Amendment W912DS25BA0040005.pdf

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 the offer 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 NUMBER

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

NOTE: Bidders must acknowledge receipt of this amendment by date specified in the bid (or as amended) by one of the following methods:

In the space provided on the SF 1442, by separate letter, or by signing block 15 below . FAILURE TO

ACKNOWLEDGE AMENDMENT BY DATE SPECIFIED MAY RESULT IN REJECTION OF

YOUR BID IN ACCORDANCE WITH THE LATE BID, LATE MODIFICATION OF BID, OR LATE

WITHDRAWAL OF BID (FAR 14.304)

SUMMARY OF CHANGES

Section 00 10 00 - Solicitation, Contract Line Item Number (CLIN) Schedule

Additional Information/Notes

Item Supplies/Service Quantity Unit Unit Price Amount

JBMDL B331-B332 Lab Expansion: All work (includes all plant, labor, and material) for the construction of Additive Lab Facility (Phase 1) as outlined in Phase 1 plans and specifications except for Items listed below

Pricing Arrangement: Firm Fixed Price

1 Job

JBMDL B331-B332 Lab Expansion: All work (includes all plant, labor, and material) for the site work outside the 5ft mark of Additive Lab Facility as outlined in Phase 1 plans and specifications except for Items listed below.

Pricing Arrangement: Firm Fixed Price

1 Job

JBMDL B331-B332 Lab Expansion: All work (includes all plant, labor, and material) for the Renovation of Bldg 331 as outlined in Phase 2 plans and specifications except for Items listed below.

Pricing Arrangement: Firm Fixed Price

1 Job

Option Line Item

JBMDL B331-B332 Lab Expansion: All work (includes all plant, labor, and material) for the Renovation of Bldg 332 as outlined in Phase 3 plans and specifications except for Items listed below. Option may be exercised any time from 1 October 2025 but prior to 30 September 2026.

Pricing Arrangement: Firm Fixed Price

1 Job

Option Line Item

JBMDL B331-B332 Lab Expansion:

Procurement delivery and Installation of a diesel Generator as noted in the Plans and Specifications (E-601A) (option may be exercised within 365 days of NTP)

Pricing Arrangement: Firm Fixed Price

1 Job

JBMDL B331-B332 Lab Expansion:

Procurement delivery and

W912DS25BA004

Option Line Item

Installation of an Automatic Transfer Switch as noted in the Plans and Specifications (E-601A) (option may be exercised within 365 days of NTP)

Pricing Arrangement: Firm Fixed Price

1 Job

1.

2.

3.

4.

5.

6.

Section 00 20 00 - Instructions for Procurements

TOTALBASE BID PRICE FOR LINE ITEMS 0001- 0003 _______________

TOTAL OPTIONAL ITEMS PRICE FOR LINE ITEMS 0004- 0006 _______________

TOTAL BASE BID + OPTIONAL ITEMS PRICE FOR LINE ITEMS 0001- 0006 _______________

NOTES:

Bidders are required to bid on all the Base Bid and all the Optional Bid Items or their bids will be rejected.

Bidders are reminded that they must bid on the issued plans and specifications as amended. Any deviations, conditions or attachments made by the bidder himself, thereto, may render the bid non-responsive and be cause for its rejection.

The Basis of Evaluation will be the lowest responsive, responsible bid based on the Total Amount for the Base Bid Items plus any Optional Bid Items (Line Items 0001 thru 0006).

CLIN 0004 - Option 1: At any time after 1 October 2025 but prior to 30 September 2026, the Government at its option, may direct the Contractor, by written order, to perform the work and/or services provided under this Option. Execution of this option at any time prior to 30 September 2026 will extend the project completion date by 270 Calendar Days.

CLIN 0005 and CLIN0006 - Option 2 & 3: at any time within 365 calendar days of issuance of notice to proceed the

Government at its option, may direct the Contractor, by written order, to perform the work and/or services provided under each of the Options. Execution of either of the options will not extend the contract duration.

The Bid Acceptance Period is as stated on Standard Form 1442.

