RFQ Construction Contract for Small Works - The Provision of Rehabilitation Works :LOT#1 - For Marib General Hospital in Marib, and LOT#2: For Dr. Ammen Nasher Higher Institute for Health Science in Aden - Yemen

New amendment added #6: Amendment No. 6 is issued to upload the revised BOQ related to LOT-1 (Annex 1-Marib General Hospital Authority BOQ-Amendment#2)

New clarification added: Question: Lot 1 – Plumbing, Item 5.1.9 (R.O. & Water Filters): The BoQ specifies a capacity of 1,500 L/h, while the drawings indicate 0.83 L/s (equivalent to 3,000 L/h). Kindly confirm the correct capacity.UNOPS Answer: There was a typographical error in the BoQ. The correct capacity is 3,000 L/h (0.83 L/s) as shown in the drawings. The BoQ has been updated accordingly to avoid any discrepancy and will be published soon under (Documents tab). 

New clarification added: Question 1: 1. Marib: Hvac works, Duct works, Item No 3.7.1, the duct was mentioned to be insulated with 24 kg/m3, and also Item No 3.7.3 was mentioned also to be insulated with 24kg/m3 fiber insulation, we think that Item No 3.7.1 should be with insulation.UNOPS Answer: HVAC Works – Duct Insulation (Items 3.7.1 & 3.7.3): Kindly note that uninsulated ducts are intended only for the exhaust & fresh air system.All other ducts requiring insulation will follow the specifications stated in the BoQ.Question 2- could you please extend the deadline UNOPS Answer:   Please note that the tender closing date was extended till 24 Nov 2025

New clarification added: Questions:فى اي نافذه يتم تحميل المواصفات الفنيه للمواد والكتلوجات ونموذج Annex 2-Dr.Ameen Nasher _ Section_III_Returnable_Technical_QuestionnaireUNOPS Answer:The submission of the Technical Questionnaire and the related data sheets for both lots should now be uploaded under the updated UNOPS portal (e-sourcing -Checklist tab)Regards, 

New amendment added #5: Amendment No. 5 is issued to update the documents listed in the checklist, requiring the submission of the Technical Questionnaire and the related data sheets for both lots.

New amendment added #4: Amendment No. 4 is issued to :1. To upload the revised questionnaire for lot 1 and lot 2- Document named (Annex 2-Marib General Hospital Authority_Technical_Questionnaire-DR (ver#2))- Document named (Annex 2-Dr.Ameen Nasher _ Section_III_Returnable_Technical_Questionnaire (ver#2))The two documents are available under the e-sourcing (Documents) tab2. To extend the tender closing date to 24 November 2025 and the deadline for clarification to 20 November 2025

New clarification added: Question:In Marib General Hospital Authority-Surgery Department BOQPlumping works-Domestic water-PPR Piping-item 5.1.2.1There's no quantity so please check it and confirm us .UNOPS Answer:Please note that the quantity for this item was shifted/allocated to the following BOQ line item (5.1.2.2), therefore no quantity appears under item 5.1.2.1.Regards 

