Pre-Bid RFI Responses WWYK200132.pdf

DEPARTMENT OF THE AIR FORCE

HEADQUARTERS 72 AIR BASE WING (AFMC)

TINKER AIR FORCE BASE OKLAHOMA

6 May 25

MEMORANDUM FOR AFSC/PZIOC (ATTN: Brent Rockow)

THROUGH: 72 ABW/CENM

FROM: 72 ABW/CEED

Tepa Companies

SUBJECT: Pre-Bid RFI Responses Project: WWYK200132 – Renovate Restrooms, Posts C7, 2C7, B19, and 2B19 – B2121

Reference: Memo, 22 April 2025, Pre-Bid RFIs, WWYK200132 – Renovate Restrooms, Posts C7, 2C7, B19, and 2B19 – B2121

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

(1) Request for information. Please provide all proposal requirements for this task order.

The RFP does not specify what information offerors should submit to be considered “technically acceptable” in the evaluation process. If this is a cost-only proposal, please confirm such.

Government Response: Instructions to Offerors can be found in Section L of the solicitation document located on page 26.

(2) Request for information. Please provide the availability and location of laydown/storage area.

Government Response: This is addressed in Section 6 of the SOW.

(3) Request for information. Will the elevator(S) be available to use for material delivery/ movement and for contractor personnel working in the facility?Government Response: The ramp in the middle of the building is available. No vehicles are allowed on the ramp. The elevator is not available for contractor’s use.

(4) Request for information. The CLIN Schedule in the solicitation appears to have copy/ paste same language for each CLIN item. We assume the GOV wants to see pricing per Phase (Phase 1, Phase 2A, and Phase 2B). If that is correct, we request the GOV please revise the CLIN schedule to reflect that approach.

Government Response: CLIN descriptions all have a designated Phase associated with them.

(5) Request for information. Section F in the solicitation states that each line item’s delivery schedule is 630 calendar days from NTP. Please confirm is each phase

(Phase 1, Phase 2a, Phase 2b) has a duration of 630 calendar days? Or, is the entire project (all three (3) phases) duration 630 calendar days from NTP?

Government Response: The PoP for the entire project (all 3 phases) is 630 days.

(6) Request for information. Please confirm that each phase has their specific drawings and specifications, and that other phase drawings and/or specifications do not apply to other phases (e.g, Phase 1 drawings/specs don’t apply to Phase 2a, etc.).

Government Response: Each phase has its own drawings and specifications.

(7) Request for information. Please confirm there are no toilet accessories required for minor restroom renovation 2C7.

Government Response: Confirmed.

(8) Request for information. Phase 2b, Restroom 2B19, Drawing A-401, lists “Sanitary Napkin Disposer” under the Toilet Accessories Schedule, but does not indicate if it is CFCI or GFCI. Please clarify.

Government Response: Sanitary Napkin Disposal is Contractor Furnished Contractor Installed (C.F.C.I.)

(9) Request for information. Instead of the QC Manager and SSHO being the same person, will the GOV please consider allowing the Superintendent and SSHO to be the same person?

Government Response: The superintendent can be an alternate SSHO, not the primary SSHO. The SSHO/alt SSHO must be onsite at all times. The QM Manager does not have to be the primary SSHO, a member of the QC Staff can be assigned as the primary SSHO. The QCM or a member of QC staff must be onsite at all times. All staff must be approved by the government through an approved QC Plan.

(10) Request for information. Will the GOV consider allowing Contractors to setup small chain-linked fenced storage/staging areas near the restrooms being renovated within Bldg. 2121? The fence will be surface mounted and will only serve as a secured storage area for materials.

Government Response: Staging Areas within the facility can be coordinated with the Construction Inspector. The approval status of a staging area location(s) within the facility outside of the project scope is subject to change for mission needs.

(11) Request for information. Please confirm that both men’s and women’s restrooms, per phase, can be closed at the same time.

Government Response: Confirmed.

(12) Request for information. Please confirm that a cost-loaded Gantt Chart CPM schedule from a program like Oracle/Primavera Scheduling will be required on this project. To include monthly schedule updates.