Lakehurst JBMDL, NJ Additive Lab Add & B331/332 Reno

Amendment 0005

AMENDMENT 0005 to DRAWINGS and SPECIFICATIONS for Additive Lab Add & B331/332 Renovation at Lakehurst JBMDL, NJ.

TO OFFERORS

The following changes shall be made to the drawings and specifications.

DRAWINGS

1. The following DRAWINGS have been REVISED but NOT REISSUED:

- None

2. The following DRAWINGS have been REVISED and REISSUED:

- None

3. The following DRAWINGS have been ADDED:

- None

4. The following DRAWINGS have been DELETED:

- None

SPECIFICATIONS

1. The following SPECIFICATION SECTIONS have been ADDED and are provided in their entirety herein:

- Appendix G – B331 Photos

- Appendix H – B332 Photos

- Appendix I – Transformer Photos

- Appendix J – AMRS SOW for Meter install

2. The following SPECIFICATIONS SECTIONS have been DELETED in their entirety:

- None

3. The following SPECIFICATIONS SECTIONS have been REVISED and REISSUED:

- 00 10 00 – Bid schedule

4. The following SPECIFICATIONS have been REVISED but NOT REISSUED:

- Section 01 50 00 – replace subparagraph 3.6.1 in its entirety with “Not Required” and delete subparagraph 3.6.2 in their entirety.

- Appendix D – Conclusions & Recommendations (pg4) table correction for column “Total Quantity” is corrected for 2 references from “6,300SF” to “4,000SF”

PROPOSER’S QUESTIONS AND GOVERNMENT REPLY

Questions that may be of general interest to all Offerors and/or the Government and that are not readily answered by the proceeding changes will appear below. These questions may have been paraphrased or altered to represent several questions regarding the same subject and/or simply revised to clarify and simplify the question(s). Questions and answers are issued to the Offerors “for information only” and do not revise the solicitation, plans or specifications.

1. Can we request pictures of the interior of B331 & B332 so we can quantify the demo?

RESPONSE: Pictures are hereby included with this amendment.

2. Can we request pictures of the existing Medium Volt Gear, 2000kva transformer and area surrounding? RESPONSE: Pictures are hereby included with this amendment.

3. Are the existing structural dwgs or steel shop dwgs available for the adjacent buildings?

RESPONSE: Unfortunately, as-build drawings are no longer available.

4. Can the existing roof framing of those buildings be accessed for visual survey?

RESPONSE: Please refer to the photos, framing is visible in the photos.

5. Expected start and finish dates for each phase RESPONSE: The estimated month for contract award is June, typically the NTP is issued within 4 weeks of contract award. The durations as noted in the solicitation should be used for generation of construction schedule. This will also be discussed at the pre-construction meeting.

6. Is this going to be 1 contract, or 3 contracts based on the phasing RESPONSE: The scope of this solicitation includes all documents posted. This is a single contract with three (3) phases.

7. Will power and dumpster be supplied by awarded general contractor / government RESPONSE: Contractor will be responsible for providing a dumpster for demolition materials and proper disposal. Existing power can be used for construction equipment.

8. Can the Bid Due Date be extended RESPONSE: Please refer to amendment 0004 for bid due date.

9. Will a superintendent/site manager be present onsite at all times whenever work is being performed? RESPONSE: Correct, refer to 01 30 00 par 1.8

10. Will a SSHO need to be present onsite at all times whenever work is being performed?

RESPONSE: Correct, refer to 01 35 26 par 1.7

11. Will a QCM need to be present onsite at all times whenever work is being performed?

RESPONSE: No, QCM does not need to be on site at all times. Please refer to sections: 01 30 00, 01 35 26, 01 45 00.00 10 for requirements and duty responsibilities.

12. Will office space be made available in the facility, or do we have to provide office trailer?

RESPONSE: The contractor will be required to provide their own office trailers as noted in 01 50 00, par 3.5.

13. Where will the laydown area be located? RESPONSE: Yes, location (near the project site) will be discussed at the preconstruction conference.

14. Will CAD drawings be provided upon Award? RESPONSE: Yes.

15. Will access to electrical power for tools be made available? RESPONSE: Yes, contractors can use existing power for construction equipment.

