Clarification of Kulaora Sherpur

8/2/2019 Clarification of Kulaora Sherpur

1/36

POWER GRID COMPANY OF BANGLADESH LIMITED

Design, Supply, Erection, Testing & Commissioning of Two New 132/33kV Air Insulated Switchgear

(AIS) Substation at Kulaora and Sherpur on Turnkey Basis[Contract No. PGCB/SS/132/Kul-Sher/01]

CLARIFICATION NO. 1

Pre-bid meeting was held on 16 January, 2012 as per clause 7.4 of Instruction to Bidders of Volume 1 of 3 of the Biddingdocument. Clarifications to the queries received from the prospective bidders on, before and after the Pre-bid meetingare given below, which will form part of the Bidding documents. Attendance Sheet of the meeting is enclosed.

SN. Reference and Queries of Prospective Bidders Reply (PGCB)

1 Volume 3 of 3, Bid Data Sheet, Schedule AThe scope includes 3 Nos. of 2000A, 33kV isolatorsare mentioned. However, as per SLD DrawingNos.PGBD/DESIGN/2011/K-S/E-01 &PGBD/DESIGN/2011/K-S/E-02, 4 Nos. of 1600A &1 No. of 2500A, 33 kV Isolators are required. Kindly

confirm the requirement.

3 sets of 33kV, 2000A Isolators without earthswitch are required for each new Substation.The Single Line Diagrams (SLD) of the biddocument are revised.

Please refer to item no. 14 of Addendumno.-1.

2 Kindly furnish following data for Kulaora andSherpur SS-

o Conductor type & configuration to be usedfor 132kV & 33kV equipmentinterconnection.

o Conductor type & configuration for 132kV

& 33kV main bus.o Conductor type & configuration for 132kV

& 33kV bays jack bus, jumpers & droppers.

Conductor for main Busbar132kV & 33kVshall be Twin FINCH(1113mcm) ACSR.

Conductor for jack bus, equipmentconnection and droppers for 132kV & 33kVshall be single FINCH(1113mcm) ACSR.

3 Kindly confirm whether the isolators shall beElectrically ganged operated (Individual operatingbox for all phases) or Mechanically ganged operated(One operating box for 3 pole operation) for the

Kulaora and Shepur SS.

All isolators shall be Mechanically gangedoperated.

4 Kindly confirm whether 132kV & 33kV isolator earthswitches shall be manual operated or Motor operatedfor Kulaora and Shepur.

132kV & 33kV isolator earth switches shallbe manual operated.

5 132kV & 33kV control & relay panels will be installed Confirmed


2/36

7 Control room building Floor plan is provided onlyfor first floor. Kindly furnish floor plan for ground

floor also.

Provision for one store room for spares/toolsand one staff waiting room with toilet facility

are to be considered in the Ground floor ofthe main control building.

8 Details for earthing conductors to be used for mainearth grid, risers, equipment & structure earthing,panel earthing etc. is not mentioned in Biddingdocuments. Kindly Furnish.

Please refer to section-7 of volume 2 of 3 ofthe bid document.Earthling system shall be designed accordingto the specification of the bid document andthe result of soil resistivity test conducted atthe time of detail engineering after contractaward.

The preliminary bid design shall be based ona value of 100 ohm meter soil resistivity asstipulated in the bid document.

9 For Extension of Existing 132 kV AIS SS at Jamalpur:Volume 3 of 3, Schedule A

As per the scope of work and SLD; 2 Nos. of 2000AIsolators without ES are required for bus coupler

bay. However, these isolators are not included inprice schedule. Kindly confirm.

The price schedule is revised.Please refer to item no.17(i) of the

Addendum no.-1.

10 Volume 3 of 3, Schedule AAs per the scope of work and SLD, 6 Nos. of 2 core132kV CTs are required for bus coupler bay and 6Nos. 4 core 132kV CTs are required for line bays.However, in price schedule additional 15 Nos. 4 core

CTs are indicated. If CTs for existing bays are to bereplaced with these 15 nos CTs then dismantling forexisting CTs and scope for structures & foundationsfor these additional CTs need to be confirmed whichis not mentioned either in scope or price schedule.Kindly confirm.

For 15 nos. of existing CTS;Dismantling of the existing CTs & structures,supply of new CT with new structures andmodification of the existing CT foundations

are to be considered under this tender scope.

Please refer to item no.17(ii) of theAddendum no.-1.

11 Kindly furnish following data for Jamalpur SS -

* Conductor type & configuration to be used for132kV equipment interconnection.* Conductor type & configuration for 132kV mainbus.* Conductor type & configuration for 132kV bays jack

Conductor for existing main Busbar132kV issingle MALLARD (795mcm)ACSR.

Conductor for existing jack bus, equipmentconnection and droppers are singleGROSSBEAK (636mcm) ACSR.


3/36

13 Kindly confirm whether 132kV & 33kV isolator earthswitches shall be manual operated or Motor operatedfor Jamalpur Substation.

132kV isolators shall be motor operated andearth switches shall be manual operated forJamalpur SS.No 33kV isolators is required for JamalpurSS.

14 We presume that all 132kV control & relay panels willbe installed in existing control room and enoughspace is available in control room for JamalpurSubstation.

132kV control & relay panels shall beinstalled in the existing control room. Someminor modification like dismantling/remakingof partition wall, floor & wall re-finishing etc.

15 Details for earthing conductors to be used for main

earth grid, risers, equipment & structure earthing,panel earthing etc. is not mentioned in Biddingdocuments. Kindly Furnish.

Please refer to section-7 of volume 2 of 3 of

the bid document.Earthling system shall be designed accordingto the specification of the bid document andthe result of soil resistivity test conducted atthe time of detail engineering after contractaward.The preliminary bid design shall be based ona value of 100 ohm meter soil resistivity asstipulated in the bid document.

16 Kindly furnish soil investigation report for existingsubstation with details such as safe bearing capacityfor soil, soil strata etc. to assess the civil quantities.Also kindly confirm whether pile foundations areenvisaged for Jamalpur substations.

Soil investigation report for existingsubstation with details are not available.Bidders may carryout investigation at theirown responsibility.

17 As per price schedule, civil items for modification of

existing control room has been mentioned. Kindlyfurnish detailed information about the modificationwork for Jamalpur Substation.

Some minor modification likedismantling/remaking of partition wall, floor &wall re-finishing etc.

18 Vol. 2/3 Drg No. PGCB/DESIGN/2011/K-S/E-06

Please provide us the section and layout drawing ofexisting Jamalpur 132kV instead of foundationdrawing.

The sections and equipment layout drawingsare not available now. Bidders may visit thesite.

19 Vol. 2/3 Drg No. PGCB/DESIGN/2011/K-S/E-10,Drg No. PGCB/DESIGN/2011/K-S/E-11, Drg No.PGCB/DESIGN/2011/K-S/E-12There are 110V and 48V DC distribution scheme andLV AC di ib i h f b h K l d

The existing LVAC and DC distribution board


4/36


5/36

24 Vol. 3/3 Schedule A, SA-22, SA-23, SA-24In the schedule A, SA-23 is omitted. Please provide it.For current transformer and voltage transformer thetechnical details of SA-22 and SA-24 including ratio,number of cores, accuracy class and burden etc. doesnot correspond with drawings and technicalspecification.Please clarify the technical requirement for currenttransformer and voltage transformer in this scope.

