AMD 0003 12905B24R0007 - RFI Updated 032524.xlsx
XLSX spreadsheet 18 KB Posted
- Attached to
- Boiler Upgrade and Replacement
- Solicitation number
- 12905B24R0007
About this file
This document is a Request for Information (RFI) related to a federal contract opportunity for boiler upgrade and replacement at the USDA Agricultural Research Service San Joaquin Valley Agricultural Sciences Center. The RFI contains questions and responses from potential contractors regarding the Statement of Work (SOW) and details of the project, including site visit logistics, controls, piping, equipment, site conditions, water treatment, and testing and balancing requirements. The overall federal contract opportunity is for a Firm Fixed Price Construction Contract estimated between $500,000 and $1,000,000, with a completion timeframe of October 31, 2024. The contract will be reserved 100% for small businesses under NAICS Code 238220 - Plumbing, Heating, and Air-Conditioning Contractors.
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Sheet1
| RFI # | Date Received | Date sent to customer | Spec/Drawing reference | Question / RFI | Government Response | |
| 1 | 3/12/24 | 3/12/24 | Far 52.236-27 - Site Visit (Page 51) / Section L | According to the RFP documents, an organized site visit is scheduled for 9:00am March 14th, 2024 at USDA SJVASC. To allow contractors who cannot make this visit an opportunity to inspect existing site conditions, will the government organize a second/follow up site visit prior to the RFI deadline? | We can hold another site visit for 3/21/2024 @ 9:00AM. All RFI's due on 3/29/24 by 1600 hours. (4:00PM) | |
| 2 | 3/15/24 | 3/15/24 | Far 52.236-27 - Site Visit (Page 51) / Section L | possibility of arranging an additional site visit | See RFI # 1 response above | |
| 3 | 3/20/24 | 3/20/24 | SOW - Controls | Controls: | ||
| 1)During the site visit, additional sensors for the BMS system were mentioned. Is the scope to include additional sensors? And if so, what additional sensors would you like added? | Need a low water cut-off safety if not supplied with new boiler. | |||||
| 4 | 3/20/24 | 3/20/24 | SOW - Piping | Piping: | ||
| SOW / 4. It states that “All new pipes shall be painted and insulated in accordance with industry standards.”Usually, the piping is insulated, and the insulation is painted. Please clarify. | All piping that is not insulated shall be painted. Gas pipes do not need to be painted. All insulated pipes will be painted as industry standards require. | |||||
| 5 | 3/20/24 | 3/20/24 | SOW - Equipment | Equipment: |
The existing boiler is larger than the door opening. May door and frame be removed to facilitate replacement of the boiler? During the site walk it was noted the pumps were desired to be in a lead/lag configuration. Please confirm.
| After some quick calculations, the existing pumps may not be sufficient to run independent of each other. Would the government be open to including replacing with appropriately sized pumps and controlling with VFD’s? | Entry door will need to be removed and reinstalled by contractor to allow for removal and installation of boilers. Pumps 9&10 have a VFD so would only need one pump running per boiler if sufficient to run only one per boiler. New electronic actuator for water flow needs to be closed when boiler is off. Need to have one boiler in a lead and the second on a lag. Second boiler starts on demand or on temp. | ||||
| 6 | 3/20/24 | 3/20/24 | SOW - Site Conditions | Site Conditions: |
Can utility map outside of the boiler room be provided?
| Will the shrubs be removed by USDA prior to beginning the scope? And will the Prime be responsible for replacing them? | Location can provide as builds of boiler room specs. Shrubs will be removed by location prior to work beginning. | |||||
| 7 | 3/20/24 | 3/20/24 | SOW - Water Treatment | Water Treatment: | ||
| Is the current HHW loop treated on a regular basis? And if so, can a copy of the latest test results be provided? Is water treatment to be included in the scope? | HW loop is treated with chemicals by location. Water treatment is not part of the contract. | |||||
| 8 | 3/20/24 | 3/20/24 | SOW - Test and Balance | Test and Balance: | ||
| Is TAB pretest and post test of the boiler to be included in the scope? | Contractor should perform a Pretest and Post test of boilers to insure proper performance. To include the 4304 tunning of boilers. | |||||
| 9 | 3/22/24 | 3/22/24 | SOW | The SOW does not mention the existing heating hot water pumps and expansion tank to be replaced. Do these items need to be included in our bid? | Pumps and expansion tanks are not being replaced. | |
| 10 | 3/22/24 | 3/25/24 | SOW | Will this boiler need to be Air Board Certified? | We would need boiler to be 4304 tuning only | |
| 11 | 3/22/24 | 3/25/24 | SOW | Is USDA looking to modify the controls sequence for the boilers? | Boiler will need to be controlled by the Building Automated System. |
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