16. How soon after award can the contractor expect the NTP? RESPONSE: Typically, the NTP is issued within 4 weeks of contract award.

17. The price hold for this project is 365 days, Is there any escalation clauses in the government’s contract for materials or for diesel fuel, labor etc.? Please advise how to proceed. RESPONSE: The bid acceptance is noted on SF1442, the optional item should be priced as described in the solicitation with the expected execution timeframe as stipulated. The contract does include Clause 252.243-7002 (Requests for Equitable Adjustments)

18. What is the governments time for review and approval of submittals? RESPONSE:

please refer to 01 33 00 par 1.8.

19. Will time for procurement of materials be considered part of the POP? RESPONSE:

Yes.

20. Will the superintendent, SSHO, QC manager be able to tri-hat or dual-hat? RESPONSE:

Please refer to section 01 35 36 par 1.7

21. Is there a state GC License requirement for this project? RESPONSE: General Contractors shall be registered in SAM.Gov to be eligible for award.

22. Does the government anticipate any non-access days where no construction will be allowed? RESPONSE: Please refer to section 01 14 00 for work restrictions.

23. CD101A Keynote #10 - What is under the #10 steel plate? RESPONSE: The plate has already been removed and there was nothing underneath. Note will be revised and drawing reissued in the upcoming amendment.

24. CD101A Keynote #3 - What is the existing vault #8 serving? RESPONSE: Based on the available information the vault/utility lines are abandoned and were for old compressed air and steam lines.

25. IF101B Is there any cyber requirements for the GFCI? RESPONSE: There is no GFCI equipment on the reference sheet. All equipment on the sheet is already compliant with cyber requirements and will be installed by the government.

26. Options 4, 5, & 6 require a bid hold that could extend from May 22, 2025, to September 30, 2026. This results in a potential pricing hold of 496 calendar days or 16 ½ months. This is an especially long time to maintain pricing, especially in the current uncertain tariff environment. Almost certainly, the economy will look very different in a year and equipment, like generators (Option 5) and Automatic Transfer Switches (Option 6) are subject to price fluctuations in a volatile economic climate. Can the bid hold requirement be reduced ensure confidence in pricing or can there be language added that allows for pricing adjustment if there is escalation? RESPONSE: No, unfortunately window for optional items cannot be reduced. The solicitation does include REA clause 252.243-7002. Please refer to the revised bid schedule as issued under this amendment.

27. In the new building - has the 10’ x 12’ OH Door No. 102B been removed from the scope of work ? The revised Door Schedule associated with Amendment no. 2, does not include the originally planned OH Door 102B between rooms 101 and 102. RESPONSE: No, please pay close attention to the drawing nomenclature, the revised drawing as issued in amendment #2 is for Phase 3 (B332)

28. Drawing MD101A notes temporary heat for phase 1 and phase 2. How long will temporary heating and cooling be needed for during these phases? RESPONSE: To reiterate the intent of the note on MD101A – B332 is to be heated and/or cooled as the weather dictate so that operations within it can be maintained. The duration of the temporary heating/cooling will be until construction of phase 1 and 2 are complete.

29. FA001A Provide contact information control wiring vendor. RESPONSE: Unfortunately, vendor information cannot be provided, provide wiring based on the requirements of the specifications .

30. FA001A Provide contact information for the fire alarm vendor. RESPONSE:

Unfortunately, vendor information cannot be provided. Please refer to the J&A as included in this solicitation under appendix A.

31. Will the government provide tax-exemption form upon award or shall taxes be applied for materials? RESPONSE: The offeror's attention is directed to FAR 52.229-3, Federal State and Local Taxes. Determination of the applicability of taxes is the offeror's responsibility, and offerors are responsible for including all applicable taxes in their proposal. After award, the Contracting Officer may be able to assist with obtaining tax exempt certificates, however, assistance with provision of a form is not an assurance that the contractor will be able to purchase materials that are tax exempt.

32. (Key Note #10 )M-101A. “Filter Grille for high particulate, box unit with filter and holding frame. Unit to mount In 24x24 Grid, Stainless steel frame with knurled thumbscrews and for use with 2” filters.” Please provide Manufacture and model for vendor pricing. RESPONSE:

Manufacturer cannot be provided. Please provide equipment based on the required characteristics as noted in the plans and Specifications.

