NOTICE INVITING EXPRESSION OF INTEREST

Transcription

1 TRIPURA STATE ELECTRICITY CORPORATION LIMITED (A GOVT OF TRIPURA ENTERPRISE) NOTICE INVITING EXPRESSION OF INTEREST NIEOI. DGM/TCD/15-16/04 Date: 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. 0

2 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: Sl Existing Voltage Rating & Vector Group 33/11- KV (Dyn-11) Voltage rating required after conversion & Vector Group Existing Rated Capacity 33/11 KV(Dyn-11) 3.0 MVA TOTAL Repairing capacity 3.0 MVA Qty. (.) 1 Carrying TO & FRO Location Location for from where installation to be lifted after repairing Tripura Jute Mill, Amtali Tripura Jute Mill, Amtali 1 Bidders are advised to visit site to assess the job completely and also to inspect the damaged Power Transformers at their own expenses. 1

3 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 be decided. 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) ii) iii) iv) v) vi) Valid license for repairing / manufacturing of Power Transformer. Valid insurance certificate to cover fire, burgling, riots etc to the unit. IT/CST/VAT registration certificate along with clearance certificates. Evidence for repairing of Power Transformer during last five years. List of testing equipments available at works & copies of valid calibration certificates from the Govt. Testing Laboratory. 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. 2

4 Essential Testing Facilities: The intending bidder should have the following testing facilities at their works: HV test Winding Resistance Measurement BDV value of Transformer Oil Vareiac DVDF 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 nonresponsive 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 tarized 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 (Rupees Fifty) only, duly signed by the bidder(s) and notarized by Government approved tary, 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 tarized 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. 3

5 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 tification 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 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. 4

6 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 incharge. 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-soever 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 29 per unit basis. 5

7 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. 6

8 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) ii) iii) iv) v) vi) vii) Measurement of winding resistance. Measurement of Insulation resistance Ratio, Polarity & Phase relationship. Induce over voltage withstand (DVDF). Separate source voltages withstand (High Voltage). Magnetic Balance test 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 Manager Testing & Communication Division SLDC Building, TSECL 79 Tilla, Agartala, Tripura (West). Pin Ph

9 WORK SCHEDULE Name of work: - REPAIRING/OVERHAULING OF 3.0- MVA 33/11-KV POWER TRANSFORMER OF TRIPURA JUTE MILL LTD Sl.. Rate in Rupees Unit For 33-KV, Voltage Class Description of works 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. 10 Repair of Off load Tap Switch Job KV EHV Bushing KV HV Bushing 13 Brass Stud with Nuts 52 KV 14 Brass Stud with Nuts 17.5 KV 15 Arcing Horn Assembly for 72.5 KV Bushing Phase separator with insulation between coils New transparent type silica gel breather. (5-kg) Per set 18 Buchholz relay (with alarm & trip contact) 19 Radiator Shut off valve 20 Oil level indicator. 8

10 21 22 Miscellaneous items like insulating paper, cotton Tap, Weaving Taps, SRBP Tube, Sleeving etc. Repairing of (i) tank by welding (ii)radiator Kg 23 ED/CST/VAT on material Per inch Per inch Per inch % 24 Labour charges for Repairing of the transformer LS 25 OVERHAULING: Opening of the transformer top Per cover, dismantling of Fittings, accessories as required, unit 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, drying out of moister, re-filling of T.Oil, heat run to attain appropriate value, testing, checking, Painting of tank body etc as required. To and fro Transportation of the Transformer Charges for Transportation weight without oil. (From (Jute Mill to Repairing works to Back at Jute Mill) (iii) Conservator, Cost of old scrap copper to be retained by repairer ( owner will not take back old scraps) Cost of other scraps ( replaced by new one) to be retained by repairer Insurance premium for a sum assured of Rs lakh against transit damage, loss, theft etc while taking the transformer for repair at works site and returning back to site after repair. kg kg Per Unit 9