Solicitation Amendment FA462020R00020005 SF 30.pdf

R

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of theoffer submitted;

or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

6. ISSUED BY CODE 7. ADMINISTERED BY (If other than Item 6) CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBE

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

1 10

0005 4/28/2020 A004848 FA462020R0002

FA4620

FA4620 92 CONS LGC

110 W ENT ST STE 200

ADMINISTRATIVE ONLY NO REQUISITIONS

FAIRCHILD AFB, WA 99011-5320

United States HEATHER ROGERS, Email: heather.rogers.9@us.af.mil Telephone: 657-4871

FA462020R0002

3/26/2020

See Section G

The purpose of this Amendment is to:

1. Answer questions from vendors about the seed project.

2. Update Attch SOW dated from 22 April 2020 version to Attch 1.3 SOW dated 27 April 2020 version.

Contracting Officer Email: richard.hedrick.2@us.af.mil Telephone: (509)247-4867

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Section C - Specification/SOW/SOO/ORD

The Requirements text has been modified to:

Question #220: Per Tab A Planning Charette, page 11, Exterior Electrical - The existing electrical distribution transformers are expected to be sufficient for the scope of this project. Per the Attch 1.3 SOW, 4.9, B.4 - Ensure that existing pad-mounted distribution transformers (480Y/277 volts and 208Y/120 volts, respectively) located on the northwest corner of B1007, as indicated in the TAB A, 4., are adequately sized and sufficient for the scope of this conversion project. Please clarify which statement is correct.

Answer#220:Both 208V and 480V transformers exist at northwest corner of B1007; voltage requirement is determined by design/required equipment (hangar door, fire suppression systems, etc.); post award, vendor must field-verify.

Question #221: Per the Attch 1.3 SOW, 4.9, B - Replace existing electrical switchgear along the electrical distribution feeder lines with a Type A Pad-Mounted Grid Switchgear per the TAB A Planning Charette. In order to price the correct switch, what is the desired configuration? How many ways, is this switch in a 200 or 600 amp configuration or both, if it is a 600 amp configuration, should the feeder be fused/unfused?

Answer#221:This is a 100% D/B project Question #222: Per the Attch 1.3 SOW, 4.9, B. - Replace existing electrical switchgear along the electrical distribution feeder lines with a Type A Pad-Mounted Grid Switchgear per the TAB A Planning Charette. Is there an existing vault currently under the existing switch S1-100? If not, is there slack loop on either end of the existing circuit to gain slack to feed the new switch?

Answer#222:No existing vault; assume no slack loop.

Question #226: Per the Tab A Planning Charette, Project Narrative, page 36/59 - We know that the floor in the support spaces shall be raised above the floor of the hangar a minimum of eighteen inches. Please confirm if the raised floor has to be noncombustible.

Answer#226:This is a 100% D/B project; ABA/ADA compliance not required; must comply with the UFC and

NFPA 409.

Question #228: Per Tab A1 Floor Plan, Item 12. - The electrical indicates a new 1600A main switchboard. Please advise on the required voltage, is it 480V or 208V?

Answer#228:This is a 100% D/B project; voltage is determined by design based on required equipment (hangar door, fire suppression systems, etc.); refer to UFC, NFPA, Tab D Standard Design for AF Corrosion Control /Fuel Cell Maintenance Hangar Facility Question #229: Per the Attch 1.3 SOW, 3:, 4.9 - The documents indicate two (2) transformers exist for 480V and 208V 3-phase. Please advise if we are to provide service entrance equipment from each and what size (in amperage).

Answer#229:This is a 100% D/B project; voltage is determined by design based on required equipment (hangar door, fire suppression systems, etc.); refer to UFC, NFPA, Tab D Standard Design for AF Corrosion Control /Fuel Cell Maintenance Hangar Facility Question #230: In reference to the Attch 1.3 SOW, 3: Lighting Systems - It says new lighting in the support areas only. Please confirm that new lighting is NOT required in the hangar bay.