Government Response: A Baseline Design Schedule and Baseline Construction Schedule in the form of a Network Analysis Schedule (NAS) or a Bar Chart Schedule is required. Schedules submitted for this project must be prepared using Microsoft Project. Submission of data from another software system where data conversion techniques or software is used to import into Microsoft Projects scheduling software is not acceptable and will be cause for rejection of the submitted schedule. A weekly submitted 3-Week Look Ahead Schedule and Monthly Update containing a Narrative Report are required. See 01 32 16.00 20 for more detailed information.

(13) Request for information. Ph2a Post B19, Drawing A-101, Detail 1, shows the floor plan and layout with wall types. There is a perpendicular wall off of the north wall, along gridline C. What wall type is this wall?

Government Response: The double thin line (to the far right of the detail bordering the diagonal hatch) indicates existing metal cage.

(14) Request for information. Please confirm that for all phases, Complete Functional Commissioning is required and the Commissioning Firm and CxA has to be a subcontractor to the Prime and/or General, not the mechanical subcontractor.

Government Response: For Phase 1, Phase 2a, and Phase 2b, commissioning as described on the plans and within the specifications shall be performed before each area is turned over to the Government. Commissioning firm shall be a 1st tier subcontractor as described in Section 01 91 00.15 PART 1.

(15) Request for information. Are utilities for construction (power, water, etc.) provided to the Contractor onsite at no additional cost?

Government Response: Yes, tying into existing utilities is required to be in accordance with 00 70 00.

(16) Request for information. Please confirm that all phases can be performed during normal business hours and that no work, outside of utility outages, is required to be performed off normal business hours.

Government Response: This is addressed in the SOW, Section 2.2.

(17) Request for information. We were not able to determine the deck height within each restroom. Can the GOV please provide the deck height for each restroom?

Government Response: Is this referring to the floor/roof deck above the restroom?

(18) Request for information. On the toilet accessory schedule, there are multiple items that are GFCI, please confirm the government is providing these items for the contractor to install?

Government Response: Toilet accessories noted as GFCI will be provided to the contractor for installation.

(19) Request for information. Demo above the lay in ceiling: plans state to "DEMOLISH

GYPSUM BOARD AND WOOD FRAMING SYSTEM IN ITS ENTIRETY (LOCATED

ABOVE TILE CEILING)." In several locations there is a secondary plaster ceiling in lieu of gyp board. Is this to be removed?

Government Response: Yes – the secondary plaster ceiling is to be removed in its entirety.

(20) Request for information. Does the government want the ESS button installed as shown on the plans? These are typically located in a less traveled location.

Government Response: For Phase 1 and Phase 2b, per EXHAUST FAN CONTROL:

EF-A on M-601 and Keynote 3 on M-102, exact location shall be coordinated with the Government. For WWYK190234, per EMERGENCY SHUTDOWN SWITCH CONTROL on M-601 and Keynote 2 on M-101, exact location shall be coordinated with the Government.

(21) Request for information. Per Spec. section 21 13 13.00 10 - 1.5.1.1.1 it requires that the sprinkler system be installed by NICET level 2 or higher water-based system layout technician. This is not a requirement of the TAFB base standard and not a requirement in the state of Oklahoma or industry standard. Would it be acceptable to follow the base standard and the installation of the system be under the supervision of a NICET level 3 or higher?

Government Response: Yes. The current TAFB FP standard requires the installation be performed under the supervision of a NICET level 3 or higher. NICET certification for installers is no longer required.

(22) Request for information. Existing outlets for sprinkler drops that could be seen during the site survey appear to be ½” outlets increased up to 1” pipe size to supply the drops at ceiling level. This is acceptable per NFPA 13 when done properly but is not best practice as the outlet could be plugged and a mechanical tee could be drilled in 1 ¼” and larger pipe to supply the new drops. Will the addition of mechanical tee fittings be acceptable where the existing ½” outlet fittings cannot be changed out without major disassembly of the existing system?

Government Response: Yes, mechanical tee fittings are acceptable as long as the final design/installation is in accordance with NFPA 13.

(23) Request for information. Sprinkler system note 4 on page F-001 states “a 2 in. drain test shall be performed each time the sprinkler system control valve is opened and the system returned to service to ensure that the system water supply has been restored.”.