The missing page SA-23( rev.1) is attachedherewith.The drawings are revised and attachedherewith.Please refer to Addendum No.1.

25 Vol.1/3, Section-8, Clause No. 14.2

i)Please confirm that VAT applicable for local work

such as transport, civil work, erection work will bepaid by PGCB.

ii)Same clause applicable for Income Tax & otherTaxes for local work will be paid by PGCB.

iii)No bill will be deducted from the source bill. If anyTaxes applicable will be paid by PGCB.

i) Confirmed.

ii) PGCB will pay source Taxwhich is deductible as perIncome Tax law.

iii)Confirmed.

26 Existing System for Telecontrol & Telemetering isAREVA make. Please confirm that other make isacceptable also.

Please refer to item no. 1L, 2L & 3Lof Schedule-A of Volume 1 of 3and item no. 21 of Addendum -1.Telecontrol & Telemeteringequipment to be supplied underthis tender scope is to becompatible with existing systemusing protocol IEC 60870-5-101/104.

27 The Bus bar shown 2000A for 132 kV & 33 kV Systemis 2000A. Please confirm whether it will be twinconductor or single conductor.

Please refer to above reply of sl.No. 2 & 11

28. What will be current rating of Jack bus & jumpering.If need the twin conductor please confirm.

Please refer to above reply of sl.No. 2 & 11

29 Please confirm that the land is fully developed &surrounded by boundary wall.

The land for Sherpur and Kulaorashall be developed and boundarywall shall be constructed by PGCB.Land development is underprocess.


6/36

32. Volume 1 of 3 , Section I, ITB 21.1Is the Bid Security Bank Guarantee acceptable fromany International Bankers like CITI, HSBC,

STANDARD CHARTARD etc. who are havingbranch in Bangladesh?

The bid security may be issuedfrom any branch of foreign bank

located in Bangladesh.

34 Volume 1 of 3 , Section I ITB 22.2Since there is no standard format for Power ofAttorney available in the Bid Document, we presumethat it can be made in our standard format.

Confirmed.

35. Volume 1 of 3 , Section I ITB 19.1Whether Expenditures at Employers Country to bequoted with Local Currencies and under such statuswhat are all prevailing Taxes & Duties applicable tobe considered by Bidder

Please refer to the clause no. 14.2 ofS.C.C.(section-9, volume 1 of 3)

36 Volume 1 of 3 , Section I ITB 18.6As per BDS The prices quoted by the Bidder shall be

fixed ( Price adjustment will be zero ) OR adjustableto reflect changes in cost .. & both type areacceptable to PGCB.

Being ICB tender, how the tenders will be evaluatedin case of Bidders quoting differently.

Please refer to item no. 2 & 7 of

Addendum-1.

37 Appendix 1 : Terms & Procedures for PaymentWhat will be the process of payment for the retained5%+5% in the event of non-readiness of IncomingLine & Substation

As per bid specification.

38 Volume I Appendix 1 : Terms & Procedures forPayment

i) Who will bear the expenses of Letter of Credit ?

ii)What will be the negotiable documents for Letter ofCredit ?

iii)For Installation & Service 45days is stipulated fromReceipt of Invoice. Our proposal is to advance it to atleast 30 days

i) All costs in connection with

Letter of Credit within Bangladeshshall be borne by the Employer andoutside Bangladesh shall be borneby the Financial institution or theContractor as appropriate.ii) As per terms & conditions of LC.iii) bid ifi i


7/36

40 Price BasisWe understand that for Equipment to be Suppliedfrom abroad is CIF we presume that it should be

CIF Bangladesh Sea Port or Airport port as may beapplicable.

Confirmed.

41 Volume 3 of 3 bid SecurityAt the end, it is prescribed as This guarantee issubject to the Uniform Rules for Demand Guarantees,ICC Publication No. 458 However , as per latest ICCPublication no will be 758 as updated version . Pleasehave acceptance of the latest version.

Please refer to item no.15 ofAddendum no.1

42. Volume 1 of 3 Clause no 4.3 towards Bidder & theirOfferIn case we participate in this tender as a Bidder , canwe offer our equipments to other Bidders as a sub-supplier / sub-contractor .

Yes, Bidder can offer their ownmanufactured equipment to otherbidder as a sub-supplier/sub-contractor.

43 Volume 1 of 3 , Clause no 2.6 Manufacturer(s)/Subcontractors

Please confirm whether Authorization is must forproposing Equipments from your make List WHILEto proposed other makes , we are to submit necessarycredentials to substantiate the same in addition toprescribed makes.

Manufacturers authorization isrequired in all cases; i.e. if

equipment proposed from the listmentioned in section-3 of vol. 1of 3or proposed from other.Manufacturers authorization is notrequired in case of manufacturer isthe bidder.

44. Please provide the soil resistivity. Please refer to above reply of sl.No. 15

45. Please confirm the switchyard fenced area. Since asper the Layout Plan furnished with the tenderdocuments, the total area is given only.

Switchyard security fence shall beconstructed by PGCB.

46. We presume that the transmission line sideconductor, insulator and hardware are excluded from

our scope of work.

Confirmed.Please refer to Clause no.

2(Terminal Points) of Section-1 ofvolume 2/3 of bid document.

47. We presumed that LT power shall be provided bycustomer on 415V switchyard ACDB located inswitchyard control room. Further distribution of LTpower to various equipments in switchyard is

Please refer to the bid drawings for(draw. no. E-12) for LVACDistribution scheme for Kulaoraand Sherpur.


8/36

49. Please confirm the orientation of the 132 kV line bays. The orientation of and location ofthe terminal points is mentioned inthe layout drawings which will be

finalized at the time of detailengineering after contract award.

50. Please provide the details of the earthing system to beconsidered for the switchyard (Including the materialto be used for main earthmat, risers, rod/pipeelectrodes etc.). Please also specify the fault level forwhich the main earthmat should be designed.

Please refer to above reply sl. no.15.

51. Please confirm the type of conductor to be used forMain Bus, equipment interconnection and Jack Bus(including droppers) for 132 kV switchyard.

Please refer to above reply sl. no.2& 11.

52. We presume that the direct stroke lightningprotection of the switchyard is to be achieved throughshield wire.

Yes, your assumption is correct.

53. Please specify the electromechanical strength of thedisc insulator and cantilever strength for the postinsulators for the 132 kV switchyard.

Please refer to Appendix-A10.1 &A10.2 of Schedule-A, Page SA-44 ofVolume 1 of 3.

54. The quantity of 33 kV disconnector as shown in theSLD (DWG NO: PGCB/DESIGN/2011/K-S/E-01)and SLD (DWG NO: PGCB/DESIGN/2011/K-S/E-

02) is not matching with the Schedule B3, Vol 3 of 3furnished with the tender documents.

Please refer to the above reply sl.no. 1

55. Volume 3 for Fibre Optic Multiplexer Equipment forCommunication and Protection

Considering specification for the same havingAREVA make existing , can we have necessary Panelfrom India with AREVA(UK/France ) make Relay

Please refer to item no.10 ofAddendum-1.

56. Please provide the existing earthmat layout alongwith details of the switchyard earthing system.

For Jamalpur SS, existing earthmatdrawing is not available.

57. Please provide the soil resistivity.Please provide the type of conductor to be used forMain Bus, equipment interconnection and Jack Bus

Please refer to the above reply sl.no. 2, 11 & 15.