Answer#230:This is a 100% D/B project; vendor must ensure and/or modify existing lighting fixtures to accommodate new fuel cell maintenance function; Refer to UFC and Tab D Question #231: Section 4.3.A of the Statement states to install a single interlock, addressable pre-action fire sprinkler system in Building #1007, including hangar and support spaces per TAB A. Item #11 Fire Protection in Tab A1 Course of Action Option 3A - Floor Plan dated 29 August 2018 states in lines #3 and #4 to provide a wet pipe sprinkler system in all support areas and in lines #5 and #6 to provide a pre-action fire sprinkler system in the Hangar Bay. Please confirm what type of sprinkler system is required to protect the support spaces.

FA462020R00020005

Answer#231:This is a 100% D/B project; refer to UFC and NFPA.

Question #232: UFC 3-600-01 states that cabling Is to be installed as Class B for all Fire Alarm circuits.

Division 28 Paragraph D.13 of Attachment 7 Fairchild AFB 2018 Base Design Standards states that the last device installed must have an engraved sign stating the value and location of the end-of-line resistor. In past Hangar projects on Army installation(s), Class A cabling was required to minimize false Low-Level High Expansion Foam System discharges. Please confirm that Class B cabling will be acceptable.

Answer#232: This is a 100% D/B project; refer to UFC and NFPA.

Question #233: The bid documents and virtual video tour indicate that the water main on the West side of Building #1007 is 12 inches in some locations and 16 inches in others. Please confirm the main size on the West side of Building #1007.

Answer#233:Confirmed; 16 inch water main does in fact run parallel along west face of B1007.

Question #234: Section 4.3.A.3 of the Scope of Work states that the contractor shall conduct the hydrant flow test at existing fire hydrant locations as indicated in TAB A.4. Paragraph 1.22 attachment 7 Fairchild AFB base design standards states that Government personnel will turn on the hydrant valve, leaving it on for the Contractors operation through his gate valve and that only Government personnel will operate the fire hydrant valve. Paragraph 13.1.9 of Attachment 6 states water flow tests shall be performed by the MACC Contractor in coordination with the Base Water Shop. Paragraph 1.22 of the Fairchild Base Design standards states that the Contractor will be furnished a water supply from a fire hydrant selected by the Contracting Officer with written coordination of the Base Fire Department. Please confirm who is responsible for performing a hydrant flow test upon award of the project.

Answer#234: This is a 100% D/B project; Contractor is responsible.

Question #235: In reference to the Attch 1.3 SOW, 4.11 Data and Communications - In the virtual walkthrough video, fiber and copper cable are seen in the building. Can there cables be used/reused, or do new fiber and/or copper backbone cabling need to be installed?

Answer#235: Assume cables cannot be reused.

Question #237: In reference to the Tab A Planning Charette, Page 17 - If an independent blast analysis is required for the existing hanger frames, will additional loading and acceptance criteria be provided in order to properly evaluate the existing frames and determine upgrade requirements.

Answer#237:This is a 100% D/B project; As-built drawings coupled with your structural engineers evaluation;

fire suppression and insulation projects at similar hangars require no structural modification; see projects 1011 and 1015 for comparison.

Question #240: BACKGROUND: The RFP, FAFB Design Standards and MACC specifications reference outdated Engineering Technical Letters, e.g. ETL 02-15 and 98-8. CLARIFICATION: For purposes of equal bidding please confirm the design and installation shall comply with UFC 4-211-01, Change 1, November 2017.

Answer#240: Design and installation shall comply with the latest version of UFC 4-211-01 upon bidding.

Question #242: BACKGROUND: Redundant power supply CLARIFICATION: For purposes of equal bidding please CLARIFY Is the power on base considered reliable as defined by UFC 3-600-01, or is there a redundant source such that an emergency generator is not required?

Answer#242: Assume back-up generator is not required.

