· Web viewThe LNM Institute of Information Technology, Jaipur Request for Proposal “The LNM...

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The LNM Institute of Information Technology, Jaipur Request for Proposal “The LNM Institute of Information Technology, Jaipur is a Deemed to be University, setup as a Non Profit Making institute located at Gram-Rupa Ki Nangal, Post-Sumel, Via-Jamdoli, Jaipur, Pin 302031 Rajasthan, under the joint venture of Government of Rajasthan and Lakshmi & Usha Mittal Foundation. The institute invites proposal from competent vendors for “supply, installation, testing & commissioning of HT & LT equipments on turnkey basis” in the campus. Bidders can submit their sealed offer/s at the following address by Speed-post/Registered Post/by-hand (but not by Courier) before 10:00 AM on 05.05.19 Technical and commercial bids shall be submitted to the undersigned before the time and date given below: Finance & Purchase Officer The LNM Institute of Information Technology, Gram – Rupa Ki Nangal, Post – Sumel, Via – Jamdoli, Jaipur- 302031 Phone: 0141 5191733, Fax: 0141 5189214 Email: [email protected] Technical bid shall include (sealed in separate envelope):signed and stamped copies of technical specifications& approved make of materials, list of past installations with contact details. Financial bid shall include (sealed in separate envelope): prices of all equipments, machines and parts as given in the attached Financial Bid (Bill of Quantity). Prices shall be FOR SITE and inclusive of all taxes. Nothing extra shall be paid for any item other than the quoted price. Last Date of Submission : May 05 th , 2019 Eligibility:

Transcript of  · Web viewThe LNM Institute of Information Technology, Jaipur Request for Proposal “The LNM...

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The LNM Institute of Information Technology, Jaipur

Request for Proposal

“The LNM Institute of Information Technology, Jaipur is a Deemed to be University, setup as a Non Profit Making institute located at Gram-Rupa Ki Nangal, Post-Sumel, Via-Jamdoli, Jaipur, Pin 302031 Rajasthan, under the joint venture of Government of Rajasthan and Lakshmi & Usha Mittal Foundation.The institute invites proposal from competent vendors for “supply, installation, testing & commissioning of HT & LT equipments on turnkey basis” in the campus. Bidders can submit their sealed offer/s at the following address by Speed-post/Registered Post/by-hand (but not by Courier) before 10:00 AM on 05.05.19Technical and commercial bids shall be submitted to the undersigned before the time and date given below:

Finance & Purchase OfficerThe LNM Institute of Information Technology,

Gram – Rupa Ki Nangal, Post – Sumel, Via – Jamdoli, Jaipur- 302031

Phone: 0141 5191733, Fax: 0141 5189214Email: [email protected]

Technical bid shall include (sealed in separate envelope):signed and stamped copies of technical specifications& approved make of materials, list of past installations with contact details.Financial bid shall include (sealed in separate envelope): prices of all equipments, machines and parts as given in the attached Financial Bid (Bill of Quantity). Prices shall be FOR SITE and inclusive of all taxes. Nothing extra shall be paid for any item other than the quoted price.

Last Date of Submission : May 05th, 2019

Eligibility:Bidder must ensure his eligibility before applying for the tender and submit necessary proofs in support of the eligibility conditions.1. The bidder must have completed successfully minimum 5 orders of minimum value Rs. 30,

00,000.00 (Rs. Thirty Lakhs) each within past three years, involving supply/installation of HT/LT electrical equipments, transformers, LT Panels etc. Bidder should attach copy of work orders or invoices in support.

2. The bidder must have an annual turnover of minimum Rs. 1,50,000,00.00. Bidder should attach copy audited balance sheet with filed ITR in support.

Availability of Tender Form:1. The proposal documents can be obtained from “Finance & Purchase Office” of “The

LNM Institute of Information Technology, Rupa ki Nangal, Via Jamdoli, Jaipur, on the payment of application fees of Rs. 2000.00, plus GST @ 18%.

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2. Proposal form can also be downloaded from the institute’s website. In this case, a DD of Rs. 2360.00, drawn on the name of “The LNM Institute of Information Technology” payable at Jaipur is required to be enclosed in the main envelope.

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TECHNIC A L SPECIFICATIONS

FOR

HT/LT SUB-STATION WORKSOIL TYPE TRANSFORMERS

Scope

The specification covers the design, manufacture testing and inspection before dispatch and delivery at site.

The specification covers oil immersed, naturally air cooled (type ON), outdoor type, three phase, 50 Hz, 11/0.433 step down Power transformers .

Applicable Standards

A. Unless otherwise modified in the specification, the transformers shall comply with the requirement of ISS:2026 (latest issue) and REC specification 2/1973 and ISS:2099 (latest issue). The bushings used shall conform to ISS: 2099 (latest issue) except as modified herein.

B. Type: The transformers shall be double wound, three phase oil immersed, oil natural cooled (type 'ON', core type suitable for outdoor installation in tropical climate and shall be insulated with DPC insulation on HV and LV windings.

Climatic Condition

i) Peak ambient temperature 50 Degree C

Ii )Maximum oil temperature attainable (50 Degree C + 50 Degree C) 100 degree C under maximum temperature max. load conditions

iii) Maximum relative humidity 95% (approaches saturation point).

iv) Minimum relative humidity 10%

v) Average No. of thunderstorm days per annum

40 days

vi) Average number of rainy days per annum

90 days

vii) Number of months of tropical Monsoon conditions

3 months

viii) Average annual rainfall 125cm

ix) Wind pressure 100 Kg/m2

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C. Design and Standardization

The transformers and accessories shall be designed to facilitate operation, inspection, maintenance and repairs. All apparatus shall also be designed to ensure satisfactory operation under such sudden variations of load and voltage as may be met with under working conditions on the system, including those due to short circuits.

The design shall incorporate every reasonable precaution and provision for the safety of all those concerned in the operation and maintenance of the equipment keeping in view the requirement of Indian Electricity Rules.

All material including brought out items like bushings, oil radiator, conductor and insulating materials used shall be of the best quality and of the class most suitable for working under the conditions specified and shall withstand the variation of temperature and atmospheric conditions arising under working conditions without undue distortion or deterioration or setting up of undue stresses in any part and also without affecting the strength and suitability of the various parts for the work which they have to perform.

Corresponding parts liable to replacement shall be interchangeable.

Cast iron shall not be used for chambers of oil filled apparatus or for any part of the equipment which is in tension or subject to impact, stresses or where corrosion due to acidity on sludging is likely to occur. This clause is not intended to prohibit the use of suitable grades of cast iron for parts where service experience has shown it to be satisfactory e.g., large valve bodies.

All outdoor apparatus, including bushing insulators with their mounting shall be designed so as to avoid external pocket in which water can collect and internally air could trap.

All taper pins used in any mechanism shall be of the split type complying with IS: 2593 for these items.

All connections and contacts shall be of ample section and surface for carrying continuously the specified currents without heating and fixed connection shall be secured by bolts or set screw of common size adequately locked against vibration. Lock nuts shall be used on stud connections carrying current.

All apparatus shall be designed to minimize the risk of accidental short circuit caused by animals, birds or vermin.

Continuous Maximum rating and temperature rise

The transformers shall have a continuous maximum rating at the specified normal ratio, frequency and temperature rise.

A. All transformers shall be capable of operation continuously in accordance with IS loading guide at their continuous maximum rating and at any ratio without exceeding, temperature rise.

