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NOTICE INVITING EXPRESSION OF INTEREST

NIEOI No. DGM/TCD/15-16/04 Date: 16.01.2016

Name of work:- Repairing/Overhauling of 3.0- MVA 33/11-KV Power Transformer of “TRIPURA JUTE MILL LTD”.

Completion Period :- 120 (One hundred twenty) Days.

Certified that the DNIEOI contains 9 (Nine) pages excluding cover page.

Dy. General Manager Testing & Communication Division

TSECL, 79-Tilla, Agartala.

TRIPURA STATE ELECTRICITY CORPORATION LIMITED(A GOVT OF TRIPURA ENTERPRISE)

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NOTICE INVITING EXPRESSION OF INTEREST TRIPURA STATE ELECTRICITY CORPORATION LIMITED

NOTICE INVITING EXPRESSION OF INTEREST

Sealed bid offer in Two – Part – System is invited from the competent and experienced

Tripura State Based Local Transformer Manufacturers /repairers for

Repairing/Overhauling of 3.0- MVA 33/11-KV Power Transformer of “TRIPURA JUTE

MILL LTD” in compliance of the EOI for the following work of Tripura State Electricity

Corporation:-

Name of work: - Repairing/Overhauling of 3.0- MVA 33/11-KV Power Transformer of

“TRIPURA JUTE MILL LTD”.

Brief Scope of Work: -

The following is the rating, vector group etc of the damaged Power Transformer:Carrying TO & FRO

Sl.

No.Existing Voltage Rating & Vector

Group

Voltage rating required after conversion & Vector Group

Existing Rated

Capacity

Repairingcapacity Qty.

(No.)

Locationfrom where to be lifted

Location for installation

after repairing

133/11- KV (Dyn-11)

33/11 KV(Dyn-11) 3.0 MVA3.0 MVA

1Tripura Jute Mill, Amtali

Tripura Jute Mill, Amtali

2 TOTAL 1

Bidders are advised to visit site to assess the job completely and also to inspect the damagedPower Transformers at their own expenses.

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QUALIFICATION REQUIRMENT:-

Necessary information about the financial and technical resources, organization and experience

shall have to be provided by the Tenderer, as an evidence of his capability for satisfaction of the

Owner (TSECL), obtained from the reputed Indian Power utility/TSECL, for similar nature

of work to undertake the repairing as indicated in the name of work of Power Transformer.

Bidder shall submit along with his tender list of major contracts for repair and installation of

Power Transformer having rating 3.0 MVA and 33- KV voltage class executed/ being executed

by him giving detailed particulars such as quantity, equipment rating, contract value, name of the

Owner, year of commissioning etc along with the documentary evidence. (Obtained from the

reputed Indian Power utility/TSECL).

Technical bid:-The mentioned power transformer has to be transported in the works of the approved repairer for inspection, preliminary investigation, if required un-taking as per direction of the engineer in charge and thereafter according to findings “Repairing or Overhauling” shall have to bedecided. Repairing/Overhauling should be of such standard that the repaired transformer should pass the required tests of the relevant ISS. Repairing of transformer has to be done mandatorily with the full replacement of existing windings by new HV & LV coils both.

Documents:-The following document’s Xerox copy duly self -attested is to be submitted.

i) Valid license for repairing / manufacturing of Power Transformer.ii) Valid insurance certificate to cover fire, burgling, riots etc to the unit.iii) IT/CST/VAT registration certificate along with clearance certificates.iv) Evidence for repairing of Power Transformer during last five years.v) List of testing equipments available at works & copies of valid

calibration certificates from the Govt. Testing Laboratory.vi) List of repairing machineries available at works.

Documents in addition to the above in respect of Financial Capabilities of the Bidders shall be asked for submission in later course of time.

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Essential Testing Facilities:

The intending bidder should have the following testing facilities at their works:

1. HV test 2. Winding Resistance Measurement 3. BDV value of Transformer Oil4. Vareiac 5. DVDF 6. Digital IR Tester

The bidder should submit the list of testing facilities available at their work attach with the bidding documents. The bidders who do not have the aforesaid testing facilities shall be treated as non-responsive bid and shall be liable for disqualification.

GENERAL INSTRUCTIONS TO THE BIDDERS

Bid Evaluation Procedure:

The price bid offer of the successful bidder(s) in the pre-qualification part will only be

considered. Evaluation will be done on per unit cost basis for the total schedule less the cost of

scrap.. The lowest bid will be worked out based on total per unit cost including ED, CST, and

Service Tax less cost of per unit scrap materials. Item wise per unit rates have been asked only

for at works repairing & conversion.

