SITC of a DG Set for Court Building at Valod Di. Tapi.

Name of work : SITC of a DG set for Court Building at Valod,Di-Tapi

SR. Qnty. Unit DESCRIPTION TENDER Amount

1 1 Ea Supply, Installation, Testing and Commissioning (SITC) of Silent Type 1198279.00

Diesel Generating (DG) Set(s) of prime power rating (kVA) as

specified, complete as a packaged system, conforming to CPCB IV+ (or

better) emission norms, and complying with all applicable statutory

requirements, codes and standards including (but not limited to) IS

4722:1968, IS 13364 (Part 2) and BS 5514 (latest

editions/amendments). The DG set shall be suitable for 415 V ±10%,

Hz ±5%, 3-phase, 4-wire operation at 0.8 lagging power factor,

RPM, for tropical conditions, and shall be capable of delivering 10%

overload for one (1) hour after twelve (12) hours of continuous

operation (ISO 8528), unless otherwise stated by the OEM. The scope

shall include complete accessories, interconnections, foundations/anti-

vibration arrangements, exhaust system, acoustic enclosure, earthing (as

required), consumables for first commissioning, and all works necessary

to render the installation fully functional and compliant, as directed by

the Engineer-in-Charge (EIC).

Factory testing shall be carried out with fuel and load bank at

power factor and the DG set shall be offered for inspection prior to

dispatch. The DG set shall be provided with a durable QR code/label

fixed on the enclosure/control panel, linking to a document repository

containing (as a minimum) approved GA drawings, wiring diagrams,

foundation and installation details, OEM catalogues, operating &

maintenance manuals, factory test reports, type test certificates (where

applicable), warranty certificate, geo-tag of manufacturing location, and

rating plate data as per relevant IS/BS/ISO requirements. The

OEM/Contractor shall provide a Remote Monitoring System (RMS)

with minimum one (1) year connectivity (SIM/data plan/server access as

applicable), including dashboard access, user ID/password, and data

download facility. RMS shall, at minimum, capture and report: DG

status (Auto/Manual/Off), start/stop events, kW/kVA/kVAR, V/I/Hz,

PF, run hours, fuel level, battery voltage, alarms/trips with time stamp,

and GPS/location (where supported). All licences/subscriptions required

for the stated period shall be included in the quoted price.

(A) Diesel Engine:

Turbocharged, 4-stroke, water-cooled, multi-cylinder diesel engine,

suitably rated for the specified DG set prime rating at site conditions,

complete with dynamically balanced flywheel, heavy-duty engine

mounting, and electric starting arrangement. The engine governing shall

be electronic (isochronous/droop as per OEM standard) and shall

comply with ISO 8528/BS 5514 requirements for steady-state speed

regulation. Engine shall be complete with dry type air cleaner with

restriction indicator, lube oil cooler (if required), radiator/cooling

package (as applicable), and all sensors/switches required for

protections and annunciation. The engine shall be capable of 10%

overload for one (1) hour after twelve (12) hours continuous operation

and shall be suitable for continuous duty under tropical ambient

conditions. The offered engine model shall be CPCB IV+ compliant and

shall be supplied with complete emission control/after-treatment system

(including DEF/urea dosing where applicable) along with all

accessories, tanks, pumps, heaters and controls required for compliant

operation. The supply shall include first fill of lubricating oil, coolant

and consumables required for initial commissioning and testing. All

fasteners, couplings, guards, hoses and standard/recommended

accessories required for safe and reliable operation shall be included

and shall be subject to inspection/approval by the EIC.

(B) Engine-Mounted Instrumentation/Control Panel:

Engine-mounted instrument/control panel shall be microprocessor

based, with LCD/LED display, event log and alarm/trip annunciation,

complete with all wiring, harnesses and terminations.

