33310524R0005 Amendment 0002.pdf

5. PROJECT NUMBER (if applicable)

CODE7. ADMINISTERED BY

2. AMENDMENT/MODIFICATION NUMBER

CODE

6. ISSUED BY

8. NAME AND ADDRESS OF CONTRACTOR

4. REQUISITION/PURCHASE REQ. NUMBER3. 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 CODECODE

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 NUMBERED 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 amendment, 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)

1218-0196

1 5

The John F Kennedy Center Attn: Contracting 2700 F Street, N.W.

Washington DC 20566-0001

The John F Kennedy Center Attn: Contracting 2700 F Street, N.W.

Washington DC 20566-0001

To all Offerors/Bidders 33310524R0005

02-15-2024 X

X X

1. This amendment provides responses to RFIs received as a result of the site visit held 3/4/2024. See Pages 2 - 5.

03-07-2024

RFI #1 Can the JFK Center staff confirm if the following closed loops below are separate water/glycol systems and “are not” common system water/glycol for heat transfer in the Physical Plant?

Main chill water loop – has chemical feed from chemical drum, Harmsco filter housing with a coupon rack

Main heating water loop – has chemical feed at 5 gallon pot feeder with a coupon rack

Radiant heating loop – has chemical feed at 5 gallon pot feeder with a coupon rack Condenser closed loop – has chemical feed at 5 gallon pot feeder with a coupon rack Glycol loop – has chemical feed at 5 gallon pot feeder with a coupon rack

RESPONSE: The Center’s closed loop system is separate water/glycol system. The glycol is used for the geo thermal system.

RFI #2 Reviewing the chemical results from the 15 page “Statement of Work” document in reviewing pages 9 and 10, Bond Water is showing Sodium Nitrite only at the hot water and chill water loop, can JFK staff advise the latest tests results on the Condenser closed loop, Radiant heating loop and glycol loop if separate water/glycol systems?

RESPONSE: The current water treatment contract doesn’t cover monthly waster testing for the Reach system’s condenser, radiant and glycol loops. The new contract will have monthly water testing for all closed loop systems including the condenser, radiant and glycol closed loops.

RFI #3 Can JFK Center staff provide the GPM of the circulating pumps for –

RESPONSE:

Small Pumps - Main chill water CHWP EX 001 & 002? These are lead & lag pumps, GPM reading is 75 Large pumps – Main chill water 3ea.? 55GPM Main hot water pumps – HHWP EX 001, 002, Unknown 003 & 004? 58 GPM Radiant hot water pumps – 2ea.? 18 GPM Condenser closed loop pumps 2ea.? 40GPM Glycol pumps 2ea.? Unknown

RFI #4 Can the JFK Center staff provide water make-up in gallons for last 365 days for the following closed loops?

RESPONSE:

Main chill water loop? Data not available Main heating loop? Data not available

Radiant heating loop? Data not available Condenser closed loop? Data not available Glycol loop? Data not available

RFI #5 Can the JFK Center staff advise who is responsible in purchasing and changing the filter cartridges in the Harmsco Filter housing?

RESPONSE: The Kennedy Center staff.

RFI #6 If the water treatment company is responsible for replacing filters, can you advise what micron rating is required, how often are filters to be changed and how many filters are in the housing?

RESPONSE: N/A

RFI #7: Can JFK Center staff advise what the steam is used for at the following boilers?

RESPONSE:

MER-3 – Provide humidity for the musical instruments located in the Concert Hall block MER-5 North – Provide humidity for the musical instruments located within the

Concert Hall auditorium MER-5 South – Provide humidity for the musical instruments located within the concert hall auditorium

RFI #8 Can JFK Center staff advise who purchase salt for softeners and who is responsible for keeping salt in the brine tanks?

RESPONSE: The contractor is responsible for purchasing the salts and filling the brine tanks.

RFI #9 Can JFK Center staff advise who is responsible for daily or weekly bottom blow down(s) for the steam boilers to keep cycles within limits?

RESPONSE: JFK staff are responsible for blow downs of the steam boilers.

RFI #10 Can JFK Center staff advise what the run time, what days and what months the electric steam boilers operate and if and when do they shut-off or system gets drained?

RESPONSE:

MER-3 – The boilers are put in operation from December to late April depending on outside humidity. The boilers are turned off during late Spring to mid Fall.

MER-5 North – The boilers are put in operation from December to late April depending on outside humidity. The boilers are turned off during late Spring to mid Fall.

MER-5 South – The boilers are put in operation from December to late April depending on outside humidity. The boilers are turned off during late Spring to mid Fall.

RFI #11 Can JFK Center staff advise the electric boiler standard PSI rating and normal feed water temperature is?

RESPONSE:

MER-3 (Feed water Temp - ? – Boiler PSI ?) – Max rating is 15psi @250 F MER-5 North (Feed water Temp - ? – Boiler PSI ?) – Max rating is 15psi @250 F MER-5 South (Feed water Temp - ? – Boiler PSI ?) – Max rating is 15psi @250 F

RFI #12 Can JFK Center staff advise open loop condenser water (Potomac Water) testing for the Influent & Effluent –

Is water treatment company responsible to purchase proper sample media for the 2 samples monthly?

RESPONSE: The contractor is responsible for maintenance and monthly calibration of equipment, they’re also responsible for extracting the pH and temperature readings and submitting them to the COR as part of their monthly service report.

Who is responsible for sending the 2ea./month samples to the EPA or independent lab?

RESPONSE: The PMO director of the Center is responsible for this task.

Is water treatment company responsible for including in their price for shipping to EPA or independent lab?

RESPONSE: No

What test are ran for the open loop water and what are the limits?

RESPONSE: No test is run for the open loop system per this contract.

RFI #13 Based on the large volume of HVAC chill and heating loop water, will JFK advise an estimated of annual water loss for each system?

RESPONSE:

Main chill water loop annual water loss estimate ? Unknown Main heating loop annual water loss estimate ? Unknown Radiant heating loop annual water loss estimate ? Unknown Condenser closed loop annual water loss estimate ? Unknown Glycol loop annual water loss estimate ? Unknown

RFI #14 Can JFK Center staff advise when the water meter at MER-3 was installed?

RESPONSE: No

RFI #15 Can JFK Center staff advise what the water meter reading was at MER-3 on 3/4/23, 365 days ago?

RESPONSE: Unknown