33330226RT0010015 Amendment 0003.pdf

(x)

33330226RT0010015

x x

1 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 ACKNOWLEDGEMENT 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.

x

OCON

Washington DC 20013-7012 PO Box 37012

MRC 1200

SMITHSONIAN INSTITUTION

10/13/20260003

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

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

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

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

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

09/14/2026

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

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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

ORDER NO. IN ITEM 10A.

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

A. The Solicitation Number cited above, NZP-DC: Construct Arabian Leopard Exhibit, located in Washington, DC, is hereby amended as follows:

A.1. Attached hereto and incorporated into this Amendment No. 3 are the following:

1. SI's responses to RFIs Nos. 53-224; and

2. The revised Bid Schedule dated October 9, 2026.

B. The 100% final documents are currently anticipated to be issued on October 19, 2026.

C. The 2nd site visit is scheduled for Friday, October 23, 2026, at 9 AM.

Continued ...

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

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Thomas Dempsey

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

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

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

2 78

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

33330226RT0010015/0003

The starting point will be Bus Lot Entrance, National Zoological Park, 3001 Connecticut Ave, NW, Washington, DC 20008.

D. Offerors shall acknowledge receipt of all amendments to this solicitation signed and dated and submit with proposal.

E. THE BID DUE DATE IS FRIDAY, NOVEMBER 13, 2026,

AT 3:00 PM EST.

F. Except as provided herein, all other provisions, terms and conditions of the

Solicitation remain unchanged.

END OF AMENDMENT THREE

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110

ITEM 0001 (Rev. 10/09/2026)

Div Description Material Labor Equipment OH & Profit TOTAL 01 General Reqs / General Conditions $ - $ - $ - $ - $ -

02 Existing Conditions $ - $ - $ - $ - $ -

03 Concrete $ - $ - $ - $ - $ -

04 Masonry $ - $ - $ - $ - $ -

05 Metals $ - $ - $ - $ - $ -

06 Wood, Plastics, and Composites $ - $ - $ - $ - $ -

07 Thermal and Moisture Protection $ - $ - $ - $ - $ -

08 Openings $ - $ - $ - $ - $ -

09 Finishes $ - $ - $ - $ - $ -

10 Specialties $ - $ - $ - $ - $ -

11 Equipment $ - $ - $ - $ - $ -

12 Furnishings $ - $ - $ - $ - $ -

13 Special Construction $ - $ - $ - $ - $ -

14 Conveying Systems $ - $ - $ - $ - $ -

21 Fire Suppression $ - $ - $ - $ - $ -

22 Plumbing $ - $ - $ - $ - $ -

23 Heating, Ventilating and Air Conditioning $ - $ - $ - $ - $ -

25 Integrated Automation $ - $ - $ - $ - $ -

26 Electrical $ - $ - $ - $ - $ -

27 Communications $ - $ - $ - $ - $ -

28 Electronic Safety and Security $ - $ - $ - $ - $ -

31 Earthwork $ - $ - $ - $ - $ -

32 Exterior Improvements $ - $ - $ - $ - $ -

33 Utilities $ - $ - $ - $ - $ -

Prepared by: _____________________________________________ Company: ___________________________ Date: ______________

PLEASE DO NOT ALTER THE FORM

TOTAL FIRM FIXED PRICE:

Bid Schedule (Firm Fixed Price) Construct Arabian Leopard Facility (ALF) Construction Services Phase 2 – Habitats & Animal Care Building All work associated with Phase 2 – Habitats & Animal Care Bldg. as described in the 100% Final specifications and drawings.

HAZMAT

SUBTOTAL OF DIRECT COSTS:

Home Office Overhead:

Profit / Fee:

Bonds and Insurance:

Micropile Unit Prices - NOT INCLUDED IN TOTAL FIRM FIXED PRICE Construct Arabian Leopard Facility (ALF) Construction Services Phase 2 – Habitats & Animal Care Building

Item No. Description Unit of Issue Unit Price

31 6333-1 Additional micropile length beyond the contract-required length Linear foot $ _________/ LF

31 6333-2 Deduction for reduced micropile length below the contract-required length Linear foot $ _________/ LF

31 6333-3 Additional sacrificial micropile and load test for compression and tension allowable loads Each $ ____________

31 6333-4 Additional sacrificial micropile and load test for lateral allowable loads Each $ ____________

Prepared by: _________________________________ Company: ______________________________ Date: ______________

PLEASE DO NOT ALTER THE FORM

Reference Phase 2 – Habitats & Animal Care Bldg. 100% Final submission. Unit prices shall be provided for the items listed below in accordance with Specification Section 31 6333 – Micropiles. The unit prices shall be based on pricing assumptions consistent with those used to develop the micropile portion of the Total Firm Fixed Price on Page 1. These unit prices are provided solely for pricing authorized additions or deductions to the base contract work and shall not be added to the Total Firm Fixed Price. Unit prices shall be incorporated into the awarded Contract and applied to authorized changes in accordance with the measurement and payment provisions of Section 31 6333.

RFI

No. Reference / Source Question Response Date In Date Out

RFP, SF 1442

Continuation Sheet (Optional Form 336) Pages 3 & 4 of 139

I know that RFIs are due on 9/30 but considering we only have the 65% design set of documents, will there be another opportunity for RFIs once the 100% bid docs are released in October? Any feedback you can give me on this will be appreciated.

