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["Clarification No. 1 for \n(1)\t765kV Class Reactor Package 7RT-08 under Bulk Procurement of 765kV & 400kV class Transformers & Reactors of various Capacities (Lot-7) (Spec No.: CC/NT/W-RT/DOM/A06/24/02456)."]
["Sr.No.","Clause No.","Page No./ Ref. Clause No.","Tender Clause","Clarification","PGCIL's Reply"]
[1,"Cl. No 7.1.2 of \nTechnical Specification, 765kV Shunt Reactor , C/ENGG/MODEL-SPEC/765kV SR Rev. 08","Page 8 of 66","The requirement of post weld heat treatment of tank/stress relieving shall be based on recommendation of IS 10801.","IS 10801 is applicable to pressurize piping and pressure vessel. As inside pressure of transformer tank is approx. 1 kg/cm2, reactor tank does not come in pressure vessel category. Hence, this clause is not applicable.\n","Bidder to quote as per provisions of bidding documents."]
[2,"Cl. No 7.1.6 of \nTechnical Specification, 765kV Shunt Reactor , C/ENGG/MODEL-SPEC/765kV SR Rev. 08","Page 8 of 66","The base of each tank shall be so designed that it shall be possible to move the complete transformer unit by skidding in any direction without damage when using plates or rails and the base plate shall have following minimum thickness:\n\n\n\n\n\n","MS Plate IS 2062:2011 refer IS 1730:1989 for dimension of steel plate. 26mm thk Plate is not in IS standard, alternate solution is 25mm thk plate.\nHence requesting for length of tank over 5m but less than 7.5m plate thickness shall be 25 mm thk.\nKindly accept.","Bidder to quote as per provisions of bidding documents."]
[3,"Cl. No. 14.7.2  of \nTechnical Specification,SECTION- 765 KV SHUNT REACTOR, C/ENGG/MODEL-SPEC/765kV SR Rev. 8","Page 25 of 66","All valves shall be painted with a shade (preferably red or yellow) distinct and different from of main tank surface and as per the painting system and procedure specified.","There is no such painting system and procedure specified in technical specification and in Annexure- E. Painting specification shall be follwed as per PGCIL approved supplier recommendation.\nCustomer acceptance required.\nGate and Globe valve only handle to be painted for identification. Kindly confirm","The proposal from the bidder for painting procedure for valves as applicable to  POWERGRID approved vendors shall also be acceptable. \n"]
[4,"Cl. No. 16.3  of \nTechnical Specification,SECTION- 765 KV SHUNT REACTOR, C/ENGG/MODEL-SPEC/765kV SR Rev. 8\n& Section Project cl no. 4","Page 25 of 66","The Individual Marshalling Box, Common Marshalling Box, Junction box and all other outdoor cubicles shall be made of stainless-steel sheet of minimum grade of SS304 (SS 316 for coastal area) and of minimum thickness of 1.6 mm.\n\n\n\n\n\n\n\n","Costal Area Consideration is not mentioned in Section project hence we are not considering the same in these tenders. Please confirm","Bidder understanding is generally in order."]
[5,"Section Project","Cl. No. 2.2 (d) (i)","FO cable: 300 m per 1-phase 765KV class Reactor unit","This cable will be used for connection from ODS to CMB. Please confirm","Bidder to quote as per provisions of bidding documents."]
[6,"Section Project","Cl. No. 2.2 (d) (i)","Cable length\n","Kindly provide the below distance for cable length consideration\n-\tDistance between CMB1 to CMB2.\n-\tDistance between spare transformer to CMB1 or CMB2.\n\nOr\n\n- Please confirm the cable mentioned in BPS (Price schedule) is meant for cabling between Reactor to IMB to CMB","Power & Control cable :\na) Transformer accessories (body mounted) to IMB.\n\nb) IMB to CMB\n\nc) Spare Transformer IMB to CMB","a)Included in the scope of contractor. \nb) Please refer clause no 2.2 e) of section project, wherein cable of each 1-phase 765kV Reactor required for interconnection of IMB to CMB shall be supplied as per BPS.\nFurther, any special cable (IMB to CMB, CMB to CMB and CMB to RTCC and Switchyard panel room as applicable) is included in the scope of contractor."]
[null,null,null,null,null,"Power & Control cable:\ni) CMB to RTCC panel and Switchyard Panel Room (as applicable)\n\nii) CMB1 to CMB2","Not in the scope of contractor.  However, if required, payment against those cables to Control Panel shall be paid separately, as per respective BPS items."]
[7,"SCC Cl No. 33 and BDS 11.3",null,"i)\tAfter decision in respect of Destination has been taken by Employer, Contractor shall be asked to submit F&I charges for the finalized destination along with documentary evidence towards justification of prices such as copy of Rate Contract entered into by Contractor, Quotation etc. This activity shall be started preferably five months prior to the scheduled dispatch of the Equipment.","Due to our companies rules and regulation, we will not be able to share any internal documents like PO of transporter to the customer. We will provide price justification of the transport price.","Provisions of the Bidding Documents are amply clear in this regard and shall remain unchanged."]
[8,"SCC Cl No. 33 and BDS 11.3",null,"iii)\tAll the activities pertaining to finalization of F&I charges shall be finished preferably three months prior to the scheduled dispatch of the Equipment","we request you to provide site details before the issuance of NOA  to smoothen the execution process and timely finalisation of freight rate. ","Provisions of the Bidding Documents are amply clear in this regard and shall remain unchanged."]
