33330223RF0010026 Amendment 0003.pdf

(x)

33330223RF0010026

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

200311207/13/20230003

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

06/05/2023

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.

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 Contracting Officer)(Signature of person authorized to sign)

Willard B. Powell

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

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

A. The Solicitation Number cited above, to replace ACU's for Collections Storage on 4th and 5th at the Smithsonian Institution's National Museum of American History, located in Washington, DC, is hereby amended as follows:

A.1. Attached hereto and made part of this Amendment Three are the following:

SI Responses to RFI's for Questions Number 27-74.

Addendum No. 2 Mechanical

Addendum No. 2 Narrative

A.2. Offerors shall acknowledge receipt of all amendments to this solicitation signed and dated and submit with proposal.

Continued ...

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

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (C) (D)

33330223RF0010026/0003

B. THE BID DUE DATE IS JULY 20, 2023, AT 3:00PM

EST.

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

July 12, 2023 QUESTION # DATE RECEIVED REFERENCE DOCUMENT QUESTION DATE RESPONDED A/E RESPONSE RESPONSE BY

1 20-Jun-23 DRAWING ED-101

1. Question: Detail 1/ED-101 references removal notes 1, 2, 3 and 4; however, there is only one (1) Note listed at the bottom of the page. Please provide the removal notes.

30-Jun-23

Notes were accidentally cut off sheet when floor plans were combined, they will be shown on an Addend or or Conform set. Removal notes should read: i) Contractor shall trace and verify all existing-to-be removed circuits source serving the air handler units prior to any work. ii) Completely remove 120V power, Lighting serving air handling unit to be removed. iii) Completely remove existing air handling unit feeder back to paneled. iv) Remove existing fire alarm duct mounted smoke detectors and fire smoke relays (FSR) to allow for mechanical air handling unit and ductwork replacement. Safe-off fire alarm circuits at nearest J-Box for re-connection to new air handling unit. See new work electrical drawings for new duct mounted smoke detectors and FSR locations and quantities.

2 20-Jun-23 RFP

2. Question: RFP Part III – Plan of Accomplishment and Contract Time, section a.- 4)-E, requires a written narrative addressing the “Procurement and installation of precast concrete panels.” There does not appear to be any work related to precast concrete panels included in the Contract Documents. Please confirm that this shall read the “Procurement and installation of mechanical equipment”.

26-Jun-23 We can confirm there is no precast concrete work required for the project.

3 20-Jun-23 RFP

3. Question: RFP Part III – Plan of Accomplishment and Contract Time, section b. - Implementation Plan requests a detailed plan that will deliver a superior quality product in the “Doors, Frames and Hardware” work. There does not appear to be any work related to doors, frames and Hardware included in the Contract Documents. Please confirm that this portion of the Implementation Plan is not applicable and should not be included.

26-Jun-23 We can confirm that no permanent changes to doors frames and hardware are described in the contract documents.

4 20-Jun-23 RFP

4. Question: RFP Part III – Plan of Accomplishment and Contract Time, section b. - Implementation Plan requests a detailed plan that will deliver a superior quality product in the “Security” work. There does not appear to be any work related to permanent security system modifications included in the Contract Documents.

Please clarify the intent of this portion of the implementation plan.

26-Jun-23 We can confirm that no permanent changes to the security system are intended.

5 20-Jun-23 RFP

5. Question: RFP Part IV – Comparable Experience requests comparable projects “completed or in progress during the past five (4) years.” Please clarify if comparable projects shall be from the past four or five years.

26-Jun-23 We would recommend that SI require references and qualifications for all subcontractors. Comparable Experience requests comparable projects “completed or in progress during the past five (5) years.”

PRE-BID RFI NMAH REPLACE ACUS FOR COLLECTION STORAGE ON 4TH AND 5TH FLOORS

PROJECT NUMBER 2003112

6 20-Jun-23 RFP

6. Question: Please clarify which subcontractors shall be listed as “Key Subcontractors” and need references provided. RFP Part V section B lists “Doors, Frames and Hardware,” “Security,” and “Commissioning” as three subcontractors that should be included as Key Subcontractors. There does not appear to be any scope in the project for Doors, Frames and Hardware or Security. Additionally, according to specification 019113, Commissioning Consultant will be procured directly by Smithsonian and would not be a Subcontractor to the Contractor. Also in Part I of the RFP, bullet point 11 indicates that Mechanical and Electrical Subcontractors are key subcontractors but they are not listed in Part V section B.

26-Jun-23 Remove the following subcontractors from Part V Section B. Doors Frames and Hardware, Security and Commissioning. Add Mechanical Systems. Commissioning consultant will be contracted by Smithsonian.

7 20-Jun-23 DRAWING A-104

7. Question: A-104 notes to replace drywall and acoustic ceilings in some areas.

Please provide an RCP showing the existing ceiling types.

26-Jun-23

The ceiling system below the proposed piping crossing the corridors is 2x4’ system with standard lay in tile. Contractor to assume replacement of all tiles in the work zone indicated on A104. Contractor to remove and stockpile tile and make efforts to re use tile and grid elements. All fire alarm, lighting, sprinkler, and other ceiling mounted systems is to remain operational and in place. Contractor to replace tiles at devices that are mounted through tile. These notes can be added in an addendum or conform set for the record

8 20-Jun-23 DRAWINGS

8. Question: The mechanical drawings show different colored ductwork. Please provide a schedule showing what the colors differentiate.

26-Jun-23 The colors are for reference only, they do not indicate new versus existing scope. Different colors represent different air handling units.

9 20-Jun-23 DRAWING M-403HP

9. Question: Detail 3/M-403HP shows a “new access platform for filter” but no details are shown for the platform. Please provide a detail showing design of the platform including materials, connections to structure, dimensions, etc.

26-Jun-23

Re new access platform for filter. Detail 3/M-403 will requires a new access platform (5’x5’) constructed of heavy duty galvanized open grating. The platform shall be 10’ above the mechanical room floor.

Provide ladder with welded construction for access to platform from the floor. Provide railings at all platform edges. Platform shall be located to provide service access to filter. Platform will be added to plans in an addendum or conform set for the record. GC to submit construction details to architect for approval. The details and engineering of the platform shall be provided by a qualified miscellaneous metal contractor

10 26-Jun-23 RFP

10a. Question: RFP Part I Section E notes that the Completed Statement should contain no more than 50 pages 8.5x11. Section A of the same part notes that information should be compiled into 13 tabs. In regard to these requirements, please advise the following: a) Can audited financial statements be included as attachments that do not count toward the page limit?