Indications/protections shall include (minimum) the following and any

additional protections recommended by the OEM: (i) Start/Stop key

switch and/or push buttons with emergency stop; (ii) Output breaker:

suitably rated 4-pole ACB/MCCB/MCB as applicable, with minimum

25 kA rupturing capacity (or as per fault level at site, whichever is

higher), with shunt trip where required; (iii) Jacket water/coolant

temperature – indication and high temperature alarm/trip; (iv) Lube oil

pressure – indication and low pressure alarm/trip; (v) Lube oil

temperature (where provided) – indication/alarm; (vi) Battery charging

indication, battery voltage indication and charging failure alarm; (vii)

Engine speed (RPM) indication and overspeed trip; (viii) Engine

running hours meter (non-resettable); (ix) Fuel level indication and low

fuel alarm; (x) Fail-to-start / crank fail alarm; (xi) Under/over frequency

and under/over voltage protection (alternator side) as applicable; (xii)

Common alarm and common trip indication with potential-free contacts

for BMS/remote annunciation. All meters/indications shall be of proven

industrial quality and the panel shall be wired, ferruled and labelled.

The contractor shall submit wiring diagrams, protection settings and

datasheets for approval prior to dispatch/installation. (C)

Synchronous, brushless alternator of appropriate kVA rating, 415 V, 3-

phase, 50 Hz, 1500 RPM, 0.8 lagging PF, continuous duty, dynamically

balanced rotor, self-cooled, self-excited and AVR regulated. Enclosure

shall be SPDP, minimum IP23. Insulation shall be Class H with suitable

tropicalization; temperature rise shall be within limits of the applicable

standard. The alternator shall comply with IS 13364 (Part 2), IS

and/or BS 2613 (latest), as applicable. Voltage regulation with AVR

shall be within ±1.0% (steady state) or OEM standard whichever is

better. The alternator shall be capable of 10% overload for one (1) hour

after twelve (12) hours of continuous operation. Harmonic distortion

shall be suitable for non-linear loads; alternator shall be equipped with

appropriate AVR features (e.g., soft start, UFRO) and shall be suitable

for motor starting duties typical to the installation. Terminals shall be

brought out to a terminal box with adequate space for termination and

shall include earthing terminals. All routine/type test certificates (as

applicable) shall be submitted for acceptance.

(D) Base Frame & Foundation: Engine and alternator shall be mounted

on a suitably designed, fabricated MS channel base frame with

stiffeners, lifting arrangement and coupling guard, duly painted/treated

for corrosion protection. The set shall be installed on an adequately

designed cement concrete foundation/pedestal with anchor bolts,

pockets, grouting and anti-vibration mounts (AVMs) / spring isolators

as per OEM recommendations and site conditions. Vibration levels shall

be within OEM permissible limits. The contractor shall be responsible

for alignment, levelling, tightening torque and re-check after load trial,

complete in all respects. (E) Fuel Tank: In-built/base fuel tank

fabricated from minimum 3 mm thick MS sheet, duly leak-tested,

complete with filling arrangement, vent, drain, cleaning opening, level

indication and isolation valve(s). The capacity shall be adequate for

minimum eight (8) hours continuous operation at full load. Fuel piping

between tank and engine shall be MS ‘C’ class pipes of suitable

diameter with compatible flexible connections (where required),

complete with all valves, clamps, supports, unions and fittings. Any

additional safety provisions required by local fire

authority/UGVCL/competent authority (such as double wall/bunding,

flame arrestor, etc.) shall be provided within the quoted scope.

(F) Exhaust System: Heavy-duty residential type exhaust silencer

suitable for CPCB IV+ installation (with DEF/after-treatment system

wherever applicable) along with exhaust piping of required length,

bends, supports and flexible bellow, complete with rain cap, drain

arrangement and all accessories. Exhaust piping shall be thermally

insulated/lagged and cladded where required to ensure personnel safety

and to limit heat radiation inside the DG room/enclosure. The complete

exhaust arrangement shall be designed such that engine exhaust back

pressure remains within OEM permissible limits and shall comply with

applicable statutory and safety requirements.