The 100% Final bid documents are forthcoming via an amendment, anticipated to be issued on October 13, 2026 due to 10/12/25 being a federal holiday. A second, two-week period for pre-bid RFIs has been accounted for in the procurement schedule and will take place from 10/12/26 thru 10/23/26.

However, as noted in the SF 1442 request for proposal, Offerors are strongly encouraged to begin preparation of their Technical Proposal in advance of receiving the 100% Final CDs and to submit any administrative or technical pre-bid RFIs sooner rather than later. THE DATE AND TIME ESTABLISHED

FOR SUBMISSION OF BOTH THE TECHNICAL PROPOSAL

AND THE PRICING PROPOSAL ARE FIRM --- NOVEMBER

13, 2026 AT 3:00 PM EST. OFFERORS SHOULD NOT

ANTICIPATE AN EXTENSION OF THE PROPOSAL DUE

DATE.

9/23/2026 9/25/2026

2 EO 14603

Executive Order (EO) 14603 indicates that all federal projects valued at $35 million and above will require a project labor agreement (PLA) unless a federal contracting agency expressly grants an exception. As the expected project value is under this limit, please confirm if a project labor agreement will be required on this project.

PLA is not required. 9/23/2026 9/25/2026

3 NA Please clarify if CAD/Revit files, or the project model can be shared for use in the RFP submission.

Yes, both 2D AutoCAD and the Revit model files will be provided with the forthcoming Addendum that issues the 100% Final dwgs. and specs on 10/13/26.

9/23/2026 9/25/2026

RFP, Section I: FAR

52.236-1 (page 52 of 139)

Please clarify if self performance requirements outlined in 52.236-1 of the Solicitation will be required for the project or if a reduction may be granted.

The self-performance requirement outlined in FAR 52.236-1 will apply to this project. The Contractor shall perform on the site, and with its own organization, work equivalent to at least 12% percent of the total amount of work to be performed under the contract. No reduction to the 12% self performance requirement will be granted.

9/23/2026 9/25/2026

65% Specifications Section 01 3200, Paragraph 1.3.B

Please confirm a cost loaded schedule is required per 1.3.B of specification section 013200.

The cost loaded schedule will be required at the beginning of the project and a "normal" CPM schedule will be deemed acceptable for updates at the COTR's descretion.

9/23/2026 9/25/2026

6 NA

Due to the aggressive period of performance timeframe, and long lead items on many materials and equipment, Saturdays will be needed to maintain the schedule. Please confirm Saturday’s will be made available for construction outside of holidays and special events.

The current project timeline does not include weekend or night work. Special cases can be accomodated upon request and as deemed necessary by the COTR and coordinated with Animal Care Staff.

9/23/2026 9/29/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336) Pages 3 & 4 of 139.

Per the RFP, the deadline for RFI’s is 9/30/26. However, 100% CD’s will not be issued until 10/12/26. Will there be a second round of RFI’s to address any questions with the final bid documents? If so, please outline the timing for round 2 RFI’s.

Please see response to pre-bid RFI no. 1 above. 9/23/2026 9/25/2026

PN 2533105 RENEW ARABIAN LEOPARD FACILITY: PHASE 2 HABITATS & ANIMAL CARE BUILDING

PN 2533105 Construct ALF Phase 2 Technical and Pricing Packages Pre-Bid RFIs 9/29/26 (updated 10/09/26) Page 1 of 32

PN 2533105 RENEW ARABIAN LEOPARD FACILITY: PHASE 2 HABITATS & ANIMAL CARE BUILDING

RFP, SF 1442

Continuation Sheet (Optional Form 336) Pages 3 & 4 of 139.

Per the RFP, the deadline for RFI’s is 9/30/26. However, 100% CD’s will not be issued until 10/12/26. Will there be a second round of RFI’s to address any questions with the final bid documents? If so, please outline the timing for round 2 RFI’s

Duplicate of pre-bid RFI no. 6 9/23/2026 9/25/2026

RFP, Attach. No. 4

FACTOR 2, Section d) Page 104 0f 139

Requirements outlined under FACTOR 2, Section d) of the RFP (Page 104 of 139) notes reference requirements for key Subcontractor packages. Section e) notes resumes needed.

Please clarify if the resumes are for the General Contractor, or for the key Subcontractors.

For each of the eight subcontractors listed in FACTOR 2, paragraph d), provide the name of the company and three referances. Resumes for subcontractors are not required.

In accordance with FACTOR2 paragraph c) provide a resume for each proposed team member for Construction Services.

The Construction Services team is defined at the bottom of page 104 of 139. It consists of a Senior Project Manager, the Superintendent, a Senior Cost Estimator, and a Project Engineer and is hereby ammended to remove the Cost Estimator requirement and include the Site Safety Manager and the Quality Control Manager. Therefore, a total of five resumes are required to be submitted in Tab No. 09 - Resumes of the Technical Proposal.

9/23/2026 9/28/2026

65% Specifications Section 01 1000, Paragraph 1.2.3.b

AND

65% Drawings Sheet S-001

Specification Section 01 1000-2, 1.2, 3, b and notes on S-001 reference a Geotech report dated 3/13/26 as related documents. This document does not appear to have been provided as part of the RFP documents, and is critical to the subsurface pricing, including micropiles, dewatering, etc.

Please provide as quickly as possible.

The Geotech report dated 3/13/26 was provided with Step 1 QSP of this Phase 2 solicitation originally uploaded to SAM.gov on 6/22/2026. A second copy is uploaded with this set of responses for ready reference.

