Supply and Delivery of electrical and mechanical equipment to fix the pumping units in the water sources in Lahj, and Al-Mukalla, Yemen
UNOPS
Supply and Delivery of electrical and mechanical equipment to fix the pumping units in the water sources in Lahj, and Al-Mukalla, Yemen
Request for quotation
Reference:
RFQ/2025/60122
Beneficiary countries or territories:
Yemen
Registration level:
Basic
Published on:
06-Nov-2025
Deadline on:
07-Dec-2025 09:00 (GMT 0.00)
Description
Tender Description: Supply and Delivery of electrical and mechanical equipment to fix the pumping units in the water sources in Lahj, and Al-Mukalla, Yemen
Lot (1): Supply, Delivery, and Test of New Water Submersible deep-well Pump-motor Units With all accessories to Water and Sanitation Corporations–In Lahj, and Al-Mukalla, Yemen
Lot (2): Supply, Delivery, and Test of New Hybrid Pump Inverters with all accessories to Water and Sanitation Local Corporations/Authorities –In Lahj, and Al-Mukalla, Yemen.
Lot (3):Supply, Delivery, and Test of Electrical and Control Components for Solar Water Pumping Systems for Water and Sanitation Local Corporations/Authorities –In Lahj, and Al-Mukalla, Yemen
Lot (4):Supply, Delivery, and Test New Water Submersible deep-well AC Cables with all accessories for Water and Sanitation Local Corporations/Authorities –In Lahj, and Al-Mukalla, Yemen
Lot (5): Supply, Delivery, and Test New Riser PIPES With all accessories for Water and Sanitation Local Corporations –In Lahj , and Al-Mukalla , Yemen
EHC-AF3-WS-LAH-010
EHC-AF3-WS-HDM-020
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
Lot (1): Supply, Delivery, and Test of New Water Submersible deep-well Pump-motor Units With all accessories to Water and Sanitation Corporations–In Lahj, and Al-Mukalla, Yemen
Lot (2): Supply, Delivery, and Test of New Hybrid Pump Inverters with all accessories to Water and Sanitation Local Corporations/Authorities –In Lahj, and Al-Mukalla, Yemen.
Lot (3):Supply, Delivery, and Test of Electrical and Control Components for Solar Water Pumping Systems for Water and Sanitation Local Corporations/Authorities –In Lahj, and Al-Mukalla, Yemen
Lot (4):Supply, Delivery, and Test New Water Submersible deep-well AC Cables with all accessories for Water and Sanitation Local Corporations/Authorities –In Lahj, and Al-Mukalla, Yemen
Lot (5): Supply, Delivery, and Test New Riser PIPES With all accessories for Water and Sanitation Local Corporations –In Lahj , and Al-Mukalla , Yemen
EHC-AF3-WS-LAH-010
EHC-AF3-WS-HDM-020
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. Vendor Guide / Guide pour Fournisseurs / Guíra para Proveedores: https://esourcing.unops.org/#/Help/Guides
First name:
N/A
Surname:
N/A
| 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 |
83101504
-
Water distribution management
New clarification added: Question 1: Please provide the corresponding serial number for each of the following unitsThe reason that the pumps mentioned in BOQ's it's requested without motorsThat means it's spare parts of used Submersible pump - Motor Then these informations it's fital request form the manufacturerer to get the offer.Bill ReferenceEquipment DescriptionFlow Rate Range (m³/hr)Total Head (m)Manufacturer's Serial NumberBill#1-4Submersible Pump (Bowl)75 – 8016. SN Here SN Here]Bill#1-5Submersible Pump (Bowl)59 – 63265[Insert SN H SN Here]Bill#1-6Submersible Pump (Bowl)44 – 47265[Insert. SN Here SN Here]Bill#1-7Submersible Pump (Bowl)29 – 32240[Insert SN Here SN Here]Answer 1: :Please adhere to the requirement.