30-Jun-23 Yes

11 26-Jun-23 RFP

10b. Question: RFP Part I Section E notes that the Completed Statement should contain no more than 50 pages 8.5x11. Section A of the same part notes that information should be compiled into 13 tabs. In regard to these requirements, please advise the following: b) Can a Milestone CPM Schedule be provided under Tab 5 with the full schedule provided in 11x17 format as an attachment that does not count against the page limit?

30-Jun-23 Submission is electronic therefore the page size should be formatted as such. Yes the full schedule can be submitted as an attachment.

12 26-Jun-23 RFP

10c. Question: RFP Part I Section E notes that the Completed Statement should contain no more than 50 pages 8.5x11. Section A of the same part notes that information should be compiled into 13 tabs. In regard to these requirements, please advise the following: c) Do tabs count as pages and if so can the requested information be included on the tabs if the information requested can be conveyed in less than one page?

30-Jun-23 Tabs do not count as pages.

13 26-Jun-23 RFP

10d. Question: RFP Part I Section E notes that the Completed Statement should contain no more than 50 pages 8.5x11. Section A of the same part notes that information should be compiled into 13 tabs. In regard to these requirements, please advise the following: d) Per Section I of the RFP, photographs of comparable projects are desirable but not required. Please advise if photographs of comparable projects can be provided as attachments that do not count towards the page limit.

30-Jun-23 Photos cannot be submitted as an attachment. Photos are included in the page count.

14 26-Jun-23 RFP

11. Question: Should the Small Business Subcontracting Plan be included in the cost or technical proposal? If technical, please advise which tab and if it can be included as an attachment that does not count toward the page count.

30-Jun-23 Subcontracting Plan – This can be included in the Technical Proposal as an attachment and will not count toward the page limit. This can be placed in Tab 8. Offerors must include information requested in Part V, Section B of the RFP and FAR Clauses 52.219-S0097 and 52.219-9 Small Business Subcontracting Plan.

15 26-Jun-23 RFP

12. Question: Does the Smithsonian require that the AIA A-305 form be submitted with the Offeror's proposal for this Solicitation? If so, please advise if it should be part of the Cost or Technical proposal. If the Technical, please confirm it can be included as an attachment that does not count against the page limit.

30-Jun-23 AIA A-305 is not required.

16 26-Jun-23 RFP

13. Question: Should Offeror's Background be submitted under Tab 1 as indicated in Part I, section A-1-A of the RFP or should it be included in Tab 2 as indicated in Part II of the RFP?

30-Jun-23 The appropriate information should be completed for both. Information requested in Tab 3 and 4 should be included in the Technical Proposal. Information requested in Section K should be included in the Cost Proposal.

17 26-Jun-23 RFP

14. Question: Information requested in Tabs 3 & 4 of the technical proposal in the RFP appears to be the same information requested to be included in the cost proposal as “Section K” Please confirm that the information should be included in both the cost and technical proposals

30-Jun-23 Please provide page numbers in the RFP where this duplication occurs.

18 26-Jun-23 DRAWING A-105

15. Question: Per Drawing A-105, staging areas for rigging AHU components to the roof is provided on the south side of the penthouse equipment yard. Please provide a drawing showing the extent of existing below grade construction on the south side of the building that is beyond the main façade.

30-Jun-23

The staging of the AHUs in on the roof of the 5th floor for the new AHUs to be installed on the Penthouse Mech Rooms. PENTHOUSE LOGISTICS PLAN drawing A-105 LP is corresponds with the 5th floor roof plan and Penthouse Mech Rooms. Attached is revised drawing A-105 LP clarifying the staging areas. The crane for rigging the AHUs is on the driveway of Constitution Avenue on the north end of the Museum.

19 26-Jun-23 DRAWING A-5

16. Question: Please advise if it is permissible to set-up a crane on the north side of the building in the horseshoe drive in order to hoist material and equipment to the roof.

30-Jun-23 Yes, set-up of the Crane is on the driveway in from to the NMAH north façade.

20 26-Jun-23 SPEC 237323

17a. Question: Section 237323, Para. 2.1.5 states, "Factory testing shall include sound and air leakage testing to the requirements specified in this Section." a) No further requirements are outlined in the section. Please confirm that factory sound and air leakage testing is not required or provide testing requirements and acceptance criteria. Note that each of the units are required to ship knocked down into individual pieces/components in order to transport them to the spaces.

Factory testing of knocked down units is highly uncommon and very expensive.

30-Jun-23

Sound testing is not required. Manufacturer shall submit calculated sound levels in the eight octave bands for transmission through casing walls and sound power levels at the inlet and discharge opening.

The unit manufacturer shall provide a factory deflection test on either AHU-PW-19 or AHU-PE-20.

Casing panel deflection shall not exceed L/240 at +/- 10” w.g. ‘L’ is defined as the maximum span length and L/X is the deflection at the panel midpoint.

The unit manufacturer shall provide a factory leak test on either AHU-PW-19 or AHU-PE-20 across the cabinet exterior walls. Casing leakage shall not exceed 0.5% of the design CFM at +/- 10” w.g. Sections that will be negative pressure shall be tested under negative pressure and section that will be positive pressure shall be tested under positive pressure.

21 26-Jun-23 SPEC 237323

17b. Question: Section 237323, Para. 2.1.5 states, "Factory testing shall include sound and air leakage testing to the requirements specified in this Section." b) If factory testing of the air handling units is required, will it be witnessed by representatives of the Owner? If so, how many? Is the air handling unit manufacturer expected to include travel and expenses for the witness(es)?

30-Jun-23

Yes, factory testing of the air handling units is required and shall be witnessed by the Smithsonian representatives. Certified factory representative shall perform the following field inspection:

- Witness and record the functional performance testing of the air handling unit at a time and date to be determined by the contractor.

- Check installed unit casing for leakage during testing.

- Check rotation and balance of fan wheel.

- Prepare a written report on findings and recommended corrective actions.

22 26-Jun-23 Spec 237323

17c. Question: Section 237323, Para. 2.1.5 states, "Factory testing shall include sound and air leakage testing to the requirements specified in this Section." c) Is the air handling unit manufacturer required to leakage test the units in the field?

If so, please provide testing requirements and acceptance criteria.

30-Jun-23 Field leakage testing is not required. Where air leakage is evident during field inspection, connections shall be corrected using factory recommended methods to resolve leakage.

23 20-Jun-23 RFP

1. Question: Page 4 of the RFP, part A.1.A shows the Offeror’s Background as part of Tab no. 1. Page 7 shows this as Tab no. 2.

Page 7 should show Tab 1.

24 20-Jun-23 RFP

2. Question: Please confirm which tab should include Part II section J (List of Officers, Partners, and/or Owners).

Submit under Tab 1.

