Supply of Transformers and Accessories for Rural Renewable Energy Programme in Sierra Leone
UNOPS
Supply of Transformers and Accessories for Rural Renewable Energy Programme in Sierra Leone
Invitation to bid
Reference:
ITB/2019/11654
Beneficiary countries or territories:
Sierra Leone
Registration level:
Basic
Published on:
13-Sep-2019
Deadline on:
11-Oct-2019 12:00 0.00
Description
The tender is the Supply of Transformers and Accessories for Rural Renewable Energy Programme in Sierra Leone as further described in Section II - Scehulde of Requirements.
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IMPORTANT NOTE: Interested vendors must respond to this tender using the UNOPS eSourcing system, via the UNGM portal. In order to access the full UNOPS tender details, request clarifications on the tender, and submit a vendor response to a tender using the system, vendors need to be registered as a UNOPS vendor at the UNGM portal and be logged into UNGM. For guidance on how to register on UNGM and submit responses to UNOPS tenders in the UNOPS eSourcing system, please refer to the user guide and other resources available at: https://esourcing.unops.org/#/Help/Guides
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IMPORTANT NOTE: Interested vendors must respond to this tender using the UNOPS eSourcing system, via the UNGM portal. In order to access the full UNOPS tender details, request clarifications on the tender, and submit a vendor response to a tender using the system, vendors need to be registered as a UNOPS vendor at the UNGM portal and be logged into UNGM. For guidance on how to register on UNGM and submit responses to UNOPS tenders in the UNOPS eSourcing system, please refer to the user guide and other resources available at: https://esourcing.unops.org/#/Help/Guides
This tender has been posted through the UNOPS eSourcing system. Cet avis a été publié au moyen du système eSourcing de l'UNOPS. Esta licitación ha sido publicada usando el sistema eSourcing de UNOPS.
| Link | Description | |
|---|---|---|
| https://esourcing.unops.org/#/Help/Guides | UNOPS eSourcing – Vendor guide and other system resources / Guide pour fournisseurs et autres ressources sur le système / Guía para proveedores y otros recursos sobre el sistema |
39121001
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Distribution power transformers
New clarification added: Q13.1. As per the TC, warranty clause shall be minimum 1 Year but maximum was not specified, Please clarify.A13.1 Per the General Conditions of Contract for goods (4.5.6), (Link provided in Section IV) partly state, "All warranties will remain fully valid following any delivery of the goods and for a period of not less than one (1) year". Bidders are required to meet this requirement. Bidders are also expected to provide industry standard warranty for items offered.Q13.2. We shall not supply Only Accessories and spare parts. Complete Order to be supplied. Pease confirmA13.2. Bidders are required to submit bid according to the ITB requirement. Partial bids shall not be allowed. Bidders must quote prices for the total goods for the total requirement.Q13.3. Please provide weight and dimension limitation of 50 KVA Three Phase Distribution Transformer. We consider details of 100 KVA for 50 KVA. kindly confirm.A13.3. Yes, the weight and dimension for 100 KVA is acceptable for 50 KVA.Q13.4. Please clarify , Whether Type test to be conducted in Independent testing laborartory, India or European testing Laborartory.A13.4. The vendor must have the goods inspected in the manufacturer’s works by a competent authority and submit a test certificate and also a guarantee/warranty certificate that the goods conform to written specifications. Kindly refer to the Amendment 1_Section II schedule of requirement for further details.Q13.5. Please confirm that the Liquidated Damages shall not apply on the late delivery. A13.5. Not applicable but bidders are expected to meet the ITB Requirement submitted.Q13.6. Please confirm, Factory Acceptance Test (FAT) shall be carried out or not? If Yes, then How many FAT will be conducted. What will be the Lot Size. Number of person coming for FAT. What will be the testing standard for FAT. A13.6 As per our line 1.0.27 the requirement is each transformer to be individually (routine) tested, each with individual reportQ13.7 - Please confirm for conducting the FAT, the expense of Travelling Allowance and Daily Allowance shall be borne by Supplier or Purchaser? A13.7. Bidders are responsible for conducting all tests. Any expenses relating to the buyer or its agents involvement in the test are excluded.Q13.8 - Please provide Routine Test inspection and acceptance procedure and credentialsA13.8. The routine tests should be conducted as per IEC 60076-1 (as per #1.0.27).Q13.9- Please provide the MV Surge arrestor drawing.A13.9. Kindly refer to the "Drawing" pages 3 and 4 attached to the document section "See amendment 1 for details).Q13.10 Rated frequency 50 Hz (+/- 5 Hz)" Is the Variation 5% or 5 Hz. ?A13.10. The variation is +/- 5 Hz as stated under #0.5Q13.11 - 2 large thermometers integrated : Specify the specific models & Sizes If any.A13.11. Kindly refer to 1.0.182 large thermometers integrated, clearly readable from 5m distance. Specific model not required.Q13.12 - Mild steel for the tank, cooling surfaces made of stainless steel: Corrugation cannot be made out of Stain less steel. Please let us know if CRCA can be used against SS.A13.12. The requirement stated at #1.0.20 is the minimum requirement.Q13.13. Impact indicators & Tilt Watch indicators : Details & Make required. Is the quantity 2 is for per transformer or per LotA13.13. Reference to the item# 1.0.26, the quantity 2 is per transformer. Bidders are required to provide details of the item offered. Q13.14 - Hermetically sealed : Is this completely oil filled or with Inert Air gap.A13.14. Bidders are required to provide details of the item offered.
