Questions and Answers.pdf

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Supply and Installation of Air Handling Unit and conduits for basement ventilation at US Embassy Madrid, Spain
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19SP5025Q0015-QuestionsandAnswers
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This document is a Questions and Answers (Q&A) file for Request for Quote (RFQ) No. 19SP5025Q0015, relating to the supply and installation of a dedicated outside air handling unit and conduits for the basement area at the U.S. Embassy in Madrid, Spain. The Q&A addresses five key technical clarifications from potential contractors, covering aspects such as pipe installation from the boiler room, metal base height requirements, acoustic screening, pipe removal, and potential masonry work. The responses reference specific pages of the Statement of Work (SOW), providing detailed guidance on noise level requirements, installation specifications, and contractor responsibilities for equipment placement, noise mitigation, and potential structural modifications during the installation process.

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RFQ No. 19SP5025Q0015

SUPPLY AND INSTALLATION OF A DEDICATED OUTSIDE AIR HANDLING

UNIT AND CONDUITS FOR THE BASEMENT AREA AT U.S. EMBASSY

MADRID

QUESTIONS AND ANSWERS

Question 1: Is the installation of pipes from the boiler room included in the SOW?

Answer 1: Yes, the contractor must run the connection pipes from the boiler room to the AHU through the electrical room.

Question 2: Is a 30 or 40 cm metal base to bypass the register included in the SOW?

Answer 2: Yes, the high must be 30 cms to be able to open the manhole on the floor.

Question 3: Is an acoustic screen above necessary?

Answer 3: No, according to the SOW pag 8: The Contractor shall design and install isolation mechanisms and acoustic insulation around the equipment, as required to ensure noise and vibrations in the occupiable spaces do not exceed the following:

• External noise levels at the site boundary of the facility shall comply with the host country’s noise laws and regulations. When local standards do not exist, noise shall not exceed 55 dB (daytime) and 45 dB (nighttime) using the “A-Weighted Sound Level.”

• Internal noise levels within buildings shall not exceed RC-35N in residences per ARI Standard 885-90.

• Acoustic Insulation screen (wall) around the unit maybe required to accommodate the noise level requirements

Question 4: Shall the provisional flexible pipes be removed by the contractor?

Answer 4: Yes, according to the SOW page 10 the contractor shall remove if not used horizontal supply and return ducts

Question 5: Should masonry work be included in case the ceilings need to be lowered?

Answer 5: Yes. According to the SOW: The Contractor shall repair any damage to existing walls, slabs, or adjacent structures caused during construction.

File details come from the government source that posted it. Updated .