25 20-Jun-23 RFP

3. Question: Is there a worksheet for Tab 3- Suspension or Debarment, or is it Section K under Part II- Offeror’s Background (which states “Submit under Tab 4”)?

There is no worksheet. If the response is YES to section K, the details would be submitted under TAB 3.

If the response is no, there will be no submission for TAB 3.

26 20-Jun-23 RFP 4. Question: Please confirm that Safety/EMR is Part V or VI, not IV. Safety/EMR should be part V.

27 06-Jul-23 RFP Pg 4

On page 4 of the RFP, Offeror's Background is listed as Tab No. 1, along with Minimum Requirements. On page 7, it says to submit Offeror's Background under Tab 2. Please clarify which tab we are to submit the Offeror's Background section under. 11-Jul-23

Tab No. 1

28 6-Jul-23 RFP Pg 4

On page 4 of the RFP, Offeror's Background is listed as Tab No. 1, along with Minimum Requirements. On page 7, it says to submit Offeror's Background under Tab 2. Please clarify which tab we are to submit the Offeror's Background section under.

11-Jul-23

See above.

29 6-Jul-23 RFP Pg 13

Page 13 of the RFP references how comparable experience will be assessed, rather than non-comparable experience. Please clarify how non-comparable experience will be assessed.

11-Jul-23

Comparable Experience matches exactly to the full scope of the project in terms of dollar and size. Non- Comparable Experience are projects that may be different in terms of scale and size. Firm may not have been the lead or include non-federal government projects. Non-Comparable Experiences are projects that do not meet the minimum standard. However, it might show a different aspect such as the proposed team having worked together or good examples of work that might apply to the project.

30 6-Jul-23 Amendment 2

Question number 5, included in Amendment 2, asks about the acceptable timeframe for comparable projects. The A/E response recommends "that SI require references and qualifications for all subcontractors." Please confirm that we are not required to submit comparable experience projects for subcontractors.

11-Jul-23

Confirmed

31 6-Jul-23 Amendment 2

The response to Question 12, included in Amendment 2, clarifies that tabs are excluded from the 50 page limit for the technical volume. Please confirm if the cover, table of contents, title page, cover letter, and back cover are also excluded from the page count. 11-Jul-23

Confirmed

32 6-Jul-23 Amendment 2

The response to Question 11, included in Amendment 2, is not clear about whether or not 11x17 sheets can be used for the Summary CPM Project Schedule.

Please confirm if 11x17 sheets can be used for the Schedule pages and for the Organizational Chart requested on page 14 of the RFP. 11-Jul-23

Confirmed 11x17 only for the Organizational Chart and the CPM schedule.

33 6-Jul-23 Amendment 2

Question number 6, included in Amendment 2, indicates that we are to remove Doors, Frames and Hardware; Security; and Commissioning from the list of trades included under the Subcontracting Plan section on page 14 of the RFP. Please confirm if we are to remove those trades from the list under the Implementation Plan section on page 10 as well.

11-Jul-23

The Subcontracting Plan shall EXCLUDE: Doors, Frames and Hardware, Commisionning and Security.

The Implementation Plan shall INCLUDE: Commissioning.

34 6-Jul-23 Amendment 2

Question number 6, included in Amendment 2, indicates that we are to add the mechanical systems trade to the list of trades included under the Subcontracting Plan section on page 14 of the RFP. Please confirm that we are to add mechanical systems to the list of trades under the Implementation Plan section on page 10 as well. 11-Jul-23

Confrimed

35 6-Jul-23 RFP Pg 14

On page 14 of the RFP under Part V - A, we are required to submit the following with the employment profile for the company: total employees, total permanent employees, total professionals in each major category, and "brief resumes of these individuals." Please confirm that we are to submit resumes for key personnel only and not for every employee in the company.

11-Jul-23

Confrimed

36 6-Jul-23 Spec 01000

Will space be available for temporary office space or will a office trailer to house personnel be required?

11-Jul-23

SI to comment. No trailers anticipated.

37 6-Jul-23 Spec 01000 Please provide a site drawing showing the proposed location(s) of office trailer, staging area and other temporary facilities. 11-Jul-23

SI to comment. No trailers anticipated.

38 6-Jul-23 P001CS

Page P 001 CS Plumbing General Note 13 states the contractor shall be responsible for installing a complete and approved potable water service (and fire service) from street main to the building. The project documents do not show a new water service coming from the main in the street. Please clarify. 11-Jul-23

Note 13 will be deleted. New water service is not required.

39 6-Jul-23 P001CS

Page P 001 CS Plumbing General Note 14 states plumbing contractor shall be responsible for installing a complete and approved gas service from the street main to the building. The project documents do not show a new gas service coming from the main in the street. Please clarify. 11-Jul-23

Note 14 will be deleted. New gas service is not required.

40 6-Jul-23 P001CS

Page P 001 CS Plumbing General Note 15 states the plumbing contractor shall be responsible for installing a complete and approved sewer system from building to street main. The project documents do not show a new sanitary sewer line coming from the main in the street. Please clarify.

11-Jul-23

Note 15 will be deleted. New sanitrary sewer service is not required.

41 6-Jul-23 RFP / Pg 14

Page 14 of the RFP under Part V - A requests that we submit resumes for key personnel. Please confirm which specific roles (project executive, project manager, safety coordinator, etc.) we are to provide resumes for.

11-Jul-23

Provide resumes as stated in the solicitation.

42 6-Jul-23 RFP / Pg 14

Can the key personnel resumes requested on page 14 of the RFP be included as attachments that do not count towards the page limit?

11-Jul-23

The key personnel IS part of the count towards the page limit.

43 7/6/23 RFP / Pg 43

Page 43 of the specifications state that we are to designate a safety coordinator.

Please confirm if this person can have other responsibilities in addition to their role as Safety Coordinator.

11-Jul-23

Confirmed.

44 7/6/23 Spec 01000

Please confirm that utility usage costs will be with the owner or the contractor for this project.

11-Jul-23

Utility usage costs is the Owner's responability.

45 7/6/23 Spec 01000

Will parking spaces be available for contractor personnel and if so, how many spaces will be provided for contractor use?

11-Jul-23

Smithsonian will NOT provide parking.

46 7/6/23 Contract Time for Completion

1. Question: Per Specification Section 010000 – Paragraph 3.1 the project duration is 570 calendar days with the following assumption “The assumption above includes 150-day preconstruction period for the procurement of long lead items, followed by 420-day construction period.” With the current lead times on equipment this 150-day preconstruction period is not sufficient for the submission, approval, and fabrication of the AHU’s. What will be the procedure for any additional time that may be required that exceeds the 150-day preconstruction period?