33. We have to demo/relocate power and communications that feed existing buildings. Is the expectation that we include a cost to temp feed these buildings for both power and comms?

RESPONSE: The demo sheets include a way to power one of the buildings that will be impacted by the construction of the center area. COMs feed in from the northside and are not anticipated to be impacted by the construction on the center new area. The intent is to build the center area then back feed the existing panels during each phase of construction.

34. Based on the walk – does building B331 & B332 need to have static control - based on the various gases and kinds of material used in these areas. RESPONSE: No, bldg 331 & bldg 332 do not have a requirement for static control.

35. What kind of daily traffic does the floor take Can metal base be substituted for resinous integral cove base. Are there any “Ohm” requirements in these buildings – if so, please provide thresholds and location of these thresholds RESPONSE: Phase 1 has limited forklift traffic to install equipment. Other spaces are standard foot traffic. Bid as shown in construction documents. Please reference specification 09 67 13.05 paragraph

2.2.1.2 Cured Epoxy Body Coat for requested Conductivity requirements.

36. M-101A room next to the power handling has a 10” return air from RTU 3. On the end of the run is a FG-1 call tag, There is no reference to this on the equipment schedule for the FG-1. Please clarification for FG-1. RESPONSE: FG-1, is used to represent Filter Grille, it is defined at Keynote 10.

37. Missing reference for SD-4, SD-5, RG-1, RG-3, FG-1, UH-301, those appear on ME schedules but not elsewhere in the drawings and vice versa, please clarify. RESPONSE:

The DRG schedule needs to be corrected. SD-1, are supply square faced 24x24 louver aluminum, SD-2 and SD-3 are sidewalls , SD-4 and SD-5 are sidewalls on phase 2, RG- 1 is a 24x24 square perforated ceiling grille. RG-3 are duct mounted sidewalls on phase 3. FG are Filter Grilles (see note above), and UH-301 is labelled incorrectly on the schedule, and should be UH-1 (located in Mechanical -104). Drawings will be issued under upcoming amendment.

38. Many of the RTU drops don’t have ductwork sizes, please clarify the sizing and duct insulation for this lab. Please include sizes for the ductwork and duct runs not labeled.

RESPONSE: Ductwork sizes are shown on the HVAC Plan

39. Please provide elevation reference for the ductwork on M101A, for clarification of drops, and horizonal runs. RESPONSE: Elevations were modeled and are inherent with the components. Sections show ductwork and elevations can be added in the upcoming amendment.

40. Please provide spiral duct construction specs and duct insulation intended for the lab.

Example: double wall spiral, single wall- lined, or single wall with duct wrap? RESPONSE:

Exposed duct made of G90 Galvanized Steel, Max pressure +6 (in wc), seal class A, double wall G90 inner/outer, 1” interstitial fiberglass, 0.75 PCF, insulation.

41. The system asked for is a full flake flooring system with a nominal thickness of 20-30 mil.

096723.13 3.2.2 talks about a troweled epoxy mortar at 3/16 inch which 187-mil. Please clarify that the referenced material on AF101B and AF101C are what is expected and not a troweled epoxy mortar. RESPONSE: Basis of design is full flake system (per finish schedule) which can be troweled. However, the thickness will be 20-30 mils. This specification will be revised to reflect that thickness in a future amendment.

42. STATIC CONTROL RESINOUS FLOORING – 09 67 13.05 – Lab Addition: (a) Is the government looking for fully conductive or just static dissipative? Spec calls for static dissipative - can we get confirmation on what “Ohm” thresholds the government is trying to achieve? (b) Desired finish texture for system, Can resinous ESD flooring systems be an alternate for VCT ESD flooring? If so, what spec should we follow? Please provide nominal floor thickness requirements for total floor thickness RESPONSE: a) Please reference specification paragraph 2.2.1.2 Cured Epoxy Body Coat for requested Conductivity requirements. b) Basis of design texture is smooth with ASTM D2047 (slip resistance).

Slip resistance reference will be added to the spec in a future amendment. VCT ESD flooring cannot be used.

