ceiling etc.) of 15 mm thick with sand and cement with 1:4 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] [ Page- 189, item no.-1(ii)-(b) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE: Cement 0.152 cu.m per 100 sq.m. [ Page- 192, item no.-15 of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Terms & Conditions

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

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

(iii) Necessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to be submited in triplicate 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 the 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. Vii ) During the warrenty period if any discripency occurs regarding performance of the DG set that has to be attnded within 24 Hrs. Sharp.

RAHUL TRADERS

Sohum Industrial Sales Corporation