9/36

59. Please confirm whether the existing DC system is ableto cater for the loads of the 2 nos. 132 kV Line Bay and1 no. 132 kV Bus Coupler Bay for Jamalpur.

Confirmed.

60. Please confirm whether the existing switchyardcontrol room has sufficient space to accommodate thecontrol and relay panels for the new bays as well asfor the AC and DC system for Jamalpur.

Yes.Also please refer to above replysl.no. 17

61. As per the technical specification section 3, page-17,of volume-II it is specified that the DisconnectorsEarth switch shall be motor operated (Locally) but in

the technical requirement of Disconnectors it ismentioned that it should be manual operated. Kindlyconfirm whether this project requires manual/motoroperated Earth Switch.

Please refer to above reply sl.no. 4& 13.

62. Please confirm whether this project needs electricallygang operated Disconnectors.


63. Vol 1, Section 7, 30.1 (a), page 7-37The Contractor Shall not be liable. To pay liquidateddamages to the employer.We kindly request you to delete exclusion of paymentof LDs from the consequential damages clause.


64. Vol 1, Section 7, 30.1(b), Page 7-38The aggregate liability of thecontractor..with respect topatent infringmentWe kindly request you to remove the exclusion of theobligation of the Contractor to repair or replace

defective Equipment from the overall liability cap.


65 Vol 1, Section 7, 37.3, Page7-44The party who has . WithGCC Cl 40We request you to amend "The time extensionprovided to the contractor should be equal to the



10/36

Vol 1, Section 7, 40, Page7-49The time for completion of any ofthe followingContractor should be entitled to extension, if theContractor is unable to carry out of its obligationunder the Contract for any reason attributable to theEmployer, including but not limited to the Employersfailure to provide possession of or access to the Siteor other areas or failure or delay to obtain anygovernmental permit necessary for execution and/ orcompletion of the facilities.

67. Vol 1, Section 8, 26.2, Page 8-14 & 15If the contractor fails to .. Under thecontractWe request you to please limit the value of Liquidateddamages. We also request you to consider Liquidateddamages as 0.5% per week of the contract valuesubject to maximum of 5% of the contract value asthis is applicable in all international tenders like WorldBank, JBIC and ADB funded project, So we requestyou to consider the same.


68. Vol 1, Section 8, ABG 6E-9The maximum. to us.We request you to add the following after to us"HOWEVER ANY SUCH REQUEST FORREDUCTION IN THE GUARANEE VALUE SHOULDBE SUPPORTED BY THE BENEFICIARY CONSENT

LETTER.


69. Vol 1, Section 8, ABG 6E-9The guarantor agrees to . One time extensionWe request to amend the line as " The guaranteeshall be valid for 12 months and the same shall beextended for every 12 months based the request fromemployer"


70. Vol 1, Section 8 , 1.1 & 8.2 Page 8-2 & 8-3DeliveryPeriod-18MonthsCompletion period 20 MonthsPlease let us know the delivery period as 18 Monthsand 20 Months are mentioned. Please let us know thedelivery period

Please refer to item no. 6 ofAddendum-1.Please also refer to clause 1.2.2 ofSection-3, Volume 1 of 3.


11/36

72. Vol 3, Section 3, 1A-4 & 2 A -4Disconnector with Motor Operated isolator andManual Operated earth SwitchPlease let us know whether Mechanically OperatedE/S is required or electrically Operated E/S is requiredas earlier projects are offered with electrically Offeredearth switch


73. Vol 2, clause3.4.5.6 page3/10-11Mandatory Maintenance Equipments :SF6, GasFiltering, Drying and Storage TankWe propose to offer Portable SF6 gas filling and

evacuating device which shall meet the requirementof filling the gas. Please let us know the same

This item is not required as perSection-4(Mandatory Spares),Shedule-B2 (Price Schedule)

Volume 3 of 3.Also refer to item no. 26 to 28 ofAddendum -1.

74. Volume 1, page 3-8, Section 3-Evaluation &Qualification Criteria, 1st Paragraphfor protection relay including substation automationsystem and fiber optic multiplexer equipment onlyauthorization letter from those shall be supplied from

PGCBs selected manufacture as stated in section 5and section 14, volume 2 of 3 of the biddingdocument. the following clarification and information isrequire :

i) what does this paragraph imply ?ii) Section 5 and section 14, volume 2 of the

bidding document does not have selectedmanufacturer listed. Who are they ?

Please refer to the clause 5.12.1page no. 5/24 of section-5(volume2 of 3) and item no. 10 ofAddendum-1 for protection relayand control system includingcomplete panels.

Please refer to above reply sl. no.26 for fiber optic multiplexureequipment.

75. Section 10 National Load Dispatch Centre (NLDC)Control Facilities 10.1 Scope : In order to provide thetele control facilities required at the National LoadDespatch Centre (NLDC) the following provisionsshall be made under this Contract. Necessarymodification in the software and hardware at NLDCmaster station is also to be done under this contractto accommodate all the new system extended underthis contract. The question is:

i) Who is the existing software and hardware supplierat NLDC master station at Rampura, Dhaka?

i)AREVA, France.

76. There are communication equipment in FenchuganjSS and Jamalpur SS that the contractor has tointerface with. The question are:

i) Are these equipments new or existing ?i)These equipment are existing.ii)Please refer to above reply sl. no.


12/36

Design, Supply, Erection, Testing & Commissioning of Two New 132/33kV Air InsulatedSwitchgear (AIS) Substation at Kulaora and Sherpur on Turnkey Basis

[Contract No. PGCB/SS/132/Kul-Sher/01]

Addendum No. 1

Volume 1 of 3

1. Section no. 1: Instructions to Bidders, Page no. 1-3, Sub-clause 2.1:

The text Design, Supply, Erection, Testing And Commissioning of 230/132kV Air Insulated Switchgear (AIS)Substation at Barisal on Turnkey Basis is replaced by Design, Supply, Erection, Testing and Commissioning

of Two New 132/33 kV Air Insulated Switchgear (AIS) Substations at Kulaora & Sherpur and extension ofexisting 132kV Substation at Jamalpur on Turnkey Basis.

2. Section no. 2: Bid Data Sheet, Page no. 2-4, Sub-clause ITB 18.6:

The text of sub-clause ITB 18.6 is replaced by following:ITB 18.6 The prices quoted by the Bidder shall be adjusted in accordance with clause no.11.2

of General Condition of Contracts(GCC) of Section 7, Appendix-2(Price Adjustment) ofSection 9(Contract Forms) and on the actual quantity of plant & services completed by

the Contractor during the contract execution stage as per unit price of the contract.Bidders are required to provide the labor & material indices and source of indices in theirbids using the form in Schedule K, volume 3 of 3 of the bidding document. If any bidderdoes not furnished the Schedule K, that bidder will not get any price escalation as perAppendix-2 of Section 9.

3. Section no. 3: Evaluation and Qualification Criteria, Page no.3-2 & 3-3, Sub-clause 1.2.6:

i) The following para is added after the para (f)

(g) In comparision of bids, only the CIF price component of each bid for the plant & equipment[which areoffered from domestically by other bidder(s) as mentioned (a) above] offered from outside thePurchasers country shall be increased by fifteen percent(15%) for evaluation purpose.

ii) The text the bidders are required to submit the documents establishing in last para is replaced by the textthe bidders are required to submit the documents in their Price Proposal establishing

iii) The text with the provisions specified in the latest Public Procurement Regulations of the Govt. ofBangladesh and in the 2nd & 3rd line of 1st para is deleted.