43. Would slurries and/or high build broadcast systems be considered by the government as a trowel mortar system RESPONSE: Basis of design is full flake system (per finish schedule); thickness is (+/-) 30mil.

44. Is the mechanical metal platform getting painted? RESPONSE: No, the mechanical platforms are not painted. Intent is for mechanical platform to be galvanized.

45. Phase 3 - Building 332 Renovation “The specific ACM to be abated was not identified in the following report: Asbestos Containing Building Material & Lead Based Paint Survey, Buildings 331/332, Joint Base McGuire-Dix-Lakehurst, New Jersey, conducted by Merrick/Acer, April 28, 2023.” For bidding purposes, would you please provide the survey and amounts two (2) additive manufacturing rooms in B332. Are there any other hazards that have not been tested, i.e., PCB, fuels? RESPONSE: Please reference the Conclusion and Recommendations in the report. It lists the ACM found in Building

332. No other Hazards are expected.

46. AD101B Detail #3 - Storefront window systems on the building exterior masonry of B331 & B332 are to be replaced. Some of the existing windows face the new Lab but are not shown on the demolition plan for removal but have not been indicated as openings being filled in on new plans. Would you please advise of the requirements for the existing windows that face the interior of the new lab? Does UFC 4-010-01 DoD Min. Antiterrorism apply to all glazing? If the existing windows facing the lab remain what type of glazing should they include? RESPONSE: Correct, there are window openings that face the new lab. They are listed to be removed and infilled with CMU block as part of that work on sheet AD101A. Thus, the removal of storefront in those openings should have already been performed in Phase 1.

47. CD101A Keynote #12 - What happens to #12 Electrical Equip. & concrete pads that are that are removed in Ph 1 for B331 Phase 2? RESPONSE: please be sure to coordinate with electrical plans as well. One of these is an abandoned transformer to be removed.

The other transformer is being relocated to the SW corner of B331 and connections rerouted in Phase 1 (see Electrical Plan ED101A).

48. CD101A Keynote #13 - What happens to # 13 B332 gas line that is removed in Ph 1 when B332 is Ph 3? RESPONSE: Refer to mechanical sheet MD101A for B332 approach without natural gas prior to Phase 3.

49. CD101A & CS101A Keynote #14 - Ph 1 Water line tie #14 from 331 to the corner of 332 is cut. CS101A picks up a connection at the other side of the building. How does the internal connection in B332 take place as B332 is not till Ph 3? RESPONSE: Existing sanitary sewer and water services for the B3332 restroom are located off the northwest corner of B332 and will remain in service. The new water and sewer connections shown on CS101A will be for use during Phase 3 B332 restroom renovation.

50. CD101A & CS101A Keynote #15 B331 sanitary #15 on CD101A is relocated outside the building on CS101A. That requires work inside the building but that is phase 2.

RESPONSE: Refer to P-101A for B331 restroom and plumbing work in Phase 1.

51. CD101A Keynote #18 What happens to # 18 B332 compressed air, steam and condensate pipes that are removed in Ph 1 when B332 is Ph 3? RESPONSE: Pipes associated with keynote #18 were indicated to the design team as being legacy and abandoned. They do not serve any current functions in B331 or B332.

52. 26 05 73, Paragraph 1.4.1 The system analyzer must perform the power system studies.

The system analyzer must be a registered professional electrical engineer with a minimum, of 3 years of experience with power system studies. This requirement delays approving electrical submittals and/or overall project completion. Shouldn’t this fall under the DOR as it may require system changes to design? RESPONSE: No, this is required to be selected and analyzed from the final equipment selected and then the PE hired by contractor or supplied from the vendor will analyze the electrical selected equipment submitted and provided for Gov review/approval for construction.

53. CD101A Keynote #1 How are the existing roof drains at the Lab being handled when B331 is Ph2 and B332 is Phase 3? RESPONSE: Roof construction for all three buildings is completed in Phase 1. Please reference A4/AE301A for roof pitch and gutter/downspout information, as well as references to details for same.