TAFB base maintenance team has always filled and drained the fire protection systems, as well as managing the fire pumps that feed the supply loops for the fire sprinkler systems. If the contractor is to do a main drain test as requested by note 4 will base maintenance be responsible for managing the fire pumps during the main drain test or will the contractor be responsible?

Government Response: Base maintenance will be responsible for draining the system, maintaining the pumps, and recharging the system. The contractor will be responsible for coordinating with the CE Inspector for Outage Requests.

(24) Request for information. What will be required for hydrostatic testing?

Government Response: Provide hydrostatic testing as required in specification 21 13 13, 3.5.1.1.

(25) Request for information. The excess spoils being excavated from the first-floor restrooms, where is the approved disposal location? Are Contractors allowed to haul offsite and dispose at a location per their discretion? Or does the GOV want the spoils disposed on Tinker? Please advise.

Government Response: All spoils shall be removed from Tinker AFB (TAFB) and disposed of in accordance with TAFB Standards.

(26) Request for information. Can quantities be provided for the ACM pipe insulation?

Government Response: For WWYK190233, WWYK190234, and WWYK200132, Contractor is responsible for determining quantities based on plans and specifications.

(27) Request for information. Plan Sheet M-501 Renovate restrooms, Post 2B19 B2121 Detail 3 calls for a remote damper operator for round ductwork. All ductwork branch lines on the plans are square. Sheet M-601 the grille schedule calls for integral balancing dampers to be adjustable from the grill face. Is the remote damper operator required?

Government Response: For WWYK190233, remote damper operator is not required where integral balancing damper is adjustable from the grille’s face.

(28) Request for information. Does the contractor have to adhere to base design standards and specifications? If so, will the govt. be providing the base standards and specifications?

Government Response: Yes. Contracting has provided all project documentation at SAM.gov. Including Base Standards, Specifications, and drawings.

(29) Request for information. Can the govt. provide architectural, plumbing, electrical, and HVAC as-builts of the building where work is to be done?

Government Response: Available as-built drawings were provided by Contracting at SAM.gov.

(30) Request for information. Can demolition take place during normal/standard working hours or is it the govt.’s intention to have the demolition work take place during non-standard working hours.

Government Response: Refer RFI 16 response.

(31) Request for information. Can hazardous material abatement take place during normal/standard working hours or is it the govt.’s intention to have the abatement work take place during non-standard working hours.

Government Response: Refer RFI 16 response.

(32) Request for information. Except for waste piping that will need to be removed to install new, can we abandon in place all disconnected waste piping that is located under the first-floor slabs?

Government Response: All wastewater piping located under first floor slabs within the project area(s) will be removed in accordance with PD101.

(33) Request for information. SHEET AD101, GENERAL NOTES #7 states -

CONTRACTOR TO PROVIDE ABA - COMPLIANT TEMPORARY FACILITY (FOR

EACH PROJECT UNDER CONSTRUCTION) TO MEET 2021 IPC FIXTURE COUNT

BASED ON THE POPULATION SERVED BY THE RESTROOM(S) BEING

RENOVATED. LOCATION OF THE TEMPORARY FACILITIES TO BE LOCATED

PER IPC 2021, 403.3.3. Is the Contractor to match the number of restroom fixtures when supplying temporary restroom facilities?

Government Response:Contractor to supply facilities compliant with the 2021 IPC.

(34) Request for information. Is the Contractor to supply and match the number of showers when supplying temporary restroom facilities?

Government Response: Temporary showers will not be required.

(35) Request for information. What are the requirements and specifications for the type of temporary facilities?

Government Response: See response 39 below.

(36) Request for information. Will the temporary facilities be stand-alone portable toilets and had washers or walk-in trailer restrooms?

Government Response: The temporary restroom facility shall be a self-contained, air-conditioned trailer. It shall be ABA/ADA compliant and provide facilities for both male and female. Provide a minimum of two (2) cleanings per week. The contractor shall provide potable water supply and electrical connections meeting the trailer’s requirements. The trailer will be located outside the building and will require Siting Approval prior to placing. The trailer shall be onsite and functioning prior to commencing construction.

(37) Request for information. Are any of the walls that are to be demolished load bearing?

Government Response: Masonry walls/partitions are infill between the loadbearing concrete structural columns and floor structure.

(38) Request for information. Do the walls run below the finish floor or sit on top of the floor slab? If so, will the floor slab require patching after demolition of the walls?