4. Section no. 3: Evaluation and Qualification Criteria, Page no.3- 3, Sub-clause 1.2.8:

i) The following sub-clause 1.2.7 is added after sub-clause 1.2.61.2.7 For calculating the evaluated price, the Tender Evaluation Committee(TEC) shall-

(a) exclude applicable custom duties, taxes and VAT in the case of CIF Prices for imported Goods andexclude only VAT for Goods manufactured locally.


13/36

The sub-clause GC 11.2 is replaced by the following :Replacing Clause GC 11.2

The prices quoted by the Bidder shall be adjusted in accordance with the provisions of Appendix-

2(Price Adjustment) of Section 9:Contract Forms and on the actual quantity of plant & servicescompleted by the Contractor during the contract execution stage as per unit price of the contract.

8. Section no. 8: Special Conditions of Contract, Page no.8-18, Sub-clause GC 45.5:

The text of Bangladesh is added at the end of the sentence.

9. Section 9: Contract Forms, Page no. 9-9, Appendix 2:

a) In formula the abbreviationP0=Ex-works/CIF price of the Transformer, less advanceis replaced byP0=Ex-works/FOB price of the Transformer, less advance

b) the condition (c) is replaced by The above payment implication due to the Price Escalation will be settled atthe end of Contract. Such payment implication shall not exceed a total ceiling of 15 percent of contract priceof Power Transformer item only.

Volume 2 of 3

10.Section no.5: Substation Automation System(Protection, Control and Metering), Clause 5.12.1, Pageno.5/24, 2nd para:

The text For standardization of operation performance, facilities and spare requirements, the main protectiverelays and control systems to be supplied under this project shall comprise Alstom (France/UK), ABB(Switzerland/Sweden) and Siemens (Germany) make manufactureis replaced by For standardization of operation performance, facilities and spare requirements, the mainprotective relays and control systems including complete panel to be supplied under this project shall comprise

ABB (Switzerland/Sweden), former Areva (France/UK) and Siemens (Germany) make manufacture.

11.Section no.7: Earthing system, Clause 7.8.2, Page no.7/8, 2nd para, 2nd line and 3rd para 2nd line:

The word bare is replaced by insulated and flexible.

12.Section no.7: Earthing system, Clause 7.8.3, Page no.7/9, 4th para, 2nd line and 3rd para 2nd line:

The word 150 mm2 is replaced by 120 mm2

13.Section no.7: Earthing system, Clause 7.8.4, Page no.7/9, 1st para, last line:

The last line The bare copper conductor size shall have a minimum cross section area of 150 mm2 is replacedby The insulated and flexible copper conductor size shall have a minimum cross section area of 120 mm2 .

14 Drawings:


14/36

In the last line the text ICC Publication No. 458 is replaced by ICC Publication No. 758.

16.Schedule A: Requirements, Item no. 3D.1 & 3D.2, Page no. SA-16:

The words Substation Automation System is added after the words Control, Protection.

17.Schedule A: Requirements, Page no. SA-15:(i) A new item 3A3.1 is added after the item no. 3A3 as follows:

3A3.1 Two (2) sets of 145kV, 2000A, 31.5kA/1sec, 50Hz, 650kVp BIL, double side break, post type, motoroperated disconnectors without earthing switch for bustie bay.

(ii) Item 3A4.2 is revised as follows:

3A4.2 Fifteen (15) nos. of single-phase, 4-core, multi ratio, 145kV, 31.5kA/1sec, 50Hz,650kVp BIL, posttype current transformer (3core:1250-800/1A; 1core:2000/1A). Dismantle of existing CT withstructures, supply of new CT with new structures and modification of existing CT foundations are tobe carried out.

Page SA-15 is replaced by the revised Page SA-15 (Rev.1) and attached herewith.

18.Schedule A: Requirements, Page no. SA-16:

A new item 3D1.1 is added after the item no. 3D1 as follows:

3D1.1 Control, Protection, Substation Automation System and Metering for existing two(2) sets of overheadline circuits and three(3) sets of 132/33kV Power Transformer(including33kVincomer)circuits. Existingcontrol/protection/metering panels shall be replaced by the new panels. The existing panels are to bedismantled and handed over to Grid Maintenance Division(GMD) store.


19.Schedule A: Requirements, Item no. 3G2, Page no. SA-17:

Item 3G2 is replaced as follows:

3G2 One (1) lot of all necessary switchgears and interconnection cables required for extension of existing48V DC system to provide service of the plant and equipment to be supplied under this contract andOne (1) set of UPS for SAS panels.

20.Schedule A: Requirements, Item no. 3I1 & 3I2, Page no. SA-17:

Item 3I1 & 3I2 are replaced as follows:

3I1 One (1) lot of complete design, supply and construction of all civil items required for the outdoor workssuitable for switchyard gantry & equipment foundations, internal roads, cable trenches, surfacing,drainage, fences, etc. to accommodate extension of two 132kV line bays and bustie bay at new


15/36

3L1 One (1) lot of complete design, supply, delivery, installation, testing & commissioning of hardware andsoftware to provide the telecontrol & telemetering facilities required at the existing National LoadDespatch Center (NLDC) at Rampura for integration of new two 132kV overhead line bays to Sherpursubstation, existing two 132kV line bays to Mymensing, existing three 132/33kV Power Transformer

(including 33kV incomer) bays and 132kV bustie bay. All required electrical signals shall be transmittedto the NLDC through the Industrial Gateway of the substation automation system. All HV breakers,motorized disconnectors, tap changer, etc. shall be controlled form NLDC through the Gateway of thesubstation automation system using IEC 60870-5-101/104 protocol. All necessary modification works inthe software of master station of NLDC are to be carried out.


22.Schedule A: Requirements, Appendix-A1, Page no. SA-23 to SA-25:

Pages SA-23, SA-24 and SA-25 are replaced by the revised Pages SA-23 (Rev.1), SA-24(Rev.1), SA-25(Rev.1) and attached herewith.

23.Schedule B: Price Schedule, Page no. SB-11 to SB-13

In the Title Schedule B4 is replaced by Schedule B2.





26.Schedule B2: Price for Itemized Works, Page no. SB-9 & SB-20

A new item 3D1.1 is added after the item no. 3D1 and item 3D2 is corrected. Page SB-9 & SB-20 are replacedby the revised pages SB-9(Rev.1) & SB-20(Rev.1) and attached herewith.

27.Schedule B2: Price for Itemized Works suppl ied within Employers Country, Page SB-14 to SB-24

The EXW prices are to be quoted excluding VAT and VAT on EXW shall be quoted in separate column inBangladesh Taka. VAT on EXW shall be included in the Contract Price. The Contractor shall pay the VAT onEXW and PGCB will reimburse it at actual basis but not more than the quoted amount upon submission ofrelevant document.

The format of the Price schedule for Itemized Works supplied within Employers Country, Page no. SB-14 toSB-24 are replaced by the revised pages SB-14(Rev.1) to SB-24(Rev.1) and attached herewith.

28.Schedule B7: Prices for Variations, Page no. SB-33 to SB-34

The pages SB-33 & SB-34 are deleted.


16/36


17/36


18/36

Schedule_A: Requirements

2K2 Underground optical fibre cables (24cores for 132kV switchyard) from terminalbox gantry structure at each 132kV double circuit transmission line termination

point to MDF (Main distribution Frame) to be installed in control room. TheContract includes supply and installation of MDF and pigtail cables withadequate length.