9/23/2026 9/28/2026

11 65% Drawings Sheet S-001, Note 10

Referencing Note 10 on S-001, there appears to be SOE drawings to identity the support of excavation work which has not been provided. This information is critical to pricing for the trade package and is being requested as soon as possible.

Support of Excavation (SOE) drawings will not be provided.

This is to be addressed as means and methods by the contractor.

9/23/2026 9/29/2026

65% Specifications Section 01 1000, Paragraph 1.2.3.b

Specification Section 01 1000-2, 1.2, 3, b notes a series of drawings which have not been provided as part of the current RFP. Please clarify if these documents are relevant to the current bid, and submit accordingly.

With the exception of the Acoustic and Geotech reports, the documents listed in Section 01 1000, Paragraph 1.2.3.b are relevant to Phase 1 - Early Site package only and are not part of the current bid. A conformed set of Phase 1 - Early Site drawings and specs are uploaded with this response FOR

REFERENCE ONLY.

9/23/2026 9/25/2026

13 65% Drawings Sheet G-003CS

Grading plans identified on G-003CS do not appear to address the Phase 1 construction which is not within the current RFP.

Please clarify site conditions and grades which will be turned over to the successful Phase 2 contractor.

All grading will be done by the Phase 2 contractor. The Phase 1 contractor will be responsible for demolition and utility bypass installations. The Phase 1 contractor will backfill their utility installations and they will also backfill the utilities they remove.

9/23/2026 9/29/2026

PN 2533105 Construct ALF Phase 2 Technical and Pricing Packages Pre-Bid RFIs 9/29/26 (updated 10/09/26) Page 2 of 32

PN 2533105 RENEW ARABIAN LEOPARD FACILITY: PHASE 2 HABITATS & ANIMAL CARE BUILDING

14 65% Drawings C-160SP thru C-166UP

Utility plans identified on the Civil documents (C-160SP – C- 166UP) do not appear to address work which may be completed during the Phase 1 construction. Please clarify what work is to be completed in Phase 1, including any temporary systems and tie-ins not included in the current documents.

The Phase 1 contractor is responsible for the utility bypass work for storm, sewer, water, and electric. Work by the Phase 1 contractor will be denoted as such on the Phase 2 100% Final drawings to be issued 10/13/26.

9/23/2026 9/29/2026

15 NA

Perimeter controls including fencing and sediment and erosion control that are to be performed under Phase 1 of the project and turned over to the Phase 2 contractor are not provided in the GC. Please provide plans, and clarify these systems will be turned over to the Phase 2 contractor in functional condition.

The sound wall and security fence will be turned over to the Phase 2 contractor. The rental fence contract will be turned over to the Phase 2 contractor for continuation. The sediment and erosion control will remain in place to be turned over to the Phase 2 contractor, but the controls will need to be modified, as needed. These should be included in general conditions.

9/23/2026 9/29/2026

16 NA

Please verify any turned over work from Phase 1 to the Phase 2 contactor is not under rent. If it is under rent, please clarify all rental costs or provide an allowance for this work.

The chain link fence is under rental and the rental cost for fence should be included in the general conditions. The sound partition was purchased in Phase 1. The Phase 2 contractor shall remove the sound wall at the completion of Phase 2 work.

9/23/2026 9/30/2026

65% Specifications Section 01 1000, Paragraph 1.6.C

AND

Section 01 1000, Paragraph 4.2.E

In Specification Section 01 1000, 1.6., C work hours are listed as 6:00 AM – 3:30 PM. In Specification Section 01 1000 4.2 E, normal work hours are referenced at 6:00 AM-3:00 PM. Given the aggressive schedule of the project, we would request the project is able to work hours per DOB allowable working hours.

Please clarify the work hours on the project.

For clarification, normal work hours will be from 6:00 AM to 3:30 PM. This will be corrected for consistency in the 100% Final Specifications. Unfortunately, we cannot extend the normal work hours to be in alignment with DOB allowable working hours due to restrictions agreed to with adjacent neighborhood organizations. Special cases can be accomodated upon request and as deemed necessary by the COTR and coordinated with Animal Care Staff.

9/23/2026 9/25/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336)

Per page 4 of 139 of the RFP the Small Business Subcontracting Plan is outlined. Please clarify if the Small Business and Small Disadvantaged Business Subcontracting Plan shall be submitted as part of the overall proposal, or submitted by the successful bidder following subcontractor naming.

Please submit the Subcontracting Plan as part of the overall proposal. Submit separate PDF files for the Technical Proposal, Pricing Proposal, and Subcontracting Plan.

9/23/2026 9/25/2026

65% Specifications Section 01 1000, Paragraph 1.7.A.3

Specification section 01 1000 1.7.A.3 notes onsite contractor parking may be arranged in off-season operations. Can timing and costs of this option be shared for bid purposes?

Specification Section 01 1000 1.7.A.3 does not exist in the 65% specifications uploaded to SAM.gov with this solicitation. It also does not exist in the Phase 1 Early Site specifications provided previously with Phase 2 Step 1 QSP process. Further, a word search of those specifications does not find reference to off-season operations. Contractor parking is covered in 01 1000

4.2 Use of Premises Paragraphs C. (2) thru (5).

9/23/2026 9/29/2026

20 NA

The RFP documents do not appear to have a hazardous material report. Please confirm hazardous materials do not exist, or will be addressed in Phase 1 of the project and should be excluded by the Phase 2 Contractor.

To our knowledge hazardous materials do not exist on the site.