Government Response: Walls sit on floor slab.

(39) Request for information. Are any of the walls connected to the floor slabs by reinforcing rebar or steel dowels?

Government Response: Based on as-builts, walls appear to be sitting on top of the floor slab without steel reinforcing/dowels.

(40) Request for information. Do the walls run from floor slab to bottom of slab/structure above or are they partition walls terminating above the ceiling?

Government Response: Based on as-builts, masonry walls typically run from floor to structure but not in all locations. Several have been modified over the years, and not all modifications have been captured in the as-builts. Contractor responsible to confirm in the field.

(41) Request for information. DEMO KEY #8 states - DEMOLISH BRICK PILASTER. Is the pilaster to be demolished load bearing?

Government Response: Based on as-builts, the brick pilaster is not loadbearing but serves to support lateral loading of the brick partition between column lines 18 and 19.

(42) Request for information. Does the pilaster run below the finish floor or sit on top of the floor slab? If so, will the floor slab require patching after demolition of the pilaster?

Government Response: Based on as-builts, pilaster appears to be sitting on top of the finished floor slab.

(43) Request for information. Are the pilasters connected to the floor slabs by reinforcing rebar or steel dowels?

Government Response: Based on as-builts, the pilasters do not appear to be connected to the floor slab by reinforcing/dowels.

(44) Request for information. Does the pilaster run from floor slab to bottom of slab/structure above or are they partition walls terminating above the ceiling?

Government Response: Based on as-builts, pilaster runs from floor to bottom of structure.

(45) Request for information. DEMO KEY #11 states - DEMOLISH EXISTING ACOUSTIC

CEILING TILE AND SUSPENSION SYSTEM. DEMOLISH GYPSUM BOARD AND

WOOD FRAMING SYSTEM IN ITS ENTIRETY (LOCATED ABOVE TILE CEILING).

When demolishing the acoustical ceiling system, it is the govt. intention for the Contractor to remove the tie wire and anchoring devices used to hang the ceiling system or can these be abandoned in place?

Government Response: Systems noted to be demolished are to be removed in their entirety.

(46) Request for information. KEY NOTES #7 states - STAINLESS STEEL CORNER GUARDS. Please confirm that all outside corners receive stainless steel corner guards.

Government Response: All outside corners are to receive corner guards. Refer to Specification Section 10 26 00 for more information.

(47) Request for information. DWG. 2 FIRST FLOOR REFLECTED CEILING PLAN C7 does not show any access panels in the ceiling. SHEET M-101 NOTES states -

PROVIDE ACCESS PANELS FOR INSTALLATION IN DUCTWORK, WALLS AND

CEILINGS, TO SERVICE CONTROLS DEVICES, DAMPERS, VALVES, DUCTWORK,

SMOKE DETECTORS, AND OTHER CONCEALED MECHANICAL EQUIPMENT.

ACCESS PANEL INSTALLATION SHALL BE COORDINATED WITH

ARCHITECTURAL WORK TO MATCH MATERIALS AND FINISHES. REFER TO

SPECIFICATIONS FOR ADDITIONAL REQUIREMENTS. Is it the govt.’s intention for the contractor to provide access panels in the gyp. bd. ceilings? If so, can the govt.

provide numbers, sizes, drawings and details?

Government Response: For WWYK200132, per plans and Sections 08 31 00, 22 00 00, and 23 00 00, Contractor must provide access panels in non-accessible ceilings to access items requiring service. Refer to Sections 08 31 00, 22 00 00, and 23 00 00 for additional requirements. Contractor is responsible for determining exact access door locations based on final layout of control devices, dampers, valves, detectors, etc.

(48) Request for information. KEY NOTES #3 states - DEMOLISH EXISTING CEILING

GRID AND REPLACE WITH NEW 2' X 2' ACOUSTICAL CEILING TILE AND

SUSPENSION SYSTEM. Is it the govt. intention to leave the existing ceiling mounted HVAC diffusers and grilles, light fixtures, fire alarm detection and annunciation, etc. in place while installing the new ceiling?

Government Response: The noted items are to be all new. New work is to include HVAC devices, lighting, fire alarm and annunciation items, and other items delineated in the drawings and specifications by each of the design disciplines.