Submission of “Affidavit Notarized” declaration:

The work awarded to the agency needs to be completed in a be-fitting manner. Therefore it is the complete liability of the bidder(s), if being selected for the work to be carried out, to ensure delivery of the repaired Transformers at F.O.R destination mentioned by TSECL. The EOI offer received from the participant bidder(s) must be incorporated with an “affidavit” declaration on stamp paper of Rs 50.00 (Rupees Fifty) only, duly signed by the bidder(s) and notarized by Government approved Notary, clearly accepting the liabilities for return/delivery after repairing of the Transformers at TSECL’S F.O.R destination. Declaration should also be incorporated, accepted and signed by the bidder(s) with the statement that in case any failure to comply the EOI Clauses, follow up legal proceeding shall be within the jurisdiction of “Tripura High Court” at Agartala, Tripura. In case any bidder(s) fails to submit the “Notarized” declaration along with the EOI offer in sealed cover, the said bidder(s) shall be treated as non-responsive and shall be summarily declared as cancel bid.

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AWARD OF CONTRACT

AWARD CRITERIA

TSECL shall award the Contract to the successful Bidder whose bid has been determined to be substantially responsive and has been determined as technically acceptable and lowest evaluated package Bid, provided further that the Bidder is determined to be qualified to perform the Contract satisfactorily. TSECL shall be the sole judge in this regard.

OWNER’S RIGHT TO ACCEPT ANY BID AND TO REJECT ANY OR ALL BIDS

TSECL reserves the right to accept or reject any bid, and to annul the bidding process and reject all bids at any time prior to award of contract, without thereby incurring any liability to the affected Bidder or Bidders or any obligation to inform the affected Bidder or Bidders of the grounds for such action.

NOTIFICATION OF AWARD

Prior to the expiration of the period of bid validity and extended validity period, if any, TSECL shall notify the successful Bidder in writing by registered letter or FAX, to be confirmed in writing by registered letter, that his Bid has been accepted.

The Notification of Award/Letter of Award shall constitute the formation of the Contract.

Agreement:

An agreement will be concluded with the successful bidder within 15(fifteen) days of placement

of work order by the owner.

Guarantee:

The successful bidder shall provide guarantee of work for the repaired transformer(s) towards commissioning of the transformer for a period not less than 1(One) year from the date of commissioning at site after repair of the transformer.

As a compliance of the guarantee clause as stated above, the CPG (Contract Performance Guarantee) shall not be released and accordingly the validity of the CPG shall have to provide by the approved bidder.

Performance Guarantee:

On award of work the successful bidder shall be required to furnish a contract performance guaranty @ 10% of the LOA value in the shape as detailed below:

a. 50% of Contract Performance Guarantee (CPG) in the shape of Bank Guarantee (BG) from any schedule Bank guaranteed by Reserve Bank of India favouring TRIPURA STATE ELECTRICITY CORPORATION LIMITED payable at Agartala.

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b. Balance 50% amount will be deducted from running bills on pro-rata basis or minimum 10% of the balance amount whichever is higher from each bill till full realization of Contract Performance Guarantee (CPG) & this deduction shall be completed before processing of final bill .

Validity of Offer: 180 (One eighty) days from the date of opening of the bid.

Terms of Payment:

90 % payment will be paid, on successful repairing, testing at works, and transportation of the

transformer at the owners substation site i/c successful commissioning subject to submission of

bill / invoice by the bidder. Balance 10% will be paid after successful running of the transformer

continuously for at least 2(two) months w.e.f the date of commissioning.

Erection: The successful bidder/repairer is responsible for erection i/c fitting fixing of all

accessories of the repaired transformer(s) after delivery at destination site and no extra

charge/cost shall be paid for the same. This should be done as per direction of the engineer in-

charge. TSECL shall not bear any liability on this account.

Commissioning: Commissioning shall be done by TSECL, subject, to presence of bidder(s)

testing/technical representative

Performance Guarantee Deposit Release:

Performance Guarantee Deposit can be made through a bank guarantee while concluding

agreement as per the pro-forma of the owner and shall be released after successful execution of

the agreement.

Insurance against Loss, Theft, Damage, Transportation etc:

The successful bidder should have to required to take the transformer to their works for

repairing, has to make insurance coverage policy for a sum assured not less than rupees

Thirty lac in favour of the owner along with an Indemnity Bond. The premium what-so-

ever shall be borne by the successful bidder. This is applicable for both To-&-Fro

transportation. The successful bidder shall understand the true spirit of the clause and the value

of premium shall be quoted in Item No 29 per unit basis.

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INSPECTION OF TRANSFORMER AT WORKS FOR ASSESSMENT OF SCOPE OF REPAIRING/CONVERSION

On receipt of the award of Contract (LOA), the approved bidder has to sign the agreement with

TSECL’s concerned authority and will arrange to lift, carriage of the offered transformers up to

the destination of the repairing works safely by road transport as per schedule of item. Thereafter

the firm must have to invite TSECL for “Physical & Internal Inspection” of the referred

transformer(s) to ascertain the quantum of work involved to complete the job.

The “Physical & Internal Inspection” shall have to be done in presence of TSECL’s officials

in the following manner:

i. Un-tanking & lifting of core-coil assembly

ii. Dismantling of Core Coil assembly.

iii. Finalization of Copper wire weight (HV & LV) existing windings.

iv. Once the existing winding copper weight is finalized, existing winding coil (HV &

LV) must be cut into at least two or more pieces to ascertain scrap copper/ to avoid

re-cycling.

v. Finalization of other physical requirements shall also be done as per schedule of

items.