11-Jul-23 SI Response Answer: The contract total project duration is 570 calendar days and is comprised of both.

The awarded GC may request an extension if needed.

47 7/6/23 Reference: CQC Specialized

Supplemental Personnel

2. Question: Per Specification Section 010000 – Paragraph 21.5.4 the contractor shall provide supplemental CQC personnel for the mechanical and electrical work.

Can these supplemental personnel be employees of the subcontractor performing this work?

11-Jul-23 SI Response Answer: Yes, CQC personnel must submit their credentials for approval by COTR

48 7/6/23 Reference: Temporary Field Office

3. Question: Per Specification Section 010000 – Paragraph 21.5.4 the contractor shall provide supplemental CQC personnel for the mechanical and electrical work.

Can these supplemental personnel be employees of the subcontractor performing this work?

11-Jul-23 SI Response Answer: Contractors will not be provided office space within NMAH. Contractor must submit proposed office trailer and location for review and approval as part of staging plan.

49 7/6/23 Reference: Progress Photographs

4. Question: Per Specification Section 46.1 the contractor shall provide a commercial photographer, acceptable to the Smithsonian to take the progress photographs. Can the project superintendent or CQC Manager take the progress photographs?

11-Jul-23 SI Response Answer: Yes, project superintendent or CQC Manager can take and provide progress photographs. Commercial photographer is not required.

50 7/6/23 Reference: As-Built Record Drawings

5. Question: Per Specification Section 01000 – Paragraph 64.5.2.e the project Record Drawings shall be submitted in both PDF and DWG formats. Will the awarded GC be provided with AutoCAD Files for this project to prepare the

Record Drawings?

11-Jul-23 SI Response Answer: Yes, available upon request

51 7/6/23 Reference: BIM Requirements

6. Question: Per Specification Section 013250 – Paragraph 1.1.D lists the information that was developed by the Architect/Engineers that “may be” available to the contractor. Will the awarded CG be provided with this information, or will they be required to perform site scans to prepare the BIM drawings?

11-Jul-23 SI Response - - AE Record of Design Revit has been made available to SI. Answer : Available BIM files will be provided upon request.

52 7/6/23 Reference: Temporary AHU’s

7. Question: Per Specification Section 01000 – Paragraph 2.3 and 2.3. Paragraph

2.3 states that the awarded Gc is to purchase the temporary AHU’s and turned over to SI at completion of this project. Paragraph 2.4 calls out rented or purchased temporary AHU’s. Are the temporary AHU’s to be purchased or rented for this project?

11-Jul-23

Answer: Altieri: The temporary roof-mounted air handling units for existing AC-2 & AC-3 in the Penthouse are intended to be rented by the Contractor. The temporary fan coil units for existing air handling units to be replaced in the Level 4 mechanical rooms are intended to be purchased by the Contractor and turned over to SI when they are removed from temporary use. Answer SI:Purchased AHU’s for temporary use must be turned over. Rental AHU’s may be used in lieu of purchased.

53 7/6/23 Reference: Drawing E-001CS, Short Circuit Selective Coordination & Arc

Flash Studies

8. Question: On Drawing E-001CS it shows a list of Notes for Short Circuit Selective Coordination & Arc Flash Studies. Please clarify, where do these notes apply?

11-Jul-23

Answer: Altieri: Refer to Project specification section 260000 – 1.16, contractor is responsible for providing complete short circuit, breaker selective coordination and arc flash studies for all new electrical work including new panels and branch feeders to new and existing equipment including VFD’s and disconnect switches.

54 7/6/23 Reference: Drawing E-102PP Mechanical Room 4000M4, Bid Form Deduct Alternat

9. Question: Please clarify, is AHU-4E-17 as shown on Drawing E-102PP the same as AHU-C7-17 listed on the Bid Form as a Deduct Alternate/Option?

11-Jul-23 Answer: Altieri: Nomenclature is incorrect. The unit is the same

55 7/6/23 Reference: Drawing E-102PP

Mechanical Room 4000M4, Bid Form Deduct Alternate

10. Question: Please clarify, is all the work shown in Mechanical Room 4000M4 to be included as part of the Deduct Alternate/Option pricing?

11-Jul-23 Answer: Altieri: Yes. The electrical work associated with AHU-C7-17 should be included in the deduct alternate.

56 7/6/23 Reference: Drawing E-103PP, Temp

P1, Note 1

11. Question: Drawing E-103PP shows what appears to be a Electrical Panelboard labeled TEMP P1. It also has See Note 1. Note 1 is not provided. Please clarify, what is TEM P1?

11-Jul-23

Answer: Altieri: Temp P1 and Temp P2 panels are not required and reference to these panels will be deleted.

57 7/6/23 Reference: Drawing E-104PP, Temp

P2, Note 1

12. Question: Drawing E-104PP shows providing a Temporary Panelboard to feed temporary spot cooler loads. Please clarify if this part of this Scope of Work and if so please provide additional information on these spot coolers?

11-Jul-23

Answer: Altieri: Temp P1 and Temp P2 panels and spot coolers are not required. References to Temp P1 and Temp P2 panels and spot coolers will be deleted.

58 7/6/23 Reference: Drawing ED101DP, Detail

1, Notes 1/2/3/4

13. Question: On plan drawing ED101DP Detail 1 it show equipment with See Notes 1 thru 4. No notes are provided. Please provide Drawing Notes for Detail 1 on Drawing ED101DP?

11-Jul-23

Answer: Altieri: Refer to note below that drafting software did not plot. 1) Contractor shall trace and verify all existing-to-be-removed circuits source serving the air handler units prior to any work.

2) Completely remove 120V power and lighting serving air handling unit to be removed. 3) Completely remove existing air handling unit feeder back to panel. 4)Remove existing fire alarm duct mounted smoke detectors and fire smoke relays (FSR) to allow for mechanical air handling unit and ductwork replacement. Safe-off fire alarm circuits at nearest j-box for re-connection to new air handling unit. See new work electrical drawings for new duct mounted smoke detectors and FSR locations and quantities.

59 7/6/23 Reference: Drawings

ED102DP/ED103DP/ED104DP,

Drawing Notes

14. Question: Drawings ED102DP/ED103DP/ED104DP all show See Notes. No drawing notes are provided. Please provide Drawing Notes for drawings listed?