2L SCADA system for Telecontrol and Telemetering

2L1 One (1) lot of complete design, supply, delivery, installation, testing &commissioning of hardware and software to provide the telecontrol &telemetering facilities required at the existing National Load Despatch Center

(NLDC) at Rampura for integration of complete new 132/33kV substation. Allrequired electrical signals shall be transmitted to the NLDC through theIndustrial Gateway of the substation automation system. All HV breakers,motorized disconnectors, tap changer, etc. shall be controlled form NLDCthrough the Gateway of the substation automation system using IEC 60870-5-101/104 protocol. All necessary modification works in the software of masterstation of NLDC are to be carried out.

3) Extension of Existing 132kV AIS Substation at Jamalpur

The equipment to be designed, supplied, installed, tested & commissioned asstipulated in bid specification and shown in bid drawings (volume 2 of 3):

Item Description

3A 145kV Air Insulated Switchgear (AIS)

The 145kV AIS shall comply with the particular requirements as detailed in theSchedule of Technical Requirements included as Appendix A1 to this section

and shall comprise the following:-

3A1.1 Two (2) sets of 145kV, 1250A, 31.5kA/1sec, 50Hz, 650kVp BIL, live tank type, singlepole operated, SF6 gas circuit breakers with spring-stored energy operatingmechanism or spring-hydraulic combination mechanism (for line bay).

3A1.2 One (1) sets of 145kV, 2000A, 31.5kA/1sec, 50Hz, 650kVp BIL, live tank type, gangoperated, SF6 gas circuit breakers with spring-stored energy operating mechanism orspring-hydraulic combination mechanism (for bustie bay).

3A2 Two (2) sets of 145kV, 1250A, 31.5kA/1sec, 50Hz, 650kVp BIL, double side

break, post type, motor operated disconnectors with earthing switch.

3A3 Four (4) sets of 145kV, 1250A, 31.5kA/1sec, 50Hz, 650kVp BIL, double sidebreak, post type, motor operated disconnectors without earthing switch

3A3.1 Two (2) sets of 145kV, 2000A, 31.5kA/1sec, 50Hz, 650kVp BIL, double sidebreak post type motor operated disconnectors without earthing switch for


19/36


3A5 Six (6) nos. of single-phase, 3-core, 145kV, 31.5kA/1sec, 50Hz, 650kVp BIL, capacitortype voltage transformers.

3A6 Six (6) nos. of 120kV rated voltage, 102kV(rms) continuous operating voltage at 500C,10kA nominal discharge current, 50Hz, Heavy duty station class, gapless metal oxidetype, single phase surge arresters.

3A7 One (1) lot of flexible bus conductors, insulators, fittings including all necessary clampsand connectors required for completing 145kV busbar and switchgear connection asspecified in the technical specifications and bid drawings.

3A8 One (1) lot of steel structures for gantry and equipment supports required for completing145kV busbar and switchgear as specified in the technical specifications and biddrawings.

3A9 One (1) lot of 145kV post type support insulators required for completing 145kV busbarand switchgear as specified in the technical specifications and bid drawings.

3D Control, Protection, Substation Automation & Metering

132 kV CircuitsThe equipment to be designed, supplied, installed and commissioned is shown in biddrawings are comprising of :-

3D1 Control, Protection, Substation Automation System and Metering for two(2) sets ofoverhead line circuits to Sherpur (Sherpur-1 & 2).

3D1.1 Control, Protection, Substation Automation System and Metering for existing two(2) setsof overhead line circuits and three(3) sets of 132/33kV Power Transformer (including33kV incomer) circuits. Existing control/protection/metering panels shall be replaced by thenew panels. The existing panels are to be dismantled and handed over to Grid Maintena-nce Division(GMD) store.

3D2 Control, Protection, Substation Automation System for one(1) set of Bustie circuits.

3D3 Busbar protection and breaker failure protecting for complete 132kV system in one (1)lot.3D4 Tariff metering panel to accommodate programmable & recordable digital 3-phase, 4-wire

import and export MWh and MVArh meters (accuracy class 0.2) for each 132 kV line andtransformer feeder. For each feeder minimum two meters (main & check). The scope ofworks also includes supply of software(s) of the above energy meters for future re-

fi ti


20/36


3G DC Distribution

3G1 One (1) lot of all necessary switchgears and interconnection cables requiredfor extension of existing 110V DC system to provide service of the plant andequipment to be supplied under this contract.

3G2 One (1) lot of all necessary switchgears and interconnection cables requiredfor extension of existing 48V DC system to provide service of the plant andequipment to be supplied under this contract and One (1) set of UPS for SAS

panels.

3H LVAC Distribution

3H1 One (1) lot of all necessary switchgears and interconnection cables requiredfor extension of existing LVAC switchboard for substation services to besupplied, installed and commissioned, to provide the 415/240V supplies to allequipment being supplied under this turnkey Bid.

3I Civil Works, Building and Foundation

3I1 One (1) lot of complete design, supply and construction of all civil itemsrequired for the outdoor works suitable for switchyard gantry & equipmentfoundations, internal roads, cable trenches, surfacing, drainage, fences, etc. toaccommodate extension of two 132kV line bays and bustie bay at newlocation.

3I2 One (1) lot of complete design, supply and construction of all civil itemsrequired for modification of existing control building suitable to accommodatenecessary panels for extension of two 132kV line bays and all existing 132kVbays.

3J Lighting, Small Power, Air Conditioning and Ventilation

3J1 One (1) lot of complete set of design, supply, installation and commissioning ofequipment to provide lighting (flood light; sodium/mercury) for security,roadway, switchyard and emergency DC lighting at strategic locations forequipment operation and inspection required for all equipment being suppliedunder this turnkey Bid..


21/36


MSE5001 type.

3K2 Underground optical fibre cables (24cores for 132kV switchyard) from terminalbox gantry structure at each 132kV double circuit transmission line terminationpoint to MDF (Main distribution Frame) installed in control room. The Contractincludes supply and installation pigtail cables with adequate length.

3L SCADA system for Telecontrol and Telemetering

3L1 One (1) lot of complete design, supply, delivery, installation, testing &

commissioning of hardware and software to provide the telecontrol &telemetering facilities required at the existing National Load Despatch Center(NLDC) at Rampura for integration of new two 132kV overhead line bays toSherpur substation, existing two 132kV line bays to Mymensing, existing three132/33kV Power Transformer (including 33kV incomer) bays and 132kV bustiebay. All HV breakers, motorized disconnectors, tap changer, etc. shall becontrolled form NLDC through the Gateway of the substation automationsystem using IEC 60870-5-101/104 protocol. All necessary modification works

in the software of master station of NLDC are to be carried out.

3l2 One (1) lot of complete design, supply, delivery, installation, testing &commissioning of hardware and software to provide the telecontrol &telemetering facilities required at the existing National Load Despatch Center(NLDC) at Rampura for integration of two new 132kV line bays. All necessarymodification works in the software of master station of NLDC are to be carriedout.

4) Mandatory Spares, Erection & Test Equipment

Supply of complete spares and spare parts of transformer, switchgear, controlequipment, protection relays, meters, erection & test equipment as per quantitymentioned in Schedule B. Test equipment are to be supplied from Europe,USA or Japan origin. Printed catalogue, operation and service manual are tobe provided. The materials shall have to be handed over to the designated

store as per instruction of the Engineer.


