Arlington County Government Sealed Solicitation

Title: 24-DES-ITBPW-336 Air Handler Replacement

Deadline: 1/26/2024 2:00 PM   (UTC-05:00) Eastern Time (US & Canada)

Status: Awarded

Solicitation Number: 24-DES-ITBPW-336

Description: FOR THE PROVISION OF TWO (2) 4,200 CUBIC FEET PER MINUTE (CFM) AND TWO (2) 5,000 CFM AIR HANDLER UNIT REPLACEMENTS, INTEGRATION OF SIEMENS BUILDING CONTROLS INTO THE AUTOMATION SYSTEM, AND ASSOCIATE MECHANICAL, ELECTRICAL AND PLUMBING WORK


Pre-Bid Meeting Date: 11/29/2023 11:00 AM

Pre-Bid Meeting Details: Please sign up if you plan to attend the pre-bid meeting. A virtual prebid conference will be held at 11:00 AM EST November 29, 2023 via Microsoft Teams to allow potential Bidders an opportunity to obtain clarification of the specifications and requirements of the solicitation. To join the meeting, by dialing +1 347-973-6905, and enter Conference ID 266 316 084# . ATTENDANCE AT THE PREBID CONFERENCE IS OPTIONAL. Interested Bidders are, however, urged to attend. The County will hold two (2) optional site visits on November 29, 2023 at 1:00 PM and December 1, 2023 at 11:00 AM at 2020 14th Street, Arlington VA 22201. Bidders desiring to attend the pre-bid site visit should register by emailing bhenley@arlingtonva.us with the list of members who plan to attend the pre-bid site visit by 3:30 p.m. the day prior to the pre-bid site visit. A maximum of (4) four people may attend from each company.


Documents:

Documents as of 11/17/2023
24-DES-ITBPW-336 AIR HANDLER REPLACEMENT.pdf
ATTACHMENT B- Specifications.pdf
ATTACHMENT C- Drawings.pdf
ATTACHMENT D- Supplementary Specifications.pdf
ATTACHMENT A- Pricing Sheet.xlsx
Addition 1

Posted: 12/20/2023

Type of Addition: Addendum 1

Deadline: 1/26/2024 2:00 PM

Pre-Bid Meeting Details: THE COUNTY WILL HOLD TWO ADDITIONAL SITE VISITS TO ALLOW BIDDERS THE OPPORTUNITY TO VIEW AND TOUR THE ELECTRICAL ROOM IN THE BASEMENT OF THE BUILDING. OPTIONAL SITE VISITS WILL BE HELD ON JANUARY 4, 2024, AT 10:00 A.M. AND JANUARY 8, 2024 AT 12:00 P.M. AT 2020 14TH STREET, ARLINGTON VA 22201. BIDDERS DESIRING TO ATTEND THE ADDITIONAL SITE VISIT SHOULD EMAIL BHENLEY@ARLINGTONVA.US BY 4:00 P.M. THE DAY PRIOR TO THE SITE VISIT.

Documents:

Addition 2

Posted: 1/16/2024

Type of Addition: Addendum 2

Documents:

Addition 3

Posted: 1/26/2024

Type of Addition: 24-DES-ITBPW-336 Bid Tabulation

Documents:

Addition 4

Posted: 2/13/2024

Type of Addition: Award Notice: Air Handler Replacement

Overview: Award Notice: 24-DES-ITBPW-336: Air Handler Replacement

Documents:

Question 1

Posted: 12/6/2023

Question: The only door from the “loading dock” is a 3 foot door. Why does the AE show walls, doorframes and water fountains being removed to access the machine rooms, when the first door the equipment needs to be taken through is less than 3 feet wide?

Response: Response provided in addendum 1

Question 2

Posted: 12/6/2023

Question: Access to the floors was through a rather small elevator. Is there a larger elevator that can accommodate the unit sections to get them up to each floor?

Response: Response provided in addendum 1

Question 3

Posted: 12/6/2023

Question: To include the mixing boxes as show on the drawing detail, AHU-4 & 5 might need to be upsized to a size 12 instead of the scheduled size 10. Did the AE take into account the configuration of the mixing boxes on the selected units?

Response: Response provided in addendum 1

Question 4

Posted: 12/8/2023

Question: Is there a shutoff valve on each floor in mechanical room or will the entire building need to be shut down?