Edited on:
09-Oct-2019 15:49
Edited by:
webservice@unops.org
New clarification added: Q12. Refer to Tender Amendment-1_Section-II_Schedule fo requirements dt 02.10.19 for ITB No. ITB/2019/11654- Supply of Transformers and Accessories for Rural Renewable Energy Programme in Sierra Leone. 1. Specific item no 3.07 (new)- Description- LV cable insulation material to be XLPE (cross-linked polyethylene) of black colour, or equivalent. Q1: Item no 3.0.7 (new) description does not match with item no 3.5.1, 3.6.1, 3.7.1 & 3.8.1 cable insulation description for LV cables, kindly reconfirm the type of insulation requried is XLPE or PVC.A12. The XLPE (cross-linked polyethylene) cable insulation material was amended mainly to define the medium voltage pre-configured cable requirement but for the item 3..0.7 (New) Low Voltage insulation cable requirement either XLPE or PVC (Polyvinyl chloride) is acceptable to fulfil the requirement as particularly defined in the specific item material requirement relating to item 3.51, 3.6.1, 3.7.1 and 3.8.1.
Edited on:
07-Oct-2019 13:37
Edited by:
webservice@unops.org
New clarification added: Q9. Item no 5.10-Seals and all other recommended spare parts. Kindly provide detials for type of seals required for the distribution transformer. we understand at type of sealing provision using rubber seal inserted between tank cover, oil indicator, Flanges etc.A9. Bidders are required to provide the seals according to the main items (transformers) submitted.Q10. Will there be factory inspection and test? If yes, what test will be done at the factory? And who will cover the cost of travel expenses of UNOPS representatives to the factory?A10. Kindly see the details of inspection under Schedule II - Rechedule of requirement section D: Inspection and Test, which partly stated "The vendor must have the goods inspected in the manufacturer’s works by a competent authority and submit a test certificate and also a guarantee/warranty certificate that the goods conform to written specifications".Q11. Kindly extend the above tenders for at least 7 daysA11. As at now there is no plan to extend the current bid submission date.
Edited on:
07-Oct-2019 11:25
Edited by:
webservice@unops.org
New amendment added #3: Amendment 3The purpose of this amendment is to:A. Extend the bid submission date as:The bid submission date is extended to 11 October 2019 at 12:00 UTCThe deadline for clarifications is extended to 7 October 2019 at 12:00 UTCB. Amend the tender document as:Revise the quantities of the following items numbers - #1.3; #1.4; #4.2 and #5.5Change the unit of measure of Item #5.5 to "Set".Revise the specfication for the following items / lines- #1.5; #1.0.6; #1.0.7; #1.0.16; #1.0.16; #1.0.21; #2.2.5; #2.3.2; #3.0.6; #4.3.1; #5.14.1; #5.15.1; #5.21.1; Add new specification lines to the following items as: #3.0.7; #4.3.7; #5.5.5; #5.11.2; #5.12.2; #5.13.2; #5.14.2; #5.15.2; #5.16.2i) The respective items in the Section II: Schedule of Requirements under A. Summary of Requirements and B.Technical specifications for Goods and Comparative Data Table have been amended accordingly.ii) The respective items in the "Section_III_Returnable_Bidding_Forms" under Form C: Price Schedule Form and Form D: Technical Bid Form, sub section A. Technical specifications for Goods – Comparative Data Tables have been amended accordingly.The following document:Section II: Schedule of RequirementsSection_III_Returnable_Bidding_Formsare amended to read as follows:Amendment 1_Section II: Schedule of RequirementsAmendment 1_Section_III_Returnable_Bidding_FormsThe amended document can be found under the document section of the tender.All terms and conditions of the tender remain the same.
Edited on:
02-Oct-2019 14:24
Edited by:
webservice@unops.org
New clarification added: Q8a. General requirements for all items-item no 0.12- Description- Further details illustrated in the attached drawings...the Drawings is not attached?A8a. The document "Drawings" is attached to the document section of the tender. Kindly see amendment 1 to the tender for detailsQ8b. Specific items no 2.1-Crossbeams to mount the transformer. Please provide drawings with cross sections details & dimensions.A8b. The document "Drawings" is attached to the document section of the tender. Please refer to page 1/4 of the drawings, there is a short descriptive text. We specified the transformer to be mounted on two U-profiles of minimum 150mm height. The U-profiles should be on both sides of the poles (not to be provided by the bidder) and the poles to be clamped in between the U-profiles using 4 bolts.Q8c. LV Distribution Cabinet No-3.1.2-Decription-As per attached drawing and schematics. We understand that bidder has to propose the tentative GA with SLD for the LV dist Cabinet. If not then pl provide GA drag with SLD.A8c. Please refer to page 4/4 of the drawings. There is a SLD showing the breakers, LV surge arrestors required are not included in the SLD. Bidder does not need to provide own SLD if there is no deviation to our SLD and other information provided allows us to verify compliance to our minimum requirements.Q8d. Oil Pump-item no 5.7-Description-Including all oil resistant flexible tubes and connections needed to fill from a barrel standing on ground level and to drain the oil to a barrel standing on ground level. Is there further information such as type of pump and capacity.A8d. The requirement for item #5.7 is Manual oil pump per the requirement provided. Bidders are required to submit details of the items offered as required under the ITB.
