Attachment 7 - Questions and Answers (Revision 2) - Boiler Replacements B520.pdf

Number Question Answer

Question:

Will GAFB provide the List of Attendees?

Answer:

Yes, Record of Attendance will be provided with Amendment 0002.

Question:

Do you anticipate an extension for Quote due date (Mar. 29)?

Answer:

Yes, an extension is anticipated. Dates changed from 29 March to 5 Apr 2023.

Question:

Sections 52.228-1, 52.228-15 indicates Bid Guarantee, Performance and Payment Bonds Construction, are these items required for this contract?

Answer:

Yes, Bid Guarantee is required and FAR Clause 52.228-1 is included in Solicitaion.

Yes, Performance and Payment Bonds Construction are required and FAR Clause 52.225-15 is included in Solicitaion.

Question:

For the Boiler and filtration equipment concrete bases, what type of work is expected? For example repair and coating paint on the bases?

Answer:

Mechanical housekeeping pad work would only consist of modifications needed for adaptation of the existing boiler pads to fit the footprint of the new boilers, if nessasary. This would include dowed in rebar to secure the new section to the existing pads.

Question:

Is there a plan to combat the thermal expansion problem?

Answer:

Yes, the Governent has confired with the HVAC Shop, and will be updating the SOW to include replacement of the existing Expansion Tank (ET). The location for the ET will be located on the floor in front (West side) of the existing boiler mechanical pads. An updated Attachment 1 - Statework of Work (Revision 3) is provided in Amendment 0002. Changes are in - Section 3, 3.4.7 and 8, Section 4, 4.2 (p, q, r, and s)

Question:

Is there a plan to provide new make up water for the boiler system?

Answer:

Yes, heating water, make-up piping/system replacement will be included as an additional requirement in association with the replacement of the existing expansion tank. An updated Attachment 1 - Statework of Work (Revision 3) is provided in Amendment 0002. Changes are in - Section 3, 3.4.7 and 8, Section 4, 4.2 (p, q, r, and s)

Question:

Is the air force base handling the makeup water and expansion tank, or should we include it in our estimate?

Answer:

Revised SOW indicates the Contractor shall replace the heating water tank and associated makeup water piping to the Government specified location on the floor of the boiler room.

Question:

I would assume we are installing the tank and water makeup valve.

However, I would appreciate it if you can give us the information on the size of the tank and pipe that is required.

Answer:

The Contractor shall use the information in the revised SOW Sections 3 and 4 to derive this information. Existing Heating water system expansion tank measures roughly: 24 inches diameter, and 76 inches length

Question:

Also if you have a certain water makeup valve that you like, we would appreciate that information as well.

Answer:

The Contractor shall provide industry standard valves of an appropriate material, size, and configuration as it pertains to the description in the SOW. The Government SOP for valves is (Lead Free, full port)

Question:

We would like to get some details drawings and pictures on B519 regarding the heating project.

Answer:

Provided in the solicitation package. See Attachment 1 - Statement of Work (Revision 3).

Question:

Temporary heating - Does the base have a solution for temporary heating while the job is in progress?

Answer:

The North boiler shall stay in operation while the (now inoperable) South boiler is replaced and brought online. At that point, the (Operational) North boiler can be replaced. This is the plan to maintain heat to the facilities dependent on B520 for heat.

FA303023Q0008 - Questions & Answers (Revision 2) Boiler Replacements B520

Additional Q&A that opened 28 March 2023 and closed 30 March 2023.

Question:

What are the emission requirements for this boiler?

Answer:

There is nothing in the UFC Emissions Requirements other than: (Low NOx) Burners, and CO monitors (also a TX requirement).

Texas State regulatory requirements:

https://texreg.sos.state.tx.us/public/readtac%24ext.TacPage?sl=R&app =9&p_dir=&p_rloc=&p_tloc=&p_ploc=&pg=1&p_tac=&ti=30&pt=1 &ch=106&rl=4

(a) the following general requirements must be met.

(1) Total actual emissions authorized under permit by rule from the facility shall not exceed the following limits, as applicable:

(A) 250 tons per year (tpy) of carbon monoxide (CO) or nitrogen oxides (NOX );

(B) 25 tpy of volatile organic compounds (VOC), sulfur dioxide (SO2), or inhalable particulate matter (PM);

(C) 15 tpy of particulate matter with diameters of 10 microns or less

(PM10 );

(D) 10 tpy of particulate matter with diameters of 2.5 microns or less (PM2.5 ); or

(E) 25 tpy of any other air contaminant except:

(i) water, nitrogen, ethane, hydrogen, and oxygen; and

(ii) notwithstanding any provision in any specific permit by rule to the contrary, greenhouse gases as defined in §101.1 of this title (relating to Definitions).

Question:

Can the specs for the new expansion tank be supplied?

Answer:

Answered in the original Q&A sections added with system specifications needed to properly size the tank

Question:

Can the end user supply either volume of system water or size of existing tank?

Answer:

Answered in the original Q&A sections added with system specifications needed to properly size the tank

Question:

The detail for system volume is the dimensions of the building, not the volume of water. Not sure how to size a system volume from Length Width & Height of a building. Can you shed some light on this sizing issue?

Answer:

The size of the facility tells them how large the system is.

These are calculations that are used to determine the required tank capacity.

Question:

Could the end user supply diameter and length of the existing expansion tank?

Answer:

See answer for Q &A #8