After completion of the above, “Memorandum of Minutes (MOM)” has to be signed in

between the Firm & TSECL’s inspecting official(s).

Price:-

Rates should be quoted as per “WORK SCHEDULE” & must be Firm, FOR at Destination and inclusive of all applicable taxes. The bidder should quote for all items of the schedule. However requirement of items shall be determine by actual physical & internal inspection i.e which items are required and which are not required shall fixed after actual physical & internal inspection. Accordingly MOM has to be finalized.

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PRE-DESPATCH TESTING OF TRANSFORMER

Pre-despatch Testing of transformer(s) after repair shall be conducted as per work schedule. Following tests are to be carried out by the repairer in presence of TSECL representatives during pre-desptach inspection at works of the bidder (Repairer):

i) Measurement of winding resistance.ii) Measurement of Insulation resistanceiii) Ratio, Polarity & Phase relationship.iv) Induce over voltage withstand (DVDF).v) Separate source voltages withstand (High Voltage). vi) Magnetic Balance testvii) Transformer Oil BDV test.

Pre-Commissioning Testing: Pre-commissioning testing has to be done as per standard practice

(as per possible of CBIP Manual) at Owner’s site.

Period of Completion: 240( Two hundred and forty) days, and shall be reckoned from the date

of issue of Letter of Confirmation/ LOA/Work Order.

Liquidated Damages

If the bidder fails to successfully complete the re-commissioning of the transformer within the time fixed under the Contract, the bidder shall pay to TSECL as liquidated damages and not as penalty a sum specified for each specified period of delays as below.The liquidated damages for delay in complete the work in all respect and re- commissioning of transformer within the time fixed under the contract shall be 1% (one per cent) of the contract price of the whole work per week or part thereof.

The total amount of liquidated damages for delay under the Contract will be subject to a maximum of 5% of the Contract price for maximum 120 days delay exceeding stipulated completion period, beyond that imposition of percentage of LD lies at the discretion of TSECL. TSECL reserves all right to reject or accept any or all offers without assigning any reason there off.

Address for Communication All communication / correspondences including purchase of EOI document shall be made / available with: - The Deputy General ManagerTesting & Communication DivisionSLDC Building, TSECL79 Tilla, Agartala, Tripura (West).Pin – 799006. Ph. No. 03812359352

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Name of work: - REPAIRING/OVERHAULING OF 3.0- MVA 33/11-KV POWER

TRANSFORMER OF “TRIPURA JUTE MILL LTD”

Sl. No. Description of works UnitRate in Rupees

For 33-KV, VoltageClass

01 02 03 04

1 New HV copper conductor Kg

2 New LV copper conductor Kg

3 Insulation of new HV copper conductor Kg

4 Insulation of new LV copper conductor Kg

5 New insulting press board kg

6 New EHV Grade Insulating Oil (Transformer oil) Ltr

7 Filtration charges for new EHV grade transformer oil Ltr

8 New gaskets appropriate grade m2

9 New Off load Tap Switch No.

10 Repair of Off load Tap Switch Job

11 52 KV EHV Bushing No

12 17.5 KV HV Bushing No

13 Brass Stud with Nuts 52 KV No

14 Brass Stud with Nuts 17.5 KV No

15 Arcing Horn Assembly for 72.5 KV Bushing No

16 Phase separator with insulation between coils Per set

17 New transparent type silica gel breather. (5-kg) No

18 Buchholz relay (with alarm & trip contact) No

19 Radiator Shut off valve No

20 Oil level indicator No.

WORK SCHEDULE

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21 Miscellaneous items like insulating paper, cotton Tap, Weaving Taps, SRBP Tube, Sleeving etc.

Kg

22 Repairing of (i) tank by welding

Per inch

(ii)Radiator Per inch

(iii) Conservator , Per inch

23 ED/CST/VAT on material _________ %

24 Labour charges for Repairing of the transformer LS

25 OVERHAULING: Opening of the transformer top cover, dismantling of Fittings, accessories as required, lifting and untanking of the core-coil assembly, removal of all sludge, cleaning as required, testing, checking of core-coil assembly, resetting of the core coil assembly inside the tank , fitting fixing of the accessories, dryingout of moister, re-filling of T.Oil, heat run to attain appropriate value, testing , checking, Painting of tank body etc as required.

Per unit

26 To and fro Transportation of the Transformer Charges for Transportation weight without oil. (From (Jute Mill to Repairing works to Back at Jute Mill)

27 Cost of old scrap copper to be retained by repairer( owner will not take back old scraps)

kg

28 Cost of other scraps ( replaced by new one) to be retained by repairer

kg

29 Insurance premium for a sum assured of Rs 30.00 lakhagainst transit damage, loss, theft etc while taking the transformer for repair at works site and returning back to site after repair.

Per Unit