22/36


MHz to 2 MHz (at 92 kVrms) (at 92 kVrms)

6 Partial discharge level 10 pC 10 pC

7 Type of insulation Class A Class A

6.2.1 145kV Class Current Transformers (for transformer bay)

1 No. of Cores 4

2 Ratio 600-300/1/1/12000/1

3 Class of accuracy - Busbar Protection : 5P20

- Protection : 5P20- Metering : Class 0.2

4 Burden (VA) 30

5 Min. knee point voltage at lowest ratio (Volts) 600 and over

6 Max. magnetizing current guaranteed atknee point voltage & the lowest ratio (mA)

M.R

7 Max. resistance of secondary winding at75

0C and at lowest ratio (ohms)

M.R

6.2.2 36kV Class Current Transformers (for transformer bay)

1 No. of Cores 3

2 Ratio 1200-800/1/1/1

3 Class of accuracy - Protection : 5P20

- Metering : Class 0.2

4 Burden (VA) 30



M.R

7 Max. resistance of secondary winding at

750

C and at lowest ratio (ohms)

M.R

6.3 145kV Class Current Transformers (for line bay)

1 No. of Cores 4

2 Ratio 1200-800/1/1/12000/1


23/36


1 No. of Cores 5

2 Ratio 1200-800/1/1/1

2000/1

3 Class of accuracy - Busbar Protection : 5P20- Protection : 5P20- Metering : Class 0.2

4 Burden (VA) 30



M.R

7 Max. resistance of secondary winding at 750C and at lowest ratio (ohms)

M.R

6.4 145kV Class Current Transformers (for bus coupler bay)

1 Core No. I II

2 Ratio 2000/1 2000/13 Purpose Protection Measuring

4 Class of accuracy 5P20 0.5

5 Burden(VA) 30 30

6 Min. knee point voltage atlowest ratio(Volts)

600 and over 600 and over

7 Max. magnetisingcurrent guaranteed atknee point voltage & thelowest ratio(mA)

M.R M.R

8 Max. resistance ofsecondary winding at75

0C and at lowest ratio

(ohms)

M.R M.R

6.5 145kV Class Voltage Transformer1 Rated voltage levels 145 kV

2 High frequency capacitance forentire carrier frequency range

Within 80% to 150% of ratedcapacitance


24/36


8 Stray capacitance and strayconductance of low voltage terminal

over the entire capacitance.

As per IEC-358

9 Core details Core-I : Core-II : Core-III :

10 Purpose Protection Protection Metering

11 Secondary Voltage 110/3 110/3 110/3

12 Burden (VA) 150 150 150

13 Class of accuracy 3P 3P 0.2

14 Rated total thermal burden(VA) 200 200 20015 One minute power frequency

withstand voltage between LVterminal and earth(kV rms)

4(10 if the low voltage terminal isexposed)

16 Withstand voltage for secondarywinding (kV rms)

2

6.6 36kV Class Voltage Transformer

1 Rated voltage levels 36 kV

2 Rated Voltage Factor 1.2 continuous; 1.5 for 30 seconds

3 Phase angle error (minutes) 20

4 Core details Core-I : Core-II :

5 Purpose Protection Metering

6 Secondary Voltage 110/3 110/3

7 Burden (VA) 50 25

8 Class of accuracy 3P 0.2

9 One minute power frequencywithstand voltage between LVterminal and earth(kV rms)

4(10 if the low voltage terminal isexposed)

10 Withstand voltage for secondary

winding (kV rms)

2

7 Surge Arresters

1 Max. highest system voltage 145kV 36kV

2 Type Outdoor type, ZnO, Gapless


25/36

Item Description Unit Qty Country Unit Total Insurance Freight Total Erection Design Total F/C Local Local Erection Design Total L/C

of Origin Price Price Price Cost cost Cost transport & Insurance Cost cost Cost

FOB FOB CIF handling cost

1 2 3=1x2 4 5 6=3+4+5 7 8 9=6+7+8 10 11 12 13 14=10+11+12+13

3A145kV Switchgear, equipment connections, steel

structures

3A1.1SF6 Circuit breaker, live tank, single pole operating,

1250A

sets 2

3A1 .2 SF6 Ci rcui t b reaker , l ive t ank, gang operat ing, 2000A sets 1

3A2 Disconnector switch with E/S, 1250A sets 2

3A3 Disconnector switch without E/S, 1250A sets 4

3A3.1 Disconnector switch without E/S, 2000A sets 2

3A4.1 Single phase current transformer (4 cores) nos. 6



3A5 Single phase capacitive voltage transformer nos. 6

3A6 Single phase surge arresters nos. 6

3A7Conductor for Busbar & equipment connection with

insulator disc & fittingsLot 1

3A8Structures (Equipment support, Gantry tower and

Beams)Lot 1

3A9 Post type insulators Lot 1

3DControl, Protection, Substation Automation &

Metering

132kV Circuits

3D1

Control, Protection, Metering & Substation Automation

System includingevent recording function for overhead line

circuits

Sets 2

3D1.1Control, Protection, Metering & Substation Automation

System including event recording function for replacement

of existing two overhead line circuits and three Transformer

circuits(including 33kV incomer)

Sets 5

3D2 Control, Protection, Metering & Substation Automation

System including event recording function for bustie bay

Lot 1

3D3 Busbar & Breaker fail protection for complete132kV

systemLot 1

3D4

Tariff metering panel to accommodate programmable &

recordable digital 3-phase, 4-wire import and export MWh

and MVArh meters (accuracy class 0.2) for each 132 kV

line and transformer feeder. For each feeder minimum two

meters (main & check).

Lot 1

Sub-Total Price carried forward

Sub Total Price in words............................................................................................................................................................................

Schedule B: Bid Price SB-9 (Rev.1)

DESIGN, SUPPLY, ERECTION, TESTING & COMMISSIONING OF THREE 132/33 KV AIR INSULATED SWITCHGEAR (AIS) SUBSTATIONS AT KULAORA & SHERPUR AND EXTENSION OF

EXISTING 132/33 KV SUBSTATIONS AT JAMALPUR ON TURNKEY BASIS

SCHEDULE B2: Price for Itemised Works, Goods or Services Supplied from outside the Employer's Country

(in Bangladesh Taka)Foreign Currency (F/C) Price (in... )Section-3: Extension of existing 132 kV Substation at Jamalpur

Local Currency (L/C) Price


26/36

Bangladesh Taka :

Unit Price Total Price VAT Unit Price Total Price VAT Transport Erection Insurance Design Total Price