(49) Request for information. SHEET A-102 other than new exhaust grilles, Sheet A-102 does not identify any new HVAC diffusers and grilles, light fixtures, fire alarm detection and annunciation, etc. work. Please confirm that there are no new HVAC diffusers and grilles, light fixtures, fire alarm detection and annunciation, etc. work.

Government Response: New work is to include HVAC devices, lighting, fire alarm and annunciation items, and other items delineated in the drawings and specifications by each of the design disciplines. Please provide specific WWYK and sheet numbers that apply to this comment.

(50) Request for information. KEY NOTES #7 states - 6" X 12" TILE BASE. Please confirm if the tile base edge that meets the floor is rounded?

Government Response: The base is not coved. Per TAFB Standard, the base is to be floor tile cut in half. Exposed edges at corners is to be rounded/eased.

(51) Request for information. Please identify what type of tile base edge is to be used?

Government Response: Per TAFB Standard, the base is to be floor tile cut in half.

Exposed edges at corners is to be rounded/eased.

(52) Request for information. SHEET A-401 does not identify what type of inside and outside corner edge trim for the tile walls and shelves. What type of tile inside and outside corner edge trim does the govt. want? Square or rounded tile or metal edge trim?

Government Response: Inside corners are square. Vertical outside corners are covered by stainless steel corner guards. Horizontal edge at shelf to be quarter round 1x6 trim.

(53) Request for information. SHEET A-401 elevations do not show/identify steel angle guards, installation height above the floor or length of guards. Can the govt. provide numbers, sizes, drawings, notes or details of such?

Government Response: Reference Specification Section 10 26 00.

(54) Request for information. SHEET A-401, DWG. 5/A-401 WOMEN’S RESTROOM shows/identifies a 12” deep tile shelf. SHEET A-101, DWG. 1/A-101 FIRST FLOOR PLAN does not show/identify this shelf. Can the govt. confirm that there is a shelf? If so, can the govt. provide drawings, notes or details of such?

Government Response: See partition Type D keyed on the floor plan on A-101.

(55) Request for information. SHEET A-501 DOOR AND FRAME SCHEDULE NOTE #1 states – Ref. Specs. For Hardware. ROOM FINISH SHEDULE NTOE #1 states – See Specifications Section 09 06 00, Schedule For Finishes. The solicitation did not provide the USAF uniform design guide. Willd the govt. be providing a uniform design guide?

Government Response: For door hardware, reference Specification Section 08 71 00.

Hardware schedule is located at the end of this specification. Specification Section 09 06 00 covers the requirements for color of interior materials and products only. See specific product specification sections, finish schedule, and TAFB Standards for product information.

(56) Request for information. SHEET A-501 NOTES states - TILE HEIGHT IS TO 6" ABOVE CEILING - TYPICAL. And WALL TYPES A and B drawings show tiles extending above suspended and gyp. bd. ceilings. Is it the govt.’s intention for the suspended ceiling grid edge angle and gyp. bd. ceiling carrier channels to be secured to the wall tile by drilling holes through the tile?

Government Response: Tile is not to extend above the gypsum board ceiling. Tile is to terminate at ceiling.

(57) Request for information. Can the wall tile terminate at the ceiling grid and gyp. bd.

ceiling so that the ceiling grid edge angle piece and gyp. bd. ceiling carrier channels be secured to the gyp. bd. wall?

Government Response: This is acceptable. Tile is not to extend above the gypsum board ceiling. Tile is to terminate at the ceiling.

(58) Request for information. SHEET A-501, DWG. Partition Type A1 - Wall Type A1 does not show wall tile extending 6” above gyp. bd. ceiling. Sheet A-501 NOTES states - TILE HEIGHT IS TO 6" ABOVE CEILING - TYPICAL. Both conflict with the other.

Please confirm where the wall tile is to be terminated.

Government Response: Tile is not to extend above the gypsum board ceiling. Tile is to terminate at ceiling.

(59) Request for information. SHEET A-501, does not show Partition Type C. SHEET A- 101, DWG. 1/A-101 FIRST FLOOR PLAN shows/identifies Partition Type C. Can the govt. provide a wall type detail or description of this partition type?

