140A2324R0010_Questions_and_Answers_II_0003.pdf
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- Attached to
- Boilers, Pumps and Appurtenances Replacement
- Solicitation number
- 140A2324R0010
About this file
This document is a set of Questions and Answers related to RFP #140A2324R0010 for the Boiler, Pumps and Appurtenances Replacement at the Pierre Indian Learning Center. The RFP requires the contractor to furnish all labor, materials, tools, equipment, and supervision to replace the boilers, pumps, and related appurtenances at the facility.
Key details include:
- The current controls vendor is EPIC Controls, LLC from Albuquerque, New Mexico, and it may be feasible to continue using them.
- The existing water treatment is performed by the BIE Many Farms High School Facility, and no flushing or chemical treatment is required.
- Testing and balancing, electrical load testing, and asbestos testing will be required.
- Temporary heating may be needed if the work is performed during the fall or winter seasons.
- Redundant heating hot water pumps, replacement of air separator, expansion tank, and buffer tank are required.
- Engineered and stamped drawings will be required, and the minimum boiler efficiency should be 85-90%.
The solicitation number is 140A2324R0010, and it is issued by the Department of the Interior Bureau of Indian Affairs Bureau of Indian Education. Questions are due by the close of business on February 14, 2024.
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Questions & Answers No. 2 for RFP # 140A2324R0010 – Boiler, Pumps and Appurtenances Replacement – Pierre Indian Learning Center
Q1: Who is the current controls vendor?
A1: EPIC Controls, LLC from Albuquerque, New Mexico
Q2: Does the current controls vendor have to be used for this work?
A2: May be feasible to use. Since they upgraded the controls side of the HVAC system throughout the building.
Q3: Who is the current water treatment vendor?
A3: We, BIE, Many Farms High School Facility operate the water system and treatment. The water wells are bureau owned. Water treatment is on campus.
Q4: Will the system require any flushing or chemical treatment?
A4: No
Q5: Will the current water treatment vendor have to be used?
A5: Water treatment is performed by BIE, Many Farms High School Facility on campus.
Q6: Will a pre-read be required for test and balance?
A6: Yes, for efficient operation of the new boilers and pump systems.
Q7: Will temporary heating be required?
A7: If the contract work is started in the Fall or Winter Seasons. Temporary heating will need to be required as this work is on the main school classroom building. The work will be advantageous if performed during the summer hours. After the Summer School Sessions. The boiler work will require the cooling chiller system to be shut down during the contract work.
Q8: Will a panel load test be required?
A8: Yes, to make sure that the electrical loads of the new boilers and pumps have adequate amperage loads when in operation mode.
Q9: Has an ACM report been obtained by the facility?
A9: Yes
Q10: Will any of the work be required to work after hours?
A10: The work hours in the requirement state 8:00am-5:00pm Monday-Friday. Work after hours will depend on the status of the work progress.
Q11: Will a second heating hot water pump need to be installed for redundancy?
A11: Yes, a second heating hot water pump and piping will need to be installed. For back up purposes.
In case one fails. As well as isolation distances to acquire replacement parts and ordering lead times.
Q12: Please confirm the air separator needs to be replaced.
A12: Yes, the air separator will need to be replaced. It is the original tank installed when the building was constructed. (Year 2000) 24 years to date.
Q13: Please confirm the expansion tank needs to be replaced.
A13: Yes, the expansion tank will need to be replaced. It is the original tank installed when the building was constructed. (Year 2000) 24 years to date.
Q14: Please confirm the buffer tank needs to be replaced.
A14: Yes, the buffer tank needs replacement. The original tank was installed when the building was constructed. (Year 2000) 24 years to date.
Q15: Please provide a make and model of existing expansion tank, buffer tank and air separator.
A15: Existing Expansion Tank: Make: Bell & Gossett Model: D40 Horizontal Tank National Board No. 88446 Year: 2000 Existing Buffer Tank: Make: Bell & Gossett Model: D80 Horizontal Tank National Board No. 88464 Year: 2000 Existing Air Separator: Make: Bell & Gossett Model: BY536303-001 Part No. 1-12075 Serial No. 78217 National Board No. 0217 Year: 2000
Q16: Please confirm recirculation pumps are to be replaced.
A16: Yes, the recirculation pumps will need to be replaced. I believe it was replaced once since Year 2000. And seals replaced.
Q17: Will engineered and stamped drawings be required for this project?
A17: Yes, to have information on the new boilers, motors, pumps, relief valves, wiring schematics, operational maintenance information, and warranties.
Q18: Is the roof over the boilers currently under warranty? If so, please provide the name and contact of the warranty holder
A18: No, Warranty unknown. Building was constructed in Year 2000 with asphalt rolled roofing.
Q19: Is there a minimum efficiency requirement for the new boilers?
A19: Minimum efficiency of 85%-90%
Q20: Are combustion air filters required for the boilers?
A20: It would be ideal with high efficiency boilers.
Q21: Is the buffer tank a required item for the heating loop or can it be removed if possible?
A21: The buffer tank can be replaced and remain for the heating loop unless there is another alternative design to reduce excessive cycling of the boiler.
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