EXW EXW on EXW EXW EXW on EXW & Handling

excl. VAT exclude VAT in BDT exclude VAT exclude VAT

1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11

1A145kV Switchgear, equipment connections,

steel structures

1A1SF6 Circuit breaker, live tank, gang operating,

2000Aset 1

1A2.1

SF6 Circuit breaker, live tank, gang operating,

1250A sets 2

1A2.2SF6 Circuit breaker, live tank, single pole

operating, 1250Asets 2




1A6 Single phase current transformer (2 cores) sets 6

1A7 Single phase current transformer (4 cores) nos. 12

1A8.1 Single phase capacitive voltage transformer nos. 6

1A8.2 Single phase inductive voltage transformer nos. 12


1A10 Conductor for Busbar & equipment connectionwith insulator disc & fittings

Lot 1


Beams)Lot 1

1A12 Post type insulators nos. 6

1B33 kV Switchgear, equipment connections,

steel structures

1B1 Vacuum circuit breaker, 2000A sets 2

1B2 Disconnector, single vertical break sets 3

1B3 Single phase current transformer nos. 6

1B4 Single phase voltage transformer nos. 6

1B5 Single phase surge arresters nos. 12

1B6 Conductor for Busbar & equipment connectionwith insulator disc & fittings

Lot 1

1B7Structures (Equipment support, Gantry tower and

Beams)Lot 1

1C Power Transformers & Auxiliary Transformers

1C1 132/33 kV, 25/41 MVA power transformer sets 2

1C2

33/0.4 kV auxiliary transformer with netutral

grounding resisters, support structure and

connections

sets 2

Sub Total Price in words..........................................................................................................................................................................Schedule B: Bid Price SB-14(Rev.1)

SCHEDULE B2: Price for Itemised Works, Goods or Services Supplied from within the Employer's Country

Section-1: New 132/33 kV Substation at KULAORALocal Currency (L/C) Cost

UnitQty

DESIGN, SUPPLY, ERECTION, TESTING & COMMISSIONING OF THREE 132/33 KV AIR INSULATED SWITCHGEAR (AIS) SUBSTATIONS AT KULAORA & SHERPUR AND

EXTENSION OF EXISTING 132/33 KV SUBSTATIONS AT JAMALPUR ON TURNKEY BASIS


Foreign Curreny in .

Item Description

Country of

origin


27/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11

Sub-Total brought forward


Metering

132kV Circuits

1D1


System including event recording function for overhead

line circuits

Sets 4

1D2

Control, Protection & Substation Automation System

including event recording function for 132/33 kV power

transformer circuits including transformer tap changer

control.

Sets 2

1D3 Control, Protection & Substation Automation System

including event recording function for bus coupler circuit.

Lot 1

1D4


recordable digital 3-phase, 4-wire import and export

MWh and MVArh meters (accuracy class 0.2) for each

132 kV line and transformer feeder. For each feeder

minimum two meters (main & check).

Lot 1

33kV Circuits

1D5Control & Protection for power transformer circuits

(Power transformer-I & II)Sets 2

1D6Tariff metering panel to accommodate programmable &

recordable digital 3-phase, 4-wire import and export

MWh and MVArh meters (accuracy class 0.2) for power

transformer circuits (Power transformer-I & II). For each

feeder minimum two meters (main & check)

Lot 1

1E Multicore Cables

1E1Multicore cables for control, protection, metering &

power circuits

Lot 1

1F Earthing and Lightning Protection

1F1 Earthing and Lightning Protection Lot 1

1F2 Portable(maintenance) earthing equipment device Sets 2

1G Batteries, Chargers and DC Distribution

(a) 110V alkaline Batteries Sets 2

(b) 110V Battery Cahrger Sets 2

(c) Distribution board Lot 1


Sub Total Price in words..........................................................................................................................................................................SB-15(Rev.1)

Schedule B: Bid Price

1G2

Section-1: New 132/33 kV Substation at KULAORALocal Currency (L/C) Cost


Item Description UnitQty

Country of

origin


28/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11



(b) 110V Battery Charger Sets 2


(d) UPS for 48V DC System Set 1


1H1 132 kV transformer circuit Lot 1

1H2 Tariff metering panel Lot 1

1I Civil Works, Buildings and Foundation

1I1 Complete civil items for outdoor works Lot 1

1I2Complete civil items and facilities for two storied

Control buildingLot 1

1JLighting, Small Power, Air Conditioning and

Ventilation

1J1Lighting, small power, air conditioning, ventilation

and emergency DC lighting for control buildingLot 1

1J2Linghting for outside building for security,

roadway, switchyard and emergency DC lightingLot 1

1K Fibre Optic Multiplexer Equipment

1K1 Fibre Optic Multiplexer Equipment Lot 1

1K2 Optical Fiber Cable, juctionBox, MDF, pigtail etc. Lot 1

1JSCADA System for Telecontrol and

Telemetering

1J1SCADA system for complete susbtatation with

integration to NLDCLot 1

Total Price in words............................................................................................................................................................................

SB-16(Rev.1)


Total Price carried to Summary of Price Schedule

Foreign Curreny in .Local Currency (L/C) Cost

1G2

Section-1: New 132/33 kV Substation at KULAORA


Country of

origin


29/36

Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11

2A145kV Switchgear, equipment connections, steel

structures

2A1SF6 Circuit breaker, live tank, gang operating,

2000Aset 1

2A2.1SF6 Circuit breaker, live tank, gang operating,

1250Asets 2

2A2.2SF6 Circuit breaker, live tank, single pole operating,

1250Asets 2




2A6 Single phase current transformer (2 cores) sets 6

2A7 Single phase current transformer (4 cores) nos. 12

2A8.1 Single phase capacitive voltage transformer nos. 6

2A8.2 Single phase inductive voltage transformer nos. 12


2A10 Conductor for Busbar & equipment connection withinsulator disc & fittings

Lot 1


Beams)Lot 1

2A12 Post type insulators nos. 6

2B33 kV Switchgear, equipment connections, steel

structures

2B1 Vacuum circuit breaker, 2000A sets 2

2B2 Disconnector, single vertical break sets 3

2B3 Single phase current transformer nos. 6

2B4 Single phase voltage transformer nos. 6

2B5 Single phase surge arresters nos. 12

2B6

Conductor for Busbar & equipment connection with

insulator disc & fittings Lot 1

2B7Structures (Equipment support, Gantry tower and

Beams)Lot 1

2C Power Transformers & Auxiliary Transformers

2C1 132/33 kV, 35/50 MVA power transformer sets 2

2C2

33/0.4 kV auxiliary transformer with netutral

grounding resisters, support structure and

connections

sets 2


Schedule B: Bid Price SB-17(Rev.1)






Section-2: New 132/33 kV Substation at Shepur Foreign Curreny in .Local Currency (L/C) Cost

Country of

origin


30/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11



Metering

132kV Circuits

2D1



line circuits

Sets 4

2D2

Control, Protection & Substation Automation System

including event recording function for 132/33 kV power

transformer circuits including transformer tap changer

control.

Sets 2

2D3 Control, Protection & Substation Automation System

including event recording function for bus coupler circuit.

Lot 1

2D4



and MVArh meters (accuracy class 0.2) for each 132 kV

line and transformer feeder. For each feeder minimum two

meters (main & check).