B. Transformers with tapping ranges (+) 3% to (-) 9% in step of 3% for HV variation below normal voltage shall meet the temperature rise limits specified in IS: 2026 on all

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tappings on which the rated current is not more than 95% of the maximum rated current in lowest voltage tapping. On other tappings they shall operate continuously without injurious heating. The loading of the transformers is to be in accordance with IS: 6600 guide for loading of oil immersed transformers natural cooled units.

C. The transformers shall be capable of operation without danger on any particular tapping at the rated voltage in KV provided that the voltage does not vary by more than + 10% of the voltage corresponding to the tapping.

The maximum temperature rise in each transformer when tested at its continuous maximum rating shall not exceed the following limit at the reference ambient air temperature of 50 degree C:-

i) Temp. of oil by thermometer 50 Deg.C | 50 Deg.C tempera-

(ii) Temp. of winding by test resistance 50 Deg.C | ture gradient.

No Load Voltage Ratio

The no load voltage ratio corresponding to the principal tapping shall be 11,000/433 Volts.

Oil

Transformer oil to be used for first filling shall comply with the specification indicated hereunder, generally as per IS: 335 of 1983 (Third revision) and REC specification No.39/1985 except in so far as values indicated separately as per Board's specification for EHV Grade Oil.

Taps

On load Tap changer shall have taps ranging from +3% to -9% in steps of 3% each on HV winding for HV variation, to give normal 433V on LV side.

Winding connections & Vectors

The primary winding shall be connected delta and secondary winding star as per vector symbol Dy.11 (IS: 2026) so as to produce positive displacement of 30 Deg.C from the primary to the secondary vector of the same phase (vector rotation assumed counter clockwise).

The neutral point of the secondary (LV winding is intended for solidly earthed system and should be brought out to a separate insulated terminal, enabling external insertion of a current transformer in the earth lead to be connected wherever required.

All winding of transformers shall have uniform insulation when tested in accordance with ISS: 2026/1977. The minimum basic impulse withstands level of windings for 1.2/50 micro sec. full wave shall be as given below:-

11 KV 170 KV peak

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Guarantee and penalty for losses of power transformers - Capitalization of transformer losses:

A. The no load losses in Kilo watts at rated voltage and rated frequency and the total losses in Kilo watts at rated full load current and rated frequency at 75 Deg. C shall be guaranteed under penalty for each transformer. For the purpose of penalty computations, the test figures of the no load and the load losses will be compared with the corresponding guaranteed figures.

B. The penalties shall be separately evaluated from:I. The excess of the test figures of the no load loss in KW over the corresponding

guaranteed value and,II. The excess of the test figures of the load losses in KW over the corresponding

guaranteed value.

No tolerance shall be permitted over the guaranteed figures for computation of penalty.

C. The penalties shall be calculated at the rate of Rs.102000/- per KW for the excess of no load loss and at the rate of Rs.44, 000/- per KW for the excess of load losses. For fraction of a KW, the penalties shall be applied on prorate basis. If the test figures of the losses are less than the guaranteed values, no bonus will be allowed.

D. The tenders must clearly specify whether the losses quoted are FIRM or subject to IS tolerance. In case of any ambiguity, loading as per IS tolerance shall be considered for price comparison purpose.

E. The purchaser reserves the right to reject any transformer, if during tests at supplier's works, the tested no load losses and total losses, exceed the corresponding maximum guaranteed losses by more than the following values:

Total losses 10% of the total guaranteed losses

Component losses 15% of each component losses provided that the tolerance for total losses of 10% is not exceeded.

F. Owner reserves the right to test any one transformer, selected at random out of the transformers offered for inspection/supplied, in any independent laboratory of national repute, preferably CPRI, for the purpose of routine tests as per IS 2026. The entire expenses for the same shall be borne by the contractor.

Terminal Arrangement

The transformers shall be fitted with HT cable connectors on HV side and bus-bar connections on LV side.

The bushings shall be filled with transformer oil, EHV grade, which shall be of non oil communicating type with small aperture of 2mm diameter.

The HV/LV bushings shall have the characteristics as per IS: 2099 (latest issue).

The electrical characteristics of bushing insulators shall be in accordance with IS: 2099 as amended from time to time. All type and routing tests shall be carried out in accordance with IS: 2099-1973. The test voltages for various tests as stipulated in IS: 2099-1973 are below:

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Normal system voltage

Rated voltage Of the

Visible discharge Test

One minute wet and dry withstand

Lighting Impulse Withstand test (impulse voltage)

KV KV KV KV KV

11 12 9 35 75

33 36 27 75 170

Dimensions of the LV 12 bushings including neutral (LV side) shall conform to IS: 3347 (Part-III) and those of the 36 KV bushing (33 KV side) shall conform to IS: 3347 (Part-V).

Vibration and noise

A. Every care shall be taken to ensure that the design and manufacture all transformers and accessories shall be such as to reduce noise and vibration to the level obtained in good modern practice.

B. The manufacturers will ensure that the noise level shall not be more than 5 Db above the NEMA standard publication TR-1.

Flux density: Over fluxing

A. Over fluxing of the core shall be limited to 12.5%.B. However, in case of transformers with variable flux, the voltage variation which would

affect flux density at every tap shall be kept in view while designing the transformers.

Internal earthing arrangement

(I) General:

All metal parts of the transformer with the exception of the individual clamping plates shall be maintained at some fixed potential.

(II) The top main core clamping structure shall be connected to the tank body by a copper strip. The bottom clamping structure shall be earthed by one or more of the following methods.

a) By connection through vertical tie rods to the top structures.b) By direct metal to metal contact with the tank base maintained by the weight of the

core and the windings.c) By a connection to the top structures on the same side of the core as the main earth

connection to the tank.

(III) Size of Earthing Connections

All earthing connections with the exception of these from the individual cell clamping rings shall have a cross sectional area of not less than 0.8 sq mm. Connections inserted between laminations of different section of core as per lause-17 III (B) shall have a cross sectional area of not less than 0.2 sq mm.

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(IV) Leads from winding to bushing and internal connection

The leads from winding to bushing and internal connection should be rigid enough to winding normal vibration and transportation shocks and short circuit stresses. They should be spaced in such a way that necessary clearances are maintained not only in air but with oil medium at the lowest electrical strength as per relevant ISS over the period of normal service.

Guarantee:

The manufacturer shall among other things guarantee the following:

(I) Quality and strength of material used, both electrical and mechanical.

(II) Satisfactory operation during the guarantee period of 24 months from the date of receipt of Stores. This period will be reckoned from the day all accessories are received enabling assembly testing, commissioning and commercial operation of transformers.

(III) Performance figures are to be supplied by tender in the schedule of guaranteed particulars. In schedule of 'GUARANTEED TECHNICAL PARTICULARS', all details as required in IS: 2026 shall be given.

Wheels and Axles

The transformers shall be provided with bi-directional flat roller.

Fittings & Accessories :

The following standard fittings as given below:

The fittings shall be in accordance with the details to the extent these area specified in IS:2026.

i. Inspection coveii. Rating plate

iii. Diagram plate with tap position and relative HV/LV voltage.iv. Two earthing terminals.v. Lifting lugs.

vi. 4 jacking pads.vii. Conservator with top fill up cap and bottom drain valve.

viii. Dehydrating breather of required sizes.ix. Connecting pipe with valve and Buchholz relay.x. Radiator with top air release plugs and connected valves top and bottom for

connection to main tank.xi. HV - 3 bushings

xii. LV - 4 bushingsxiii. On load circuit tap switch with lock and 2 keysxiv. Mercury Thermometerxv. Thermometer (dial type) with one contact for alarm

xvi. Thermometer pocketxvii. Magnetic oil level gauge indicating three position of oil marked as follows:

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Minimum - (-5 Deg.C) : (30 Deg.C)

Maximum - (98 Deg.C)

xviii. Oil filling hole and capxix. Air release device on tank topxx. Pressure relief device through explosion vent diaphragm with fresh equalizer pipe air

release plug.xxi. Gas and oil actuated relay.

xxii. 2 filter valves (top valve, lower valve to be used also as drain valve).xxiii. First filling of oil.

