SITC of 125 kva DG Set in Vapi Taluka Court, Vapi, Dist. Valsad.

Name of work S: ITC of 125 kva DG Set in Vapi Taluka Court, Vapi, Dist. Valsad.

Qnty Sr. No. Item Description Unit Rate After 1% LC Words Amount

4 1 Supplying & erecting earth pit of minimum bore dia.150mm size Ea. 4591.46 Rupees

approved make Earthing Electrode consisting Pipe-in-Pipe Four

Technology as per IS 3043-1987 made of corrosion free hot Thousand

dipped G.I.Pipes having Outer pipe dia of 50mm having 80-200 Five

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

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 Only

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 in normal soil

Length of pipe - 1 Mtr Back filling compound - 1 Nos Bag of

65 2 Providing and erecting XLPE(IS:7098)(I)-88 ISI armoured Mtr. 648.42 Rupees Six

cable multistrand Aluminium conductor for 1.1 KV. to be laid Hundred

on wall with necessary clamps or in existing trench / pipe of Forty Eight

following size of cables (F) 3 1/2 core 120 Sq. mm ( 70 Sq. And Paise

mm 1/2 core) (Make: RR Kabel/ Polycab/ Forty Two

Finolex/KEI/Haveslls) Only

52 3 Making trench in soft soil of suitable width of 90 cm deep for Mtr. 55.55 Rupees Fifty

laying cable or locating the fault all over the run and back Five And

filling the same and making the surface as normal ground. Paise Fifty

52 4 Providing & laying approved make Double walled corrugated Mtr. 137.36 Rupees One

pipes (DWC) of polyethylene(conforming to IS 14930 II )with Hundred

necessary connecting accessories of same material at Thirty Seven

required depth in existing trench for laying of cable. below And Paise

ground / road surface for enclosing cable (D)120 mm outer Thirty Six

6 5 Providing and, fixing heavy duty flange type brass double Ea. 140.39 Rupees One

compression type cable gland with rubber ring for PVC Hundred

insulated armoured cable complete with out going tails, Forty And

insulating tape etc for following size of cables. (E) 3 & 1/2 Paise Thirty

core 120 Sq. mm Nine Only

6 6 Solder less crimping type Aluminium lugs conforming to IS Ea. 25.25 Rupees

suitable for cable of following size evenly crimped with high Twenty Five

pressure tool & connected to switchgear terminals with And Paise

brass/cadmium plated nut bolts in an approved manner. (E) Twenty Five

18 7 Solder less crimping type Aluminium lugs conforming to IS Ea. 45.45 Rupees

suitable for cable of following size evenly crimped with high Forty Five

pressure tool & connected to switchgear terminals with And Paise

brass/cadmium plated nut bolts in an approved manner. (G) Forty Five

120 Sq.mm. Only

1.0DTP- DG Set Vapi Page 1 of

Qnty Sr. No. Item Description Unit Rate After 1% LC Words Amount

Supply, Installation, Testing and Commissioning (SITC) of Silent Type Diesel Rupees Nil

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%, 50 Hz ±5%,

3-phase, 4-wire operation at 0.8 lagging power factor, 1500 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 0.8 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

The OEM/Contractor shall provide a Remote Monitoring System (RMS) with Rupees Nil

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 Rupees Nil

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 Rupees Nil

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,

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

(Part 2), IS 4722 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.

1.0DTP- DG Set Vapi Page 2 of

Qnty Sr. No. Item Description Unit Rate After 1% LC Words Amount

Terminals shall be brought out to a terminal box with adequate space for Rupees Nil

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 Rupees Nil

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- Rupees Nil

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 Rupees Nil

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 Rupees Nil

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

1 8 (M) Continuous rating of 125 KVA ,BHP not less than 154 Each 1286492.55 Rupees

BHP (Make: Cummins, Kirloskar, Mahindra Powerol, Ashok Twelve

Leyland, Greaves Power) Lakh(s)

1.0DTP- DG Set Vapi Page 3 of

Qnty Sr. No. Item Description Unit Rate After 1% LC Words Amount

1 9 AMF Panel: Each 121201.01 Rupees One

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 Twenty One

analyser to indicate currents, phase and line voltages, frequency, power Thousand

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/ Hundred

Ethernet /RS485/SNMP port open protocol for BMS integration including One And

suitable software, the panel shall be of DG Set. as per approved by Paise One

Engineering in charge and including the following:

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

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 adjustment.

9. Control/Signal/Multi core/Communication Cables between DG Set and AMF Rupees Nil

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

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 accessories

17. Maintenance notification based on Engine Run Hour & due date.

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.

Deputy Executive Engineer, Executive Engineer,

Electrical R & B sub-Division, Valsad Electrical Division,

1.0DTP- DG Set Vapi Page 4 of