Question #245: SUBJECT: TAB A1 Course of Action 3A Floor Plan

a. QUESTION/CLARIFICATION: In lite of the requirements to design the most efficient systems. Is it the intention of the Government, that all bidders strictly adhere to the published desired floor plan per Action Option Plan 3A and provide the government with what has been depicted, or are teams permitted to propose efficiency based designs relative to the requirement of the adjacencies as reflected in the referenced design guides and UFCs, and propose on an alternative floor plan?

b. QUESTION/CLARIFICATION: If alternative floor plans are permitted how do we assure that the government would accept an alternative from which our bid product was based? Would the government consider requiring a final floor plan submission with our proposal?

Answer#245: a. This is an 100% D/B Project; Tab A.1 Course of Action Option 3A Floor Plan only provide a notional concept for vendors to develop/design; b. design must comply with current UFC, NFPA, BDS and Tab D to be considered.

Question #247:Tab 4A is a concept site plan indicating an existing 12 inch water main on the West side of Building #1007. The virtual site video released and Section 4.3.A.1 of the Statement of Work indicate that the main on the West side of Building #1007 is 16 inch. Please confirm the main size on the West side of Building #1007.

Answer#247:Confirmed; 16 inch water main does in fact run parallel along west face of B1007 Question #248:This project requires compliance with UFC 3-600-01. Although this is a design-build project, it is our understanding that a Qualified Fire Protection Engineer (QFPE) must still be involved for the following tasks:

1. Fire Protection/Life Safety Design Analysis per UFC 3-600-01 section 1-7.2.2.

2. Life Safety Plans per UFC 3-600-01 section 1-7.2.3 and 1-7.2.4.

3. Fire Alarm/Mass Notification design criteria drawings and specs.

4. Fire Sprinkler (wet and pre-action) design criteria drawings and specs.

5. High-expansion foam fire suppression systems and releasing systems design criteria drawings and specs.

6. Fire Pump design criteria drawings and specs.

7. Water supply analysis and preliminary hydraulic analysis.

8. Multi-discipline review of the entire project

9. Multiple inspections of construction progress of fire sprinkler, foam suppression, foam releasing, fire pump, and FA/MNS systems.

10. Review of testing procedures (preliminary and final).

11. Preliminary test reports

12. Final certification letter.

13. Onsite witnessing of preliminary and final testing of the following systems:

a. Fire sprinkler (wet and pre-action)

b. Fire Alarm/Mass Notification

c. High-expansion Foam suppression system

d. Hi-Ex foam releasing system (Det-Tronics system and appurtenances.

e. Fire Pump- system.

Please confirm our understanding, or correct any specific task(s) listed above.

Answer#248: Confirmed Question #249: This project requires compliance with UFC 4-211-01. This UFC specifies the use of a Det- Tronics system for releasing of the Low0Level Low-Level High Expansion Foam System. Since a Qualified Fire Protection Engineer (QFPE) is required by UFC 3-600-01 to oversee the testing of these systems, is the QFPE required to have past experience with Det-Tronics systems?

Answer#249: Experience with Det-Tronics systems required.

Question #253:BACKGROUND: Tab A - Planning Charette Report; Appendix-E, Page 2; is the only location where there is a references that directs Rolling Hangar Door--Rollers to Be Refurbished There is no direction to perform this work in Attachment 1.3 SOW.

QUESTION:

a) Is this refurbishment part of the required scope of work?

b) Please confirm the conditions and extent of required repairs/refurbishment of the rollers and approx. count of them that need to be refurbished.

Since we couldnt preform a physical inspection, the extent of effort required is unknown, and further to what extent will total replacement be required?

Answer#253:a) assume refurbishment is required; b) considering hangars age; existing rollers and tracks/rails still functional but severely aging with no de-icing element in-place; each leaf of entire hangar door has 2 rollers; 10 leafs total.

Question #265 Building was built in 1958; are there significant cracks in the existing interior concrete over 1 /16th inch and how many lineal feet?