S C H E D U L E - I

1. Rating and terminal marking plate:

Following details are to be given on the name plate:

i) Name of the manufacturer

ii) Order No. and date

iii) Rating of transformer and voltage ratio

iv) Year of manufacturer

v) S. no. of transformer

vi) Max. guaranteed losses

(a) No load losses

(b) Load Losses

viii) Type of coating

ix) HV/LV Amps

x) Percentage impedance

xi) Maximum temperature rise

Maximum winding temperature

50 Deg.C.

xii) Weight of transformer

(a) Core and winding - Kg.

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(b) Weight of oil - Kg.

(c) Total weight - Kg.

(d) Oil (Total) - Liter

xiii) Tap positions and corresponding voltage on HV and LV side

2 HV bushings oil filled bushings

Non oil communicating type with 2mm aperture in the base diaphragm and to air release device where applicable.

3

LV bushings, stud in porcelain bushing 11 KV bushings shall be provided with arcing horns

4 Earthing terminals - 2 Nos.

5 Tank lifting lugs - 2 Nos.

6 Packing pads - 4 Nos.

7 Silica gel Dehydrating Breather (with one kg. minimum gel content)

8 Conservator with oil filling cap, drain valve with plug and magnetic oil level gauge with alarm contacts. The oil level gauge shall have three positions of oil. Marked as follows: a) Minimum (-5 Deg.C) b) (30 Deg.C) c) Maximum (98 Deg C )

9 Pressure relief device through explosion vent diaphragm.

10

Gas and oil actuated relay with 2 contacts.

11

Thermometer (dial type) with one contact for Alarm.

12

Filter valves top and bottom (lower valve to be used as drain valve which should be able to drain oil completely).

13

Air release device

14

Axles and wheels :

The transformers of 1000 KVA rating shall be provided with flanged wheels. These wheels shall be suitable for being turned through an angle of 90 Degree C. and locked in that position

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when the tank is jacked up,

15

Thermometer pocket.

16

Detachable radiators with top and bottom shut off valves and air release plug on each radiator top.

17

a) Winding temperature indicator with one set of contacts for 1000 KVA transformers for alarm and trip. b) Oil temperature, indicator with alarm

These shall be housed in WP box with flexible leads and required electrical connectors

18

Inspection cover

19

WP Terminal box alarm and trip contacts with requisite connector.

20

OLTC with taps ranging from (+) 3% to (-) 9% in steps of 3% on HV side for HV variation.

Before installing, the accuracy of the temperature indicators shall be checked by hot oil or water bath. The switches shall be adjusted to make contacts at the desired temperatures depending upon the site conditions i.e. ambient temperature loading conditions etc. The capillary tube shall be protected adequately to withstand all normal handling. It should not however be bent sharply or repeatedly and should be supported by clips to prevent sagging. On no account it shall be cut. The thermometer pocket shall be filled with sufficient transformer oil to ensure good thermal contact between the pocket walls and the thermometer bulb.

Bare conductors of copper or aluminum as directed by Engineer-in-Charge shall be used for connections to the transformer terminals. These may be of flexible type or the rigid type having rectangular or hollow circular cross-section. Where connections are rigid and more than 3 to 4.5 meters long special expansion type of connectors are recommended to prevent the terminal bushings being unduly stressed due to thermal expansion. For aluminum or ACSR conductors used for connections to the transformer terminals made of copper, suitable bimetallic type of connectors should be used to prevent electrolytic corrosion at the contact surfaces of dissimilar metals and necessary precautions taken in making these joints.

The transformer should be so installed that there is no risk of anyone receiving an electric shock. Although, with all metal parts of the metal tank bonded together and properly earthed the tank may be considered quite safe, yet consideration should be given to the arrangements of the connections.

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SWITCH BOARDS (CUBICAL TYPE)

The switch board shall be metal clad, totally enclosed, single front, floor mounted, cubical type for use on 415 volts 3 phase, 50 cycles system with a fault level withstand of 50 K A RHS symmetrical. The switch board shall be made up of the requisite vertical sections. Which when coupled together shall form continuous dead front switch boards of dust and vermin proof construction.

All panels and cover shall be properly fitted and square with the frame. Holes in the panel shall be correctly provided and tapped into on adequate thickness of metal or provided with nuts, for convenient fixing of screws. Self threading of screw shall not be used in the fabrication of the panels. All doors shall be provided with neoprene gaskets. Each vertical panel structure shall contain a cable way alloy of adequate width with provision for suitable cable supports. The cable compartment shall have hinged door. There shall be a separate gland plate for each cable entry so that there will not be dislocation for already wired circuits when new feeders are added. The entire switch board shall be factory assembled.

The panel shall include the required number of MCB / FSU and breakers as per item, copper bus bars as per requirement and item of work with separate neutral bar & earth bars of coppers.

The units should be arranged in their formation to provide a compact switch board having a pleasing appearance. The minimum depth of switch board shall be 300mm. Steel sheet hinged lockable doors shall be duly interlocked with fuses witch unit to prevent opening of the panel when the switch is in 'ON' position. Safety interlocks shall be provided also. All the MCCB's shall be provide with vertical operation.

All indicating instruments shall be of the flush mounting industrial pattern conforming to the requirement of IS: 1248, indicating lamps shall be of the neon type. Separate compartment shall be provided for accommodating instruments, indicating lamps, control contractors and fuses etc. these shall be accessible for testing and maintenance without any danger of accidental contact with line parts of the circuit breakers, unit’s bus bar and connections.

Horizontal wire way with screwed cover shall be provided at the top to take interconnecting control wiring between different vertical sections. Control wiring shall be of copper conductor and shall be color coded for easy identification of circuits. This should be of not less section than 2.5 sq mm not more than two connections shall be made off anyone terminal.

All cable shall be neatly bunched and shall be secured to wiring cradles. All outgoing cables shall be fitted with identification ferrules at each end. Circuit diagram showing the arrangement of circuits shall be pasted on the inside of panel door and covered with transparent plastic sheet. Knockout holes of appropriate size and number shall be provided with panel in conformity with the location of incoming and outgoing cables/conduits. Facility shall be provided for termination of cables from both above and below the panel. Where cables enter from below, cable eyes shall be provided for connections to main earth. The earth bar shall run within the base frame.

All steel material used in the construction of the switch board should have undergone a rigorous

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rust proofing process comprising alkaline degreasing, desiccating in dilute sulfuric acid and recognized Phosphating process. The steel work should then receive the coats of oxide premier before final coat of staying synthetic enamel paint of approved shade.

Engraved plastic labels shall be provided indicating the feeder details. Danger notice plate shall also be provided as per I.E. Rules. Adequate provision shall be made for escape of hot gases by providing louvers. The louvers shall be located as to direct the hot gases away from the operating personnel and shall be covered with a perforated sheet having less than 1 mm diameter perforations to prevent entry of vermin. All nuts, bolts and washers shall be cadmium plated. Each panel incomes section shall be provided with voltmeter 0-500 volts with 3-way on and off selector, switch, ammeter of appropriate range with selector switch as per the bill of material in the tender.