Edited on:
04-Dec-2025 08:45
Edited by:
webservice@unops.org
New amendment added #3: Amendment 3The purpose of the amendment is to:Extend tender deadline until 7 December 2025. Extend tender clarification deadline untill 3 December 2025. Amend and upload the follwoing documents. All amended phrases are highlighted in yellowAmendment (3)- Lot (1)- RFQ_Section II - Schedule of RequirementsAmendment (3)- Lot (1) -RFQ- Section III- Returnable Bidding FormsTherefore, the follwoing amendment is in effect:Amend e-sourcing General tab to incoperate extending tender's clarfication and tender's deadline.Amend e-sourcing document tab to include the follwoing documentsAmendment (3)- Lot (1)- RFQ_Section II - Schedule of RequirementsAmendment (3)- Lot (1) -RFQ- Section III- Returnable Bidding FormsAll other terms and conditions remain the same.
Edited on:
01-Dec-2025 08:20
Edited by:
webservice@unops.org
New clarification added: Question 1: I have a question regarding Lot (2) of the inverters. The specifications require protection class IP65. However, the inverters with high capacities are manufactured with IP20, and a protection box with IP65 can be added afterward. Would you accept the addition of this protection box?Answer 1: Please adhere to the requirements.Question 2: We would like to request a clarification for Lot-1 regarding Bill item# 1-4 To Bill item# 1-7 “ Please confirm if submersible motors need to be supplied for these items ? , or it is only to supply the submersible pumps ( bowels) without the motors ? in case the motors not required then please correct the item No. 2.4 which requests the motor models offered in Bill# 1-4 To Bill#1-7.Answer 2: As indicated in Form B, the requirement is for submersible pumps (bowls) only, without motors. This has been corrected. Please refer to the updated amendment links below. Amendment (3)- Lot (1) -RFQ- Section III- Returnable Bidding Forms Amendment (3) Lot (1)- RFQ_Section II - Schedule of Requirements
Edited on:
30-Nov-2025 08:43
Edited by:
webservice@unops.org
New clarification added: Question 1: What about this Item, Submersible Motor-Pump Set : to deliver 25-28m3/hr at Total Head =750m.? In case still needed, we can supply the complied pump to Head and Deliver qty?Answer 1: Please refer to the amended documents for all lots (amendment 2 for lots (1,2 and 3) amendement (1) for lots (4 and 5) and submit your bid accordingly
Edited on:
27-Nov-2025 08:23
Edited by:
webservice@unops.org
New amendment added #2: Amendment 2The purpose of the amendment is to:Extend tender deadline until 3 December 2025. Extend tender clarification deadline untill 27 November 2025Amend tender scope to read as follows " Supply and Delivery of electrical and mechanical equipment to fix the pumping units in the water sources in Lahj, and Al-Mukalla, Yemen. and accordingly, all lots will be limited to Lahj, and Al-Mukalla and delete all godds supply related to Al-Dhala'a ciityAmend and upload the follwoing documents. All amended phrases are highlighted in yellowAmendment (2)- Lot (1)- RFQ_Section II - Schedule of RequirementsAmendment (2)- Lot (1) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (2)- RFQ_Section II - Schedule of RequirementsAmendment (2)-)- Lot (2) -RFQ- Section III- Returnable Bidding FormsAmendment (2)- Lot (3)- RFQ_Section II - Schedule of RequirementsAmendment (2)- Lot (3) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (4)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (4) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (5)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (5) -RFQ- Section III- Returnable Bidding FormsTherefore, the follwoing amendment is in effect:Amend e-sourcing General tab to incoperate extending tender's clarfication and tender's deadline.Amend e-sourcing General tab to incoperate amending tender's scopeAmend e-sourcing document tab to include the follwoing documentsAmendment (2)- Lot (1)- RFQ_Section II - Schedule of RequirementsAmendment (2)- Lot (1) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (2)- RFQ_Section II - Schedule of RequirementsAmendment (2)-)- Lot (2) -RFQ- Section III- Returnable Bidding FormsAmendment (2)- Lot (3)- RFQ_Section II - Schedule of RequirementsAmendment (2)- Lot (3) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (4)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (4) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (5)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (5) -RFQ- Section III- Returnable Bidding FormsAll other terms and conditions remain the same.