Edited on:
01-Oct-2019 15:14
Edited by:
webservice@unops.org
New clarification added: Q6a. Please kindly confirm whether the "10.5m and 9m Poles" are provided by bidder, if yes, please send the specific drawing with dimensions of the poles.A6a.The Poles 10.5m and 9m will not be provided by the bidder, the poles dimensions are illustrated in "Drawings". The drawing is attached to document section of the tender. See Amendment 1 for details.Q6b. Kindly clarify the Cable type or model No. of the "LV/MV set of pre-configured cables";A6b. Related to items 3.5, 3.6, 3.7, 3.8, 4.3: We did not specify any special requirement for the Cable type. There is no model No we can provide. Please refer to our minimum requirements, especially the related to general requirements.Q6c. For item 1.0.16, please kindly clarify "Arcing horns fitted" by pictures, drawings or description;A6c. Arcing horns should be fitted to the HV bushings to discharge over voltage in case the MV surge arrestors fail, resulting spark gap should be for the specified HV rating.Q6d. For item 2.2.5, please kindly clarify whether PVC or MPP is acceptable for the "Protective pipe material";A6d. The item 2.2.5 specification which should read “PVC (Polyvinyl chloride)", See Amendment 2 for details
Edited on:
01-Oct-2019 15:03
Edited by:
webservice@unops.org
New amendment added #2: Amendment 2The purpose of this amendment is to:Extend the bid submission date to 8 October 2019 at 12:00 UTCTo extend the Deadline for clarifications to 2 October 2019 at UTCALL other terms and conditions of the tender remain the same.
Edited on:
29-Sep-2019 16:14
Edited by:
webservice@unops.org
New clarification added: Q7. Kindly confirm that you will extend the deadline for the bid submission,A7. The bid submission date is extended to 8 October 2019 at 12:00 UTC. Kindly refer to amendment 2 to the tender for details.
Edited on:
29-Sep-2019 11:09
Edited by:
webservice@unops.org
New clarification added: Q5. Reviewing the time lime for the submission date, can you please consider to extend the bid deadline date? A5. As at now, there is no plans to extend the bid submission date
Edited on:
26-Sep-2019 11:37
Edited by:
webservice@unops.org
New clarification added: Q5. Reviewing the time lime for the submission date, can you please consider to extend the bid deadline date? A5. As at now, there is no plans to extend the bid submission date
Edited on:
26-Sep-2019 11:36
Edited by:
webservice@unops.org
New clarification added: Q2. Can you please share the requirement/SLD of the LV cabinets (incoming/outgoing lines)A2. Kindly refer to the drawings page 4/4 where we added the SLD and incoming/outgoing lines. The drawings was attached under amendment. See Amendment 1 for details.Q3. Provide the fuse dimension and voltage rating in line # 5.11 to 5.21A3. Please refer to item 3.4 for the specification of the fuse holder, the LV (low voltage) fuse links 5.11, 5.12, and 5.13 must be compatible. Fuse type should “NH” or blade-style or knife-type fuse links. The maximum rating of the fuse holder (item 3.4) is 160A. For the LV Main incoming breaker (item 3.3) the maximum current is 250A which corresponds to NH0 size fuses. Please also refer to the drawing on page 4/4 for additional illustration. Item of reference for the MV (medium voltage) fuse links is item 4.2. Fuse links in lines 5.17 to 5.21 must be compatible. Rated voltages for LV and MV are defined in lines 0.3 and 0.4. Fuse voltage ratings must be appropriate (higher) compared to the rated grid voltages.Q4. Can you please consider extending the bid submission date?A4. As at now, there is no plans to extend the bid submission date
Edited on:
17-Sep-2019 19:08
Edited by:
webservice@unops.org
New amendment added #1: Amendment 1The purpose of this amendment is to add the document "Drawings" to the document section of the tender.All other terms and conditions remain the same.
Edited on:
17-Sep-2019 18:16
Edited by:
webservice@unops.org
New clarification added: Q1. There are references to drawings in the tender but we can't see any technical drawings attached to the documents. Can you please provide the drawings?A1. The drawings is attached to the document section of the esourcing portal. See amendment 1 for details.
Edited on:
17-Sep-2019 15:29
Edited by:
webservice@unops.org