11-Jul-23

Answer: Al�eri: Please see below note that dra�ing so�ware did not plot. 1) Contractor shall trace and verify all existing-to-be-removed circuits source serving the air handler units prior to any work. 2)

Completely remove 120V power and lighting serving air handling unit to be removed. 3) Completely remove existing air handling unit feeder back to panel. 4)Remove existing fire alarm duct mounted smoke detectors and fire smoke relays (FSR) to allow for mechanical air handling unit and ductwork replacement. Safe-off fire alarm circuits at nearest j-box for re-connection to new air handling unit. See new work electrical drawings for new duct mounted smoke detectors and FSR locations and quantities

60 7/6/23 Reference: Drawing E-604DG Fixture

Schedule, New Circuit Breakers

15. Question: In the remark section of the Panel Schedules, it appears some of the comments are cut off. Please clarify which circuit breakers are new and to be added?

11-Jul-23

Answer: Altieri: Refer to floor plans that indicate new circuits and new breakers to be added to existing panels and is indicated on drawing E-604DG with additional remarks under the remarks column that indicate to “Provide new breaker” or “use existing spare”. Branch circuit feeder size shall be per table on drawing E-600DG based on panel indicated circuit breaker trip rating.

61 7/6/23 Drawing E-604DG Fixture Schedule, New Circuit Breakers

16. Question: For the panels that are to have new circuit breakers provided please provide the manufacture, AIC Rating, and the circuit breaker type?

11-Jul-23 Answer: Alteiri: New circuit breakers shall match existing panel breaker type and rating. Typical for all new breakers. (See E-604DG as indicated on panel schedule EX.4D note #1). Branch circuit feeder size shall be per table on drawing E-600DG based on panel indicated circuit breaker trip rating.

62 7/6/23

Reference: Solicitation, Page 5, Minimum Requirements “A minimum of three (3) projects, completion or ongoing construction of three (3) comparable projects within the past five (5) years.”

17. Question: Can offerors provide experience that was performed under a Joint Venture?

11-Jul-23 Answer: SI Response Answer: Experience performed under a Joint Venture should be clearly identified as such

63 7/6/23 Reference: Solicitation Page 14, Part

IV – Safety/EMR

18. Question: a. Can you clarify how recent the EMR is required to be? b. In lieu of an EMR, can offerors submit a letter from their insurance firm?

11-Jul-23

Answer: SI Response: a) Offerors must provide their current EMR from the insurance company. b) No, there is no substitution.

64 7/6/23

Reference: : Solicitation, page 2, The Evaluation Process, “The

Smithsonian will use information obtained from the Technical

Proposal and Cost Proposal provided by each Offeror in determining best value to the Smithsonian.”

19. Question: Please clarify whether the cost proposal is to be submitted as a separate document?

11-Jul-23 Answer: SI Response Answer: Yes, cost proposal to be submitted as a separate document.

65 7/6/23

Reference: : Solicitation, Page 14, Part V, Organization, “Resumes of

Key Personnel (w/ specific comparable project experience)”

20. Question: : Please provide a list of the required Key Personnel Positions for this project.

11-Jul-23 Answer: SI Response Answer: There is no list of required Key Personnel related to the 7th bullet point.

The Offeror may make that determination and provide appropriate backup describing specific comparable project experience.

66 7/6/23

Reference: Solicitation, Page 13, Part IV, “List a minimum of three (3) non-comparable projects (as defined in Part I General Information, Section C) completed or in progress during the past five (5) years.”

21. Question: Please clarify, if offerors meet the minimum requirements for comparable experience, whether or not they are also required to submit an additional three to five projects for non-comparable experience.

11-Jul-23

Answer: SI Response Answer: Offerors are required to complete all of Part IV of the solicitation to include Comparable and Non-Comparable Experience

67 7/6/23

Reference: Solicitation, Page 13, Part IV, “List a minimum of three (3) non-comparable projects (as defined in Part I General Information, Section C) completed or in progress during the past five (5) years.”

22. Question: Please clarify whether there are any additional parameters that non-comparable experience must meet if the non-comparable experience does not have to meet the relevancy requirements for comparable experience.

11-Jul-23 Answer: SI Response Answer: There are no additional parameters

68 7/6/23 Reference: Specifications, Page 18,

21.5.3 CQC Submittals Assistant

23. Question: Please clarify whether the CQC Submittals Assistant is considered key personnel.

11-Jul-23 Answer: SI Response Answer: The CQC Submittals Assistant may be included as key personnel.

69 7/6/23

Reference: Amendment 002, RFI Response 14, “Question: Should the Small Business Subcontracting Plan be included in the cost or technical proposal? If technical, please advise which tab and if it can be included as an attachment that does not count toward the page count

24. Answer: Subcontracting Plan – This can be included in the Technical Proposal as an attachment and will not count toward the page limit. This can be placed in

Tab 8. Offerors must include information requested in Part V, Section B of the RFP and FAR Clauses 52.219-S0097 and 52.219-9 Small Business Subcontracting Plan.”

Follow-Up Question: Based on this RFI response, please clarify whether offerors are required to submit a Small Business Subcontracting Plan in addition to the subcontractor list required for Part V Section B.

11-Jul-23

Yes, submit both Small Business Subcontracting Plan in addition to the subcontractor list. The Subcontracting Plan shall be submitted with the cost proposal. The Subcontracting list for Part V Section B is required in the Technical Proposal.

70 7/6/23 Drawing E-103PP

18. Question: Drawing E-103PP shows temporary panel TEMP P1 to be installed in the West Electrical Room. It was noted during the site walk that there is no room to mount the temp panel in the location shown. Please advise.

11-Jul-23 Altieri Response: Temp P1 and Temp P2 panels are not required and reference to these panels will be deleted.

71 7/6/23 Drawing E-104PP

19. Question: Drawing E-104PP shows temporary panel TEMP P2 to be installed in the East Electrical Room. It was noted during the site walk that there is no room to mount the temp panel in the location shown. Please advise.

11-Jul-23 Altieri Response: Temp P1 and Temp P2 panels are not required and reference to these panels will be deleted.

72 7/6/23 Mechanical Room 4000M2 AC-8

20. Question: There is work shown to be completed on the associated ductwork, controller and VFDs for ACU-8. Please advise if temporary conditioning is required for the spaces that ACU-8 serves during construction 11-Jul-23

Altieri Response: We assume the question is referring to AC-8 in Mechanical Room 4000M2 and not ACU-8. The new ductwork for AHU-4CW-13 (existing ACU-3) requires that the existing VFD’s for the existing 100HP AC-8 supply fan and the 30HP RF-8 return fan be replaced with new VFD’s in a new location. Refer to electrical drawings for locations. The new VFD’s shall be installed and prepped to limit the shutdown to less than 2 hours duration. Shutdown of AC-8 and RF-8 shall be scheduled during hours when the Museum is closed to the public. Temporary conditioning is not intended for AC-8.