L . T. CABLE

L.T. cable shall be of aluminum/copper conductor as instructed by project engineer / Project-in-charge, FRLS type PVC insulated, PVC sheathed steel tape armored construction conforming to IS- 1554 of 1100 volts grade. The aluminum conductors shall be stranded for sizes above 16sq mm and sector shaped standard conductors shall be used for heavy sizes. As far as possible, cables shall be supplied in drums. Cables supplied shall bear manufacturer's identification marks at regular intervals.

CA B LE TERMINATIONS

Cable leads shall be terminated at the equipment terminals by means of crimp type soldieries connectors as manufacture by MIS. Dowel Electro works. Crimping shall be done by hydraulically operated tools and conduction jelly shall be applied. On the conductor Insulation of the leads should be removed immediately before the crimping. Conductor surface shall be cleaned and shall not be left open for long, prior to crimping to prevent oxidation. Control cables of single strand cables may be directly terminated on to the terminals. Straight through joint if required shall be made by rising epoxy resin cold setting compound type Tripoli of M seal brand. Compression brass cable gland wherever used shall be of current size for cable and terminations. No oversize cable glands shall be used. The gland must grips the armor of the cable firmly, so that in the event of ground movement no undue stress is transferred to the cable conductors. The gland must establish good electrical contact between cable armor, lead sheath and body of switcher. Identification ferrules indication the circuit shall be used for incoming and outgoing cables.

C A BL E WORK IN UNDE R GROU N D While laying underground cables care should be taken so that any underground structure such as water pipes, sewerage lines, etc. are not damaged. Any telephone or other cable coming in the way shall be properly protected as per instructions of Architect. All cable routes shall be carefully measured and cable cut to the required lengths leaving sufficient length for the final connection of the cable. All cable trenches entering sub- stations plants etc. shall be effectively sealed after installation of cables to avoid entry of water.

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The L.T. cables shall be laid not less than 75 cm below ground level in a trench 35cm wide minimum .The depth of the trenches shall be uniform throughout. A bed of 17 cm dry sand shall be load before he cable is laid.

When the cable is properly straightened and laid in the trench, it should be covered all around 8mm thick layer of sand. Approved cable indicators shall be fixed at suitable distances along the route of the cable.

Unless otherwise specified the cables shall be protected by second class bricks of not less than 22.5x 10.0x7 cm or stone tiles or any other approved material placed on sides and top of the cable to form a channel throughout the length.

Spun reinforced concrete pipes shall be provided for all road crossings. The size and nature of the pipe shall be decided by Architect and shall not be less than 10cm in diameter for a single cable and not less than 20cm for more than one cable. These pipes shall be laid in the ground with 10cm thick bed of cement concrete 1:5: 1 0 and may be loose jointed. The top surface of pipe shall be at minimum depth of 90cm from the ground level when laid under the roads/ pavements.

Filling of trenches shall be done after the sand cushioning and laying of tiles are carried out to the satisfaction of a architect, where road bergs or lawns have been cut of Keri stones displaced the same shall be repaired to the satisfaction without any extra cost.

CABLE WORK

LAYING OF CABLES OVER DUCTS/ WALL/TRAYS:- Cable ducts should be of such dimension that the cables laid in it do not touch one another .If found necessary the cable shall be fixed with clamps on the walls of the duct .Cables shall be laid on the walls/on the trays as required using suitable clamping/ fixing arrangement as required. Cables shall be neatly arranged on the trays in such manner that cross-crossing is avoided and final take off to switch gear is easily facilitated.

All cables will be identified close to their termination point by cable number as per circuit schedule. Cable numbers will be punched on 2mm thick aluminum strips and securely fastened to the cable. In case of control cables all covers shall be identified by their wire numbers by means of PVC ferrules. For trip circuit identification additional red ferrules are to be used only in the switch gear/ control panels, cables shall be supported so as to prevent appreciable sagging. In general distance between supports shall not be greater than 600mm for horizontal run and 750mm for vertical run.

T EST I N G OF CABLES:-

After laying and jointing work is completed, a high voltage test should be applied to all cables to ensure that they have not been damaged during or after the laying operation and that there is no fault in the jointing. For 33KV XLPE cable high pot test shall be done at site by 50KV system and nothing extra shall be payable. Cable for use on low and medium voltage system (1.1 K V grade cables) should with stand for 15 minutes a pressure of 3000 volts DC applied between

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conductors and also between each conductor and sheaths .In the absence of " Pressure testing facility" it is sufficient to test for one minute with a 1000 volts insulation tester In case, the test results are unsatisfactory the cost of all repairs and replacement and relaying will be made good by the contractor. Nothing shall be payable for conducting high pot test.

CABLE TRAYS:

Cable trays shall be ladder type fabricated out of mild steel/ slotted angles and flats of required width as per design. Bends shall be prefabricated the cable tray shall be primed and painted with two coats as approved by Engineer - In - Charge. Suitable provision shall be made where a tray crosses expansion joints. The width of the tray shall allow for a suitable separation between cables the design shall allow for adequate bending reduces for the sizes of cables.

The tray shall be suspended from the sophist of the concrete slab by means of approved steel hangers spaced at a distance of not more than 100cms. Suitable bushes shall be provided where cables pass through apertures in the tray. Cable must securely fixed to the tray with fasteners.In routing, necessary barriers and spacing shall be maintained for cables of different voltages in case they lie side by side. Telephone cables shall cross the power cables only at about right angle and these two shall not run in close proximity. Full details of the tray shall be approved by the site engineer before fabrication. Earth continuity shall be maintained between each section of cable tray and each total run of tray shall be effectively bonded to the nearest earth continuity conductor. AII nuts and bolts used shall be of galvanized steel.

EAR T HING

All non-current carrying metal parts of electrical installation shall be earthed as per IS:3043-1986 with latest amendments. All metal conduits, cable sheathes, switch gear, DB's, light fixtures, equipments and all other parts made of metal shall be bonded together and connected to earth electrodes. Earthling shall be in conformity with provision of rules 32, 61, 62, 67& 68 of Indian electricity rules (1956).

All earthing conductors shall be of high conductivity copper, GI and shall be protected against mechanical damage. The cross sectional area of earth conductors shall not be smaller than half that of the largest current carrying conductor. However the contractor shall use the sizes specified in the bill of quantities.

All fixtures and socket outlets, fans, switch boxes and junction boxes, etc. shall be earthen with bars copper wire as specified in the item of work. The earth wire ends shall be connected with solder-less bottle type copper lugs.

All single phase DB's up to 60Amps shall be earthen with 8 SWG GI wire as per item of work.

All 3 phase switch boards up to 100Amps rating shall be earthen with 2Nos. Separate and 25 x 3mm GI strip as per item of work.

All switch boards of ratings more than 100Amps and above shall be earthen with 2Nos. Distinctive separate 25 x 6mm GI strips as per item of work.

All the earth wires in switch boxes, DB's and light fixtures/fans shall be provided with green color sleeving.

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Main earth bus shall be taken from the LTSwitch board to earth electrodes. The electrical resistance of earthing conductors shall be low enough to permit passage of fault current necessary to operate fuse or circuit breaker and shall not exceed 2 ohms.

