Attachment 4 RFI LOG DATED 27 May 2025.pdf

RFI # Question/Clarification Response

The specifications include Division 9 finishes, Division 23 HVAC, Division 31 Earthwork, and Division 32 Exterior improvements. We are unable to find references to any of those trades on the plans. Please advise.

The scope covered under these specifications (Divisions 9, 23, and 31) may be limited; however, adherence to these specifications is mandatory and applies to the work shown in the Contract Drawings. Please refer to the general and key notes on the Contract Drawings for further details. Additionally, other specification divisions referenced in the Contract also refer back to the requirements. In short:

Division 9 specifies requirements for painting, patching, and related tasks necessary to complete the work.

Division 23 covers electric unit heaters and seismic bracing.

Division 31 addresses excavation work required for the demolition phase.

Please confirm this is a design build project and the government provided drawings are for reference only.

The project is a design-bid-build delivery method, not design-build. It incorporates a delegated design deferred submittal approach as outlined in the Unified Facilities Criteria (e.g., UFC 3-600-01) and the Air National Guard Engineering Technical Letters (e.g., ANG-ETL 24-01-03 and ANG-ETL 24-02).

3 Please confirm how many design submittals are required.

The number of design submittals shall be as required to satisfy the Scope of the Project outlined in the Contract Documents.

For additional details, please refer to Specification Section 01 33 00.

Please confirm we are to include adding fire sprinkler heads in the other rooms within building 1203.

Pump Room 102 is the only room in Pump House B1203 required to be protected by sprinklers and room should be protected as Ordinary Hazard Group 1 (NFPA 13).

Requests For Information (RFIs) - W50S7525BA012 - 146 CES Pump House B1203 Repair

Please confirm that our scope is limited to the installation of fire sprinkler piping, flow switches, and tamper switches, and that the fire alarm contractor will be responsible for all wiring, connections, and testing.

The contractor shall be responsible for the fire protection installation as specified in the contract documents (drawings and specifications). Additionally, the contractor shall coordinate with the basewide fire alarm contractor (see General Note on Drawing 1203-FA101) such that a fully functional, code-compliant system is installed and commissioned.

6 Please confirm if the existing piping paint contains Lead.

Due to the age/era of the existing system installation (1988- 1989), which was after the phase-out of lead-based paint in the 1970s and the 1978 CPSC ban, no hazardous materials are expected. In the event that unforeseen hazardous materials are discovered during construction, the awarded contractor shall follow the requirements outlined in Contract Specification 01 35 26, paragraph 3.1.3.

Are there any items the Government wants to keep from this building or is all to be removed?

There are no items within Pump Room 102 that the Government wishes to retain. All items are to be removed in accordance with the Contract Documents.

Please confirm the system is not currently working and outages will not be required.

The current system is impaired, and any outages required to complete the installation, as specified in the Contract Documents, shall be coordinated with the Government.

s the KTR required to install new Electric Unit Heaters as shown on E101?

Yes, the awarded contractor is responsible for installing the new Electric Unit Heaters as shown on drawing E101.

10 Please confirm if P6 scheduling is required.

Other commercially available scheduling software is acceptable in lieu of P6, provided it can deliver the level of detail required by the Contract Documents.

11 Please confirm if (1) site manager can be Super/QC/SSHO

Given the complexity of the project, the Site Manager may serve as the Project Superintendent, Site Safety and Health Officer (SSHO), and Quality Control Manager, provided they meet the qualifications outlined in the Contract Documents.

Please confirm if section “3.4.3 CQC Personnel” in specs is mandatory. Having these individuals on site can cost a significant amount of money that’s not necessarily needed.

Yes, 3.4.3 is mandatory; however given the complexity of the project, the Site Manager may serve as the Project Superintendent, Site Safety and Health Officer (SSHO), and Quality Control Manager, provided they meet the qualifications outlined in the Contract Documents.

Please confirm if section “3.4.2 CQC System Manager” is mandatory.

Having the CQC be a licensed engineer seems unnecessary.