If discovered, this will be treated as an unforseen condition. 9/23/2026 9/29/2026

PN 2533105 Construct ALF Phase 2 Technical and Pricing Packages Pre-Bid RFIs 9/29/26 (updated 10/09/26) Page 3 of 32

PN 2533105 RENEW ARABIAN LEOPARD FACILITY: PHASE 2 HABITATS & ANIMAL CARE BUILDING

RFP, Section B.4

Multi-Year Funding Form

(page 9 of 139)

Per B.4 of the solicitation, the FY 27 funding is set to be $4,000,000. As FY 27 is approximately 40% of the period of performance, it is not believed $4,000,000 will accurately fund this portion of work. Please clarify if additional funds will be made available if needed, or what would happen in the event the FY 27 funding is not adequate to fund the project during that timeframe.

Yes, additional funds will be made available in FY27, if needed and applications for payment are validated by the COTR. 9/23/2026 9/28/2026

22 RFP, Attachment 9, Attachment 9 of the Solicitation (page 130/139) includes a Request for Authorization of Additional Classification SF 1444.

Please verify this form is to be utilized post-award and any missing classifications are to be requested via the RFI process.

Yes, that is correct. SF-1444 is used post award and should be requested through the RFI process. 9/23/2026 9/25/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336) Page 4 of 139 AND RFP Section L.26 (page 93 of 139)

Page 4 of the RFP notes the subcontracting plan is a “goal” for the project. Per L.26 (page 93 of 139) the Small Business Subcontracting Plan does not list this as a goal. Please confirm the small business plan is a goal on the project.

The Small Business Subcontracting Goal is a minimum of 40% of the planned subcontracting dollars to be placed with small business concerns.

9/25/2026 9/29/2026

RFP, Section J (page 81 of 139) AND

Attachment 6 (page 110 of 139) AND

Section L.26 (page 93 of 139)

J-List of Documents, Exhibits and Other Attachments (page 81 of 139) Notes documents provided as part of the RFP.

Attachment 6 provided on page 110 of 139 does not provide the form, but references Section L, L.28. We believe this is supposed to be L.26 referenced on page 93 of 139). A form has not been provided in L.26. Please provide the form for submission (if required for the RFP)

No specific form is provided for the Subcontracting Plan. The Plan shall include all information required by FAR 52.219-9 (d), as stated on page 32 of 139 of the solicitation.

9/25/2026 9/29/2026

RFP, Section F:

52.211-S0025 (d)(1)

Referencing 52.211-S0025, (d), (1) (page 17 of 139) schedule acceleration means including night shifts, overtime, Sundays and holidays. Please confirm these times are available for construction.

The current project timeline does not include weekend or night work. Special cases can be accompodated upon request and as deemed necessary by the COTR and coordinated with Animal Care Staff.

9/25/2026 9/29/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336) Page 4 of 139 AND

RFP Section C.1 (page 11 of 139)

Regarding the 578 calendar days for period of performance, Page 4 notes this is from Notice to Proceed to substantial completion, while C.1 (page 11 of 139) notes it is to final completion. Please clarify if the period of performance is to substantial, or final completion.

The period of Performance is through final completion. The term substantial completion will not be used. 9/25/2026 9/29/2026

65% Specifications:

Section 01 3200, Paragraph 2.2.D.5

Specification Section 01 3200, 2.2, D, 5 notes requirements for a cost loaded schedule. Based on the tight schedule timeframe, we would strongly recommend a tradition schedule be utilized be utilized to allow the schedule to be 100% on project scheduling efforts vs. invoicing. We believe a robust schedule of values, with detailed site verification walks will be most effective for the cost verification portion of the project.

Please clarify if the cost loaded schedule requirements may be waived.

The cost loaded schedulle will be required at the beginning of the project and a "normal" CPM schedule will be deemed acceptable for updates at the COTR's descretion.

9/25/2026 9/29/2026

PN 2533105 Construct ALF Phase 2 Technical and Pricing Packages Pre-Bid RFIs 9/29/26 (updated 10/09/26) Page 4 of 32

PN 2533105 RENEW ARABIAN LEOPARD FACILITY: PHASE 2 HABITATS & ANIMAL CARE BUILDING

RFP, Section I: 52.225-

(page 40 of 139) AND 52.225-11 (b)(3) Page

Clause 52.225-11 of the RFP (Page 40 of 139) notes Buy American requirements for the project, but does not appear to be updated to include any exceptions (see (b), (3) on page 43 of 139). Please clarify if the project has Buy American requirements. If this is the case, please verify that the project products outlined in the specifications have been coordinated with Buy American requirements.

Buy American requirement will apply to this project. No exceptions to the applicable Buy American requirements are provided under this solicitation. The contractor is responsible for ensuring that proposed products and materials comply with the applicable Buy American requirement set forth in FAR 52.225-11 and FAR 52.225-12, as included in the solicitation.

Any request for an exception shall be submitted in accordance with the applicable FAR provisions and the requirements of the solicitation.

9/25/2026 9/29/2026

RFP, Section F: 52.211-

S0025 (b)(4)(iii)

Section F, (b), (4), (iii) notes abnormal weather days are determined based on National Oceanic and Atmospheric Administration (NOAA) using the 10 year average.

a. NOAA keeps data based on 30 years (1991-2020) or 15 years (2006-2020). Please clarify which is to be utilized

b. In order to determine this value, clarification on the average rainfall value (1’’, 2,”, 3’’, etc) is required.

c. Please also clarify how the allowance is to be disclosed in the final pursuit for transparency.