P LA T E EARTHING

The earthing electrode shall consist of GI plate (60cm x 60cm x 6mm) tinned copper plate 60cm x 60cm x 3mm) as specified in item of work. Galvanizing of the plate shall conform to relevant Indian Standard. The plate electrode shall be buried in the ground with its faces vertical and top not less than 4.5m below GL. The earth plate pipe shall be buried in the ground below the permanent moisture level but not less than 4.5m below ground level. The plate shall be filled with charcoal dust and common salt filling extending up to 15cm around it on all sides. There shall be a 20 mm dia., medium class GI pipe running from top plinth plate up to the ground level for watering pipe. The top of the pipe shall be provided with a funnel and a GI mesh screen for washing the earth. This will be housed in a masonry sump with cement plastering not less than 30cm deep. M.S. Frame heavy duty with hinged cover and locking arrangement shall be suitably provided over the sump. The earthing link from electrode onwards shall be suitably protected from mechanical injury by GI pipe. The portion of this protection pipe within the ground shall be buried at the least 30cm deep (to be increased to 60cm in case of road crossing and pavements). The portion within the building shall be recessed in walls and floors to adequate depth. In the case of plate earth electrode, the earthing load shall be securely bolted to the plate with two bolts, nuts check nuts and washers. In case of pipe earth electrode, it should be counted by means of a 'through' connection with the earth lead with electrode shall be GI brass in case of copper plate electrode.

The electrical resistance of earthing conductors shall be low enough to permit passage of fault current necessary to operate the fuse or circuit breaker and shall not exceed 2 ohms.

PIPE EARTHING

The earthing electrode shall consist of GI pipe of 40 mm dia. and 4.5m length B-class or as described under schedule of quantities. Galvanizing of the pipe shall conform to relevant Indian Standards. The top of the pipe shall be provided with a funnel and a GI screen for watering the earth. This will be housed in a masonry sump not less than 30 cm square and 30 cm deep. A heavy duty MS frame with hinged cover and locking arrangement shall be suitably provided over the sump as approved by the Engineer in-charge.

GI pipe electrode shall be cut tapered at the bottom and provided with holes of 10 mm dia., drilled not less than 7.5cm from each other. The pipe shall be buried in the group vertically with its top not less than 20cm below ground level. The earthing lead from electrode onwards shall be suitably protected from mechanical injury by GI pipe within ground and the portion within the building shall be recessed in walls and floors to adequate depth. The earthing lead shall be connected by means of a through bolt, nuts and washers and cable socket. All materials used for connecting the earth lead with the electrode shall be GI The earth pit depth shall not be less than 4.8 m.

No earth pit shall be fixed within 2m of a wall or foundation. Efforts shall be madetolocate them

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in grass lawns or near flower beds or water taps. The distance between two earthing stations shall be at the least 2m.

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11KV 630AMP, 350MVA INCOMING CUM OUTGOING PANEL AS PER IS: 13118:1991

S. No. DESCRIPTION Incomer    1A Vacuum Circuit Breaker Panel  1 11KV, 350MVA (18.4kA/1 Sec), 650Amp Horizontal Isolation,

Horizontal draw out type VCB Panel 1

2 230 V AC Motorized Mechanism , 13 Control voltage - 24V DC only 14 Copper Busbars, 630Amp, 3-Phase, Heat Shrinkable PVC Sleeved 1

5 Control Wiring Colour Black, 2.5 Sq.mm for CT Ckt. & 1.5 Sq.mm for other

1

6 Degree of Protection as per IS: 3427:1969 – IP4X for external enclosure

1

7 Powder Coated, Paint Shade - RAL 7032 , CGL Grey 18 24V DC Shunt Trip/Close Coil 19 Side Cable Box for 3Cx240 Sq mm XLPE Cable 1B EPOXY RESIN CAST V.T.:   Make - CGL approved vendors  1 VT specification-with Primary and secondary fuses, Feeder

connected1

  3Ph, 3-Limb, D/O Type, 1No.    11KV/110V    Class:1, Burden:100VA       C EPOXY RESIN CAST, 1-Ph CT (STR- 18.4 kA /1 sec.)    Make - CGL approved vendors  1 CT specification 3  60/5+5Amp, Class:1/5P10, Burden:15VA       D Meters    Make - CGL approved vendors  1 Digital Ammeter with selector switch (96 sq. mm) 12 Digital Voltmeter with selector switch (96 sq. mm) 13 Tri-Vector Meter- ER300P, 3 PS, 4 Wire , 3 Element with

communication port- RS485 Port1

4 Digital Power Factor Meter 1     E INDICATING LAMPS-LED type    Make - CGL approved vendors  1 BREAKER ON – Red, 110V, AC 1

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2 BREAKER OFF – GREEN, 110V, AC 13 AUTO TRIP INDICATION – Amber, 110V, AC 14 SPRING Charge Indication – Blue, 230V, AC 15 Trip Circuit Healthy with Push button- White, 110V, AC 16 R/Y/B - Phase Indication, 110V, AC 3     F ACCESSORIES    Make - CGL approved vendors  1 Panel Space Heater with Thermostat & switch 12 Panel Illumination Lamp with Switch 13 TNC Switch 14 Local Remote Switch Non-Lockable 15 MCB for DC supply isolation 16 Mechanical Counter 17 Auxiliary switch 4 NO + 4 NC 18 4-Window Annunciator 19 Anti Pumping Device 110 3 Pin Plug Socket, 230V, 10A 111 Power Pack- Rating: 110V AC- 24V DC 1G RELAYS  

  Make CGL  1 Specification    Four Pole Numerical Non- Directional IDMTL+INST, 3O/C+1E/F

relay C.T Sec:5A Model-CGI14N Make- CGL1

  Make: ER  2 Specification    Trip Circuit Supervision Relay, Model-XR351/B51 Make- ER 1  Make: ER/ASHIDA/CGL  3 Specification    Master Trip Relay, 1  Make: ER/ASHIDA/CGL  4 Specification    Auxiliary relay for WTI/OTI/Buchholz alarm & trip Relay, 1

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S PECIAL C ONDIT I ONS

1. All electrical work shall be carried out in compliance with specifications given hereunder in this section and in compliance with Indian Standard specifications and Indian Electricity Act and Rules in force. The works shall also conform to any special requirement of Local State Electricity Board. If any case, the above-mentioned rules, regulations etc. are not in accord, the division of the consultant Engineer-in-charge regarding rules to be followed or manner of execution of work shall be final and binding. The work shall be executed under the direct supervision of person holding a certificate of competency issued by the State Government (Chief Electrical Inspector) for the type of works involved in conformity with the best methods of modern engineering practice and to the entire satisfaction of the Consultant / Engineer-in-Charge. The contractor has to submit the test report at various stages of completion as per requirement of the client.

1.1 Work shall be executed through licensed electrical contractor approved bytheOwner /Architect /Electrical Inspect (Directorate of safety, Govt. of India)

1.2 These special conditions of contract shall be read in conjunction with theGeneralConditions of Contract, Schedule of Quantities, Technical Specifications, Drawings and other documents relating to the work and shall have preference over laid down general conditions and specifications.

1.3 Notwithstanding the sub-division of the documents into these separate sections and volumes, every part of each shall be deemed to be supplementary and complementary to every other part and shall be read with and into the contract, so far as it may be practicable to do so.

1.4 The contractors shall mobiles and employ sufficient resources to achievethedetailed schedule with in the broad frame work of the accepted methods of working and safety. The contractor shall provide everything necessary for the proper carrying out of the work, including tools, plants and other materials.

1.5 No additional payment will be made to the contractor for any multiple shiftworkorother incentive methods contemplated by him in his work schedules even though the time schedule is approved by the consultant /Engineer-in-Charge.

1.6 The work shall be executed as per the programmer drawn or approved bytheConsultant and it shall be so arranged as at site. No claim for idle labor shall be entertained nor shall any claim on account of the delay in the completion of the building work to be tenable except extension of time secured by the contractor as stated elsewhere.

1.7 The contractor shall permit free access and afford normal facilities and usual conveniences to other agencies or departmental workman to carry out connected work or other work services under separate arrangements. The contractor will not be allowed any extra payment on this account.