Answer #265 No significant linear cracks in existing interior concrete observed; Assume 150 LF of expansion joint requires repair/replacement; assume 3200 SF of concrete requires repair.

Question #268 Older hanger joint material sometimes contained PCBs; has it been tested? The testing report focused only on ACM and LBP.

Answer #268 No PCB testing has been done Question #270 Which hangar floors are to receive epoxy? Just the aircraft area of the hanger or are other support rooms to receive epoxy coating (and cove base)? The design standard gives epoxy as an option for some support rooms.

Answer#270 Epoxy flooring will extend into fuel cell/mx functional areas; other surfaces must comply with UFC and BDS Question #273 TAB A, architectural comments, state that the hangar doors are to be weather-striped. SOW does not include this requirement. Please confirm requirement to provide weather striping.

Answer #273 SOW amended in 4.5: H. Provide weather-stripping to hanger doors in accordance with User and Facility Requirements of Attachment A.

Question #274 TAB A and A1, changes to facility egress. Additional building exits will be required. SOW does not include this requirement. Please confirm requirement.

Answer#274 This is a 100% D/B project Question #275 TAB A, states Roller Hanger Doors-Rollers To Be Refurbished. SOW does not include this requirement. Confirm this requirement and provide quantity of rollers in need of refurbishment.

Answer #275 SOW amended in 4.5. : I. Refurbish existing rollers, guides, tracks, and rails of hangar doors in accordance with Attachment A. 1. For bidding purposes, assume all 20 rollers (2 roller per door section) require refurbishment.

Question #287 Will Division 01 be provided by the Government in SpecsIntact format, which are to be incorporated in the DORs project specifications package without modification?

Answer #287 Division 01 is provided in BDS Question # 290 TAB A Planning Charette Report indicates purge ventilation systems in the maintenance bay area and fuel cell repair room. Tab D indicates purge ventilation systems in the same spaces and minimum 0.5 cfm/ft2 normal ventilation and 1.7 cfm/ft2 when fuel vapor exceeds a certain threshold. Does the 1.7 cfm/ft2 apply to and meet the purge system requirements?

Answer #290 This is a 100% D/B project; refer to Tab A. Planning Charette Report (page 14/59) Question # 291 If the 1.7 cfm/ft2 does not apply to and meet the purge system requirements, where can the purge system requirements be found?

Answer #291 This is a 100% D/B project; refer to Tab A. Planning Charette Report (page 14/59) Question #292 SOW Section 4.8 bullet B indicates that heating devices with a flame or glowing elements open to the environment are not allowed in the aircraft servicing area or fuel cell rooms. If this is the case, will the purge systems and ventilation systems for these areas need to be spark and or explosion proof?

Question #292 SOW Section 4.8 bullet B indicates that heating devices with a flame or glowing elements open to the environment are not allowed in the aircraft servicing area or fuel cell rooms. If this is the case, will the purge systems and ventilation systems for these areas need to be spark and or explosion proof?

Question # 294 Does the existing 54 inch high CMU wainscot need to be upgraded to a height of 10ft-0in?

where exposed to hangar floor?

Answer #294 Assuming 100 LF of 54 1/2 inches tall, exterior CMU wall require repairs while the new, 10-ft interior CMU wall, which separates aircraft from support facilities, is separated/adjacent to the exterior CMU walls.

Question #296 Documents indicate two (2) transformers exist 480V and 208V 3-phase - Please advise if we are to provide Service Entrance Equipment from each and what size (in amperage)?

Answer #296 This is a 100% D/B project; voltage is determined by design based on required equipment (hangar door, fire suppression systems, etc.); refer to UFC, NFPA, Tab D Standard Design for AF Corrosion Control /Fuel Cell Maintenance Hangar Facility.

Question #297 Documents indicate all existing LED lighting and controls inside hanger to remain and untouched? Please confirm.

Answer #297 This is a 100% D/B project; vendor must ensure and/or modify existing lighting fixtures to accommodate new fuel cell maintenance function; Refer to UFC and Tab D.