(G) Starting System: 12 V / 24 V DC electric starting system (as per

OEM design) comprising starter motor(s), battery charger/alternator

charging arrangement, relays, cabling and terminals, complete with

maintenance-free batteries of suitable Ah capacity to ensure minimum

three (3) consecutive cranking attempts. System shall include battery

isolator and indication of charging healthy/failure. All battery

interconnections shall be with crimped lugs, insulated sleeves and

proper supports, complete in all respects

(H) Acoustic and Weatherproof Enclosure: Acoustic enclosure shall be

factory-fabricated, weatherproof and corrosion protected, suitable for

outdoor installation, with minimum IP65 protection (or better) for the

enclosure body. Enclosure design shall provide adequate fresh air intake

and hot air discharge for engine radiator and alternator cooling such that

the internal temperature rise remains within OEM limits at full load.

Provision shall be made for safe access/maintenance including lockable

doors, viewing window (where provided), emergency stop access, and

cable entry glands. Noise level of the complete DG set with enclosure

shall not exceed 75 dB(A) measured at 1.0 m distance in free field

conditions, in accordance with applicable CPCB requirements. The

enclosure shall comply with CPCB IV+ (or better) requirements and

other applicable local rules/regulations. All louvers, acoustic

infill/insulation, fasteners and sealing arrangements shall be of fire-

retardant/industrial grade as per OEM standard. Any deviation from the

specified noise/IP requirements shall be treated as non-compliance

unless explicitly approved by the EIC in writing.

Erection, testing, commissioning and satisfactory performance

demonstration shall be carried out as per site requirements and as

directed by the Engineer-in-Charge. The scope shall include pre-

commissioning checks, insulation resistance tests, no-load and load

trials, safety/protection checks, and performance test on load bank

(where directed) with submission of test records.

The contractor shall provide initial consumables including first fill of

diesel fuel (minimum up to 80% of fuel tank capacity), lubricating oil,

coolant, etc. required for commissioning and the specified tests. The

bidder/OEM shall provide comprehensive warranty/guarantee for the

complete DG system (engine, alternator, control panels, RMS, enclosure

and all accessories) for a minimum period of two (2) years from the date

of commissioning/handing over, whichever is later, covering defects in

materials and workmanship. During warranty, all

spares/repairs/replacements and visits required to maintain the DG set

in serviceable condition shall be carried out at no additional cost. All

necessary statutory approvals, inspections, testing and certification from

the Electrical Inspector/competent authority (including provision,

testing and sealing of energy meter(s) wherever applicable) shall be

arranged and obtained by the contractor within the quoted scope and

time, at no extra cost. Required O&M manuals, as-built drawings,

warranty certificates and training to operating staff shall be provided

prior to handing over.

Note: The DG set specifications shall comply with the latest CPCB

guidelines/notifications and all applicable local rules/regulations

prevailing as on the last date of tender submission applicable local

rules/regulations prevailing as on the last date of tender submission(L)

Continuous rating of 100 KVA ,BHP not less than 126 BHP

2 1 Ea AMF Panel: 121201.01

Free standing floor mounted IP 42 automatic mains failure control

panel including auto by-pass, suitable for KVA as below for silent

type DG set complete with relays, timers, set of CTs for metering &

protection and energy analyser to indicate currents, phase and line

voltages, frequency, power factor, KWH, Kilo Volt Ampere

Reative Hour (KVARH), KVA (Phase & Total), KW (MFM) &

provision for overload, short circuit, restricted earth fault, under

frequency, all complete and inter locking and communication/

Ethernet /RS485/SNMP port open protocol for BMS integration

including suitable software, the panel shall be of DG Set. as per

approved by Engineering in charge and including the following:

1. Suitable numbers and appropriate capacity 4 ACB/ MCCB with

electronic release for O/C & E/F and shunt trip. (Icu=100%Ics) (Not

below 25KA Breaking Capacity at 415Volts), (Total Three Breakers)

2. Auto/Manual/Test/Off selector switch

3. Protection for under and over voltage phase reversal (2 nos

Over voltage relay, 2 Nos. reverse power relay and 2 Nos. under

voltage relay).