New clarification added: Questions:- The following points require clarification for the HVAC : Ameen Nasser Hospital :1. Cooling Capacity and Fresh Air: The cooling capacity of the unit is insufficient to handle the fresh air load, even with an ERV, due to the dry-bulb and wet-bulb temperature in Aden. Marib Hospital :1. VRF Outdoor Unit Casing: The VRF outdoor unit does not have a double-skin construction.2. VRF Outdoor Unit Capacity: The cooling capacity of the outdoor unit is too small to feasibly contain two compressors.3. Refrigerant Type: The use of R32 refrigerant may be limited. Clarify if R410A is an accepted alternative.4. AHU Cooling Capacity: The total cooling capacity of the AHU is identical to its sensible cooling capacity. Therefore, this unit cannot handle latent heat from the recirculated air.5. Clean Room Controls: The proposed DDC control and VFD cannot maintain constant air flow and pressure for the served Clean Room. Specify the type of control that will maintain a constant air change per hour (ACH).6. Return Diffusers: The use of perforated return diffusers is not acceptable, as they do not meet multiple design requirements.7. Ductwork Quantities: The quantity of GI ductwork does not match the quantities required for the outside and inside insulation.- Furthermore, We would like to clarify points regarding the electrical works.1. As per the of the lighting specifications in the BoQ are different from the lighting specifications in the drawings, shall the contractor provide the lightings upon the BoQ or drawings specifications?UNOPS Answers:Ameen Nasher1-The fresh air load and cooling capacity calculations were performed using HAP 6.2 based on Aden’s climatic conditions, and the results confirm that the selected unit capacity is sufficient to handle both the sensible and latent loads, including the fresh air requirement.Marib Hospital:1- Please be informed that this requirement was stated in the specifications to ensure proper thermal and environmental protection for the units.2-Please note that the selected VRF outdoor unit model includes a single high-efficiency compressor suitable for the stated cooling capacity. The BOQ description is generic and does not override the technical specifications. The unit fully complies with the cooling load requirements, and the presence of a single compressor in this capacity range is standard and acceptable.3-As clearly stated in the specification:“Refrigerant to be of environment friendly (R-32).”Accordingly, R-32 is the primary and required refrigerant type for this project, due to its better environmental performance and higher efficiency when compared to R-410A (lower GWP and improved capacity per unit mass).4-Please note that the HAP 6.2 calculations confirmed that both sensible and latent loads are met according to the design conditions, even when the total cooling capacity appears equal to the sensible capacity in the output tables. The software performs detailed psychrometric analysis that ensures the unit’s ability to remove latent heat and achieve the required indoor humidity level. Accordingly, the selected AHU fully satisfies the project requirements with no deficiency in latent-load handling.5-Please note that the system is designed as CAV, where the required ACH and pressure are achieved through constant supply airflow with manual balancing. Therefore, DDC or VFD room-level control is not required for this application.6-Kindly note that the use of perforated return diffusers complies with the functional requirements of ASHRAE 170. The standard does not prescribe specific diffuser types, but rather emphasizes achieving proper airflow patterns, pressure relationships, and contamiPerforated return diffusers offer uniform ceiling-level extraction, reduce turbulence, and support laminar flow patterns, especially in spaces where minimizing air recirculation and maintaining directional airflow are critical. Their implementation aligns with the ventilation and infection control objectives without conflicting with any code requirement.7-Please note that the BOQ quantities under this item represent non-insulated GI ductwork only, as the insulated ductwork quantities are already included and covered under the insulation BOQ items.Therefore, the quantities shown for this item are correct and intended only for non-insulated duct sections, while all insulated ducts are measured, priced, and accounted for within the insulation items.For the Electrical comments it is the same of # Q10 .Regards,

New amendment added #3: Amendment No. 3- is issued to upload the revised BOQ related to LOT-1 (Annex 1-Marib General Hospital Authority BOQ-Amendment#1)

New clarification added: Question:Subject: Request for Shop Drawings - Item 1.2.2, Mechanical (Plumbing) SectionWe are writing to you regarding documentation for Project No. 2: Dr. Amin Nashir Higher Institute of Health Sciences in Aden.During our review of the tender/construction documents for the Mechanical – Plumbing section, we noted that Item 1.2.2 – which pertains to the "supply and installation of 4*3*3m glass-reinforced plastic tanks complete with steel supports, filling, drain, and overflow pipes, pool edges, float valves, pipe fittings, manholes, access panels, stainless steel ladders inside and outside the tank, complete with all valve fittings, a 2-inch fill water pipe connected to the existing water pipe, and all associated civil works..." – lacks the accompanying detailed shop drawings.These drawings are essential for a comprehensive understanding of the item requirements and to ensure the accurate execution of the works as described in the specifications. Since the lack of these drawings prevents us from preparing an accurate and complete quotation for the item,to ensure clarity and proceed with our work according to the required design, please provide us with the detailed shop drawings related to this specific item as soon as possible.UNOPS Answer:under bill item 1.2.2, the detailed shop drawings are normally the responsibilities of the selected contractor’s scope. These shop drawings shall be prepared and submitted by the approved manufacturer/vendor in accordance with the project specifications and the supplier’s technical data. The design drawings in this tender will provide only the general arrangement and location, while the final fabrication and installation details are issued by the contractor as per the procedures of the tank manufacturer.Regards 