According to Clause 52.211-S0025 (c)(4)(iii) on page 16 of the solicitation, the contractor is responsible for substantiating any claim of greater-than-normal inclement weather. The solicitation does not establish a specific rainfall threshold or a separate weather-day allowance.

9/25/2026 9/29/2026

30 65% Specifications Section 01 8113

Per specification section 01 8113 and other portions of the contract documents, this project is seeking certification of LEED certification. Please provide a LEED score card.

It has recently been determined this project does not have a formal LEED certification level requirement. However, waste demolition tracking will be required. The 100% Final Specification 01 8113 to be provided with 10/13/26 submission will be modified accordingly.

9/25/2026 9/29/2026

65% Specifications

Section 01 8113 1.2.A and 15

Please clarify if this project is seeking LEED V4 BD+C per the Table of Contents (TOC-1) of the specifications (see SECTION

01 8113.15 – SUSTANABLE DEISIGN REQUIEMTNDS –

LEED V4 BD+C) , or LEED 2029 per 01 8113, 1.2, A. Please verify the level of certification (Silver, Gold, Platinum, etc.)

Please see response to pre-bid RFI no. 30 above. 9/25/2026 9/29/2026

32 65% Specifications Section 01 8113

Per specification section 01 8113 and other portions of the contract documents, this project may be seeking certification of LEED V4 BD+C. In order to maintain waste management requirements, multiple dumpsters will need to be utilized to maintain waste streams. Please provide a location for multiple dumpsters which is acceptable to Smithsonian.

Please see response to pre-bid RFI no. 30 above. 9/25/2026 9/29/2026

RFP, Section H: 52.236-

S0030 (page 26 of 139)

Referencing the solicitation, Section H, 52.236-S0030 Availability and Use of Utility Services (Page 26 of 183) confirm utility consumption on the project will be by Smithsonian.

Confirmed, utility consumption on the project will be by Smithsonian. 9/25/2026 9/29/2026

PN 2533105 Construct ALF Phase 2 Technical and Pricing Packages Pre-Bid RFIs 9/29/26 (updated 10/09/26) Page 5 of 32

PN 2533105 RENEW ARABIAN LEOPARD FACILITY: PHASE 2 HABITATS & ANIMAL CARE BUILDING

34 NA

As a site logistics plan has not been provided, please verify the access point for the project, include moving of workers, equipment and services, should be from the Bus Lot and across Olmsted Walk. Please clarify if there are any restrictions including scheduling, hours, duration, etc.

Traffic control to be provided per specification section 01 1000 1.6.G. The Phase 2 contractor shall have all deliveries flagged and cross the bus lot into the project entrance along Olmsted walk during non visitor hours. Limited exceptions will be considered upon request and approval by COTR.

9/25/2026 9/29/2026

35 NA

Based on site constraints and accessibility, dumpster locations will need to be provided by Smithsonian to ensure they meet facility and operation requirements. Please clarify if dumpsters are to be placed within the project site, and that pulls across Olmsted will be allowed, or if debris will have to be transported across Olmsted. If the latter, please clarify an offsite location for dumpsters.

Dumpsters to be placed within project site and dump loads to come in or out before or after zoo operating hours. 9/25/2026 9/29/2026

36 NA Please verify rock excavation is not to be presumed on the site.

If so, please provide an allowance to be carried on the project. Rock excavation is not anticipated. 9/25/2026 9/29/2026

37 NA

Please verify dewatering of ground water is not expected on the project. If so, please provide a Geotech report outlining the groundwater conditions so a removal system can be engineered.

No dewatering system is required. The groundwater conditions were provided in the geotech report with the Phase 2, Step 1 QSP documents. A second copy is uploaded with this set of responses for ready reference.

9/25/2026 9/29/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336) Pages 3 & 4 of 139

Please confirm if the RFI deadline will be extended until after the 100% Bid Set issuance scheduled for October as the new document set may incur additional clarifying questions from the market.

Please see response to pre-bid RFI no. 1 above. 9/25/2026 9/28/2026

39 NA

Please provide any CAD files and/or design models that SI has related to this document set for use during the technical proposal preparation. We'd appreciate if this could be sent as soon as possible.

Please see response to pre-bid RFI no. 3 above. 9/25/2026 9/28/2026

40 RFP, Factor 2, Section

h) Page 104 of 139

Please confirm if an employee with the title Project Manager is acceptable as the Senior Project Manager as long as they meet the years of experience and similar project history requirements. (Please note that different companies have different org structures / title structures).

Acceptable as long as the years of experience and project history experience is met. 9/25/2026 9/29/2026

41 RFP, Factor 2, Section

h) Page 104 of 139

Please clarify the intent of the Cost Estimator as part of the Construction Services Team throughout the duration of the project and if this is required or if their full time involvement can be reduced to the GC's discretion.

Per RFI No. 9 the requirement for a separate Cost Estimator has been removed. 9/25/2026 9/29/2026

42 RFP, Factor 2, Section

h) Page 105 of 139

Per the RFP, the Site Safety Manager will manage a Site Safety Team and will directly report to the Senior Project Manager. Please confirm if there is flexibility in the reporting structure as long as all named roles are involved.

Flexibility in reporting structure is confirmed 9/25/2026 9/29/2026

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43 RFP, Factor 2, Section

h) Page 105 of 139

Per the RFP, the Quality Control Manager will manage a quality control team and will directly report to the Office of the Firm.