73 7/6/23 W-T RFI 2 and RFI-4

21. Question: The responses to RFIs 2-4 confirm that there is no precast, doors, frames & hardware or security system work involved with the project. Please confirm that the only required areas of work to be included in the implementation plan (Part III.b) are Quality Control, Coordination Drawings, Fire Alarm, Control

Systems and Electrical Systems.

11-Jul-23

Quality Control, Commisioning, Coordination Drawings, Fire Alarm Control Systems, Electrical Systems & Mechancial Systems should be included in the Implementation Plan.

74 7/6/23 W-T RFI-17 Amendement #2

22. Question: Re RFI-17 from Amendment #2: Page 101 of the Clauses document requires “Section K of this solicitation shall be filled out.” For Tab B of the Cost Proposal.Page 9 of the RFP lists Section K to be submitted Under Tab 4 of the Technical Proposala. a) Please confirm that Tab of the Cost Proposal shall be

Section K - the completed Representations, Certifications and Other Statements of Bidders (Page 86-93). b. Please confirm that Tabs 3 and 4 of the Technical

Proposal include the response to “Is your company under suspension or debarment by any Federal, state or local agency or been terminated on any past projects (Smithsonian or others)?” from page 9 of the RFP.

11-Jul-23

a) Confirmed

b) Confirmed

E

F

G

H' H

G'

I'

I I''

J

J'

9 9' 1110 11A

AIR HANDLING UNIT

AC-7

AIR HANDLING UNIT

AC-8

RETURN FAN

RF-7

RETURN FAN

RF-8

AHU-4CW-13

(OLD ACU-3)

FLASH

TANK

VFD/AC-7

AHU-4CW-14

OLD ACU-4

660X864 (26"X34")

RA DUCT UP

PROVIDE NEW HOT

WATER CONVERTER

M-402HP

M-402HP

PROVIDE NEW UNFIRED

STEAM GENERATOR

(USG-1) AND BLOWDOWN

CONDENSATE COOLER

660X864 (26"X34")

SA DUCT UP

1346X1346 (53"X53")

RA DUCT UP

660X864 (26"X34")

SA DUCT UP

102(4") HOUSEKEEPING PAD

102(4") HOUSEKEEPING PAD

102(4") HOUSEKEEPING PAD

EXISTING UNFIRED

STEAM GENERATOR

EXPANSION TANK

PROVIDE NEW BMS

CONTROL PANEL FOR

AHU-4CW-14

PROVIDE NEW

BMS CONTROL PANEL

FOR AHU-4CW-13

PROVIDE VFD

FOR AHU-4CW-13

E

F

G

H' H

G'

I'

I I''

J

J'

9 9' 1110 11A

AC-7

AC-8

660X864 (26"X34")

RA DUCT UP

CONNECT

660X864(26"X34") SA

TO EXISTING

762X559(30"X22") SA

406X406 (16"X16")

OA DUCT

HWC-4-4-1

HWC-4-4-2

711X508 (28"X18")

SA DUCT

838X201 (33"X8")

SA DUCT

660X864 (26"X34")

SA DUCT UP

M-402HP

203X838 (8"X33")

SA DUCT UP

508X660 (20"X26")

OA DUCT UP

280X838 (11"X33")

SA DUCT

M-402HP

660X864 (26"X34")

RA DUCT DN

AHU-4CW-13

(OLD ACU-3)

1524X711 (60"X28")

RA DUCT

1346X1346 (53"X53")

RA DUCT DN

305X1016 (12"X40")

SA DUCT

EXISTING AC-8 VFD AND

CONTROLER MOVE TO WALL

FOR NEW PROGRAMMING

660X864 (26"X34")

SA DUCT DN

CONNECT

660X864(26"X34") RA

TO EXISTING

660X610(26"X24") RA

CONNECT

406X406(16"X16") OA

TO EXISTING OA PLENUM

CONNECT

1346X1346(53"X53") RA

TO EXISTING

1219X1067(48"X42") RA

CONNECT

1524X711(60"X28") RA

TO EXISTING

1524X711(60"X28") RA

CONNECT

838X280(33"X11") SA

TO EXISTING

838X280(33"X11") SA

CONNECT

965X584(38"X23") RA

TO EXISTING

965X584(38"X23") RA

CONNECT

508X660(20"X26") OA

TO EXISTING

508X660(20"X26") OA

CONNECT

838X203(33"X8") SA

TO EXISTING

838X203(33"X8") SA

REFER TO

DRAWING NOTES #

10 FOR TAB

REQUIREMENTS

REFER TO

DRAWING NOTES #

10 FOR TAB

REQUIREMENTS

REFER TO

DRAWING NOTES #

10 FOR TAB

REQUIREMENTS

REFER TO

DRAWING NOTES #

10 FOR TAB

REQUIREMENTS

REFER TO

DRAWING NOTES #

10 FOR TAB

REQUIREMENTS

E

F

G

H' H

G'

I'

I I''

J

J'

9 9' 1110 11A

AC-7

64⌀ (2 1/2"⌀)

CHS/CHR

26⌀ (1"⌀) CHS/R

AC-8

RF-7

RF-8

AHU-4CW-14

(OLD ACU-4):

26⌀ (1"⌀) CHS/R

26⌀ (1"⌀) HLPS

19⌀ (3/4"⌀) HLPR

32⌀ (1-1/4"⌀) CD

AHU-4CW-13

OLD ACU-3

PRV-1(W)

VFD/AC-7

PROVIDE NEW UNFIRED

STEAM

GENERATOR( USG-1) AND

BLOWDOWN SEPARATOR

M-402HP

C-1

76⌀ (2"⌀) HWS/HWR

P-1 ABOVE,

P-2 BELOW

CONNECT 19⌀ (3/4"⌀) HWS/R

TO HOT WATER COIL

HWC-4-4-1

32⌀ (1-1/4"⌀) HLPS UP TO

MECHANICAL RM PH2603

CONNECT 26⌀ (1"⌀) HWS/R

TO HOT WATER COIL

HWC-4-4-2

26⌀ (1"⌀)

HLPS

26⌀ (1" ⌀)HWS/R TO

MECHANICAL RM 4000M1

32⌀ (1 1/4"⌀)HLPS TO

MECHANICAL RM 4000M1

AIR SEPARATOR AS-1

EXPANSION TANK ET-1

M-402HP

19⌀ (3/4" ⌀) HLPR TO

CONDENSATE

COOLER.

19⌀ (3/4"⌀)HLPR TO

CONDENSATE

COOLER.