New clarification added: Question:We have a few questions regarding: Both LOT#1 & LOT#2 in Electrical Division No. 02, specifically within the lighting section.1. We have noticed discrepancies between the specifications listed in the BOQ and those shown on the drawings.For instance, BOQ item No. 2.2.6 in LOT#1 is specified as:o   (60x60) cm LED panel light fixture, recessed/surface installation.o   CLEAN-ROOM (ANTI GERMS)o   Power: 40Wo   Luminous efficacy: Minimum 100 lm/Wo   Mounting type: Ceilingo   Aluminum body with PMMA diffusero   Ingress protection: at least IP44o   Correlated color temperature: 6500-7000K, CRI >90However, the same item on the drawings is described as:o   Recessed LED lighting fixture, 600x600 mm, clean/anti-germso   Steel housing, tempered glass, opal optical covero   40W, 3500lm, IP65, CRI >90, 6500K As shown above, there are significant differences between BOQ and drawing specifications, including in IP rating, lumen output, materials for the housing and diffuser, and more.We propose that for cleanroom applications, the specifications in the drawings should be considered correct.This type of discrepancy exists with most of the remaining lighting fixtures in both LOTs. Could you please review and confirm which set of specifications we should use in our proposal? Should we follow the BOQ or the drawings? 2. We also have a question about Annex 4-2-Marib Hospital-Electrical Spec & Annex 3-1-Dr.Ameen Nasher -Electrical Spec, specifically Section 16510: Lighting Fixtures and Lamps, section 2.14 LED Lamps.Regarding the requirements:o   Color temperature: 3000-4000 Ko   MacAdam step: 3-4o   Life hour= 50000 hour LT80o   Minimum efficacy: 100 lm/Wo   5-year warrantyWe would like clarification on whether these are mandatory requirements for every LED fixture?UNOPS Answers:1- 1. For  LOT#2 There is no discrepancy.For Item 2.2.6: The updated BOQ will be published soon to reflect similarity in IP. The BOQ is updated and the modification is highlighted in yellow for your easy reference. 2.  There is no discrepancy between the drawings and BOQ. Each area has its own different LED requirements as indicated in the BOQ. For example, the Operating rooms have their own specialized lighting fixtures, and similarly, every area has lighting fixtures selected and distributed according to its specific function and requirements. The Electrical Specifications document provides general requirements for electrical works as a whole. It is not intended to define the detailed specifications of each item. The technical specification is a general reference in case of any confusion or lack of a detailed description in the BoQ. The bidder must submit a quotation for the item specified in the BOQ, as it already provides the full detailed specifications for the lighting fixtures- including power rating, lumen output, CCT, IP rating, and all other required data- it is considered sufficient and is the basis to be followed. Regards 

New clarification added: Question:in Marib General Hospital Authority-Surgery Department-in HAVC section: could you please confirm the ACs capacity by (ton) in this sectionUNOPS Answer:The AC capacities are indicated in the HVAC Equipment Schedules shown on drawing No. M-016, and they are also listed in the HVAC BOQ, where the units are specified in kW. You have to submit your quotation as per the tender requirements, i.e, measurement of capacity of the ACs shall be in kW.Regards

New clarification added: Question:In the Mechanical Department – Plumbing Works, specifically under item No. 1.2.2, we would like to inform you that we did not find any detailed drawings related to this item. Therefore, we kindly request you to provide the detailed shop drawings for clarification purposes.UNOPS Answer:Please note that  item 1.2.2- (the detailed shop drawings) are normally the responsibilities of the selected contractor’s scope. These shop drawings shall be prepared and submitted by the approved manufacturer/vendor in accordance with the project specifications and the supplier’s technical data. The design drawings in this tender will provide only the general arrangement and location, while the final fabrication and installation details are issued by the contractor as per the procedures of the tank manufacturer.Regards, 