Please confirm if there is flexibility in the team and reporting structure as long as all named roles are involved.

Flexibility in reporting structure is confirmed 9/25/2026 9/29/2026

RFP, Section B.4

Multi-year Funding Form

(page 9 of 139)

Per the RFP and Multiyear Funding form, only $4M is secured for FY 2027. Please confirm this value is correct. If so, please confirm that the line item "TOTAL FY2027" for all bidders must equal $4M and the remainder of the project costs should be reflected in line item "TOTAL FY2028".

Please also confirm that in turn, the schedule should only include activities in FY2027 that would total up to $4M.

Yes for the purposes of the Pricing Proposal, $4M for FY2027 is correct and the remainder of the project costs should be reflected in the line item "TOTAL FY 2028". However, if needed and applications for payment are validated by the COTR additional funding will be made available in FY2027.

The cost loaded schedule should be developed independent of current funding allotments and reflect what is practical and necessary to meet the period of performance end date of September 2028.

9/25/2026 9/29/2026

45 65% Dwgs, Sheet C-110DP

Ref. C-110DP demolition note #2. Demolition note calls for contractor to conduct a thorough survey before time of bid to locate any additional existing site electric not shown on plan that would need to be rerouted. Please confirm if an allowance should instead be carried by all bidders in lieu of performing surveys and please provide a dollar amount.

Underground electric will be removed in Phase 1. Any underground electric in Phase 2 that needs to be removed will be handled as an unforeseen condition.

9/25/2026 9/29/2026

RFP, Section B.3.1 Base Cost Proposal Submission Form

The bid form states "If there are any assumptions, exclusions or qualifications that affect the firm fixed price, a separate detailed breakdown sheet must be provided"; however, this sheet is not mentioned elsewhere in the proposal guidelines.

Please confirm assumptions, exclusions and qualifications can be submitted as part of the pricing submission and, if so, please provide a template for bidders to use to submit.

Offerors may NOT submit assumptions, exclusions, or qualifications that affect the firm fixed price as part of their pricing submission. The firm fixed price must be all inclusive.

The bid form has been revised accordingly, dated 9/29/2026, and uploaded with this set of responses. Pricing package submissions shall not modify or take exception to the requirements of the solicitation.

9/25/2026 9/29/2026

47 NA

Please provide any schedules related to the adjacent animals' activities, feeding, sleeping, etc.during which construction activities cannot occur.

This will be coordinated with the awarded contractor. 9/25/2026 9/29/2026

48 NA

Please provide any known public events scheduled during the project duration during which construction avtivities cannot occur.

This will be coordinated with the awarded contractor. 9/25/2026 9/29/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336) Page 4 of 139 AND Section I: 52.219-8R

(page 29 of 129)

Please confirm the required SDVOSB subgoal as part of the 40% small business goal as the RFP does not indicate. This was originally indicated as 7% in the Phase 1 documents.

The subcontracting goal is 40% with small business concerns.

No separate SDVOSB subcontracting subgoal is required. 9/25/2026 9/29/2026

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RFP, SF 1442

Continuation Sheet (Optional Form 336) Page 4 of 139 AND Section I: 52.219-8R

(page 30 of 129)

Please confirm if there is a required HUBZone subgoal as part of the 40% small business goal as the RFP does not indicate.

The subcontracting goal is 40% with small business concerns.

No separate HUBZone subcontracting subgoal is required. 9/25/2026 9/29/2026

RFP, SF 1442

Continuation Sheet (Optional Form 336)

The RFP states "Offerors should not anticipate an extension of the proposal due date"; however, it is likely that bidders will be out Wednesday 11/11 for Veteran's Day as well as the latter half of the week. Please consider adjusting the bid date to allow for bids to be prepared and reviewed before submission.

As stated in the RFP, no extension of the proposal due date (Friday, November 13, 2026 at 3:00 pm EST) is anticipated.

Please plan accordingly.

9/25/2026 9/29/2026

52 RFP, Section I: 52.229- S0043 (page 60 of 139)

The RFP states that bidders should include federal, state and local taxes unless the Contractor can obtain a tax exempt certificate. Please confirm if SI will provide tax exemption certificates and if bidders can assume the project is tax exempt for the purposes of this bid.

Offerors shall include applicable Federal, State, and local taxes in their proposed pricing unless the Contractor obtains applicable tax-exempt certificates. In accordance with FAR 52.229-S0043, SI will cooperate with the Contractor in obtaining such certificates.

9/25/2026 9/29/2026

53 NA Please clarify where power and water sources will be located for construction needs (provided by Smithsonian). This will be coordinated with the awarded contractor. 9/29/2026 10/9/2026

54 65% Specifications Section 31 6333

Regarding the micropile work as specified under Section 31 6333, please clarify if the micropile design will need to be submitted, reviewed and approved by DOB, or if Smithsonian’s own AJH will review. If required to be submitted to DOB, please include an allowance for the permit fees.

No. Smithsonian Institution is its own Authority Having Jurisdiction (AHJ). The micropile design will not be submitted to, reviewed by, nor approved by DOB.

9/29/2026 10/9/2026

55 NA A hollow metal door/frame specification has not been provided.

Please issue.

A hollow metal door / frame specification will be provided in the forthcoming 100% Final submission and locations indicated on the door schedule in the drawings.

9/29/2026 10/9/2026

56 65% Drawings Structural Series

Regarding the support of excavation work referenced in the structural drawings, but not specified in the project specifications, please clarify if the design will need to be submitted, reviewed and approved by DOB, or if Smithsonian’s own AJH will review. If required to be submitted to DOB, please include an allowance for the permit fees.