54. S-102A, S-202A Detail 8A/S-202A: Roof downspouts and roof pitches 8A/S202A are presently draining roof areas of B331 and B332 to the new lab area. The light gauge metal roof buildup detail A8/S-202A F for both B331 & B332 resolve the drainage issue but not till Clin 3 or 4. We did not see any additional details for detail A8 or closure detail next to the

Lab. How is the drainage on B331 & B332 corrected for CLIN 1 Lab? RESPONSE: Roof construction for all three buildings is completed in Phase 1. Please reference A4/AE301A for roof pitch and gutter/downspout information, as well as references to details for same.

55. AD101B Notes #10 are located in the back half of the new Lab and B332. The description is, All Elements of the existing Lab Addition and B332 are to remain? Can you please clarify the intent? RESPONSE: There are three separate sets of construction drawings. Objects marked “to remain” are part of the other two Phases (and are outside of the scope of the drawing set in which the note appears).

56. AD110B Note #3 is located in the back half of the new Lab and B332. The description is, All Elements of the existing Lab Addition and B332 are to remain? Can you please clarify the intent? RESPONSE: There are three separate sets of construction drawings. Objects marked “to remain” are part of the other two Phases (and are outside of the scope of the drawing set in which the note appears).

57. Note #6 / AE101B; K4 / AE201B B331 Note #6 Existing ladder to remain does not appear to reach the new light gauge metal roof truss elevation shown on South Elevation K4 / AE201B. Should this be a new ladder and demo the old ladder? RESPONSE: This ladder is new as it is scheduled to be installed in Phase 1 (on sheet AE201A). Thus, the ladder is to remain in Phase 2 and Phase 3.

58. E4/ AE301B 8A/S-202A The Building Section E4 / AE/301B does not clearly show roof demolition and added masonry at both B331 and B332 for the Lab for the joist bearing elevation of the roof structure. B331 requires additional 6 feet of masonry and 10 feet of additional masonry for B332. How do you propose we support the joist bearing heights for the Lab before PH 2 & 3, CLIN’s 3 & 4? RESPONSE: The referenced roof demolition of Bldg 331 (Phase 2) and Bldg 332 (Phase 2) is scheduled to be removed in Phase 1 (on sheet AE201A). The new roof installation is also in Phase 1.

59. E-501B Electrical Schedules: B331 & B332 include roller shades are specified as motor operated. We did not see them in the Electrical Schedules or noted on plans? Would you please advise of power supply? RESPONSE: Provide power for roller shades as required by architectural plans, updated drawing will be provided in upcoming amendment.

60. There was not a roller shade specification for Phase 1, Lab. Were roller shades needed?

RESPONSE: No, there are no roller shade in Phase 1.

61. Spec. 21 13 13 Specification section 21 13 13 shown wet pipe sprinkler system specification but we didn't receive drawings for building #331 RESPONSE: Only the center building (new addition/Phase 1) will be provided with sprinklers. B331 and B332 will not be sprinklered.

62. Spec. 21 13 13 Specification section 21 13 13 shown wet pipe sprinkler system specification but we didn't receive drawings for building #332 RESPONSE: only the center building (new addition/Phase 1) will be provided with sprinklers. B331 and B332 will not be sprinklered.

63. Addendum #1 Appendix D -Hazmat survey shown quantity of mastic associated with 12" 12" blue tile quantity 6,300 SF but building is 4,000 SF (100'L x 40') for building #331 See Dwg. AD-101B. RESPONSE: Use building SF and assume all flooring has ACM mastic underneath. Correction to SF is made in this amendment.

64. Addendum #1 Appendix D -Hazmat survey shown quantity of mastic associated with 12" 12" blue tile quantity 6,300 SF but building is 4,000 SF (100'L x 40') for building #332 See Dwg. AD-101C. RESPONSE: Use building SF and assume all flooring has ACM mastic underneath. Correction to SF is made in this amendment.

65. Dwg. M-101A What is FG-1 shown on Dwg. M-101A (Additive Lab Addition).

RESPONSE: FG, is used to represent Filter Grille, it is defined at Keynote 10.

66. Dwg. M-101A What is ESO shown on Dwg. M-101A (Additive Lab Addition).

RESPONSE: ESO has been mis-labelled on drawing and should be corrected to EPO, this is the UFC required System Emergency Shutdown, will be corrected in the upcoming amendment.