New clarification added: Bidder's Question:ماذا يقصد بتقديم دليل على التواجد فى اليمن Document name :  Evidence of physical presence in YemenUNOPS Answer:The company must have an office and physical presence in Yemen. So, please indicate your office location and verification by providing valid commercial registration certificateRegards

New clarification added: Bidder's Question:We noticed a difference between the BOQ and the drawings for the medical gas system. The drawings show five (5) pendants in the operating rooms, but these are not listed in the BOQ. Please advise if these pendants should be included in the scope. UNOPS Answer:Regarding the medical gas system, the drawings include only the medical gas piping and related connections. As for the pendants, they will be procured and delivered separately under a new tender for Furniture & Medical Equipment BOQ.Regards,

New clarification added: Bidder's Questions: - The initial timeframe specified in this tender is very short and does not correspond to the scope of work, the tender components, or the estimated time required for preparing and submitting the bid as outlined in the original tender documents. Therefore, we kindly request your approval to extend the bid submission deadline by an additional ten days.- We request an extension of the tender closing date so that we can study it more thoroughly. Please extend the bidding period so that we can submit a complete and competitive bid.  - We kindly request an extension to the submission deadline for the above-referenced RFQ/2025/60205 - To ensure full compliance with the RFQ requirements, we require additional time to complete several essential technical and coordination tasks.- In light of this, we kindly request an extension of four (4) weeks. This additional period will enable us to submit a technically robust, accurate, and competitive proposal that ensures fair competition and supports UNOPS in achieving the highest value and quality for both rehabilitation projects.- Kindly Extend The Submission Deadline.- We kindly request an extension of the submission deadline for the tender submission deadline. The extension will allow us to finalize the required documents with the highest level of accuracy and compliance.UNOPS Answer:Please note that the project has a limited timeline, and we can grant the extension only until 23 November 2023, noting that the new dates for clarifications and bid submission have already been published.Regards,

New amendment added #2: Amendment No. 2 is issued to extend the tender deadlines as outlined below and in response to several requests from bidders: - The Deadline for bidders’ clarifications: 18 November 2025- The Tender closing date (deadline for submitting offers): 23 November 2025

New amendment added #1: Amendment No. 1 is issued to upload the revised documents listed below and to notify bidders that, if a bidder intends to participate in both lots, they must propose separate teams for each lot. The additions are highlighted in yellow:- Document named (Small_Works_RFQ_Section_II_III_IV_V (Ameen Nasher) ver.2)- Document named (Small_Works_RFQ_Section_II_III_IV_V (Marib Hos.) ver#2)The two documents are available under the e-sourcing (Documents) tab

New clarification added: Question: We have the following inquiries for LOT#1:1. Please confirm the requirement for 10 x Hard Disks 10TB under item 6.2 ELEC, as the available SATA slots of 64-CH NVR are fewer than 10, and considering the total number of cameras in the system.2. Regarding item #14.2 ELEC, there are no reliable sources for UPS systems compatible with lithium batteries. May we propose using UPS with AGM batteries instead?3. Additionally, please confirm the quantities for items #5.1.7.1 and #5.1.7.2 — should these be considered as one set or two sets?4. Please confirm whether the BMS is included within the HVAC system scope.UNOPS Answer:1.Please adhered to the  requirement specified in the Bill of Quantities (BOQ), as surveillance camera recorders with this capacity are available. Furthermore, the surveillance camera recorder (NVR) will be for the entire hospital, not just the ICU & OP. Therefore, its storage capacity must be large.2.New UPS systems use lithium batteries because they work better and last longer. For this reason, we must stick to the specifications listed in the Bill of Quantities (BOQ).3.One set as per drawing.4. No, it is not includedRegards,