51⌀ (2" ⌀) HLPS

EXISTING FLOOR DRAIN

EXISTING FLOOR

DRAIN

EXISTING FLOOR

DRAIN

26⌀ (1"⌀) HLPC TO BE REINSTALLED

TIGHT TO WALL

32⌀ (1-1/4"⌀) CD TO

FLOOR DRAIN

HOT WATER & STEAM

ISOLATION VALVE

77⌀ (3"⌀) MANUAL BYPASS VALVE

32⌀ (1-1/4"⌀) CD TO

FLOOR DRAIN

AHU-4CW-13

(OLD ACU-3):

64⌀ (2 1/2"⌀) CHS/R

32⌀ (1-1/4"⌀) HWS/R

26⌀ (1"⌀) HLPS

19⌀ (3/4"⌀) HLPR

32⌀ (1-1/4"⌀) CD

102(4") HOUSEKEEPING PAD

102(4") HOUSEKEEPING PAD

102 (4") HOUSEKEEPING PAD

153⌀ (6"⌀) EXISTING HUMIDIFICATION

STEAM PIPING

26⌀ (1"⌀) RELIEF VENT

77⌀ (3"⌀) HLPS

127⌀ (5"⌀) EXISTING HLPS

102⌀ (4"⌀) VENT UP TO

MECHANICAL RM PH2603

HOT WATER

FLOW METER

CONNECT 26⌀ (1"⌀) CHS/R

TO EXISTING 254⌀ (10"⌀) CHS/R

CONNECT

64⌀ (2 1/2"⌀) CHS/R

TO EXISTING

254⌀ (10"⌀) CHS/R

CONNECT 26⌀ (1" ⌀)

LPR TO EXISTING 77⌀

(3" ⌀)LPR

102⌀ (4"⌀) VENT

CONNECT 13⌀ (1/2"⌀) DOMESTIC COLD WATER SUPPLY FROM 1" FILETERED

WATER SUPPLY SHOWN ON PLUMBING DRAWING TO

USG-1 AND BLOWDOWN SEPARATOR

102⌀ (4"⌀) HLPS

CONNECT 19⌀ (3/4"⌀)

LPR TO EXISTING 77⌀

(3"⌀)LPR

CONNECT 77⌀ (3"⌀) DRAIN TO

EXISTING BLOWDOWN RECEPTOR

32⌀ (1 1/4"⌀)

HWS/HWR

39⌀ (1 1/2"⌀)

HWS/HWR

04_FLOOR

76' - 10 3/4"

05_FLOOR

93' - 7 5/8"

05_FLOOR

93' - 7 1/2"

04_FLOOR

76' - 10 1/2"

AHU-4CW-13

(OLD ACU-3)

660X864 (26"X34")

SA DUCT UP

406X406 (16"X16")

OA DUCT

660X864 (26"X34")

RA DUCT UP

38⌀ (1 1/2"⌀) CHS/R

38⌀ (1 1/2"⌀) HLPS 19⌀ (3/4"⌀) HLPR

32⌀ (1-1/4" ⌀) CD

102(4") HOUSEKEEPING PAD

PROVIDE FLEXIBLE

DUCT CONNECTION (TYP.)

PROVIDE IN DUCT

SMOKE DETECTOR

PROVIDE IN DUCT

SMOKE DETECTOR

04_FLOOR

76' - 10 3/4"

05_FLOOR

93' - 7 5/8"

11 1011A

05_FLOOR

93' - 7 1/2"

04_FLOOR

76' - 10 1/2"

AHU-4CW-14

(OLD ACU-4)

660X864

(26"X34") RA

660X508

(26"X20") OA

660X864

(26"X34") SA

38⌀ (1 1/2"⌀) CHR

38⌀ (1 1/2"⌀) CHS

26⌀ (1"⌀) HLPS

19⌀ (3/4"⌀) HLPR

32⌀ (1-1/4" ⌀) CD

508X711

(18"X28") SA

203X838

(8"X33") SA

102(4") HOUSEKEEPING PAD

PROVIDE FLEXIBLE

DUCT CONNECTION (TYP.)

PROVIDE IN DUCT

SMOKE DECTECTOR

PROVIDE IN DUCT

SMOKE DECTECTOR

1"=100' -0"

100' 200'

Smithsonian Facilities 600 Maryland Avenue S.W. Suite 5001

Washington, DC 20024-2520

Smithsonian Institution

KEY PLAN

GRAPHIC SCALE(S)

SHEET NO.

OF

PROJECT TITLE

A/E PROJECT NUMBER

ADDRESS

BUILDING NAME

OFEO PROJECT

NUMBER

DRAWING TITLE

WORKING STAFF

DATE SUBMISSION

A

B

C

D

E

F

G

H

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K

L

M

1 2 3 4 5 6 7 8 9 10 11 12

A

B

C

D

E

F

G

H

J

K

L

M

1 2 3 4 5 6 7 8 9 10 11 12

REVISION # DATE REVISION DESCRIPTION

TYPE

DRAWN BY

SEQUENCEDISCIPLINE

CHECKED BYDESIGNED BY

DRAWING TYPE

Annum Architects 40 Broad Street Boston, MA 02109 617 338 3000

Altieri Sebor Wieber, LLC 31 Knight Street Norwalk, CT 06851 203 866 5538 171 Milk Street 3rd floor Boston, MA 02109 617 468 1000

: 4 :3 P M

REPLACE ACU’S FOR

COLLECT. STOR.ON 4TH

AND 5TH FLOORS

MECHANICAL ROOM 4000M2

PART PLANS & SECTIONS

2003112

REPLACE ACU’S FOR COLLECT.

STOR.ON 4TH AND 5TH FLOORS

12/21/22 CONSTRUCTION DOCUMENTS

M H P B Y A p p ro ve r E n te r Is s u e D a te

C O N S

TR

U C

TI

O N

D O C U M E N

TS

NMAH

600 MARYLAND AVE SW,

WASHINGTON, DC 20002

NMAH

2003112

M 402 HP

HY MFHY

1 : 1001 04_PART PLAN_WEST INTERIOR MECH RM 4000M2_LOWER DUCTWORK_NEW WORK

1 : 1002 04_PART PLAN_WEST INTERIOR MECH RM 4000M2_UPPER DUCTWORK_NEW WORK

1 : 1003 04_PART PLAN_WEST INTERIOR MECH RM 4000M2_PIPING_NEW WORK

1 : 304 AHU-4CW-13 SECTION VIEW

1 : 305 AHU-4CW-14 SECTION VIEW

DRAWING NOTES:

1. NEW AIR HANDLING UNITS ARE SIZED FOR FUTURE AIRFLOW BUT WILL BE BALANCED TO ORIGINAL AIRFLOW AS LABELED IN THE CURRENT

CFM COLUMN OF THE AHU SCHEDULE.

