01a Answered 01142026 - COR Signed.pdf

DEPARTMENT OF THE AIR FORCE

HEADQUARTERS 72 AIR BASE WING (AFMC)

TINKER AIR FORCE BASE OKLAHOMA

08 Jan 26

MEMORANDUM FOR AFSC/PZIOC (ATTN: Tamara Torres)

THROUGH: 72 ABW/CENM

FROM: 72 ABW/CEED

Tepa Companies

SUBJECT: Pre-Bid RFI Responses Project: WWYK190048 REPAIR RESTROOMS AND JANITOR'S CLOSET, B1055

Reference: Memo, 08 Jan 2026, Pre-Bid RFIs, WWYK190048 REPAIR RESTROOMS AND

JANITOR'S CLOSET, B1055

1. This office reviewed the referenced RFIs received on 08 Jan 2026 for the subject project and provided answers below. Please forward to the contractor(s) for their use in preparing proposals

(1) Request for information. ACM is mentioned on Pg AD 101, are there any other possible Hazardous / Regulated building materials anticipated to be within the immediate construction area?

Government Response: Yes. Possibility of encountering LBP due to building being constructed c. 1977. A follow up site visit from Tinker Environmental to B1055 indicates the potential for lead contained in the yellow wall tile in the janitor’s closet.

(2) Request for information. Note 2.19 refers to an ACM Report, Please supply this report in an addenda.

Government Response: A historic ACM sample reports hazardous asbestos material.

The report is included with this RFI response.

(3) Request for information. Will the rest of the building area NIC remain active with personnel during Demo and Construction?

Government Response: Yes.

(4) Request for information. The design shows plumbing waste lines through out the entire building flowing to the construction area and beyond for waste outfall. Question: will the entire building waste line be required to remain in service during Demo and Construction operations?

Government Response: Yes.

(5) Request for information. General Construction Notes, Note #4 States Project

Specifications are part of the construction documents... There were no Specifications that we find with the Solicitation Documents. Question: Will there be a full set of Specifications added to this Solicitation with an addenda soon?

Government Response: Yes. Specifications were included with the contractor CD/solicitation package.

(6) Request for information. Floor plan-demolition detail, numerical note 2.7, states to patch + repair CMU wall adjacent to demolished doors and or walls, typical. Please clarrify that this note is for the demolition of the notated walls along with patch + repair comments.

Government Response: This typical note applies to any of the doors or walls that are removed. If a door or wall is removed, the existing wall that remains will be patched and repaired.

(7) Request for information. For equipment supplied by DRTC and installed by contractor, will there be specifications provided to allow for any required blocking?

Government Response: Yes. DRTC to provide specifications of equipment they provide and contractor installs.

(8) Request for information. Are powder activated fasteners allowed to be utilized on

Base? If so, what is the protocol for possession, transportation and use on Base?

Government Response: Refer UFGS 05 05 20 Post Installed Concrete and Masonry Anchors or other related specification. Powder activated fasteners are allowed for construction. Contact security forces for protocol and transportation concerns.

(9) Request for information. Please identify all known underground, embedded, or concealed utilities, structures, tanks, piping, conduits, drainage systems, foundations, or abandoned services within and adjacent to the work area, including below slabs and pavements. Are there any As-Builts available which accurately depict subsurface conditions Government Response: As-builts are available, included with the solicitation package and directions within the SOW.

(10) Request for information. Has a recent Flow test for the existing Fire Sprinkler system been done? if so, please provide same.

Government Response: Contractor is responsible for scheduling and performing their own flow test. Flow tests are not to be older than 6 months for design purposes.

(11) Request for information. Key Note #1 requires Contractor to provide a restroom trailer for duration of the project for . Questions 1. How many fixtures are anticipated to be required? 2. will showers be required to be provided in the trailers? 3. Will the Contractor be able to set the unit locally close enough to provide a temporary waste tie in to existing waste piping underground?

Government Response: The temporary trailer shall be per code and to match the intent of fixtures in the finished restrooms. The number of fixtures designed into the restroom design can be copied / emulated as a safe assumption that it is drawn per code with the correct number of fixtures. Number 11 remains open unanswered until #3 of this #11 is included in the answer.

(12) Request for information. Will a bid bond be required for this proposal?

Government Response: Tinker 72nd Contracting will outline the bonding requirements.

