Replacement Boiler

The United States Army Corps of Engineers (USACE) hereby issues solicitation W912EK23Q0029 for the purchase of two new ultra-high efficiency, condensing boilers to be delivered to the Mississippi River Project Office (MRPO) in Pleasant Valley, Iowa. Solicitation and all instructions to complete and submit bids are in attachments/links section below. Technical inquiries and questions relating to this solicitation are to be submitted to Jocelyn Rain jocelyn.w.rain@usace.army.mil no later than July 17, 2023. Update 7/20/2023: Questions were submitted this week via email. The questions asked and provided answers are posted here: Q1: Do you prefer water of fire boiler tube. A1: Water boiler tube is preferred. Q2: What System Fluid Type. 100% Water or Propylene Glycol. Please specify percentage. A2: The system fluid type is Glycol with a range of 200 to 300 gallons. Q3: What is the Main Piping Size. A3: It starts out a 2 inch for a foot then increases to a 2 1/2 inch for ten feet then back down to 2 inch. Q4: What is the main System GPM Flow. A4: It is a 25 GPM Pump is a Bell & Gossett Model #FVB56T17D5598D P Q5: What are the Existing Expansion Tank Size/Dimensions and type: Ceiling Compression Bladder/Diaphragm. A5: It's a Bladder Tank / Amtrol Tank Size ST30VC.

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