Question #298 The Planning Charette document calls for the hangar door to be motorized as well as weather stripped. But further on under a photo it says rollers to be refurbished. Can you please confirm that all bottom rollers should be refurbished?

Answer#298 SOW amended in 4.5. : I. Refurbish existing rollers, guides, tracks, and rails of hangar doors in accordance with Attachment A. For bidding purposes, assume all 20 rollers (2 roller per door section) require refurbishment.

Question #299 Can you qualify if any other portion of the hangar door needs to be refurbished or upgraded?

(example; top guides, top track, bottom rail).

Answer#299 SOW amended in 4.5. : I. Refurbish existing rollers, guides, tracks, and rails of hangar doors in accordance with Attachment A. For bidding purposes, assume all 20 rollers (2 roller per door section) require refurbishment.

Question #300 Do the motors and controls on the hangar door need to meet Class 1 Div. 2 explosion proof requirements, or any other standards? Please advise.

Answer #300 This is a 100% D/B project; must comply with the UFC and NFPA Question #301 Will the hangar door continue to operate as a bi-parting door configuration, meaning one motor for each group of five panels?

Answer #301 This is a 100% D/B project; must comply with UFC, NFPA, ETL Question #303 What is the diameter of the wheel that the hangar door rolls on?

Answer #303 Wheel Radius: 4.5 inches +/- Question #306 Has any particular insulated commercial door been specified for the tail door? If not, who is responsible for ensuring that the new tail door is capable of fitting within the existing framework, and not overloading the building structure? If modifications to the building need to be made, who is responsible for the materials and engineering to ensure this meets code and does not negatively impact the integrity of the existing building?

Answer #306 This is a 100% D/B project; vendor is responsible for ensuring fitting and load requirement; minor structural upgrades will be considered an unforeseen condition Question # 307 Please confirm that the interior over-plane fall arrest systems are to be designed for two users.

Answer#307 This is a 100% D/B project; Refer to UFC, NFPA, and Standard Design for AF Corrosion Control /Fuel Cell Maintenance Hangar Facility Question # 308 The RFP, FAFB Design Standards and MACC specifications reference outdated Engineering Technical Letters, e.g. ETL 02-15 and 98-8. Please confirm the design and installation shall comply with UFC 4- 211-01, Change 1, November 2017.

Answer #308 Design and installation shall comply with the latest version of UFC 4-211-01 at the time of bidding.

Question #310 Please confirm project specifications shall be prepared in Unified Facilities Guide Specifications (UFGS) format standards per UFC 1-300-02 and as referenced in the Whole Building Design Guide. Note that MasterSpec does not have equivalent sections for the design of High Expansion Foam or Mass Notification systems subject to Air Force requirements.

Answer #310 Confirmed Question #311 Will the hangar bay roof be insulated and reliable sources of heat provided throughout the facility such that automatic wet-pipe sprinkler protection could be provided in the hangar bay in lieu of a single interlock pre-action system and associated detection system?

Answer #311 Hangar bay roof will be insulated per Tab A (50/59); Single interlock pre-action system and associated detection system necessary; must comply with the UFC and NFPA.

Question #312 Please confirm automatic wet-pipe sprinkler protection is permitted throughout support spaces provided with reliable sources of heat.

Answer #312 This is a 100% D/B project; must comply with the UFC and NFPA Question #315 Please confirm all support spaces (and mezzanines) shall be separated from the hangar bay by 2-hour fire resistive construction.

Answer #315 Per Tab A. PCR (page 36/59), The support spaces require a 1-hour rated separation from the hangar area.

Question #330 Are soft start fire pumps required?

Answer #330 This is a 100% D/B project; must comply with the UFC, NFPA, BDS, ETL Question #333 Upon detection of waterflow and/or HEF discharge, should the electrical equipment serving the hangar bay be connected to a shunt trip breaker?