[9,"Section–Project, Rev.00 ","Cl. 2.2 (e) (i) Pg 3 of 6","(i) Cable of each 1-phase 765KV Reactor required for interconnection of IMB to CMB, shall be supplied as per BPS\n\nHowever, all cables (Power, Control, shielded twisted pair cable for 4-20mA signal & any special cable as required from individual Reactor unit to Individual Marshalling box (IMB) / any other cubicle (associated with 765KV Class Reactor as applicable) is deemed to be included & shall be treated as Part of each 1-phase 765KV class Reactor. This shall also include the following: FO cable: 300 m per 1-phase 765KV class Reactor unit","From section project & BPS we understand below,\n(a) Note that cables from IMB to CMB cannot be upto 2KM. CMB is placed near transformer. Further CT terminal cables, reactor fittings(like PRD, MOG & BR) cables and other cables to be wired upto IMB and from IMB to CMB. For this we are already considering max of 50meter cables between IMB to CMB. Please confirm.\n\n(b) Further from BPS we understand that requirement of bulk cable quantity(power, special, control) of upto 2km is cabling between CMB to control panel and is under sub-station contractor scope. So these cables are not in our scope. This is in-line to section project clause 3.0 exclusion sl.no. (v) that cables from CMB to control panel is not in our scope.\n\n(c) And also our scope include supply of 300m FO cables for 4-20mA signal cable from CMB to control panel per each 1-ph reactor and\n\n(d) Cable laying & cable trenches are not in our scope. As this is covered under sub-station contractor scope under Section Switchyard Erection Rev 10.\n\nPlease confirm our understanding is correct.","(a) & (b) Power & control cables from CMB to control panel are not envisaged under present scope. However, if required, payment against those cables to Control Panel shall be paid separately, as per respective BPS items.\n\n(c) Supply of 300m FO cables: Requirement is ample clear in Bidding documents. Provisions of bidding document shall prevail.\n\n(d) Supply & Laying of Cables, to be governed by respective BPS items, is  in the scope of the contractor. However, Civil work for Cable Trench is not envisaged under present scope.\n\n"]
[null,"BPS","Item 5 to 9","Supply of power, control & special cables upto 2KM from IMB to CMB"]
[10,"Section–Project, Rev.00 ","Cl. 2.2 (e) (i) Pg 3 of 6","o One No. CMB shall be supplied for 2 x 1-Ph or 3 x 1-Ph 765KV Class Reactor unit at one location.","As per present scope, total 7Nos 1Ph reactors are to be supplied, so total 2Nos CMB (1per 3-single ph bank reactor) will be supplied.","Requirement is ample clear in Bidding documents. Provisions of bidding document shall prevail."]
[11,"Section–Project, Rev.00 ","Cl. 4.0 pg 5 of 6"," PHYSICAL AND OTHER DESIGN DATA ","Kindly provide below details for site location.\n1. Site location\n2. Coastal area requirement applicability.\n3. RTV coating applicability.\n4. Seismic zone per each site.     ","1.  Please refer Clause 1.3 SPECIAL NOTE: in the Section-Project of the Technical specification.\n\n2. Subject Reactors are envisaged for non-coastal area. Further, for other queries, Bidder may Quote as per provisions of bidding document.\n\n3.  RTV coating applicability: NO\n\n4.  Refer to Clause 4: PHYSICAL AND OTHER DESIGN DATA: in the Section-Project of the Technical specification. Offered Reactors shall be designed for SIESMIC-Zone-IV as per IS 1893 (Part 1)."]
[12,"Section–Project, Rev.00 ","Cl. 4.0 pg 5 of 6","Seismic zone  as per IS 1893 (Part 1)                                                                Seismic Zone upto Zone-IV                                                                                                  ","For 800kV/2500A OIP Bushing, suppliers don't have the seismic test reports suitable for Zone IV, hence we propose to use 800kV/2000A RIP bushing instead of 800kV/2500A OIP bushing. kindly accept deviation in current rating and proposed RIP bushing.                                                                                                                                                        ","Kindly refer clause no 11.2 of Section: 765kV Shunt Reactor, Rev-08, RIP/RIS/OIP Bushings are technically acceptable. However, other technical parameters including current rating are to be complied as per TS requirement."]
[13,"Technical Specification, 765kV Shunt Reactor\nC/ENGG/MODEL-SPEC/765kV SR Rev. 08","Cl. 15.1 Pg 25 of 141","15.1 Buchholz Relay, Magnetic Oil Level Gauge, Pressure Relief Device & Sudden pressure relay to be wired through unarmoured cable of 1.5 sq.mm (minimum), inside GI conduit, with no part exposed. Cable shall be protected by flexible stainless steel pipe, at both ends as per requirement. Proper sealing arrangement to be provided at both ends to avoid ingress of water.\n","As per past supply to various sites of PGCIL and CEA guidelines, for all equipments mounted on reactor,  we will provide armoured cable in cable tray(till IMB), which is suitable for outdoor applications instead of mentioned conduit. Kindly accpet. \n\nHence, kindly accept armoured cable with cable tray.\n","Bidders to quote as per the provision of the bidding documents."]
[14,"Price schedule-1 (BPS)","S. No. 3","Air core Neutral Grounding Reactor (NGR) dry type with supportstructure and terminal connector: 1Set","As per present scope, total 7Nos 1Ph reactors are to be supplied, so total 2Nos NGR (1per 3-single ph bank reactor) will be supplied. Please review and confirm","Bidder to quote as per BPS and provisions of bidding documents."]
[15,"Price schedule-1 (BPS)","S. No. 4","132 kV Surge Arrester along with support structure & terminalconnector","As per present scope, total 7Nos 1Ph reactors are to be supplied, so total 2Nos surge arrestors (1per 3-single ph bank reactor) will be supplied. Please review and confirm","Bidder to quote as per BPS and provisions of bidding documents."]