Yes, 3.4.2. is mandatory; however the CQC System Manager can be an individual with a minimum of 5 years combined experience in the following positions: Project Superintendent, QC Manager, Project Manager, Project Engineer or Construction Manager on similar size and type construction Contracts which included the major trades that are part of this Contract. The individual must have at least 2 years experience as a QC Manager. The individual must be familiar with the requirements of Cal/OSHA and have experience in the areas of hazard identification and safety compliance.

Please confirm if all components are required to be painted red or if the new piping is the only requirement.

Only the new piping is required to be painted red.

15 Please provide the most recent annual fire pump test reports.

The fire pumps are currently impaired, and therefore, no recent annual test reports are available at this time.

16 Is dry type sprinkler system (pre-action) desired in room 101A?

Pump Room 102 is the only room in Pump House B1203 required to be protected by sprinklers.

17 Will the fire pump controllers require an automatic transfer switch?

It was determined during B Services that the site has reliable power. Therefore, no Automatic Transfer Switches or backup generators are required for this installation.

Will the Government supply their own QFPE or will the KTR need to cover this in their proposal.

In accordance with the Contract Documents, ANG-ETL 24-01- 03, and UFC 3-600-01, the Contractor is required to provide their own Qualified Fire Protection Engineer (QFPE).

Please confirm if the new interior SWBD is required to be stainless steel.

Switchboard should comply one of the options within Contract Documents (Specification 26 24 13 Paragraph 2.2)

Some portions of the fire pump house building are currently not sprinklered. Shall these areas be retrofitted with sprinklers so that the entire building is protected?

Pump Room 102 is the only room in Pump House B1203 required to be protected by sprinklers.

There is no mention of back-up Generators, Reliable Power, or Automatic Transfer Switches. The previous motors were diesel.

Please confirm that power is reliable and that no Automatic Transfer Switches are required.

It was determined during B Services that the site has reliable power. Therefore, no Automatic Transfer Switches or backup generators are required for this installation.

Specs (21 30 00 paragraph 2.4.4.1) call for OS&Y valves, but Butterfly valves are indicated on the plans (F101 Key Notes 6, 7, & 9). Since they comply with UFC & NFPA, please confirm that Butterfly valves are acceptable, as indicated.

Butterfly valves, as indicated on the plans (F101 Key Notes 6, 7, & 9), are acceptable on the discharge side. Per the Contract Documents, the Contractor is responsible for providing a code-compliant system in accordance with applicable codes.

Specs (21 30 00 paragraph 2.7.1) call for “Across The Line” Controllers, whereas UFC 3-600-01 (par. 9-5.5.1) generally requires “Soft Start” at horsepower ratings over 100 (the new pumps are >100 HP). Please confirm that Across The Line Controllers are acceptable, as per 21 30 00 paragraph 2.7.1.

Athought Paragraph 2.7.1, specifies "Across The Line" controllers, compliance with UFC 3-600-01 (Section 9-5.5.1) takes precedence for equipment rated over 100 HP. Therefore, Soft Start shall be provided for the new pumps to ensure compliance with UFC.

Please confirm the intended inclusion of the Pressure Reducing Valve, as indicated on F101 (reference Key Note 16). These are not normally included in electric fire pumps assemblies.

Per the Contract Documents, the Pressure Reducing Valve (PRV) shown on F101 (Key Note 16) shall be provided.

However, if the awarded Contractor’s hydraulic calculations during the shop drawing phase demonstrate that the PRV is not required, and this is approved by the Contracting Officer’s Representative, it may be omitted.

Specs (21 30 00 paragraph 2.13) call for the Flow Meter routing to serve the Test Header, as well as the pump suction. However, plans (F101 Key Note 17) indicate the Meter on only the return line to the Tank. Please confirm the arrangement shown on the plans is the intended arrangement or clarify otherwise.

Athought Paragraph 2.7.1, specifies "Across The Line" controllers, compliance with UFC 3-600-01 (Section 9-5.8.2.1.)

takes precedence for equipment rated over 100 HP. Therefore, Soft Start shall be provided for the new pumps to ensure compliance with UFC.