Answer #333 Refer to current NFPA and ETL Question #334 Please confirm all fire detection and alarm MNS equipment located in the hangar bay and foam equipment room is required to be NEMA 250 Type 4 rated, and that all raceway shall have rain tight connections.

Question #334 Refer to current NFPA and ETL

Question #335 Please confirm all fire detection and alarm MNS conduit and boxes shall be factory painted red per UFC 3-600-01.

Answer#335 Refer to current NFPA and ETL Question #336 Are there special fire protection features associated with the computer room the contractor should be aware of, e.g. compliance with NFPA 75 or ETL 01-18: Fire Protection Engineering Criteria - Electronic Equipment Installations? Note that the architectural, fire sprinkler, fire alarm, mechanical and electrical designs will be affected.

Answer #336 This is a 100% D/B project; must comply with the UFC, NFPA, ETL Question #337 UFC 4-211-01 requires equipment to be connected to emergency power, e.g. hangar bay door, blue beacons, etc. Please confirm an emergency generator is required for this project. If so, should the emergency generator be sized for the entire building load, including fire pump?

Answer#337 Assume back-up generator is not required Question #338 Is the power on base considered reliable as defined by UFC 3-600-01 such that an emergency generator is not required?

Answer #338 Assume back-up generator is not required Question #339 The SOW indicates that two additional fire hydrants are required. If located on the flight line side of the hangar, should the hydrants be low-profile or below grade?

Answer #339 This is a 100% D/B project; must comply with the UFC, NFPA, BDS, ETL Question #340 TAB_A4 indicates the location of the two new fire hydrants. Please confirm hydrant locations within 40 feet from the building served are permitted.

Answer #339 This is a 100% D/B project; must comply with the UFC, NFPA, BDS, ETL Question #341 The SOW indicates a fire service backflow preventer is required. Please confirm a reduce-pressure backflow is required.

Answer #341 This is a 100% D/B project; must comply with the UFC and NFPA Question #342 The SOW indicates a PIV is required on the new fire service. Please confirm the PIV shall be located at least 40 feet away from the building.

Answer #342 This is a 100% D/B project; must comply with the UFC, NFPA, ETL Question #343 The SOW indicates a PIV is required on the new fire service. Please confirm whether a PIV tamper switch or pad lock is required for valve supervision. If pad lock, please confirm the base will provide the lock upon final system acceptance.

Answer #343 This is a 100% D/B project; must comply with the UFC, NFPA, ETL Question #344 The new automatic fire sprinkler system will require a fire department connection. Please clarify whether a wall mounted FDC or a remotely located (at least 40 feet away) FDC will be required.

Answer #344 This is a 100% D/B project; must comply with the UFC, NFPA, ETL Question #345 In terms of electrical voltage for the fire pump control, please confirm 460 volt, 3 phase, 60 Hz is available for direct service.

Answer #345 Confirmed Question #346 Where routed through the building, please confirm the power feed to the fire pump must be protected by a fire-rated assembly listed to achieve a minimum fire rating of 2 hours.

Answer #346 This is a 100% D/B project; must comply with the UFC, NFPA, BDS, ETL Question #347 The SOW indicates radiant tube heating systems are required. Please confirm the fire detection and alarm MNS shall include carbon monoxide detection per UFC 3-600-01.

Answer #347 This is a 100% D/B project; must comply with the UFC, NFPA, BDS, ETL Question #348 Multiple power circuits are anticipated for the fire protection systems. Please confirm a panel board (sized for a minimum of six circuits) dedicated to fire protection and life safety systems powered from a lock-on breaker in the upstream distribution equipment per UFC 3-520-01 is required.

Answer#348 Confirmed Question #349 The roof pitch appears to exceed 2:12. Please confirm the automatic fire sprinkler system design area shall be increased by 30% per UFC 3-600-01.

