050751_Compiled Pre-Bid RFIs_Gov Responses.pdf

WWYK050751 – Repair/Replace Main Distribution & Branch Panel Boards, Bldg. 6002

Pre-Bid RFIs

1.) Please confirm whether a Bid Bond is required with proposal submission. If required, please identify the required percentage and bond form. Response: Bid bond is required and requested in the amount of 100% of the proposal. The SF 24 and your Surety’s Power of Attorney forms should suffice.

2.) Please confirm Performance and Payment Bond requirements, including required bond amount(s), timing of submission, and whether bonds are required prior to award or post-award. Response: The P&P bond is required and requested in the amount of 100% of the proposal, and while award can be made, the NTP won’t be signed until the bid bond is received.

3.) Please identify the required design submittal package requirements, including anticipated design review milestones (e.g., 35%, 65%, 95%, IFC), required calculations, studies, commissioning documentation, and Government review durations. This is a Design-Bid-Build. Refer to the provided design documents for required calculations, studies, and commissioning documentation requirements (including, but not limited to SOW para 4.7, 4.9, 4.10). -DBS

4.) Please identify the required disciplines that must be included within the Designer of Record team and confirm whether professional engineering seals are required for electrical, structural, fire protection, and other supporting disciplines. This is a Design-Bid-Build. Refer to the design documents, including, but not limited to SOW para 4.7, 4.9, 4.10). -DBS

5.) Please clarify whether arc flash studies, short circuit studies, coordination studies, load calculations, and utility coordination analyses are required as part of the contractor's design responsibilities.

Yes, the contractor is entirely responsible for providing the arc-flash, short-circuit, and coordination studies, along with all load calculations and utility coordination analyses. MBT.

6.) Please provide available existing electrical one-line diagrams, panel schedules, coordination studies, load studies, arc flash studies, and as-built drawings associated with Building 6002.

MBT

7.) Please confirm whether the Government has completed any recent field investigations of the existing switchgear, distribution equipment, transformers, branch panels, feeders, and associated electrical infrastructure. If available, please provide inspection reports and existing condition assessments.

8.) Please clarify whether replacement equipment must match existing manufacturer standards currently utilized at Tinker AFB and identify any preferred or prohibited manufacturers. See RFI question number 29 MBT

9.) Please identify all facilities, systems, equipment, tenants, or mission functions served by the electrical distribution equipment being replaced under this project.

The main panel is being replaced. All the systems, equipment, tenants, and mission functions (auto shop, thrift store, and car wash) are served. -MBT

10.) Please identify allowable outage windows and any mission-critical systems requiring continuous operation during construction. There are no specific outage windows. Contractor shall follow the guidelines outlined in the SOW (including para 3.3.3), and notify the users of B6002 Auto Hobby Shop and Thrift Store of planned outages. -DBS

11.) Please confirm whether temporary power systems, generators, temporary feeders, or phased cutovers will be required to maintain facility operations during outages.

No. -DBS

12.) Please identify required notification periods, approval procedures, and Government coordination requirements for planned electrical outages. Refer to the SOW section

3.3.3. -DBS

13.) Please confirm whether Building 6002 will remain occupied and operational throughout construction. If occupied, please identify any restricted areas, mission-sensitive spaces, and operational constraints impacting construction sequencing.

Refer to the SOW section 2.1. -DBS

14.) Please confirm whether the Government requires a full-time onsite Superintendent for the duration of construction. If so, please define the minimum onsite presence requirements and clarify whether the Superintendent may concurrently oversee other projects located on Tinker AFB. -Refer to the SOW section 1.3.2.4. -DBS

15.) Please confirm whether QC Manager, Site Safety and Health Officer (SSHO), and Superintendent positions may be dual-hatted and identify any limitations applicable to combined roles. Refer to the SOW section 1.3.2.1, 1.3.2.2, 1.3.2.3, 1.3.2.4

16.) Please confirm whether Controlled Unclassified Information (CUI) applies to this acquisition and identify which contract documents, drawings, specifications, studies, or deliverables are considered CUI. No. -DBS

17.) Please confirm whether contractor information systems will be required to process, store, or transmit Federal Contract Information (FCI) and/or Controlled Unclassified Information (CUI) during proposal preparation or contract performance. No. -DBS

18.) Please clarify whether subcontractors, suppliers, manufacturers, and design consultants supporting this project must maintain CMMC, SPRS, NIST SP 800-171, or other cybersecurity compliance requirements. Please identify the specific requirements applicable to each tier. Contractors and subcontractors will be required to maintain NIST SP 800-171 compliance. SPRS is a cyber security score and has no requirements regarding this project. CMMC is required. -DBS

19.) Please confirm whether solicitation documents, drawings, specifications, and future contract deliverables may be distributed by the Prime Contractor to subcontractors and design partners for proposal preparation and contract execution, or whether each party must independently obtain access from the Government. Documents may be distributed by the Prime. -DBS

20.) Please identify approved laydown, staging, parking, and material storage areas available to the Contractor and confirm whether temporary office trailers and storage containers are permitted onsite. Per the provided package documents, Contractor is to submit their preferred staging area via Staging Area Request for government review. Temporary trailers and containers are permitted. -DBS

21.) Please confirm whether this project is exempt from Oklahoma state sales and use tax. If exempt, please provide the applicable Tax Exemption Certificate or identify when it will be provided to the successful contractor. Contact your Contracting Officer/Specialist for this information. -DBS

22.) Please confirm whether testing and commissioning services, including electrical acceptance testing, infrared testing, coordination testing, and third-party inspections, are Government-provided or Contractor-provided responsibilities. All testing is the Contractor's responsibility. -DBS

23.) Please identify the required Cybersecurity requirements applicable to this project, including whether Contractor personnel will access, generate, receive, transmit, or store Controlled Unclassified Information (CUI). There is no CUI in this project. -DBS

24.) What is the expectation for hydrostatic testing with this scope of work?