Edited on:
24-Nov-2025 09:57
Edited by:
webservice@unops.org
New clarification added: Question 1: Kindly clarify in Lot 3 For Item 3 what is capacity ower of VFD AC Control Box – Outdoor IP65; factory pre-wired with AC/DC breakers, SPD & control wiring; forced-air cooling; includes VFD & output reactor; compliant with IEC 61439-1 & -2?Answer 1: :The items have already been revised and amended. Please refer to the issued amendmentsQuestion 2: We would like to request a clarification for lot-1 regarding Bill item 1-1“Submersible Motor - Pump Set: to deliver 25-28 3/hr at Total Head =750m." that according to the international standard the 25 - 28 3/hr pump never go to total head 750m.There must be an error or typing mistake in total head for this item, the 25-28 3 /hr pump should have a total head about 250m as per international standard. Please, we need a clear reply on this matter.Answer 2: Please refer to the following updated amendments:1.Amendment (2) Lot (1) -RFQ- Section III- Returnable Bidding Forms2. Amendment (2) Lot (1)- RFQ_Section II - Schedule of Requirements3.Amendment (2) Lot (2) -RFQ- Section III- Returnable Bidding Forms4. Amendment (2) Lot (2)- RFQ_Section II - Schedule of Requirements5.Amendment (2) Lot (3) -RFQ- Section III- Returnable Bidding Forms6. Amendment (2) Lot (3)- RFQ_Section II - Schedule of Requirements7.Amendment (1) Lot (4) -RFQ- Section III- Returnable Bidding Forms8. Amendment (1) Lot (4)- RFQ_Section II - Schedule of Requirements9.Amendment (1) Lot (5) -RFQ- Section III- Returnable Bidding Forms10. Amendment (1) Lot (5)- RFQ_Section II - Schedule of RequirementsQuestion 3: We noticed that for Bill 2-1, 2-6, and 2-7, the inverter requirement is defined as “≥1.5 of the rated motor power,” but the motor power (kW) itself is not provided. Suppliers cannot size the inverters without this information. Could you please confirm the rated motor power for these three pump models?Answer 3: The items have already been revised and amended. Please refer to the issued amendmentsQuestions 4: We are writing to request a week extension for the submission of the tender. Additional time is needed to gather necessary information from our suppliers to ensure a complete and accurate submission. We appreciate your understanding and consideration of this request and look forward to your favorable response.Answer 4: An extension will be released shortly. Please check esourcingQuestion 5: Regarding the Pumps Motors in Lot#1: - Are these motors to be oil cooling or water cooling? Answer 5: As specified in clause 2.20, the motors shall be water-filled (not oil-filled).
Edited on:
23-Nov-2025 11:07
Edited by:
webservice@unops.org
New amendment added #1: Amendment 1The purpose of the amendment is to:Extend tender deadline until 27 November 2025. Extender tender clarification deadline untill 20 November 2025Amend and upload the follwoing documents. All amended phrases are highlighted in yellowAmendment (1)- Lot (1)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (1) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (2)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (2) -RFQ- Section III- Returnable Bidding FormsAmendment (1)- Lot (3)- RFQ_Section II - Schedule of RequirementsAmendment (1)- Lot (3) -RFQ- Section III- Returnable Bidding FormsAmend experince for lot (5) to read as follows: "Previous experience Lot (5): The bidder should have successfully completed at least two (2) similar contracts within the last ten (10) years from the date of the bid opening. At least one of the previous contracts should be a minimum of USD 50,000 value. (Similar means Supply of pipes and/ or water equipment" In case of Joint Venture (JV), all joint venture members combined must meet it. (UNOPS reserves the right to request further certified documents/evidence as needed.Amend and upload the dodument "RFQ_Section II_Schedual of Requriment- Criteria". Amended phrase is highlighted in yellowAll other terms and conditions remain the same.
