IR Heaters Questions and Answers (3).docx
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- Solicitation number
- FA465426R0001
About this file
This is a Questions and Answers document addressing clarifications for the repair and replacement of infrared heaters in Building 438 at Grissom Air Reserve Base. The government will retain five replacement tubes, with priority on the first tube after the burner, which experiences frequent failure. The current heater model is Space-Ray LTU 225,000 BTU/HR. Contractors must reattach existing ductwork in good condition without replacement, maintain the existing height of heaters with stability cables positioned above crane travel paths, and work with supplied power of 120 VAC 60 Hz at 2.6 Amps. The heaters must be single stage units, and manufacturers other than those specified in plans are acceptable provided they meet or exceed stated requirements.
The document clarifies that contractors need not replace the thermostat or low voltage devices, as existing equipment integrated into the base Energy Management Control System will be reused and validated through Havel Controls (Kelly Boocher, 260-497-1546, kboocher@shambaugh.com). Controls work is included in contractor pricing. Recycled metal may be removed from base with the contractor retaining scrap value. A superintendent must remain on-site at all times and may serve concurrently as Quality Control Manager and Safety Manager. Utilities including electricity, water, and gas are provided by the owner at no cost to the contractor. AutoCAD files will not be provided to contractors.
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Text version
Statement 1:
The Government will keep a quantity of 5 tubes. We need the first tube after the burner which is the one that always fails due to heat.
Questions
1. What is the current brand of infrared radiant heaters?
A. Space-Ray LTU 225,000 BTU/HR
2. Are we required to replace the ductwork?
A. No – Reattach existing ductwork and take connections. Use high temp tape for exhaust. Reattaching may require a reducer depending on IR Heater selected.
3. Is the ductwork solid? Is it in good condition?
A. Yes. Ductwork is in good condition.
4. Do we need to match the existing height?
A. Yes. Replace at existing height. Heaters have stability cables that must remain above the travel of the cranes.
5. Nose Dock 4 – Are the tubes up against the bottom of the trusses?
A. Yes. Current heaters have tubes that are very close to the trusses.
6. What about supplied power?
A. In drawings. Voltage 120 VAC 60 HZ 2.6 Amps.
7. Does the metal have to be recycled on base?
A. No. We do have a recycling program on base, but the metal may be taken off base and the contractor may keep any money they receive for the scrap metal.
8. Are we required to replace the thermostat or any low voltage devices?
A. No. Reuse existing thermostat which is integrated into the base EMCS. Validate with Havel (Controls Contractor) that everything is working correctly through EMCS.
9. Will the Controls contract be a separate contract, or is this scope to be included in our pricing?
A. Included in the pricing.
10. Please provide contact information for Havel (Controls Contractor)
| Havel Contact – Kelly Boocher |
| 260-497-1546 |
| kboocher@shambaugh.com |
11. Clarify utilities (electric, water, gas) to be provided by the Owner at no charge to the contractor. There is a contradiction between 1.3 and 1.3.3.
| Here’s a couple examples to | |
| If you need to plug into an available electrical outlet, electricity will be provided. | |
| If you are welding and there is no electricity on site, you will need to provide your | own generator to supply power to the welder. |
12. May the Superintendent also serve as the QCM and Safety Manager?
A. Yes. All 3 roles can be the same person. A superintendent is also required to be on the jobsite at all times IAW FAR clause 52.236-6. At all times during performance of this contract and until the work is completed and accepted, the Contractor shall directly superintend the work or assign and have on the worksite a competent superintendent who is satisfactory to the Contracting Officer and has authority to act for the Contractor. If no superintendent is on site, the base Project Inspectors, CORs, PM Engineer, or Contracting Officer has the authority to stop work at no cost to the Government until a Superintendent is on site.
13. Are manufacturers other than those provided in the plans acceptable?
| Plans don’t specify manufacturer. They only specify the requirements. Products that |
| meet or exceed the requirements are acceptable. |
14. Will Autocad files be shared with contractor?
Autocad files will not be shared.
15. Do the heaters need to be single stage or two stage?
A. Single stage
File details come from the government source that posted it. Updated .