Response: Response provided in addendum 1

Question 5

Posted: 12/8/2023

Question: Can mechanical equipment and material be stored in working area? Or will contractor be provided a separate staging area?

Response: Response provided in addendum 1

Question 6

Posted: 12/8/2023

Question: Please confirm that there is no fire alarm scope included in this project

Response: Response provided in addendum 1

Question 7

Posted: 12/8/2023

Question: What are the work hours for this project?

Response: Response provided in addendum 1

Question 8

Posted: 12/8/2023

Question: Please provide the manufacturer's name and model number of the main switchboard in Garage B2

Response: Response provided in addendum 1

Question 9

Posted: 12/8/2023

Question: Please provide the distance required for 2 sets of 4#300MCM + 1#1AWG in the two existing conduits, per note 8/E-6-02

Response: Response provided in addendum 1

Question 10

Posted: 12/8/2023

Question: Please provide the floor plans that indicate the location of the main switchboard and where the conduits need to be penetrated between Garage B2 and Garage B1 for the scope mentioned in note 6/E-6-02

Response: Response provided in addendum 1

Question 11

Posted: 12/8/2023

Question: What are the ceiling heights of the penthouse mechanical room and the garage floors?

Response: Response provided in addendum 1

Question 12

Posted: 12/8/2023

Question: What NEMA rating is required for disconnect switches and combination motor starters in the penthouse mechanical room?

Response: Response provided in addendum 1

Question 13

Posted: 12/8/2023

Question: Please provide wage determination, if applicable

Response: Response provided in addendum 1

Posted: 12/20/2023

Type of Addition: Addendum 1

Deadline: 1/26/2024 2:00 PM

Pre-Bid Meeting Details: THE COUNTY WILL HOLD TWO ADDITIONAL SITE VISITS TO ALLOW BIDDERS THE OPPORTUNITY TO VIEW AND TOUR THE ELECTRICAL ROOM IN THE BASEMENT OF THE BUILDING. OPTIONAL SITE VISITS WILL BE HELD ON JANUARY 4, 2024, AT 10:00 A.M. AND JANUARY 8, 2024 AT 12:00 P.M. AT 2020 14TH STREET, ARLINGTON VA 22201. BIDDERS DESIRING TO ATTEND THE ADDITIONAL SITE VISIT SHOULD EMAIL BHENLEY@ARLINGTONVA.US BY 4:00 P.M. THE DAY PRIOR TO THE SITE VISIT.

Documents:

Posted: 1/16/2024

Type of Addition: Addendum 2

Documents:

Posted: 1/26/2024

Type of Addition: 24-DES-ITBPW-336 Bid Tabulation

Documents:

Posted: 2/13/2024

Type of Addition: Award Notice: Air Handler Replacement

Overview: Award Notice: 24-DES-ITBPW-336: Air Handler Replacement

Documents:

Posted: 12/6/2023

Question: The only door from the “loading dock” is a 3 foot door. Why does the AE show walls, doorframes and water fountains being removed to access the machine rooms, when the first door the equipment needs to be taken through is less than 3 feet wide?

Response: Response provided in addendum 1

Posted: 12/6/2023

Question: Access to the floors was through a rather small elevator. Is there a larger elevator that can accommodate the unit sections to get them up to each floor?

Response: Response provided in addendum 1

Posted: 12/6/2023

Question: To include the mixing boxes as show on the drawing detail, AHU-4 & 5 might need to be upsized to a size 12 instead of the scheduled size 10. Did the AE take into account the configuration of the mixing boxes on the selected units?

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Is there a shutoff valve on each floor in mechanical room or will the entire building need to be shut down?

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Can mechanical equipment and material be stored in working area? Or will contractor be provided a separate staging area?

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Please confirm that there is no fire alarm scope included in this project

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: What are the work hours for this project?

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Please provide the manufacturer's name and model number of the main switchboard in Garage B2

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Please provide the distance required for 2 sets of 4#300MCM + 1#1AWG in the two existing conduits, per note 8/E-6-02

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Please provide the floor plans that indicate the location of the main switchboard and where the conduits need to be penetrated between Garage B2 and Garage B1 for the scope mentioned in note 6/E-6-02

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: What are the ceiling heights of the penthouse mechanical room and the garage floors?

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: What NEMA rating is required for disconnect switches and combination motor starters in the penthouse mechanical room?

Response: Response provided in addendum 1

Posted: 12/8/2023

Question: Please provide wage determination, if applicable

Response: Response provided in addendum 1