Answer#349 This is a 100% D/B project; must comply with the UFC, NFPA, ETL Question #350 TAB_A2 shows B2036 within the standoff distance. Please confirm this existing nonconforming condition will remain. Note that UFC 4-211-01 and NFPA 409 require a clear distance of 50 feet unless 2-hour fire resistive construction is provided. TAB_A and TAB_A1 provide guidance and propose that the north wall and west wall, near B2036, be upgraded to a 2 hour rating. However, windows and doors are shown. Please confirm that the windows and doors must be provided with at least 120-minute fire resistance rating.

Answer#350 This is a 100% D/B project; must comply with the UFC, NFPA, BDS, ETL Question #351 Please confirm all interior windows and doors located in fire rated walls must be provided with equivalent fire resistance ratings.

Answer#351 This is a 100% D/B project; must comply with the UFC and NFPA Question #352 Please clarify painting requirements for the fire protection piping. Should the piping be painted red throughout the facility, or painted to match adjacent surfaces and provided with red bands per UFC 3-600- 01?

Answer #352 This is a 100% D/B project; refer to UFC, NFPA, base standards Question #353 Is the new fire service entering the building required to enter through a trench such that the piping is not located beneath the floor slab?

Answer #353 This is a 100% D/B project; must comply with the UFC and NFPA Question #355 Is a counterpoise (ground ring) grounding system currently installed on the building? If so what size of grounding wire is installed and what is the depth of the counterpoise ground ring system?

Answer #355 Condition unknown; assume no existing system and new system/testing is required Question #356 Is the lightning protection system required to be designed and installed per AFI 32-1065, UFC 3- 575-01 (required per AFI 32-1065) and NFPA 780?

Answer #356 Confirmed per Tab A PCR; Lightning protection does not exist in the current hangar and should be installed according to UFC 4-211-01. System include roof air terminals and down conductors to ground grid.

Question #360 Are there any ground resistance testing requirements for this project? For example, the grounding system must test below 10 ohms etc.

Answer#360 Condition unknown; assume no existing system and new system/testing is required Question #361 Are any static grounding bars mounted on the building walls or static ground receptacles installed in the hangar floor required for this project?

Answer#361 Condition unknown; assume no existing system and new system/testing is required Question #362 What is the depth of the concrete and asphalt pavement around the hangar?

Answer #362 Exterior pavement work are not required Question #363 Can any specs be provided for replacement of concrete and asphalt if needed?

Answer# 363 Exterior pavement work are not required Question #369 In the virtual site walk video it shows fiber and copper cabling in the building. Are these cables to be reused or does new fiber and/or copper backbone cabling need to be installed?

Answer #368 No available analysis; must conducted post-award Question #369 In the virtual site walk video it shows fiber and copper cabling in the building. Are these cables to be reused or does new fiber and/or copper backbone cabling need to be installed?

Answer#369 Assume cables cannot be reused Question #370 BACKGROUND: TAB_1A_Course of Action Option 3A Floor Plan: CELL RM.

CLARIFICATION: For purposes of equal bidding please CLARIFY what is meant by CELL RM on the Action Option Plan 3A. In referencing the Standard Design; Air Force Corrosion Control/Fuel Cell Maintenance Hangar Facility Guidelines we see NO MENTION of a CELL RM. We would like it to be CONFIRMED if the CELL RM is a Fuels Cell Shop. If it is NOT the Fuel Cell Shop please CLARIFY what this room is and where it is referenced in ANY of the UFC/Guide Specification provided by the RFP.

Answer #370 Cell Room required; fuel cell shop Question #371 BACKGROUND: TAB_1A_Course of Action Option 3A Floor Plan: CELL RM.

CLARIFICATION: For purposes of equal bidding please VERIFY that the CELL RM and Adjacent CTK Room are both elevated 18 inches above the adjacent Maintenance Hangar Bay finish floor. Is a trench drain per UFC 4-211-01, section 5-11 required for this project? In the absence of as-built information, has the Government confirmed that no modifications are required to the existing door tracks and overhead guide rails to accommodate the new rolling hangar doors?