(13) Request for information. What is the due date for this proposal?

Government Response: Tinker 72nd Contracting will set a proposal bid date.

(14) Request for information. Will there be standard forms and proposal instructions provided?

Government Response: Tinker 72nd Contracting will advise what forms and instructions to follow when bidding.

(15) Request for information. Is asbestos abatement (Section 02 82 00) fully included in this task order scope and pricing, or will it be handled under a separate contract or allowance?

Government Response: Abatement will be addressed in an upcoming addenda.

(16) Request for information. Please confirm that no USDA Biobased items are required for this project unless voluntarily proposed.

Government Response: It is unclear where this reference pertains to the drawings, project manual, or other contractual document. Background to the origin of the question is needed to properly answer the question. Recovered Materials Determination Form with items as per specs listed. This form is in the pre-bid RFI folder.

(17) Request for information. Will payment and performance bonds be required?

Government Response: Tinker 72nd Contracting will outline the bonding requirements.

(18) Request for information. Will the Government provide an Environmental Survey?

Government Response: No.

(19) Request for information. Willl the Government provide as built drawings?

Government Response: As-builts are available per SOW 1.1 General ‘paragraph 2’.

As-builts were included as part of the solicitation documents.

(20) Request for information. Are the ceiling speakers to be removed and reinstalled?

Government Response: Where is this referenced on the drawings or project manual?

INCLUDING BUT NOT LIMITED TO: Refer General Notes, 2/ Sheet ED102 & General Notes, 3/ Sheet EP102. Ceiling mounted speakers are noted on A-102; ED 102; EP 102. On Sheet ED-102, note two (2) calls for the demolition of the existing paging system in these rooms. Then on Sheet EP-102 the contractor is required to provide speakers and any other materials required for a complete system. Provide new paging system components that were demolished/removed.

(21) Request for information. Will the ceiling speakers be tested for current functionality prior to demolition?

Government Response: Where is this referenced on the drawings or project manual?

INCLUDING BUT NOT LIMITED TO: Refer General Notes, 2/ Sheet ED102 & General Notes, 3/ Sheet EP102.

a. The contractor shall verify that the existing paging system is operational.

Recommend the following:

i. Verify existing decibel levels at different locations from the speaker.

ii. New speakers are to match existing speakers and amplifier type.

iii. Measure the ambient noise level in the room prior to documenting each speaker decibel level.

b. Verify wire gauge and is this wire required to be plenum rated. Use proper wire nuts or terminal blocks for any connections.

c. If other paging system components are removed, then document and replace with similar.

d. Test the paging system when put back into service, in these rooms.

e. Coordinate with the 72ABW Communication Directorate prior to demolition and re-installation.

(22) Request for information. M-601 states Verify Existing conditions and Operations of the

Unit. This is called out on the existing Air Handling schedule. The Exisiting Exhaust Fan is not addressed. Should the Exisiting Exhaust Fan Condition and Operation be verified?

Government Response: Yes. Fan condition shall be verified and any deficiencies be reported to the Government prior to construction.

Further, existing exhaust fan shall be connected to the EBI system via COIN.

Coordinate with Honeywell for graphics update. Fan shall have start/stop, status and alarm points.

(23) Request for information. Should the existing Air Handling Unit, and existing Exhaust

Fan have the Air Flows Pre-Read befroe Demolition of project begins?

Government Response: For the air distribution devices within the construction zone a pre and post construction TAB shall be performed.

(24) Request for information. General notes 6 on sheet S-101 states "ALL CONCRETE

ANCHORS SHALL BE TIED IN PLACE PRIOR TO POURING CONCRETE. WET-

SETTING OR DRILLING OF THE CONCRETE SLAB IS NOT PERMITTED." Does this include anchor bolts for water closet and urnial carriers? That would not work well considering the exact placement required for these anchors.

Government Response: Post-installed anchors will be accepted on per case basis. WC and urinal carriers will be accepted. Provide exact locations, details, manufacturers recommendations, and anchor cut sheet and MDS prior to installation.

(25) Request for information. Regarding General Note 7 on sheet S-101 and General Note

1 on sheet P-102, can the base plumbing shop open a floor cleanout within the project area and an additional site visit be scheduled to verify the depth of the existing under slab sanitary sewer piping? This information is not available on as-builts and will help ensure the Government receives accurate pricing.