2. HUMIDIFIER STEAM WILL BE SUPPLIED FROM NEW UNFIRED STEAM GENERATOR LOCATED IN MECHANICAL ROOM 4000M2.

3. HOT WATER FOR NEW HOT WATER REHEAT COILS WILL BE SUPPLIED FROM A NEW HOT WATER CONVERTER LOCATED IN MECHANICAL

ROOM 4000M2.

4. REFER TO CHILLED WATER COOLING COIL DETAILS ON M-500DT FOR CONNECTION REQUIREMENTS.

5. NEW DUCTWORK TO BE CONNECTED TO EXISTING DUCTWORK AT THE WALL OF THE MECHANICAL ROOM WHERE SHOWN.

6. DELIVERY OF AIR HANDLING UNIT COMPONENTS AND OTHER EQUIPMENT SHALL BE COORDINATED WITH AVAILABLE DOOR OPENINGS AND ANY OTHER MECHANICAL ROOM ACCESS AS SPECIFIED ON THE LOGISTICS PLAN TO ENSURE ALL UNIT SECTIONS WILL FIT THROUGH THE

EXISTING DOOR OPENINGS AND ACCESS PATHS TO THE NEW UNIT LOCATION(S).

7. EXISTING FIRE DAMPERS AT MECHANICAL ROOM WALLS THAT ARE ASSOCIATED WITH THE COLLECTION STORAGE AIR HANDLING SYSTEMS

SHALL BE TESTED AND NEW FUSEABLE LINKS SHALL BE INSTALLED.

8. PROVIDE FLEXIBLE CONNECTIONS AT AIR HANDLING UNIT (TYPICAL FOR ALL AHU DUCT CONNECTIONS).

9. REFER TO DRAWING M-104FP FOR DUCTWORK AND PIPING CONTINUATION ON THE 4TH FLOOR.

10. TESTING ADJUSTING & BALANCING (TAB): NEW AIR HANDLING UNITS SHALL BE BALANCED TO MATCH THE SAME AIRFLOWS AS MEASURED PRIOR TO CONSTRUCTION. IN ADDITION TO AIRFLOW AND PRESSURE MEASUREMENTS AT THE AIR HANDLING UNITS, AIRFLOW AND STATIC PRESSURE MEASUREMENTS SHALL BE RECORDED AT EACH DUCT WHERE IT PENETRATES THE MECHANICAL ROOM WALL. AIRFLOWS AT THE WALL PENETRATIONS SHALL BE BALANCED TO MATCH THE PRECONSTRUCTION AIRFLOW MEASUREMENTS FOR THOSE LOCATIONS.

1 7/07/23 Addendum #2

ChanVC Highlight

ChanVC Highlight

ChanVC Highlight

1"=1"1"=1"1"=1"1"=1"

1"1"1"1" 2222""""

1/8"=1'1/8"=1'1/8"=1'1/8"=1'----0"0"0"0"

4'4'4'4' 8'8'8'8' 11116666''''

1"=100'1"=100'1"=100'1"=100'----0"0"0"0"

100'100'100'100' 222200000000''''

1/16"=1'1/16"=1'1/16"=1'1/16"=1'----0"0"0"0"

8'8'8'8' 16'16'16'16' 33332222''''

1"=50'1"=50'1"=50'1"=50'----0"0"0"0"

50'50'50'50' 111100000000''''

Smithsonian Facilities 600 Maryland Avenue S.W. Suite 5001

Washington, DC 20024-2520

Smithsonian Institution

KEY PLAN

GGGGRRRRAAAAPPPPHHHHIIIICCCC SSSSCCCCAAAALLLLEEEE((((SSSS))))

SHEET NO.SHEET NO.SHEET NO.SHEET NO.

OFOFOFOF

PROJECT TITLEPROJECT TITLEPROJECT TITLEPROJECT TITLE

A/E PROJECT NUMBERA/E PROJECT NUMBERA/E PROJECT NUMBERA/E PROJECT NUMBER

ADDRESSADDRESSADDRESSADDRESS

BUILDING NAMEBUILDING NAMEBUILDING NAMEBUILDING NAME

OFEO PROJECT OFEO PROJECT OFEO PROJECT OFEO PROJECT

NUMBERNUMBERNUMBERNUMBER

DRAWING TITLEDRAWING TITLEDRAWING TITLEDRAWING TITLE

WORKING STAFFWORKING STAFFWORKING STAFFWORKING STAFF

DATE SUBMISSION

AAAA

BBBB

CCCC

DDDD

EEEE

FFFF

GGGG

HHHH

JJJJ

KKKK

LLLL

MMMM

1111 2222 3333 4444 5555 6666 7777 8888 9999 10101010 11111111 12121212

AAAA

BBBB

CCCC

DDDD

EEEE

FFFF

GGGG

HHHH

JJJJ

KKKK

LLLL

MMMM

1111 2222 3333 4444 5555 6666 7777 8888 9999 10101010 11111111 12121212

REVISION # DATE REVISION DESCRIPTION

TYPE

DRAWN BY

SEQUENCEDISCIPLINE

CHECKED BYDESIGNED BY

DRAWING TYPE

Annum Architects 40 Broad Street Boston, MA 02109 617 338 3000

Altieri Sebor Wieber, LLC 31 Knight Street Norwalk, CT 06851 203 866 5538 171 Milk Street 3rd floor Boston, MA 02109 617 468 1000

:0 :4

P M

:0 :4

P M

:0 :4

P M

:0 :4

P M

REPLACE ACU’S FOR

COLLECT. STOR.ON 4TH

AND 5TH FLOORS

AHU DETAILSAHU DETAILSAHU DETAILSAHU DETAILS

2003112200311220031122003112

REPLACE ACUREPLACE ACUREPLACE ACUREPLACE ACU

SSSS FFFFOOOORRRR CCCCOOOOLLLLLLLLEEEECCCCTTTT

SSSSTTTTOOOORRRR....OOOONNNN 4444TTTTHHHH AAAANNNNDDDD 5555TTTTHHHH FFFFLLLLOOOOOOOORRRRSSSS

12/21/2212/21/2212/21/2212/21/22 CCCCOOOONNNNSSSSTTTTRRRRUUUUCCCCTTTTIIIIOOOONNNN DDDDOOOOCCCCUUUUMMMMEEEENNNNTTTTSSSS

MM MM

D T

B Y

A p p ro v e r E n te r Is s u e

D a te

C O N S T R U C T

IO

N

D O C U M E N T S

D T

B Y

A p p ro v e r E n te r Is s u e

D a te

C O N S T R U C T

IO

N

D O C U M E N T S

D T

B Y

A p p ro v…