36C25023Q0511 0001.docx

5. PROJECT NUMBER (if applicable)

CODE

7.

ADMINISTERED BY

2. AMENDMENT/MODIFICATION NUMBER

CODE

6. ISSUED BY

8. NAME AND ADDRESS OF CONTRACTOR

4. REQUISITION/PURCHASE REQ. NUMBER

3. EFFECTIVE DATE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED

PAGE OF

PAGES

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED

BPA NO.

1. CONTRACT ID CODE

FACILITY CODE

CODE

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:

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

E. IMPORTANT:

is extended,

(a) By completing Items 8 and 15, and returning __________ copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE

OF YOUR

ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY is not extended.

12. ACCOUNTING AND APPROPRIATION DATA

(REV. 11/2016)

is required to sign this document and return ___________ copies to the issuing office.

is not, A. THIS CHANGE ORDER IS ISSUED PURSUANT TO:

Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO. IN ITEM 10A.

15C. DATE SIGNED

B. THE ABOVE NUMBERE

D CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES

SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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 amendmen t, and is received prior to the opening hour and date specified.

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

D. OTHER

Contractor

16C. DATE SIGNED

14. DESCRIPTION OF AMENDMENT/MODIFICATION

16B. UNITED

STATES OF AMERICA

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

15A. NAME AND TITLE OF SIGNER

16A. NAME AND TITLE OF

CONTRACTING OFFICER

15B. CONTRACTOR/OFFEROR

STANDARD FORM 30

PREVIOUS EDITION NOT USABLE

Prescribed by GSA - FAR (48 CFR) 53.243 (Type or print) (Type or print) (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

(Number, street, county, State and ZIP Code) (If other than Item 6) (Specify type of modification and authority) such as changes in paying office, appropriation date, etc.)

(If required)

(SEE ITEM 11)

(SEE ITEM 13)

(X)

CHECK

ONE

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

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF

SOLICITATIONS

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

(Signature of person authorized to sign) (Signature of Contracting Officer) 583-23-4-669-0036 None Department of Veterans Affairs Network Contracting Office 10 24 Frank Lloyd Wright Drive Lobby M, Suite M2200 Ann Arbor MI 48105 Y Department of Veterans Affairs Network Contracting Office 10 24 Frank Lloyd Wright Drive Lobby M, Suite M2200 Ann Arbor MI 48105 To all Offerors/Bidders

36C25023Q0511 07-11-2023

X X X

583-3630162-669-584100-2548 010055590 X One( 1) The purpose of this modification is to provide answers to questions received from Contractors in response to the initial solicitation posting.

See following pages for questions and answers.

Kristina L. Peart Contracting Officer RFQ 36C25023Q0511 Questions and Answers

1. Question: Is bidder responsible for supplying the sodium hypochlorite solution?

Answer: Yes

1. Question: What are the volumes of the chilled water systems and average make up per year for the chilled water/closed loop systems?

Answer: 20,000

1. Question: Does the plant aim to maintain a 1.0 ppm free chlorine residual at all times during operation of the tower or only during upset conditions?

Answer: At all times water is present in the towers

1. Question: Is the site open to a brief 1 hr walkthrough on Wednesday or Thursday this week?

Answer: Yes, Thursday preferably

1. Question: What are the metallurgies of the chiller tubes (copper, admiralty brass, etc)?

Answer: Can be provided at walkthrough

1. Question: Total Cooling Tower System Volume?

Answer: 20000

1. Question: Is the Chilled Water included in this bid? If so:

Chilled Water-Volume 4200 Annual make-up 10,000,000 Water Source ie softened, RO, DI softened Control and monitoring equipment Walchem chemical monitoring, manual harness testing, Answer: yes

1. Question: is 1.0 ppm of free residual chlorine required to be maintained at all times or is this only for disinfection purposes? Line 13 of the maintenance section in unclear if this continuous for season or on an as needed basis.

Answer: At all times water is present in the towers

1. Question: Can you provide a tower model number, tower tonnage or approximate measurements of the towers?

Answer: Can be provided at walkthrough

1. Question: Do the towers share a common sump or are they each single cell towers?

Answer: Can be provided at walkthrough

1. Question: What is the model and part number of the chlorine reading meter?

Answer: Can be identified in walkthrough

1. Question: Regarding the legionella testing, is this to be provided only for the cooling tower system?

Answer: Tower, loop (from return), and sump

1. Question: Are all quantity of chemicals to be shipped at once or on an as needed basis?

Answer: As needed with reserve on-site

1. Question: Can you provide a current list of reagents being used?

Answer: C-4500 Corrosion inhibitor, C-950 Oxidizing Biocide, 7424 Microbiocide Non-oxidizing Biocide, C-640 Corrosion Inhibitor

1. Question: Is there a preferred reagent that the VA wants used on the contract?

Answer: No

1. Question: Can you please describe how the current maintenance on chlorine reading meters is performed?

Answer: Per manufacturers recommendations, Specs can be identified during walkthrough

1. Question: Could you please define the “future maintenance of continuous chlorine reading meters” means in the solicitation?

Answer: Calibration and manufacturer recommended preventative maintenance

1. Question: Is there a cost estimate, budget or ballpark figure for the project listed?

Answer: Yes, historical cost based

1. Question: Is there an actual start date for the project?

Answer: As soon as NTP provided Chiller Plant Water Treatment Service