4. 3 Sets of current transformers 15 P 10 accuracy for protection and

15 VA class-I for metering

5. Energy analyser unit to indicate current, Voltage( L- N & L_L), kW,

kVA (Phase & Total), Frequency, KWH, PF.

6. LED Indicating lamps for load on mains and load on set

7. Fuse/ MCB for instruments

8. Battery charger, complete with transformer/ rectifier, D.C. voltmeter

and ammeter, selector switch for trickle, off and boost and current

9. Control/Signal/Multi core/Communication Cables between DG Set

and AMF Panel upto 20 Mtr

10. Main supply failure monitor

11. Supply failure timer

12. Restoration timer

13. Control unit with three impulse automatic engine start/stop and

failure to start lockout.

14. Impulse counter with locking and reset facility.

15. ON/OFF/Control circuit switch with indicator 16. Audio/Video

annunciation for

(i) High water temperature

(ii) Low lubricating oil pressure

(iii) Engine over speed

(iv) Engine fails to start (v) Full

load/maximum load warning

16. Protection for over/under Frequency, Loss of AC sensing, Over

Current, Unbalancing load with suitable number of relays and

17. Maintenance notification based on Engine Run Hour & due

18. Load Management through PLC to achieve auto opening and

closing of incomer breakers, bus coupler switching of essential panel

, interlocking providing signal to AMF Panel for load status and

AMF shall give command to DG Set to auto start / auto stop

depending upon load status and requirement etc. and necessary

hardware and software required to perform the operation shall be

provided by the contractor including all control wiring. (C) AMF

Control Panel for100 kVA/125 KVA3 phase DG Set

3 6 Ea Supplying & erecting earth pit of minimum bore dia.150mm size 4591.46

approved make Earthing Electrode consisting Pipe-in-Pipe Technology

as per IS 3043-1987 made of corrosion free hot dipped G.I.Pipes

having Outer pipe dia of 50mm having 80-200 Micron galvanising,

Inner pipe dia of 25 mm having 200-250 Micron galvanising,

connection terminal dia of 12mm with constant ohmic value surrounded

by highly conductive compound with high charge dissipation suitable

for following type of applications with chamber and heavy duty cover.

(A)(approved make OEM has to submit test certificate including value

of earth resistance of installation duly stamped and signed by agency

and officer Incharge has to ensure the value of earthing resistane

mentioned in test Certificate) & having back filling compound of (B)

Inner chemical (CCM Compound)- Resistivity:- 0.2 ohm / meter testing

as per IEC 62561-2017, Voltage drop:- < 1 volt at no load & dry form,

Sulphar content:- <2%(C) Back fill Compound :- Earthing compound

should be capable to retain moisture for long time Necessary test report

must be submitted by Agency. (a) For Electrical Installation up to 440V

Length of pipe - 1 Mtr

Back filling compound - 1 Nos Bag of 15 Kg

4 6 Ea Providing and erecting Approved make Four pole moulded case circuit 6790.23

breaker having breaking capacity ICU of 25 KA. at 415 V,having

normal current rating up to 25 A to 100A. with Fixed thermal &

magnetic release suitable to work on A.C. supply 50 Hz. with all

internal connections, spreader tinned copper & complete erected in

existing 16 G.M.S. housing.ICS=100% of ICU only Cat III

5 1 Ea Providing and erecting Approved make Four pole moulded case circuit 17843.67

breaker having breaking capacity ICU of 35 KA. at 415 V. having

Normal current rating 200A.with variable Thermal & magnetic release

suitable to work on A.C.supply 50 Hz. with all internal connections,

spreader tinned copper & complete erected in existing

G.M.S.housing ICS=100% of ICU only Cat III

6 4 Ea Providing & erecting 240 V MCB double pole switch for motor & 362.59

inductive load (C Curve) having 10 KA breaking capacity & confirms

to IS : 8828 in existing box having following capacity(B) 40 Amp.