Government Response: Yes. Assumptions can be made per the as-builts, but the contractor shall verify actual conditions.

(26) Request for information. Can project specifications be provided?

Government Response: Yes. Specifications were included as part of the solicitation documents.

(27) Request for information. Detail 6 on sheet P-501 indicates to conceal lavatory mixing valves in cabinets. This is not typical for mixing valves installed under wall mount lavatories. Please confirm this requirement.

Government Response: In lieu of the currently scheduled lavatory plumbing fixtures, all lavatories in toilet rooms shall be a fixture installed under an additional, not currently depicted, solid surface counter top. Spacing of the lavatories shall match that shown on Drawing 2/A-101. The support system shall be as shown in drawing in 4/A-602, for both the counter & removable closure panels. Support shall be on each side of sinks, and at ends while allowing for clearances for the placement of the trash cans at the locations shown in drawings on sheet A-101. The lavatory mixing valves shall be installed under the counter behind the removable panels. Reference lavatory fixture LAV-2-A in schedule for sink and Tinker AFB Mechanical Standard O.2.a for faucet.

(28) Request for information. Is schedule 40 DWV PVC piping acceptable for use for under slab sanitary sewer piping, or is hub and spigot cast iron piping required?

Government Response: Yes, solid core, according to specifications.

(29) Request for information. Please advise which plumbing fixtures, if any, are to be

WaterSense labeled.

Government Response: As required by specifications.

(30) Request for information. The description for water cooler EWC-1-A on sheet P-601 states "filterless", but also states "visual filter monitor". Please confirm if water cooler is to be provided with a filter.

Government Response: IAW the 2025 Tinker AFB Mechanical Standards electric water coolers shall be provided without filters.

(31) Request for information. Detail 3 on sheet P-502 shows trap guards to be installed in floor drains. The description for floor drain FD-1 on sheet P-601 states to provide with trap primer tapping. Please advise if floor drains are to be provided with trap guards.

Or if trap primer lines are to be installed to floor drains, or if both are required.

Government Response: Preferred method of protection are trap seal devices instead of trap primer systems IAW 2025 Tinker Mechanical Standard.

(32) Request for information. What controls and controls sequence is required for circulation pump RCP-1?

Government Response: Coordinate with Honeywell for the circulation pump to be on the EBI system, via COIN IAW UFC 3-420-01 Plumbing Systems para. 607.2.1.

(33) Request for information. Is an expansion tank required to be installed for the existing water heater? If so, please provide specifications/ASME requirements for the expansion tank, advise where it is to be located and if an equipment pad is required for the expansion tank.

Government Response: IAW with UFC 3-420-01 Plumbing Systems provide 5 gal expansion tank with shut-off valve to be suspended from the existing structure near the water heater.

(34) Request for information. Please confirm the existing domestic cold water pipe size to the existing water heater is sufficient for the new 2" hot water line. The plans indicate existing 3/4” cold water to the water heater.

Government Response: Provide 1-1/4” CW to water heater instead of the 3/4" CW indicated on the drawings.

(35) Request for information. Are shut-off valves required for water hammer arrestors?

Government Response: Yes

(36) Request for information. Please confirm the above slab sanitary sewer piping for water closets is to be 3” as shown and does not need to be 4”.

Government Response: Change all 3” piping to water closets and branch piping to 4” in size.

(37) Request for information. Considering the extensive under slab sanitary sewer piping shown upstream of the project work area on sheet P-101 and the expected constant discharge into the sewer piping, should bidding contractors include overtime costs for replacing the under slab sanitary sewer piping (sheet PD101) outside of normal duty hours?

Government Response: Existing sanitary sewer system to remain in operation as indicated in the construction documents. How this is to be accomplished shall be IAW Contractor’s means and methods.

2. The points of contact for this project are:

a. Cory Muir, Project Manager. PH: 582-9043

b. Anthony DeGreve, Construction Inspector. PH: 582-9052

c. Joshua Wheeler, CSAG Program Manager. PH: 582-4826

d. Randall Floyd, Contracting Officer Representative (COR). PH: 582-1958

CORY MUIR RANDALL FLOYD

Project Manager Mechanical Engineer/COR 72d Civil Engineering Directorate (Tepa) 72d Civil Engineering Directorate

02 Attachment(s):

1. ACM Sample Report

2. RMDF Form cc:

Project folder