F001 Demolition Note 4 indicates the government has the first right of refusal on demolished items. Please confirm that the government will decide whether or not they want any of the items to be demolished prior to the start of demolition so that we will be able to proceed efficiently at the outset.

All work must adhere to the Contract Documents. The Government does not intend to retain any items from Pump Room 102.

Are the existing fire pump concrete pads required to be re-used (reference FD101 Key Note 6)? It is possible that a more efficient layout can be done with a different pad layout.

The existing fire pump concrete pads shall be reused as per the Contract Documents.

F001 Demolition Note 16 mentions “unnecessary” demolition.

Should that read “all necessary” demolition? Please confirm or clarify.

Yes, the note should read “all necessary” demolition. The contractor shall be responsible for all necessary demolition to complete the project in accordance with the Contract Documents.

The existing pumps appear to all be offline. F001 Demolition Note 18 indicates requirements for taking a pump out of service, to include advance notice, impairment plans, fire watch, etc. Please confirm that none of this will apply since the condition already exists.

Yes, since all pumps are currently offline, simultaneous removal and replacement is permitted in lieu of phasing, impairments, as outlined in Fire Protection General Demolition Note 18 on drawing 1203-F001.

Since all of the pumps are currently offline, may all pumps be removed and replaced simultaneously, without the need for phasing (reference F001 Demo Note 18)?

Yes, since all pumps are currently offline, simultaneous removal and replacement is permitted in lieu of phasing, as outlined in Fire Protection General Demolition Note 18 on drawing 1203- F001.

F001 General Note 1 indicates that the contractor is responsible for the final sizing. Please confirm that this takes precedence over the sizes (16”, etc.) indicated on F101.

Replacement of the existing 16" underground fire service pipe is not within the scope of work. The contractor shall comply with Fire Protection General Note 1 on drawing 1203-F001, as required to complete the Pump House B1203 Upgrade.

Please confirm that the new pumps are to be one primary and one back-up (as per F001 General Note 6).

The new pumps shall be configured as one primary and one secondary (backup) pump, as indicated in the Contract Documents and per General Note 6 on drawing F001.

Sheet F101 Water Surge Arrestor Schedule Note #3 appears to be missing. Please provide Note 3 or confirm that there are only 2 Notes

Water Surge Arrestor Schedule on Contract Drawing 1203- F101 should read Notes 1-2 in liue of Notes 1-3 (Note 3 is not used).

Sheet F101 Water Surge Arrestor Schedule Note #2 calls for increasing shown Surge Arrestor size when manufacturer’s calculations indicated that such is required. Please provide the demand (in gallons per minute (as well as pressure, if such is available)) of the largest system downstream of the pumps so that we may size the Arrestor properly at bid time.

The contractor shall bid the 200-gallon water surge arrestor as indicated in the Water Surge Arrestor Schedule on Contract Drawing 1203-F101.

The Pipe Stand detail (F501 “Not To Scale”) specifically indicates a Straight Threaded Coupling. This is of limited value because it allows for very little adjustment (compared to a Reducing Coupling that allows for “telescopic” action adjustment). Please confirm we may select an appropriate design-build style Pipe Stand, at our option.

The Pipe Stand detail (F501) is provided for general reference only. The contractor may select a suitable Pipe Stand that meets project requirements and complies with applicable codes and standards.

Quality Control 01 45 00.00 10 (3.4.3) Can the Graduate (Architect, Engineer, Construction Management) requirements be waived if all other requirements are met?

The CQC System Manager can be an individual with a minimum of 5 years combined experience in the following positions:

Project Superintendent, QC Manager, Project Manager, Project Engineer or Construction Manager on similar size and type construction Contracts which included the major trades that are part of this Contract. The individual must have at least 2 years experience as a QC Manager. The individual must be familiar with the requirements of Cal/OSHA and have experience in the areas of hazard identification and safety compliance.

Please confirm the Superintendent, CQC, SSHO are separate positions requiring (3) Separate Individuals.

Given the complexity of the project, the Site Manager may serve as the Project Superintendent, Site Safety and Health Officer (SSHO), and Quality Control Manager, provided they meet the qualifications outlined in the Contract Documents.