Lot 1

33kV Circuits

2D5Control & Protection for power transformer circuits

(Power transformer-I & II)Sets 2

2D6Tariff metering panel to accommodate programmable &


and MVArh meters (accuracy class 0.2) for power

transformer circuits (Power transformer-I & II). For each

feeder minimum two meters (main & check)

Lot 1

2E Multicore Cables

2.00E+0

1

Multicore cables for control, protection, metering &

power circuits Lot 1


2F1 Earthing and Lightning Protection Lot 1

2F2 Portable(maintenance) earthing equipment device Sets 2



(b) 110V Battery Cahrger Sets 2




SB-18(Rev.1)


Section-2: New 132/33 kV Substation at ShepurLocal Currency (L/C) Cost


2G2


Country of

origin


31/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11



(b) 110V Battery Charger Sets 2


(d) UPS for 48V DC System Set 12H LVAC Dist ribution

2H1 132 kV transformer circuit Lot 1

2H2 Tariff metering panel Lot 1



2I2Complete civil items and facilities for two storied

Control buildingLot 1

2JLighting, Small Power, Air Conditioning and

Ventilation

2J1Lighting, small power, air conditioning, ventilation

and emergency DC lighting for control buildingLot 1

2J2Linghting for outside building for security, roadway,

switchyard and emergency DC lightingLot 1


2K1 Fibre Optic Multiplexer Equipment Lot 1


2J SCADA System for Telecontrol and Telemetering

2J1SCADA system for complete susbtatation with

integration to NLDCLot 1


SB-19(Rev.1)



Foreign Curreny in .Local Currency (L/C) Cost

2G2

Section-2: New 132/33 kV Substation at Shepur


Country of

origin


32/36

Bangladesh Taka :

Item Description Unit Qty Country Unit Price Total Price VAT Unit Price Total Price VAT Transport Erection Insurance Design Total Price

of origin EXW EXW on EXW EXW EXW on EXW & Handling

excl. VAT xclude VA in BDT exclude VAT exclude VAT

1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11

3A145kV Switchgear, equipment connections,

steel structures

3A1.1SF6 Circuit breaker, live tank, single pole

operating, 1250A

sets 2

3A1.2SF6 Circuit breaker, live tank, gang operating,

2000Asets 1



3A3.1 Disconnector switch without E/S, 2000A sets 2




3A5 Single phase capacitive voltage transformer nos. 6


3A7

Conductor for Busbar & equipment connection

with insulator disc & fittings Lot 1


Beams)Lot 1

3A9 Post type insulators Lot 1


Metering

132kV Circuits

3D1



line circuits

Sets 2

3D1.1


System including event recording function forreplacement of existing two overhead line circuits and

three Transformer circuits(including 33kV incomer)

Sets 5

3D2 Control, Protection, Metering & Substation Automation

System including event recording function for bustie bay

Lot 1

3D3Busbar & Breaker fail protection for complete132kV

systemLot 1

3D4recordable digital 3-phase, 4-wire import and export

MWh and MVArh meters (accuracy class 0.2) for eachLot 1

Sub Total Price in words

..........................................................................................................................................................................Schedule B: Bid Price SB-20 (Rev.1)





Section-3: Extension of existing 132 kV Substation at JamalpurLocal Currency (L/C) Cost



33/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11


3E Multicore Cables

3E.1Multicore cables for control, protection, metering &

power circuitsLot 1


3F1 Extension of Earthing and Lightning Protection Lot 1


3G1 Extension of existing 110V DC System Lot 1

3G2 Extension of existing 48V DC System Lot 1


3H1 Extension of LVAC Distribution Lot 1



3I2Complete civil items for modificaion of existing

control roomLot 1

3J Lighting, Small Power, Air Conditioning andVentilation

3J1Linghting for outside building for security,

roadway, switchyard and emergency DC lightingLot 1


3K1Extension of exisitng Fibre Optic Multiplexer

EquipmentLot 1


3LSCADA System for Telecontrol and

Telemetering

3L1Extension of exisittng RTU to accomodate two

new line bays to SCADA systemLot 1

3L2 Integration two new line bays to NLDC Lot 1



Section-3: Extension of existing 132 kV Substation at JamalpurLocal Currency (L/C) Cost




34/36

Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11

4A 145kV Switchgear

4A1Complete 132kV Circuit Breaker (offered type) for

line bayset 1

4A2Complete 132kV Circuit Breaker (offered type) for

transformer bayset 1

4A3Complete 132kV disconnector switch (offered

type) without earth switch of 1250Aset 1


type) with earth switch of 1250Aset 1


type) with earth switch of 2000Aset 1

4A6

Set (3 phase) interrupting chamber including

insulators, fixed and moving contacts for 132kV

circuit breakers

sets 2

4A7 132kV post insulators suitable for disconnector nos. 6

4A8 Set (3 phase) contacts fo r 132kV d isconnector se ts 3

4A9 132kV surge arrester nos. 6

4A10 132kV post type capacitive voltage transformer nos. 2

4A11 132kV post type current transformer nos. 8

4A12 132kV post insulator nos. 3

4A13 Set (3 phase) gaskets for 132kV circuit breaker sets 2

4A14 Closing coils nos. 4

4A15 Tripping coils nos. 4

4A16 Lot of special grease and lubricant Lot 2

4A17Motor for 132kV circuit breaker operating

mechanismnos. 2

4A18 Motor for disconnector drive nos. 4

4A19 Silica gel (100%) Lot 1

4A20 Transformer oil

20% of

the total

supply

4A21 Coils for Blocking magnet in disconnector drive nos. 4

4B 33kV Switchgear

4B1 33kV disconnector with E/S, 2000A sets 2

4B2 33kV disconnector without E/S, 2000A sets 2

Sub Total Price in words..........................................................................................................................................................................





Section-4: Mandatory SparesLocal Currency (L/C) Cost




35/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11


4C TRANSFORMERS

4C1 Power transformer 132kV bushings(i) for 50/75 MVA no 1

(ii) for 25/41 MVA no 1

4C2 Power transformer 33kV bushings

(i) for 50/75 MVA no 1

(ii) for 25/41 MVA no 1

Sets of tap changer spares details:

Fixed & moving Contacts

"O-ring gasket

Motor protective switch

Aux. contact K20

Set of motor Contact K1 & K2

4D PROTECTION

4D1

132kV distance relay complete with auto reclose,

synchrocheck relay and over current & earth fault

relay

no. 1

4D2 132kV Transformer Biased (3-phase) relay no. 1

4D3Two pole overcurrent and earth fault relay for

transformerno 1

4D4Busbar protection relay unit complete with trip

relaysno. 1

4D5Breaker failure protection relay unit complete with

timers & trip relaysno. 1


Sub Total Price in words..........................................................................................................................................................................


4C3 Set

Section-4: Mandatory SparesLocal Currency (L/C) Cost


1


36/36




Bangladesh Taka :




1 2 3=2x1 4 5 6=1x5 7 8 9 10 11 12=6+7+8+9+10+11


4D6 Tripping relay (electrical reset)/trip relay card if in-built no. 1

4D7 Trip circuit supervison relay no. 1

4H8

Programmable energy meter (offered type)

including necessary software for future

reconfiguration

nos. 4

4E POWER & CONTROL CABLES

Spare cable comprising

4E.1 length auxiliary power cable, 19 cores meter 500

4E.2 length control cable, 7 cores meter 500

4E.3 length control cable, 12 cores meter 500

4G DC SWITCHGEARS

4G1 Battery fuses nos. 4

4G2 Set DC board incoming MCCB nos. 44G3 Sets outgoing MCBs nos. 4

4H LVAC SWITCHGEARS

4H1 3-phase set LVAC board incoming MCCb nos. 2

4H2 3-phase sets outgoing MCCBs nos. 4

4H3 1-phase sets outgoing MCBs nos. 4


Note:(page SB-14 to SB-24)The EXW prices are to be quoted excluding VAT and VAT on EXW shall be quoted in separate column in Bangladesh Taka. VAT on EXW shall be included in the Contract Price.

The Contractor shall pay the VAT on EXW and PGCB will reimbursed it at actual basis but not more than the quoted amount upon submission of relevant document.



Section-4: Mandatory Spares Foreign Curreny in .Local Currency (L/C) Cost

Documents

Clarification of Kulaora Sherpur