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1.8 All soil, filth or other matter of any offensive nature taken out of any trench, sewer drain, cesspool or other place shall not be deposited on the surface, nut shall at once at carted away by the contractor free of charge to a suitable pit or place to be provided to him.

1.9 The contractor shall provide all equipments / instrument labor and such other assistance required, by the Engineer-in-Charge for measurement of the work, materials etc.

M ATE RI ALS

All materials, equipment's, fittings and fixtures used in electrical works shall conform to the attached list of approved make of materials.

All material shall be new, soundly and robust in construction and well finished. Surplus material after completion of work shall be taken back by the contractor and the cost shall be recovered if the advance payment has been made earlier by the client.

Unless otherwise stated in the conditions of contract, of contract, samplesofallmaterials, fittings and fixtures to be supplies by the contractor shall be submitted to the consultant for his approval. The contractor shall not commence the work until the samples are approved, in writing from the consultant.

The contractor shall ensure that all the materials incorporated in the workareidentical in all respects with the approved sample. All samples notdestroyedintesting shall be returned to the contractor after completion of contract. No payment shall be made for samples destroyed in testing.

CLARIFICATIONS OF DISCREPANCIES

4.1 In case of any discrepancy between specifications and drawings etc. or disputes in respect, the interpretation and decision of the Engineer/ project-in-Charge shall be final and binding.

MISCELLANEOUS

5.1 After completion of the work the whole installation shall be tested by the contractor in the presence of the Engineer/ Project-in-charge. The tests shall comply the following I.E.E. Regulations and shall be submitted along with the final bill.

a) The result of the insulation test shall comply with the I.E.E. Regulations1101to11 08A and 1008 b, as may be applicable.

b) Test shall be carried out to ascertain that all the non-linked SP switches have been connected to the phase conductor.

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c) The continuity test of the earthling system shall comply with I.E.E. Regulations 1108 to 11109 to the latest addition.

If the results of the above tests does not comply with the I.E.E. Regulations,thecontractor shall be bound to rectify the faults so that the required results are obtained. The contractor shall be responsible to provide all the necessary testing instruments, such as megger, insulation tester, earth tester, multi meter, AVO meter etc. for carrying out the above tests. 10% of the installation cost will be deducted from the bill if the IR and earth resistance tests not carried out in presence of Engineer-in- Charge.

5.3 The work will not be considered as complete and taken over by the Employer till all the components of the work after being completed at site in all respects have been inspected / tested by the Engineer-in-Charge to his entire satisfaction and a completion certificate issued by the Owner’s Representative/Project Engineer/Project-in-Charge to this effect.

5.4 At the completion of the work and before insurance of certificate of virtual completion, the contractor shall submit 3 set of as built drawings with one reproducible of each drawing to Consultant layout drawingsdrawnatapprovedscale indicating the complete wiring / cabling / earthling system as installed.

5.5 The contractor will submit a detailed schedule of program of work, on demand of Owner’s Representative/Project Engineer/Project-in-Charge.

WORK AND WORKMANSHIP

6.1 The work shall be of the highest standard, both as regard its design and workmanship. Modern tools and first class, latest techniques shall be employed for its execution.

6.2 Any damage done to the building during the execution of work shall be responsibility of the contractor and it shall be made good by him, at his cost, to the entire satisfaction of the Owner’s Representative/Project Engineer/Project-in-Charge.

6.3 All electrical work shall be executed by skilled electricians under the direct supervision of whole time, fully qualified licensed electrical engineers and supervisors. The contractor shall produce requisite evidence regarding the qualification of the engineer, supervisors and other workers.

6.4 The contractor shall possess all the relevant and valid licensed as per the regulations of the Indian Electricity Rules and the Local Electrical Inspector's requirements.

6.5 The work shall have to be coordinated with the building work and other allied jobs/trades to the entire satisfaction of Engineer-in-Charge/Consultant.

CERTIFICATE OF INSPECTIO N

7.1 Complete scheme drawing for equipment's/earthling/cable layout/schematic drawing and

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other details as per requirements shall be prepared by the contractor and got approved by Owner’s Representative/Project Engineer/Project-in-Charge, before commencement of work. Nothing shall be payable to contractor on this account.

7.2 The contractor shall be responsible for getting the installation inspected and approved by the Electrical Inspector and other, local electric supply company, if required.

7.3 The contractor shall obtain and deliver to Owner’s Representative/Project Engineer/Project-in-Charge the certificate of final inspection and approval of the local electrical authorities concerned. The inspection fees etc. shall be borne by the contractor.

7.4 In case of any defects are pointed out by the CE Electricity Authority Inspector, the contractor shall remove these defects at his own cost and arrange for re-inspection or inspection by the electrical inspector, till such time the installation is finally approved and the required certificate is issued. The contractor shall bear all expenses and deposit the necessary fees for subsequent inspections by the CEA.

7.5 Owner’s Representative/Project Engineer/Project-in-Charge shall have full powers to get the material or workmanship etc inspected and tested by an independent agency, at the contractor's expenses in order to ascertain their soundness and adequacy.

7.6 The contractor shall be responsible for obtaining all necessary approvals for entire scheme from State Electrical Board before commencement of the work. All coordination with SEB shall be responsibility of contractor till commissioning and getting electricity in the complex and finally handing over the installation.

7.7 The contractor shall possess State Electrical Contractor's license and all the relevant and valid other licenses as per the regulations of the Indian Electrical Inspector's requirements.

7.8 Any amount to be deposited with the State Electrical Board shall be deposited by the contractor after observing necessary formalities required and take all follow up action for the same. However, the amount so deposited by the contractor will be reimbursed to the contractor on production of necessary and adequate documentary proof/records.

7.9 Working drawing for all system shall be prepared by the contractor & gotapprovedbefore starting of the work. (H.T. Panel / transformer / LT Panel & Sub Panel / Bus duct and Rising main)

8.0 Shop drawing for all system shall be prepared by the contractor & got approved before starting of the work. (Electrical / Telephone / Paging / T.V. / Fire alarm system).

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LIST OF APPROVED MAKES O F MATERIALS

1. TRANSFORMER CROMPTON GREAVES2. HT PANEL CROMPTON GREAVES3. HT CABLE POLYCAB/ HAVELLS4. CONTROL CABLE POLYCAB/ HAVELLS5. SOLDERLESS LUGS / FERRULES LAPP /DOWELL6. CABLE GLANDS LAPP /COMET 7. L.T. SWITCH BOARD L&T/SCHNEIDER8. L T. CABLE POLYCAB/HAVELLS9. ACB / MCCB L&T / SCHNEIDER

10. 11000 VOLTS CABLE LOINTS RAYCHEM / ANY EQUIVALENT / CABLE GLANDS / CABLE LUGS / DOWELLS

11. METERING ARRANGEMENT L & T /CONZERV / SECURE

12. INDICATINGLIGHTS, SELECTOR SWITCHES PUSH BUTTONS, ETC L &T / CONZERV

13. PROTECTION RELAYS GE POWER CONTROLS /AVKSEGC / CSPC

14. MCB LEGRAND

NOTE: Above makes of equipment are approved subject to their meeting the specifications.

The contractor however shall seek approval of specific make from Engineer-in-Chargebeforecommencing the work. The decision of Engineer-in-Charge shall befinal&bindingonthecontractor in their respect.

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Financial Bid(To be printed on bidder’s letterhead and submitted in a separate envelope)

External Electrical Works

S.NO.