Edited on:
18-Nov-2025 10:14
Edited by:
webservice@unops.org
New clarification added: Question 1: Lot 3, Bill # 3.1How many KW of the below is required.Output Reactor – Rated voltage 380–1140 V AC, 50 Hz;rated power ≥1.5× motor rated power; IP20 indoor enclosure;insulation class F; ambient –25 °C to +50 °C; compliant with IEC 60076 or equivalent . Answer 1: Please refer to the new amendmentQuestion 2: Lot3, Bill 3-3 – how much the size of the VFD and the input Reactor to be installed in the AC Control Box.AC Control Box – Outdoor IP65; factory pre-wired with AC/DC breakers,SPD & control wiring; forced-air cooling; includes VFD & output reactor;compliant with IEC 61439-1 & -2Answer 2: Please refer to the new amendmentQuestion 3: We are writing to request a 10-day extension for the submission of the tender.Additional time is needed to gather necessary information from our suppliers to ensure a complete and accurate submission.Answer 3: An extension will be released shortly. Please check eSourcingQuestion 4: In the tab Document checklist you put delplicate for Form B- Price Schedule Form , should we attach it twice ?? PAnswer 4: One time is enough
Edited on:
17-Nov-2025 11:54
Edited by:
webservice@unops.org
New clarification added: Question 1: I have question regarding Lot 3 - Item# 3(AC Control Box): You mentioned that the control box should includes VFD and output reactor; so what is the size and sepcification of the required VFD & output reactor?Answer 1: please refer to the amended documents. All amended phrases are highlighted in yellowAmendment( 1)- Lot (3) -RFQ- Section III- Returnable Bidding Forms Amendment( 1)- Lot (3)- RFQ_Section II - Schedule of RequirementsQuestion 2: We would like to inquire about the tender [RFQ/2025/60122], Lot 2, concerning the hybrid pump inverters.In the BOQ items: Bill #2-1, Bill #2-6, and Bill #2-7, it is mentioned as “> 1.5 of the rated motor power.” Could you please clarify this point? We would like to know the exact motor power in kilowatts (kW). Answer 2:please refer to the amended documents. All amended phrases are highlighted in yellowAmendment( 1)- Lot (2) -RFQ- Section III- Returnable Bidding FormsAmendment( 1)- Lot (2)- RFQ_Section II - Schedule of RequirementsQuestion 3: in your LOT 1- Request for Quotation (RFQ): Supply, Delivery, and Test New Water Submersible deep-well Pump-motor Units With All Accessories for Water and Sanitation Corporations in Lahj, Al-Dhala'a, and Al-Mukalla, Yemen Sub-projects ID:● EHC-AF3-WS-LAH-010● EHC-AF3-WS-DHL-009● EHC-AF3-WS-HDM-020Regarding Item Bill#1-1, the technical specification requires a total head of 750 meters. We have noted that this requirement is a significant outlier compared to all other pump sets in the bill of quantities. For the purpose of submitting a compliant and accurate tender, we kindly request written confirmation that the total head of 750 meters is correct, or if it should be amended to a different value. We need a clarification in the document received tem No. Bill#1-1, the total head mentioned is 750 mtrs.Is it right? Since other requirements are for head upto 265 mtrs, plz cross check and let us knowAnswer 3: Yes, the total head of 750 m in Item Bill #1-1 is correct as specified.Question 4: Inquiries About Pump (Lot No.1) I would like to inquire about the pump mentioned in Lot No.1, Bill#1-1. According to the specifications, this pump is a submersible motor-pump set designed to deliver 25-28 m³/h at a total head of 750 meters. However, I have noticed that achieving the required pumping capacity (25-28 m³/h) at this elevation seems unfeasible. Therefore, I kindly request a review of this point and reconsideration of the specifications.Answer 4: Please adhere to the specified requirements.Question 5:. Inquiries About Lot No. 2 InvertersI am also writing to inquire about some details concerning Lot No. 2 of inverters. I have noticed that the Sub Project ID has not been mentioned in the Bill Items, which is essential for referencing when determining the inverter size. Specifically, the specifications state that the inverter capacity should be ≥1.5 times the rated motor power. Therefore, it is important for us to know the corresponding Sub Project ID. Additionally, I have observed that in some of the Bill Items, the inverter capacities are specified as follows: - ≥ 50 kW of the rated motor power - ≥ 60 kW of the rated motor power - ≥ 70 kW of the rated motor power - ≥ 95 kW of the rated motor power Could you please clarify whether these specified capacities (50, 60, 70, and 95 kW) refer to the