01 78 00 (3.1) Please confirm the KTR is only responsible for As-Built Drawings and Record drawings will be provided and prepared by the Governments Design Team.

The Contractor shall be responsible for preparing both As-Built Drawings and Record Drawings in accordance with Section 01 78 00, paragraph 3.1 of the Contract Documents.

Please provide Hazardous Material Report identifying any Lead or Asbestos

Due to the age/era of the existing system installation (1988- 1989), which was after the phase-out of lead-based paint and asbestos, no hazardous materials are expected. In the event that unforeseen hazardous materials are discovered during construction, the awarded contractor shall follow the requirements outlined in Contract Specification 01 35 26, paragraph 3.1.3.

If a lead and Asbestos report is not available and we encounter lead or asbestos this will be treated as an unforeseen condition.

Due to the age/era of the existing system installation (1988- 1989), which was after the phase-out of lead-based paint and asbestos, no hazardous materials are expected. In the event that unforeseen hazardous materials are discovered during construction, the awarded contractor shall follow the requirements outlined in Contract Specification 01 35 26, paragraph 3.1.3.

The drawings call out to replace Electrical Switch Board M1, our Subcontractors have notified me the lead time on the Switch Board M1 is running about 50 Weeks which exceeds the allocated Period Of Performance. Please increase the Period of Performance to account for this Long Lead Item or acknowledge the Period Of Performance can be increase at a later date via a no cost time extension.

Contracting Officer: POP is changed to 365 days.

26 05 73 Power Systems Studies.

Begin at Main Transformer MT-1 extend to pump controllers and largest breaker on each downstream branch panel. Arc Flash Study and stickers. Is this a requirement on this project?

Per Contract Documents (Section 01 35 26, Paragraph 3.9.3), the Contractor shall conduct a hazard analysis and arc flash hazard analysis whenever work on or near energized parts greater than 50 volts is necessary, in accordance with NFPA 70E.

26 08 00 Apparatus Inspections & Testing Organization must be independent of supplier, manufacturer, and installer of equipment. Is this a requirement on this project?

Yes, Contractor shall comply with Contract Documents (26 09 00 Paragraph 1.4.1.).

The Existing (3) Fuel Storage Tanks are scheduled for demolition, we were not able to ascertain how much fuel is stored in these tanks during the site walk please provided an estimated amount of fuel stored in these tanks

For bidding purposes, assume that the existing three (3) fuel storage tanks are full.

Please confirm the Government will empty the existing fuel tanks to the lowest level prior to mobilization for this project.

The Contractor shall assume that the existing three (3) fuel storage tanks are full and is responsible for the proper removal, handling, and disposal of the fuel in accordance with local, state, and federal regulations.

Please confirm the existing fuel storage tanks will become the property of the KTR (Contractor) and will be required to be triple rinsed and washed prior to disposal/recycling

The Contractor shall be responsible for removal and properly disposing of the existing fuel storage tanks in accordance with the contract documents, and disposal shall comply with all applicable local, state, and federal regulations.

Please confirm the Existing Diesel Pumps will become the property of the KTR.

There are no items within Pump Room 102 that the Government wishes to retain. All items are to be removed in accordance with the Contract Documents.

This project includes FAR clause 52.225-9 which requires all gear to be assembled in the USA. Is it acceptable to provide gear/equipment that is assembled in a Buy America Act compliant country like Mexico?

No, it is not acceptable to provide gear or equipment assembled in Mexico under FAR clause 52.225-9.

Per Section 26 24 13, Switchboards Page 6- Enclosure: NEMA ICS 6 Type 1 4X.

Type 1 and 4x enclosures are different and information specified is conflicting.

Question: Per Drawing 1203-E101, the new 1200A Switchboard "M1" is to be mounted inside the existing pump house. What enclosure type is required for the new SWBD "M1" to be mounted onto the existing pad inside the pump house.

Please, clarify.

Contract documents (Specification 26 24 13, Paragraph 2.2.2.1.a) should state the following: Enclosure: NEMA ICS 6 Type 1. (A 4X-rated enclosure is not required.)