7 4 Ea Providing & erecting 415V MCB Four Pole Switch for Lighting Load 702.96

(B curve) having 10KA breaking capacity & confirms to IS :8828 in

existing box having following capacity(b)40 Amp. Cat.III [3-10-4]

8 1 Ea Supplying & erecting approved make Four Pole 415V change over 12241.20

switch interior for panel mounting with operating mechanism A.C.23

duty confirming to IS for (D)200A

9 1 RnM Supplying and erecting triple pole & neutral 440V / 500V panel 3202.71

Tr mounting Copper Busbars with four equal Nos. of electrolyte bus

having current density not more than 1.6 Amp. / sq.mm (Rated current /

cross section area) duly wrapped with colour insulating tape for phase

sequence of following current carrying capacity, erected with necessary

bus bar supports /insulators, main cable socket to each bar, erected in

existing cubical panel with necessary connections.(B) Suitable for

10 2 Sq Providing & erecting weather proof, dust & vermin proof, floor 11466.53

Mtr mounted front operated outdoor type double door cubical panel board

necessary IP-54 and above protection as per approval from engineer

incharge made from 14 SWG thick CRC M.S. sheet for outer body &

doors, 16 SWG thick CRC M.S.sheet for internal partitions with

necessary accesories , supporting angles/ flats channel including

cutting, bending, drilling, welding, riveting with internal partitions &

cable alley as per requirements & instruction of engineer-in-charge with

erection of supplied switch gears, BUSBARS, suitable size of inter

connecting PVC copper wire / copper-aluminium strips, rubber

grommets, rib, bakelite control fuses/MCB for measuring instruments,

earth bus & earth bolts, foundation flange - bolts-base Plates, sufficient

nos. of hinged doors, handles with locking arrangement and rubber

gasket,heavy duty end terminal connection,danger notice

board,necessary ventilation,earthing strip complete. The Panel shall be

painted with epoxy powder coating. (The rates excludes the cost of

switchgears, bus bars, inter connecting mains & Copper Aluminium

strips, meters, Fuses etc. The dimension shall be measured excluding

base beams) The panel shall be supplied with following approved

manufacturers with following size.(A) locally fabricated panel board (i)

with 350 mm depth

11 1 Ea Supplying and erecting approved make single phase servo controlled 6454.91

voltage stabilizer suitable for input voltage range 180/25OV. And

output voltage range 225/235V. A.C. complete erected. (A)1.0 kVA

12 1 Ea Supplying and erecting approved make panel mounting type Digital 1275.63

Voltmeter having 3 digits LED display, 0 to 750 AC Volts range

erected on existing panel board with all connection, wiring etc .with

manufacturers calibration certificate

13 1 Ea Supplying and erecting approved make panel mounting type Digital 1558.43

Ammeter having 3 digits LED display, external CT operated,

calibrated for 0 to 1000 Amps suitable to operate on 500 Volt AC

erected on existing panel board with all connection, wiring etc .with

manufacturers calibration certificate.

14 2 Ea Supplying and erecting Ammeter / Voltmeter selector switch for 3 317.14

phase AC Supply 500 V on existing panel board with necessary

15 3 Ea Providing & erecting L.T. Current Transformer with bar primary 50/5 274.72

to 1000/5 ratio 15 VA burden erected in existing CRCA box duly

secured with insulating materials connected to the meter

16 3 Ea Supplying and erecting approved make suitable panel indicator LED 43.43

type lamp, lens cover, complete erected with necessary connections.

17 10 Kg Providing , erecting , fabricating the M.S. structure as per requirement 77.77

on site incorporating proper size of M.S. angles,square,round, flats,

bars, channels, sections complete with cutting, welding, grinding &

finishing duly painted with one coat of red oxide with erection on site

as per direction of engineer in charge with necessary grouting,

cementing, plastering & finishing complete.