67. Phase 1, spec section 09-77-20 calls for decorative fiberglass reinforced wall panels. We could not find a location for these in the drawings. Please advise. RESPONSE: FRP spec is not applicable to the addition. This will be rectified in a future amendment.

68. AE120A Please provide details for mechanical platform and stair on roof (Note #6/AE120A). RESPONSE: Please reference note #3 on S-102A for information on design intent and coordinate with metal roof manufacturer (per 07 61 14.00 20 STEEL STANDING SEAM ROOFING, paragraph 1.3.2 and 2.1).

69. S-503A As per Note #17 & 17 Det. A1/S-503A is missing on drawing S-503A.

RESPONSE: Plan note 18 on S-101A should read “SEE K1 / A-503A FOR TYPICAL DETAIL” (it was mistakenly referenced A1 / S-503A), correction will be issued under upcoming amendment.

70. AD101C As per Note #9/AD101C: Strip existing epoxy coating on floor - this coating removal required after mastic associated with 12” x 12” Blue Floor Tile removal?

RESPONSE: This is for the contractor to determine (means and methods).

71. Section 07 22 00, paragraph 3.2 calls for the installation of a vapor barrier. This material is not specified in Part 2 products nor is a vapor barrier shown on the details / drawings. Is a vapor barrier required? RESPONSE: Vapor barrier(s) should only be installed when/if recommended by roofing and roof insulation manufacture for the project specific, climate zone, as noted in Par 2.2.1.

72. Section 07 22 00, paragraph 3.3.2.1 requires the installation of either a glass mat gypsum roof board or a perlite board (incompatible with EPDM installation) over the polyisocyanurate.

Roof assembly details in the drawings show a 1/2" rigid insulation cover board over the 6" rigid insulation. From the details, it appears that this cover board is the material mentioned in 07 22 00, paragraph 2.2. Which product should be installed over the polyisocyanurate, glass mat gypsum or the polyisocyanurate cover board? RESPONSE: Please refer to Par 2.2.1 Glass Matt Roof Board should be used.

73. EPDM roof system details on Sheet AE503A (and similar) show a self-adhering underlayment between the 1/2" rigid insulation and the EPDM membrane. This underlayment is not specified in Section 07 53 23. This underlayment is atypical in EPDM assemblies and may not be compatible. Please clarify if this underlayment is needed. If so, please specify a product. RESPONSE: Self-adhering underlayment is not required at EPDM roof system. Revisions will be issued in upcoming amendment.

74. Section 07 61 14.00 20 specifies a snow retention system. This snow-guard system is not shown on the roof plan or in details. Is a snow retention system required? RESPONSE: Yes snow retention system is required. Snow guards are to be laid out per 07 61 14.00 20 STEEL STANDING SEAM ROOFING, paragraph 2.6, item (b.).

75. Per solicitation CLIN Schedule page 4/54 “Option Line Item 0004” – Is for then renovation of Building 332, it states “Option may be exercised at any time after October 2025 but prior to 30 September 2026. Execution of this option after 30 June 2026 will extend the project completion date by 270 Calendar Days.” If Option Line Item 004 is awarded before 30JUN26, the project duration will remain at 760 calendar days. This would result in Building 331 and 332 to be performed in the same time period. If that is the case when renovating Buildings 331 and 332 how will users occupy the addition and Buildings 331 & 332 per section 01 11 00 Summary of work paragraph 1.5 Occupancy of Premises? RESPONSE: Please see revised bid schedule as issued under this amendment.

KO CONTRACTING DIVISION, 26 FEDERAL PLAZA ROOM 16 300

NEW YORK, NY 10278-0004

UNITED STATES

NICHOLAS EMANUEL, EMAIL: NICHOLAS.P.EMANUEL@USACE.ARMY.MIL TELEPHONE: 9177908069

AdminBy:

SCD: PAS:

1. Answer questions from prospective bidders for informational purposes only.

2. Revise and reissue bid schedule

4. REVISED but NOT REISSUED Specs

5. Add Specs

6. Bid Opening Date Remains 29-May-2025 at 2:00 P.M. EST