Answer #371 This is a 100% D/B project; must comply with the UFC and NFPA Question #374RFP Tab A, Charette Report, section 3.2, Seismic Evaluation Required, refers to the Life Safety performance based on BSE-1E loading to be the project performance requirements. UFC 4-211-01, section 3-4 indicates that hangars are to be Risk Category III, unless the Authority Having Jurisdiction deems otherwise. UFC 3-301-01 (2019 edition), section 4-2.1.1 requires that a Risk Category III structure have an Evaluation Performance Objective of Damage control in a BSE-1E event and then Damage Control in BSE-1N and Limited Safety in BSE-2N, as the Retrofit Performance Objective. Please confirm the Risk Category to be used for this hangar evaluation, and the consequent seismic performance criteria.

Answer #374 Category II confirmed Question #375 The RFP is silent on the wind design for this hangar. The wind load design has evolved since the construction in 1958. Does the building structure need to be evaluated for wind loading?

Answer #375 No Question #376 There are no as-built structural drawings provided in the RFP. Please provide as-built drawings, including original load criteria, to ensure no DB teams have an unfair advantage with additional information not provided in the RFP.

Answer #376 All available project specific as-builts have been provided.

Question # 377 RFP Tab A, Charette Report, section 3.2, Airfield Repair Alternatives notes that one of the added fire hydrants is in the airfield paving. Will the contractor be allowed to cut and patch the airfield pavement panels, or does an entire panel need to be replaced when the water service to the hydrant is installed?

Answer #377 Mentioned panels can be cut and patched Question #380 Please confirm that the applicable DOD Building Code version for this project is UFC 1-200-01, dated 8 October 2019. If not, please indicate the applicable overarching document.

Answer #380 Design and construction shall comply with the latest version of UFC at the time of bidding Question #381 The SOW does not establish the Risk Category for this project, as defined in UFC 3-301-01, dated 1 October 2019 Table 2-2. Please provide the applicable Risk Category for this project.

Answer#381 Category II confirmed Question #382 The Charette report provided in the RFP does not indicate the structural load requirements that are the basis of the structural findings in the report. Please confirm that there are no additional structural loads other than what is specifically indicated in this SOW, UFC 3-301-01 and UFC 4-211-01.

Question #382 Fire suppression and insulation projects at similar hangars require no structural modification; see projects 1011 and 1015 for comparison

Section J - List of Attachments

Miscellaneous text in this section has been modified to:

1. MACC Seed Project FOPR Letter as of 17 April 2020

1.2 Price Schedule

1.3 MACC Seed Project SOW as of 27 April 2020

A. TAB A - Planning Charette Report TAB A.1 - Course of Action Option 3A Floor Plan TAB A.2 - Site Plan Map TAB A.3 - Elevation Model TAB A.4 - Utility Plan TAB A.5 - As-Built Drawing Submittal B. TAB B - Type A Pad Mount Oil-Insulated Switchgear Reference C. TAB C - Base Switchgear Map D. TAB D - Corrosion Control_Fuel Cell Mx Hangar Facility Standard Designs E. TAB E - Hazardous Materials Inspection Report F. TAB F - Standard Restroom Fixtures Cut Specification Reference G. TAB G - B1001, B1003, B1005 and B1007 As Built Drawings

2. Past Performance Information

3. Past Performance Cover Letter and Questionnaire

4. Subcontractor/Teaming Arrangement Release

5. MACC Orientation Seminar Task Order 0001 SOW, dated 16 January 2020

6. MACC Specifications, dated 7 January 2020

7. Fairchild AFB 2018 Base Design Standards

8. Fairchild AFB IFS 2019 G. TG. TAB G

9. Fairchild AFB Climate Weather Data

10. Wage Determinations:

A. WD WA20200017 Building - Spokane County B. WD WA20200076 Heavy (includes sewer & water) - Spokane County C. WD WA20200001 Highway - Statewide

11. Task Order Procedures

12. 2020 MACC Virtual Preproposal Site Visit/Conference - FA462020R0002