Pretest at working pressure for 2 hours prior to system modification? And once sprinkler scope is completed, final hydrostatic at working pressure for 2 hours?

Yes, Hydrostatic testing of the system, per requirements of NFPA-13 is required.

Existing system pressure is at working pressure. Pretest testing, prefinal acceptance testing, and final acceptance testing are required. -RCR

25.) Because fewer than 10 sprinkler heads are being modified, please confirm whether system calculations and a hydrant flow test are required. The existing heads appear to be 5.6K, but because this area will be converted to an electrical room, 8.0K heads will be required.

1) No hydraulic calculations or hydrant flow testing is required.

2) Designer is to select and submit for approval appropriate sprinkler heads for new installation conditions. -RCR

26.) Can fire protection outages be done during normal working hours? Yes. -DBS 27.) Will all the existing sprinkler pipes be required to be painted? Or just the newly installed pipe and fittings?

Yes, Paint sprinkler piping within the new electrical room as required by Tinker AFB Fire Protection Standard. - RCR

28.) Please provide as-builts of the existing sprinkler system. As-builts have been provided to your Contracting Officer/Specialist. Contact them if you have not been provided these documents. Additional As-Builts may be available as indicated in the SOW para 1.1. -DBS

29.) Will you accept Eaton brand electric gear? No Eaton is not acceptable brand. MBT

30.) There was a panel on the interior side of the building that they mentioned they wanted moved. Where do you want it moved? No, the panel is to be replaced not moved and the feeders are to be routed overhead. MBT

31.) Documents don’t appear to have any design or delegated design requirements. Will there be any Design Submittal requirement for the project? If so, what are the Submittal requirements? This is a Design-Bid-Build. There are no specific requirements for design. All submittals are indicated on the Submittal Register. -DBS

32.) Provided technical specification sections don’t appear to cover the scope of project and needed equipment. Will Technical specifications be required to be updated?

Yes the Technical specifications be required to be updated. MBT

33.) Sheet E-001 CIRCUIT FEEDER LEGEND indicate (3) SET for Item A in a single 3” Conduit. Three conduits will be required to contain these wires. On drawing ED-101 demolition keyed note 1, this refers to that there are three (3), 3 inch conduit and in each one the three (3) inch conduits there are 4 #350 MCM conductors. One of the three inch conduit goes to the existing 400A disconnect and the other two conduits goes in the existing mechanical room.

34.) Will an Arc Flash Study be required for the new electrical system? Will study be required for the complete building? Yes the complete building, you are replacing every electrical panel in the building.-MBT

35.) Electrical Base Standard referenced in the RFP is 2025. Current Electrical Standard is 2026. Will project be under current Base Standard? Yes. The 2026 Electrical Base Standard is to be followed. -DBS

36.) Fire Protection Base Standard referenced in the RFP is 2023. Current Electrical Standard is 2026. Will project be under current Base Standard? Yes. The current Fire Protection Standard is to be followed. -DBS

37.) Item 74 of the Submittal Register indicates a DALT Report. Work involves a single Air Drop and DALT is typically for large medium pressure duct systems. Can new ductwork be Sealed with Class A Sealant in lieu of requirements? This is acceptable

- QAG

Background: Fire Suppression Scope of Work (SOW 4.3 & 4.4.1) state to remove two pendant sprinklers and install two upright sprinklers as noted on AD-101 Key Note-7, MD-101 Key Note-3, and M-101 Key Note-3. SOW 3.5 (2) requires drawings and hydraulic calculations with Signed and Sealed by a Fire Protection Engineer. Site Visit indicated this was a pipe schedule System.

38.) May fire sprinkler submittals be limited to material data sheets and exclude drawings and calculations since scope of work is limited to relocation and replacement of two sprinklers?

Provide the following submittals for Div 21 13 13 work for this project :

• SD-03 Product Data o Sprinklers o Pipe o Fittings o Hangars (if needed)

• SD-02 Shop Drawing showing sprinkler work within new electrical room o Existing sprinkler piping to remain o Obstructions affecting sprinkler installation

Ducts Large equipment Large conduits and piping Structural members o New sprinkler location, orientation, and elevation o Sprinkler distance from walls o Any new required hangars.

• Sprinkler Desinger’s Qualifications

• Sprinkler Installers’ Qualifications

• Sprinkler System Testing Procedure.

• Sprinkler System Pretest Test Report

• Sprinkler System Preliminary Final Test Report

• Final Acceptance Test Report.

-RCR

39.) Site Visit also indicated the fire sprinkler riser is not equipped with a backflow prevention assembly. Is one to be provided with this scope of work?

No, installing a backflow preventer is not part of this scope of work. -RCR

40.) As-Built Drawings indicate sprinkler system is near or past the age of 50 years. Are existing sprinklers to be laboratory tested to satisfy the requirements of UFC 3-601- 02 or is that considered a maintenance item outside the scope of this project?

No, testing existing sprinklers is not part of this scope of work. -RCR

Peter Ho - COR