As acknowledged in this pre-bid RFI, Smithsonian Institution is its own Authority Having Jurisdiction (AHJ). Therefore, support of excavation (SOE) work will not be submitted to, reviewed by, nor approved by DOB. NOTE: SOE is to be addressed as means and methods by the contractor.

9/29/2026 10/9/2026

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57 65% Specifications Section 07 3116

The current 65% specifications for Section 07 3116 identify multiple manufacturers for the copper individual metal shingles, including ATAS International, Reinke Shakes, and Zappone Manufacturing. The documents do not appear to identify a single Basis-of-Design product to align with the design intent.

Please confirm whether any of the listed manufacturers may be used for bidding without a substitution request and identify the intended Basis-of-Design manufacturer/product, shingle size and exposure, if applicable. This information is required to obtain accurate manufacturer takeoff, system pricing and warranty requirements.

Further refinement of the Pre-Patinated Copper Shingle Roof Assembly has taken place. The forthcoming 100% Final specifications call out the basis of design for the shingles as Spengler Industries, Size 16, 16oz, 72 degree diamond shingles. Clip and Rail support system shall be delegated design. Alternate Manufacturer is Coppercraft.

9/29/2026 10/9/2026

65% Drawings

Sheet A-503DT AND 65% Specifications

Section 07 3116

Drawing A-503DT identifies the R614 roof assembly as a pre-patinated copper metal shingle roofing system and references

074113.19 Metal Shingle Roofing Panels. The current project

specifications provided for bidding include Section 07 3116 – Metal Shingles. Please confirm which specification section and system requirements are to govern the R614 copper roofing assembly for bidding.

Further refinement of the Pre-Patinated Copper Shingle Roof Assembly has taken place. The forthcoming 100% Final drawings reference the correct specification section 07 3116 Metal Shingles. See response to pre-bid RFI No. 57 for additional information.

9/29/2026 10/9/2026

65% Drawings AND 65% Specifications

Section 07 7253

The roof section details indicate copper snow guards approximately 12 inches from the eave edge as required.

Section 07 7253 lists multiple available snow-guard manufacturers; however, a final manufacturer / product, quantity and layout do not appear to be established.

Please confirm:

1. Required snow-guard manufacturer/product, if designated;

2. Whether one of the listed manufacturers may be selected by the roofing contractor;

3. Whether the roofing contractor should carry a manufacturer-engineered snow-retention layout and attachment system; and

4. Whether final quantity and spacing are to be determined by the selected snow-guard manufacturer based on project design loads and roof conditions.

1. Manufacturer's integrated snow hooks shall be utilized.

Basis of Design, Spengler Industries, includes this.

2. Manufacturer of snow hooks shall match shingle manufacturer.

3. Snow hooks shall be placed at two locations, one roughly half way up and one at the eave (12" from eave). Each strip should be three rows that are staggered. 100% Final Drawings will indicate layout.

4. Quantity and spacing will be provided in the 100% Final drawings. Refer to item 3 response above.

9/29/2026 10/9/2026

60 65% Specifications Section 07 3116

The current documents indicate a pre-patinated dark-brown copper finish for the metal shingles. Please confirm the required finish / color standard and advise whether a specific manufacturer finish, sample or approved color standard is required for bidding. Please also confirm whether associated exposed copper components—including flashing / trim, fascia, soffit, gutters and related sheet metal—are intended to match the metal-shingle roof finish.

The forthcoming 100% Final specifications call for pre-patinated copper verdigris as the required finish for the shingles. All exposed elements shall also be pre-patinated to match.

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65% Drawings Sheets A-432 & A432A

AND

65% Specifications

Section 07 2726

The current architectural documents identify a vapor-permeable fluid-applied membrane air barrier at the A432/A432A exterior wall assemblies. Section 07 2726 also includes requirements for a vapor-retarding fluid-applied membrane air barrier. Please identify the drawings/details and locations where the vapor-retarding system is required and confirm the limits of each air-barrier system to be included in the Division 07 scope.

Vapor-permeable fluid-applied membrane air barrier will be located at the Care Building as noted in the details.

Specification will be updated with the forthcoming 100% Final submission to remove vapor-retarding flue-applied membrane air barrier.

9/29/2026 10/9/2026

65% Specifications Section 01 3250, Paragraph 1.3.J.

Regarding Data Capture requirements per specification section 01 3250, 1.3, J, requirements note the need to laser scan both site and building facilities during post-demo, rough-in open trenches, close-in and project completion. Please confirm the following:

a. Post-demo – Please clarify this is not required as the demo is Phase 1 work, and there’s no useful data following site clearing.

b. As has been done on past Smithsonian projects, please confirm it is acceptable to as-build the sitework via GPS device layout.

c. Please clarify is software capture systems such as OpenSpace (360 Reality Capture Software for Construction | OpenSpace Capture) is acceptable to meet these requirements.

a. Post-demo - laser scan is not required.

b. Confirmed, it is acceptable to as-build the sitework via GPS device layout.

c. No, software capture systems such as OpenSpace is not acceptable to meet Data Capture (Laser Scan) requirements in spec section 013250. Refer to full section for complete deliverable requirements.

9/29/2026 10/9/2026

65% Specifications Section 01 3250, Paragraph 3.5

Specification section 013250, 3.5 notes the need to include “equipment and furnishings” in the BIM model. This level is outside the typical LOD 350. Please clarify what specific equipment and furnishings should be included in the model.