18 50 Mtr Providing and erecting required size Copper strip for earthing of H.T. 794.87

OCB / ACB/ Transformer, LT panel board, Motors etc. using copper

19 4.2 Cu Providing cement concrete. foundation or for concrete filling in 1:3:6 4511.67

mtr ratio with 20 to 25 mm stone metal duly plastered with necessary curing

for pole muffing or any other purpose.

20 1 Ea Providing and erecting Approved make Four pole moulded case circuit 17843.67

breaker having breaking capacity ICU of 35 KA. at 415 V. having

Normal current rating 200A.with variable Thermal & magnetic release

suitable to work on A.C.supply 50 Hz. with all internal connections,

spreader tinned copper & complete erected in new 16 G.M.S.housing

ICS=100% of ICU only Cat III

21 80 Mtr Providing and erecting FRLS-XLPE(IS:7098)(I)-88 ISI armoured cable 589.84

multistrand Aluminium conductor for 1.1 kV. to be laid on wall with

necessary clamps or in existing trench / pipe of following size of cables

(E) 3 1/2 core 95 Sq. mm ( 50 Sq. mm 1/2 core)

22 75 Mtr Making trench in soft soil of suitable width of 90 cm deep for laying 55.55

cable or locating the fault all over the run and back filling the same and

making the surface as normal ground.

23 75 Mtr Providing & laying approved make Double walled corrugated pipes 62.62

(DWC) of polyethylene(conforming to IS 14930 II )with necessary

connecting accessories of same material at required depth in existing

trench for laying of cable. below ground / road surface for enclosing

cable(A)50 mm outer dia

24 4 Ea Providing and, fixing heavy duty flange type brass double compression 131.30

type cable gland with rubber ring for PVC insulated armoured cable

complete with out going tails, insulating tape etc for following size of

cables.(D) 3 & 1/2 core 95 Sq. mm

25 4 Ea Solder less crimping type Aluminium lugs conforming to IS suitable for 20.20

cable of following size evenly crimped with high pressure tool &

connected to switchgear terminals with brass/cadmium plated nut bolts

in an approved manner. (D) 35/50 Sq.mm.

26 1 Ea SITC of Vertical Air Termination Solid aluminium with Base- 10 mm 9416.23

dia and 1000 mm long. Air Termination Base tested for conditioning,

Ageing Test & Lightning impulse current withstand test: 100 kA of

10/350µs waveform in an accredited Third party laboratory as per 6.3 &

6.4 of IEC 62561-1 2017 protocol with MAST 34mm dia 3000 mm long-

Cold Galvanized

27 85 Mtr SITC of 8 mm dia solid Aluminium Conductor for roof top mesh grid 299.97

and tested as per IEC 62561- 2 conducted in the Govt. accredited thirty

party laboratory to meet the requirement of IS/IEC 62305 with Required

Accessories - Aluminium Holding clamp at every 1 mtr distance,

Aluminium/SS cross splicer at every crossing of Alu. conductor,

Expansion piece with connectors at every 20 mtr distance, Aluminium

straight Splicer to connect conductors. All Accessories should be tested

as per IEC 62561-1 2018 Cl. 6.3 for conditioning & Ageing Test &

for Lightning impulse current withstand test: 100 kA of 10/350µs

waveform(Ageing & Electrical test ) conducted in a sequence manner &

tested in the Govt. accredited Third party laboratory to meet the

requirements of IS/IEC

28 2 Ea SITC of 14.2 mm dia 3 mtr long Earth electrode of High tensile steel 5992.33

electrode with 250 micron copper bonding & 1 bag of Carbon fill Based

environment friendly backfill tested as per IEC 62561-7 in NABL

accredited Laboratory and suitable stainless Steel double sided clamp.

Eco Friendly rust proof heavy duty weather proof Polyethylene Earth Pit

Chamber with following dimensions :254 mm dia (top), 330 mm dia

(bottom) & 260 mm (height).

Deputy Executive Engineer Executive Engineer

Electrical (R&B) Sub-Division Electrical (R&B) Division