DESCRIPTION OF ITEM UNIT QTY RATE AMOUNT

           Sub head

- ISUPPLY & INSTALLATION OF HT PANEL & TRANSFORMER        

           

ASupply of HT PANEL & TRANSFORMER        

             HT PANEL        1 Supplying H.V air insulated

distribution switchgear panel H.T board (which needs to be connect with existing HT panel) suitable for indoor installation for use on 11 KV 50 cycles earthed system having a symmetrical breaking capacity of 350 MVA at 11 KV comprising drawout triple pole vaccum circuit breakers rated 630A. Panel shall be equipped with the following accessories as per technical specifications. Make:CROMPTON GREAVES (BILL OF MATERIAL ENCLOSED Set 1    

           

2

Supply & delivery of 1000 KVA, 11000 / 433 volts delta / star, outdoor oil type naturally cooled Transformer with vector group Dyn II, and Off load tap changer of + 5% to - 15% on HT side in steps of 2.5% to give a constant supply of 433 volts on LT side the transformers to be provided with cable box on HT side to receive 3 core 185 sq.mm. XPLE cable and LT side bus bar chamber to receive LT side to require 6x 3.5x 300sq.mm XLPE cable complete as required. MAKE: CROMPTON GREAVES (TECHNICAL DETAILS ATTACHED) Set 1    

                

Total Part A:    

B Installation of HT PANEL & TRANSFORMER        

             HT PANEL        

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1

Installation of HT Panel & connecting to existing HT Panel (as per above details), testing and commissioning of below panels indoor HT board including grouting of channel iron, frame, assembly etc. as required as per site conditions. Set 1    

  Transformer        

2

Installation, testing and commissioning of above outdoor transformers on 100 mm x 50mm x 6 mm M.S channel to be embedded in cement concrete foundation including testing of installation of windings, dehydrating and filtration of oil of required and as per technical specification. Set 1    

  Approval for Electrical Inspector        

3

Charges for obtaining approval/NOC from the office of Electrical Inspector, Jaipur, (other than the fee levied by the Electrical Inspector's Office) for the HT electrical installations. Fees levied by the Office of Electrical Inspector will be reimbursed by the Institute on presentation of actual receipts / paid by the institute on receiving demand notice from the office. Set 1    

           

    

Total Part B:

           

C Supply & Installation of HT CABLE & CONTROL CABLE        

           

1Supply of 3x185 sq.mm. 11 KV grade XPLE insulated, PVC sheathed FRLS cable in ground as required. Meter 50    

           

2Laying, testing and commissioning of 3x185 sq.mm. 11 KV grade XPLE insulated, PVC sheathed FRLS cable in ground/sleeves/trench as required. Meter 50    

           

3

Providing cable termination for 3x185 sq.mm.11 KV grade XPLE insulated, PVC sheathed aluminum conductor cable including terminal joints, double compression lugs, hot shrink type terminations as required and complete in all respects Set 4    

           

4

Supplying, laying, testing and commissioning of control cable 10 core 1.5 sq.mm. PVC insulated copper conductor 1.1 kV grade, armored control cable in ground/trench/sleeves Meter 150    

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as required complete in all respect.           

    

Total Part C:

           D EARTHING                   

1

Supplying & Grounding Maintance free chemical filled earthing electrode 48mm x 3000mm including accessories & providing masonry enclosure with cover plate locking arrangement complete as required. Set 2    

           

2

Providing, laying in ground and on surface with saddles at required intervals and testing of 25 X 6 mm size of GI strip, including jointing of GI strips with Nuts and Bolts at required locations. Meter 25    

           

3Providing and fixing PVC shrinkable sleeve of required size for GI strip of size 25 X 6 mm, for earting strips from Transformer to Pit. Meter 10    

           

4Supply and installation of 1000 mm wide 25 mm thick rubber matting of approved make as per electricity rules .(HT Side) Meter 2    

           

5 P/L copper eathing strip of size 35 X 5 mm, as required for neutral earth Meter 40    

           

6

P/L copper plate earthing of size 600 X 600 X 5 mm, complete in all respect, as per specifications and accessories, watering pipe, etc, inc. masonry chamber & chamber cover, for transformer neutral earthing Nos 2    

     Total

Part D:  

  

TOTAL Sub Head- I Rs.  

           SUB-HEAD II: SUB-STATION LT SIDE WORKS        

           A L.T. PANELS        

 Supplying, erection and commissioning of following totally enclosed cubical type compartmentalized, indoor        

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mounting free standing, front operated, front access dust and vermin proof, (Ingress protection IP 42) switchboards fabricated from 2mm thick CRCA sheets with hinged, gasketted and lockable doors including the cost of powder coating of approved shade of minimum 50 microns film thickness on MS surface cleaned and prepared with 7 tank process and including the cost of interconnections, heavy duty aluminum crimping lugs, bonding to earth suitable for a fault level of 25 MVA symmetrical at 415 volts, including connecting to exisiting LT panel via aluminum bus bars of suitable size.

 All switchboards shall have provision for entry of cables from the top or bottom as required.        

 All live accessible parts shall have provision for entry of cables from the top or bottom as required.        

 

All live accessible parts shall be shrouded and all equipment shall be finger touch proof. The busbars insulation shall be with heat shrinkable sleeves. SMC / DMC shrouds and busbar supports shall be used. Padlocking facility shall be provided on all outgoing feeders doors and switch handles shall be lockable in OFF position.        

  All kA rating indicated figures are Ics value        

a.1 PROPOSED NEW LT PANEL          INCOMER - 1 ( New Tr. ) - 1000 KVA        

 

1 No. 1600A, 4 pole Microprocessor based motorized draw out type ACB (50 KA) with U/V, shunt release, with a minimum of 6 NO & 6 NC Auxiliary contacts.        

  INDICATING PANEL        

  Incomer shall have the following indicating panel.        

 96mm sq. flush voltmeter scaled 0-500 volt with 3 way and OFF selector switch.        

  Three nos. 1600/5 class 1.0 accuracy 15 BA burden C.T.s for metering.        

 96 mm square flush ammeter scaled 0-1000 amps with 3 way and OFF selector switch.        

  Three phase indicating lights.          1 Set O/V,O/C, E/F relay numerical        a.2 INCOMING -2 DG PANEL        

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1 No. 1000A, 4 pole Microprocessor based motorized draw out type ACB (50 KA) with U/V, shunt release, with a minimum of 6 NO & 6 NC Auxiliary contacts.        

  INDICATING PANEL        

  Incomer shall have the following indicating panel.        

 96mm sq. flush voltmeter scaled 0-500 volt with 3 way and OFF selector switch.        

  Three nos. 1000/5 class 1.0 accuracy 15 BA burden C.T.s for metering.        

 96 mm square flush ammeter scaled 0-1000 amps with 3 way and OFF selector switch.        

  Three phase indicating lights.          1 Set O/V,O/C, E/F relay numerical        a.3 Bus Coupler - 1        

 

1 No. 1600A, 4 pole Microprocessor based motorized draw out type ACB (50 KA) with U/V, shunt release, with a minimum of 6 NO & 6 NC Auxiliary contacts.        

  INDICATING PANEL        

  Incomer shall have the following indicating panel.        

  Three phase indicating lights.          1 Set O/V,O/C, E/F relay numerical        a.4 Bus Coupler - 2        

 

1 No. 1600A, 4 pole Microprocessor based motorized draw out type ACB (50 KA) with U/V, shunt release, with a minimum of 6 NO & 6 NC Auxiliary contacts.        

  INDICATING PANEL        

  Incomer shall have the following indicating panel.        

  Three phase indicating lights.          1 Set O/V,O/C, E/F relay numerical        a.5 Bus Coupler - 3        

 

1 No. 1600A, 4 pole Microprocessor based motorized draw out type ACB (50 KA) with U/V, shunt release, with a minimum of 6 NO & 6 NC Auxiliary contacts.        

