Retender- Supply , Installation , Testing , Commissioning In Door - Metal Clad with Vacuum Circuit Breaker (VCB) , 11Kv , 1600A , 31.5Ka/3 Sec includes All Material And Works required at Bir Nasser, Aden City, Yemen

New amendment added #1: Amendment #1The purpose of the amendment is to:Extend the clarification deadline to 15 June, 2026Extend the tender's deadline to 22 June ,2026Amend the drawings link to add the amended docuement for ELECTRICAL WORKS DRAWINGS and replace it with the previous oneAmend the technical specification link to add the amended docuement for Metalclad T.S.- Final and replace it with the previous one. The clause "The country of origin for manufacturing & testing shall be in Europe, North America or Japan only." is deleted.Therefore, the follwoing amendment is in effect:Amend e-Sourcing genderal tab to extend clarificaion and tender's deadline  Amend  e-Sourcing document tab to add the update the links with the following documents ELECTRICAL WORKS DRAWINGS for drawingsTechnical specification - Metalclad T.S.- Final for technical specificationAll other terms and conditions remain the same

New clarification added: Question 1: Can we supply from a Chinese SWGR company that has been approved and supplied the PEC-Aden with Switchgear order?? or should the product manufacturing & testing should be in Europe ,North America or Japan as per the tender docs??? Please confirm.Answer 1: An amendment for the technical speciation- Metalclad T.S.- Final is to be published soon. We do not have any favorite origin, as much as it complies with the RFQ requirement.Question 2:  For 33kV and 11kV short circuit requirement, on BOQ is 31.5kA but TS shows 25kA. Please confirm which we shall followAnswer 2: As switchgear  combined from  different panels it was standardizing a system to handle both 25 kA for 3 seconds and 31.5 kA for 1 second. Please refer to the Metalclad Technical specification  page 2  section. A -   33 kV  SWITCHGEAR part  A-1  and Page 3 A2  it is matching the panels requirement in BoQ  in addition to the amended drawing SLD.Question 3: For 11kV part, TS B-5 section mentioned the 400A load breaker switch is required, but on BOQ, there is only 630A VCB panel requiredAnswer 3: Please refer to the Metalclad Technical specification  page 18  section  B-2   11 kV, (25kA/3sec)  item No b) One 630 A, VCB, circuit-breaker complete. And SLD as well Question 4: From TS SECTION –2 :  TECHNICAL SPECIFICATION – 11&33KV SWITCHGEAR – 2.0 MANUFACTURER/SUPPLIER. It mentioned the country of origin for manufacturing & testing shall be in Europe, North America or Japan only. Please confirm we can join in this tender. Answer 4:  An amendment for the technical speciation- Metalclad T.S.- Final is to be published soon. We do not have any favorite origin, as much as it complies with the RFQ requirement.Question 5: We kindly request an extension of the submission deadline for the tender by two (2) weeks. As the tender was announced immediately following the Eid holiday period, additional time is required to effectively communicate with suppliers and obtain the necessary quotations, technical information, and supporting documents required for a comprehensive and competitive submission. We would greatly appreciate your consideration of this request and look forward to your favorable response.Answer 5: An extension for the tender will be granted. Please check eSourcing  Question 6: Pls provide us with your clarification for the following :There is a mismatch between the single line diagram and the BOQ in terms of switchgear ratings and quantities.→ Could you please confirm which document we should consider as reference?If the single line diagram is to be followed, relay and current transformer details are missing in panels 1, 3, 5, and 6.→ Could you please advise how we should proceed for these panels?If the BOQ is to be considered, we kindly ask you to share a revised single line diagram aligned with the BOQ.Panels 4 and 6 are feeding generators:Is there any specific requirement for generator circuit breakers?Will current transformers and breaker be included in these panels?Is generator differential protection (87G) required?Could you also specify the voltage transformer requirements for the incoming panels?→ Will both incoming panels have identical specifications?Additionally, we would appreciate it if you could share the missing 33kV single line diagram,Answer 6: An amendment is to be published soon for the drawings- Electrical. Please refer to eSourcing, document tab. However , both should be matched ,this is  to confirm that the BoQ value is correct as well .Question 7: We kindly need your feedback on the following clarification1.     There is a discrepancy in the quantity of cabinet units between Single Line Drawing and the Bill of Quantities. Please confirm whether the SLD design or the BOQ design shall prevail.2.     Per the incoming and outgoing feeder layouts shown on drawings, PT cabinets are specified for all relevant bays. Conventionally, PT devices are installed either solely within the incoming feeder cabinet or in a standalone dedicated PT cabinet, and PT installation on outgoing feeders is unnecessary. Kindly confirm if PTs are required to be fitted on outgoing feeder cabinets strictly in accordance with the drawing specifications.- refer to attached.3.     With regard to Item 4.14 in the parameter sheet: Impulse withstand voltage: 75/95kV, please confirm the rated impulse withstand voltage as either 75 kV or 95 kV. If the specified level is 95 kV against the system maximum voltage of 13.8 kV (Item 4.10 Highest voltage in parameter sheet), type 24 kV switchgear shall be adopted for consideration.Answer 7:  An amendment is to be published soon for the drawings- Electrical. Please refer to eSourcing, document tab. However , both should be matched ,this is  to confirm that the BoQ value is correct as well .