Government Response: The noted “Type C” is similar to Type A but with 5/8’ gypsum wall board (painted) and rubber base on both sides. Note the finish schedule notation for FRP inside the janitorial room

(60) Request for information. SHEET A-501, DWG. Partition Type D shows wall tile extending above ceiling to the bottom of deck above. Sheet A-501 NOTES states - TILE HEIGHT IS TO 6" ABOVE CEILING - TYPICAL. Both conflict with the other.

Please confirm where the wall tile is to be terminated.

Government Response: Tile is not to extend above the gypsum board ceiling. Tile is to terminate at ceiling.

(61) Request for information. SHEET A-501 NOTES and DWGs do not discuss wall penetrations and how to safe off or seal off around existing and new wall penetrations.

Is it the govt.’s intention to have the contractor seal off or safe off around all wall penetrations in the new walls with either sealant/caulking or fire stopping?

Government Response: Yes. Reference Specification Section 07 92 00.

(62) Request for information. Can the government provide specifications and or manufacturer type and size for the exhaust fan? Or point us to the solicitation document which provides the specifications.

Government Response: For Phase 1 and Phase 2b, please refer to FAN SCHEDULE on M-601 and Division 23 00 00 for exhaust fan requirements.

(63) Request for information. Can the government provide specifications and or manufacturer type and size for the E-stop? Or point us to the solicitation document which provides the specifications.

Government Response: For all Phases, please refer to HVAC EMERGENCY SHUTDOWN SWITCH DETAIL on M-501 and associated control sequences on M-601 for HVAC emergency shutdown switch requirements.

(64) Request for information. Can the government provide specifications and or manufacturer type and size for the exhaust damper? Or point us to the solicitation document which provides the specifications.

Government Response: For Phase 1 and Phase 2b, please refer to FAN SCHEDULE on M-601and Section 23 00 00 for damper requirements.

(65) Request for information. Please confirm the government wants a VFD to control the exhaust fan and damper?

Government Response: For Phase 1 and Phase 2b, please refer to FAN SCHEDULE on M-601 for controller starter/type (EC motor not VFD).

(66) Request for information. Can the government provide specifications and or manufacturer type and size for the VFD? Or point us to the solicitation document which provides the specifications.

Government Response: For Phase 1 and Phase 2b, please refer to FAN SCHEDULE on M-601 for controller starter/type (EC motor not VFD).

(67) Request for information. How will the VFD communicate with the base and to where?

Government Response: For Phase 1 and Phase 2b, please refer to FAN SCHEDULE on M-601 for controller starter/type (EC motor not VFD).

(68) Request for information. Is it allowable to use existing electrical circuits to provide power?

Government Response: All circuits shall be new.

(69) Request for information. Is it allowable to use existing fire alarm and detection circuits?

Government Response: Yes, existing notification circuits may be utilized as long as voltage drop calculations indicate sufficient power to drive new devices. Existing initiating device circuits may be re-used unless circuit capacity is exceeded.

(70) Request for information. Is it allowable to use MC cable?

Government Response: MC cable is not allowed. The only exception is that MC cable is allowed for flexible light fixture whips with approval from CE per Tinker Air Force Base Electrical Standards 2025.

(71) Request for information. The water fountain at post 2B18 in AD101 Demo Key Notes 12: Remove Water Fountain and Associated Assemblies – Reference Mechanical. MD 101 does not make a note as to what constitutes as an associated assembly. There is a water line that ties into a secondary fountain/cooler at post 2C17, is it to be removed or abandoned in place?

Government Response: For Phase 2b, water fountain shown on AD101 shall be removed and associated domestic water, sanitary, and vent piping shall be removed back to main and capped unless it is feeding any fixtures on the second floor. If it is serving fixtures on the second floor associated with Phase 1 that are remaining, piping shall be rerouted to accommodate the revised floor plan.

2. The points of contact for this project are:

a. Glen Kay, Project Manager. PH: 734-6917

b. Jacob Miller, Construction Inspector. PH: 734-9807

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

d. Billy Deal, Contracting Officer Representative (COR). PH: (405) 739-4975

See signatures on next page.

Glen Kay, RA, LEED-AP Billy Deal Project Manager Mechanical Engineer/COR 72d Civil Engineering Directorate (Tepa) 72d Civil Engineering Directorate

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