  INDICATING PANEL        

  Incomer shall have the following indicating panel.        

  Three phase indicating lights.          1 Set O/V,O/C, E/F relay numerical        a.6 Bus Bar        

 1600A TPN aluminum Bus Bars with heat shrinkable colored insulated PVC sleeves.        

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a.7 OUTGOING UNITS          1600 A TPN ACB (35 KA) -2 no.          630A TPN MCCB (35 KA) - 1 nos.          400A TPN MCCB (35 KA) - 1 nos.          320A TPN MCCB (35 KA) - 2 nos.          250A TPN MCCB (35 KA) - 6 nos.        a.8 ELECTRICAL INTERLOCKING        

 

Electrical interlocking of all sources and bus couplers, including providing & fixing of UV-Shunt relays, auxiliary contacts, control wiring, MCB's for control wiring, etc. as per requirement complete. Set 1    

                      

B

Supplying, erection and commissioning of the following integrated cubical type indoor automatic switching "ON" and "OFF" control panel with dust vermin proof lined lockable doors complete with interconnection stepped relays contractors Push button and CTS complete with a capacitor bank as per specification (suitable for 400/440V 3 phase 50 C/S supply system) as required (Capacitor Panel)        

  INCOMING        

a) 630A 4P MCCB -1 No.        

b)PHASE INDICATION lamps each backed up with 5A unit to indicate that the unit is "ON" - 12 Set        

c)Indication lamp to each 50 KVAR capacitor unit to indicate that the unit (LL type) is" ON" - 3 Nos.        

d)Indication lamp to each 25 KVAR capacitor unit to indicate that the unit (LL type) is" ON" - 3 Nos.        

e)Indication lamp to each 15 KVAR capacitor unit to indicate that the unit (LL type) is" ON" - 3 Nos.        

f)Indication lamp to each 10 KVAR capacitor unit to indicate that the unit (LL type) is" ON" - 3 Nos.        

g) 0-500V voltmeter with 3 way and off selector switch        

f) 630/5A CTS Ratio -1 Set.        

g) Stepped relay with 12 steps -1Set.        

h) Power factor meter -1 Set.        

  Outgoings        

a) 200A MCCB with contractor to each 50 KVAR capacitor -3 Nos.        

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b)63A MCCB with contractor to each 25 KVAR capacitor -03 Nos.        

c)40A MCCB with contractor to each 15 & 10 KVAR capacitor -06 Nos.        

d)Push button stations "RED" and "GREEN" push button for manual operation of contractor - 19 Set        

e) Automation switching "ON" and "OFF" control panels as described above        

f) 50 KVAR capacitor bank -3 Nos.        

g) 25 KVAR capacitor bank -3 Nos.        

h) 15 KVAR capacitor bank -3 Nos.        

i) 10 KVAR capacitor bank -2 Nos.        

j) 05 KVAR capacitor bank -3 Nos.        

k) All interconnections from bus bar to connectors and connectors to terminal Set 1    

  

 

Total Part A &

B:    C L.T. CABLES (XLPE )        

1

Supplying, Laying, testing, commissioning and of following sizes of XLPE insulated armored aluminum conductor power cable of 1.1 KV grade in ground / trench / tray / pipe including the chasing of wall / digging the trench and back filling making good the damages, complete as required        

a) 3-5 x 300 sq.mm Meter 2500    

2

Supplying and making end termination with double compression ,brass compression gland including providing and crimping with aluminum solder less lugs/ ferrules for XLPE insulated armored power aluminum conductor cable of 1.1 KV grade as required.        

a) 3-5 x 300 sq.mm Each 10    

     Total

Part C:    D Miscellaneous        

1

Providing and laying 250 mm dia Class III uPVC pipe, after cutting and dismantling of PCC and digging upto the level upto existing trench in Sub-Station, and back filling, repairing and making good as required, for laying of LT cable from DG foundation to LT Panel in Sub-Station. Meter 20    

2 Supply and installation of 1000 mm Meter 30    

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wide 25 mm thick rubber matting of approved make as per electricity rules .(LT Side)

     Total

Part D:    

 

  SUB - HEAD II TOTAL Rs.      

           SUB-HEAD III

External Feeder Panels & LT Cabling        

             Feeder Pillars        

A

Supply, installation, testing and commissioning of cubicle type, LT outdoor feeder pillar, double door fully compartmentalized, dust and vermin proof, made out of 2 m.m. thick CRCA sheet steel, floor mounted, free standing, lockable, confirming to IP- 54, mounted on finished brick foundation, powder coated/ epoxy painted, cable entry from bottom, with following configuration- (FP)        

1 F.P - L&P          INCOMER        

  1600 A 4P MCCB - 1 No.        

  1600A, TPN Aluminum bus bar.          50 x10 sq. m.m. Aluminum earth bus.          OUTGOING          250 A 4P MCCB - 3 Nos.          630 A 4P MCCB - 5 Nos.        

  Suitable cable gland for 3.5Cx 300 sq. mm. Set 1    

B

Supply, installation, testing and commissioning of cubicle type, LT outdoor feeder pillar, double door fully compartmentalized, dust and vermin proof, made out of 2 m.m. thick CRCA sheet steel, floor mounted, free standing, lockable, confirming to IP- 54, mounted on finished brick foundation, powder coated/ epoxy painted, cable entry from bottom, with following configuration- (FP)        

1 F.P - A/C          INCOMER        

  1600 A 4P MCCB - 1 No.        

  1600A, TPN Aluminum bus bar.          50 x10 sq. m.m. Aluminum earth bus.        

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  OUTGOING          800 A 4P MCCB - 4 Nos.          125 A 4P MCCB - 1 Nos.        

  Suitable cable gland for 3.5Cx 300 sq. mm. Set 1    

C EARTHING        

1

Supplying & Grounding Maintance free chemical filled earthing electrode 48mm x 3000mm including accessories & providing masonry enclosure with cover plate locking arrangement complete as required. Set 16    

2Providing and laying GI strip 25 mm x 6 mm in recess for connection etc. as required. Meter 150    

3 P/L copper eathing strip of size 35 X 5 mm, as required for neutral earth Meter 300    

4

P/L copper plate earthing of size 600 X 600 X 5 mm, complete in all respect, as per specifications and accessories, watering pipe, etc, inc. masonry chamber & chamber cover, for transformer neutral earthing Nos 6    

           

    

Total Part A &

B:    

 

 

SUB - HEAD III TOTAL Rs.      

           

   Net total      

Warranty: Standard warranty as given by the manufacturer on the breakers shall be clearly

mentioned in the technical bid. Warranty on the installation and other accessories including electric panel shall be of

minimum of 01 year.

Other tender and Conditions:

1. Taxes like GST shall be clearly mentioned. If nothing is mentioned, these charges shall be deemed included.

2. Any packing, forwarding and transit insurance charges are to be clearly specified. If nothing is mentioned, these charges shall be deemed included.

3. Bid should be submitted for F.O.R delivery at the destination i.e. The LNM Institute of Information Technology, Gram – Rupa Ki Nangal, Post – Sumel, Via – Jamdoli, Jaipur- 302031

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4. Bid should be va l id fo r a minimum period of 30 days.5. The LNMIIT reserves the right to reject any quotation(s) without assigning any reasons.6. Payment terms shall be decided mutually.7. There should not be any conflict of interest.8. Bid should be on company’s letterhead.

All charges applicable shall be clearly mentioned with the offer. If nothing is mentioned in the offer, the quoted price shall be treated as final and nothing extra shall be paid extra.

Signature with seal