New clarification added: Updated responses to the previously addressed questions:Pls provide us with ur response for the following Questions raised by manufacturers :Question 1:  In both image 1 and image 2, for the two 630VCB in red circle, we suspect they are wrong as they don’t match the BOQ. Please confirm what are exact values there.Answer 1:  An amendment is to be published soon for the drawings- Electrical. Please refer to eSourcing, document tab. However , both should be matched ,this is  to confirm that the BoQ value is correct as well .Question 3: Image 1, Image 2, and the BOQ all have some mismatches in configuration and details.For the purpose of quotation, shall we take the BOQ as the final configuration?Answer 3: An amendment is to be published soon for the drawings- Electrical. Please refer to eSourcing, document tab. However , both should be matched ,this is  to confirm that the BoQ value is correct as well . 

New clarification added: Pls provide us with ur response for the following Questions raised by manufacturers :Question 1: In both image 1 and image 2, for the two 630VCB in red circle, we suspect they are wrong as they don’t match the BOQ. Please confirm what are exact values there.Answer 1: Could you please specify the drawing number and page. However , both should be matched ,this is  to confirm that the BoQ value is correct as well .Question :. For 33KV-400A VCB in image 2, our team suspects it is indoor rather than outdoor.Answer 2: the  33KV-400A VCB indoor installation is specifically found in  Metalclad Technical specification , Section 1: General rating and minimum requirements, under item B-5 Quession 3: Image 1, Image 2, and the BOQ all have some mismatches in configuration and details.For the purpose of quotation, shall we take the BOQ as the final configuration?Answer 3: Could you please specify the drawing number and page. However , both should be matched ,this is  to confirm that the BoQ value is correct as wellQuestion 4:  Assuming the BOQ is the final configuration, we marked items in BOQ on SLD, with great details. Please check ‘Technical Confirmation.pdf’ and ‘BOQ.png’. The serial number in SLD follows the information in BOQ. Please also kindly provide the information based on the questions in the ‘Technical Confirmation.pdf’.Answer 4: This  part is between you and your manufacturer so we can confirm that you should adhere to the RFQ requirements.

New clarification added: Question 1: The tender technical specification link is not available in the document. Please provide the link or the technical specification sheet for the tender requirement. Answer 1: Thanks for notifying us. Please find the link to the technical specifications : https://drive.google.com/drive/folders/1aqDLhw8wB5ZszPlfpZaEysmgYceajMvm?usp=sharing