Please confirm these elements will exist in the model provided by the design team.

Equipment and Furnishing are not required as part of the As- Built Model(s) 9/29/2026 10/9/2026

65% Specifications Section 01 3250, Paragraph 1.1.E.

Specification section 013250, 1.1, E references the Smithsonian BIM execution plan, but does not provide the document. Please provide the document as part of the bid/contract package.

The current BIM Execution Plan document is uploaded with this set of pre-bid RFI responses. 9/29/2026 10/9/2026

65 65% Specifications The 65% Specifications do not appear to include a structural steel specification. Please provide.

The forthcoming 100% Final specifications include specification section 05 1200 Structural Steel Framing. 9/29/2026 10/9/2026

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66 Architect-Engineering Information Center

In reviewing Smithsonian’s Architect-Engineering Information Center (Architect-Engineer Information Center | Planning, Design, & Construction) one can find the Smithsonian’s BIM Project Execution Plan (PxP). Page 9 of 30 notes the need for Asset Management, 4D modeling, and 5D cost estimating in both the “Construct” and “Operate” columns. These requirements are not outlined in the specifications. Please clarify there are no asset management, 4D or 5D construction BIM requirements as they have not been included in the project specifications.

Confirmed, 4D or 5D construction BIM requirements are not required. Asset Management is required. Refer to 2.4 of specification section 01 3250 and paragraph 2.8 of spec section 01 7823.

9/29/2026 10/9/2026

67 Architect-Engineering Information Center

In reviewing Smithsonian’s Architect-Engineering Information Center ( Architect-Engineer Information Center | Planning, Design, & Construction ) one can find the Smithsonian’s BIM Project Execution Plan (PxP). Page 18 of 30 of this plan calls for the Fire Protection subcontractor to utilize MEP CAD AutoSprink. Please verify it is acceptable to utilize other software’s provided the contractor is able to provide full coordination and turn over a fully accessible model.

Alternate fire protection modeling software may be utilized.

Refer to paragraph 1.3.D of specification section 01 3250. It must meet the BIM requirements of the Contract Documents, supports full coordination with the project BIM model and other trades, and allows delivery of the required final model in a fully accessible and compatible format. Use of alternate software shall not relieve the Contractor or Fire Protection Subcontractor of responsibility for BIM coordination, clash detection, or compliance with the Contract Documents. Any costs associated with software compatibility, file conversion, or coordination shall be the Contractor's responsibility.

9/29/2026 10/9/2026

65% Specifications Section 26 3650, Paragraph 2.2.N

Spec Section 26 36 50, Paragraph 2.2.N includes a large list of accessories including, but not limited to, auto-start, battery charger receptacle, block heater receptacle, strip heater, surge protection device, utility light, load dump receptacle, and Kirk key interlock. Please confirm which accessories are required for this project and identify any items that may be omitted due to enclosure space limitations within the Trystar docking station.

Yes, all these features are required with the docking station. 9/29/2026 10/9/2026

65% Specifications Section 26 3213, Paragraph 1.7.A.1.

Spec Section 26 32 13, Paragraph 1.7.A: The generator warranty period is blank. Please confirm the required warranty period.

These selections will be clarified in the forthcoming 100% Final specifications. Five (5) years will be required. 9/29/2026 10/9/2026

65% Specifications Section 26 3213, Paragraph 2.3.A.

The drawings identify the proposed unit as a 200kW Natural Gas Generator; however, Section 26 32 13, Paragraph 2.3.A references "Natural Gas with automatic LP-Gas standby / Natural Gas”. Please confirm whether the generator shall be Natural Gas only or dual-fuel Natural Gas / LP.

These selections will be clarified in the forthcoming 100% Final specifications. Natural Gas is the only fuel source. 9/29/2026 10/9/2026

65% Specifications Section 26 3213, Paragraph 2.3.I.

Spec section 26 32 13, Paragraph 2.3.I appears unfinished and contains selectable specification language. Please clarify the intended project requirements

These selections will be clarified in the 100% Final specification.. 9/29/2026 10/9/2026

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65% Specifications Section 26 3213, Paragraph 2.3.A.

Section 26 32 13, Paragraph 2.7 specifies a permanent outdoor load bank; however, the drawings indicate a 100kW integrated top-mounted load bank on the 200kW generator enclosure. Please confirm that a 1.0 power factor load bank is acceptable, as this is the standard configuration available for top-mounted load banks.

1.0 PF Resistive load bank is acceptable and will be clarified in the forthcoming 100% Final specifications. 9/29/2026 10/9/2026

65% Specifications Section 26 3213, Paragraph 2.7.G.

Spec Section 26 32 13, Paragraph 2.7.G references load bank louvers. Integrated top-mounted load banks are self-contained and do not require separate louvers. Please confirm that separate louvers are not required.

Separate louvers should not be required as long as the integrated load bank have required rain ingress protection. 9/29/2026 10/9/2026

65% Specifications Section 26 3213, Paragraph 2.8.A.

Spec Section 26 32 13, Paragraph 2.8.A specifies a walk-in enclosure. Based on the indicated 200kW generator size and site layout, a walk-in enclosure does not appear applicable.

Please confirm that a standard skintight enclosure is acceptable.

Skintight enclosure is acceptable and will be clarified in the forthcoming 100% Final specifications. 9/29/2026 10/9/2026

65% Specifications Section 26 3213, Paragraph 2.8.A.

Spec…