inverter capacities themselves?Answer 5: The items have already been revised and amended. Please refer to the issued amendment and to A2 above.Question 6: Please clarify the capacity for inverters in BOQ item No 1 ,item No 6 and item No 7.Answer 6: The items have already been revised and amended. Please refer to the issued amendment and to A2 aboveQuestion 7: With reference to Lot#1, since there is no indication or specification of the diameter of any submersible pumps , what is the required diameter for each submersible pumps?Answer 7: The Max. Diameter of each offered motor-pump shall not more than 8” or as Form B. please refer to item#2.7. please refer to the amended documents. All amended phrases are highlighted in yellowAmendment( 1)- Lot (1) -RFQ- Section III- Returnable Bidding FormsAmendment( 1)- Lot (1)- RFQ_Section II - Schedule of RequirementsQuestion 8: : With reference to Lot#2: Item#1 , Item#6 and Item#7: you indicated and specified that; Hybrid pump inverter is 3-phase, ≥1.5 of the rated motor power. What is the rated motor power per each item?Answer 8: The items have already been revised and amended. Please refer to the issued amendment and to A2 above.Question 9: With general reference to Lot#2 , please provide us with the rated motor power per each item to provide you with the suitable Hybrid pump inverter.Answer 9: Please refer to the issued amendment and to A2 abovQuestion 10: Please confirm the first pump correct duty is it really 750m head ?Answer 10: Yes, the total head of 750 m is correct as specified.Question 11:We would like to inquire about the tender [RFQ/2025/60122], Lot 2, concerning the hybrid pump inverters.In the BOQ items: Bill #2-1, Bill #2-6, and Bill #2-7, it is mentioned as “> 1.5 of the rated motor power.”Could you please clarify this point? We would like to know the exact motor power in kilowatts (kW).Answer 11: The items have already been revised and amended. Please refer to the issued amendment and to A2 above. Querstion 12: Could you please clarify this point? We would like to know the exact motor power in kilowatts (kW).Answer 12: For lot1, Please refer to the specified technical requirementsQuestion 13: we have a question please, you in different positions two different phrases once (( supply , delivery and test ) while in another position you said ( supply and delivery to water local corporations warehouses)the question is , which one of the phrases we rely on?if there is a test, it means will not accepted till installedAnswer 13: The requirement is “supply, delivery, and test.” The specified tests include Factory Acceptance Tests before shipment and Site Acceptance Tests, limited to applicable site verification tests without installation, such as:Visual checkElectrical functional checks Verification of protections, alarms, and control functions
Edited on:
17-Nov-2025 09:49
Edited by:
webservice@unops.org
New clarification added: Question 1: With reference to Form D: Previous Experience Form of Lot 5, we would like to clarify the following:( Previous experience Lot (5): The bidder should have successfully completed at least two (2) similar contracts within the last ten (10) years from the date of the bid opening. At least one of the previous contracts should be a minimum of USD 50,000 value. (Similar means Supply of Solar System, Solar Pumps, Electrical Cables or Electrical Equipment) In case of Joint Venture (JV), all joint venture members combined must meet it. (UNOPS reserves the right to request further certified documents/evidence as needed)) You have requested previous experience in the supply of solar systems, solar pumps, electrical cables, etc. However, as you know, this lot is separate, and this condition would automatically exclude suppliers who specialize in galvanized pipes. and with this request , you woll reject the main suppliers of Galvanizzed Pipes..Our company’s experience focuses on the supply of all types of galvanized pipes, their fittings, valves, and water meters, which are essential materials for such projects. In fact, the contractors who execute solar system installations usually buy the galvanized pipes directly from us.Therefore, we kindly request you to amend the “Previous Experience” requirement for Lot 5 to be stated as:“Previous experience in the supply of galvanized pipes , Raiser Pipes and their fittings ...etc.”Answer 1: Thanks for bringing this to out attention. An amendment will be released to update previous experience to align with the lot requirements
Edited on:
12-Nov-2025 08:41
Edited by:
webservice@unops.org