amendment0004.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

5. PROJECT NO. (If applicable)2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ.NO.

PAGE OF PAGES

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

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

CODE

9A. AMENDMENT OF SOLICITATION NO.

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

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

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

Items 8 and 15, and returning is extended, is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required.)

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

(x) 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 THE AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation date, etc.) SET FORTH IN ITEM 14.

E. IMPORTANT: Contractor is not, is required to sign this document and return

ORDER NO. IN ITEM 10A.

1 1

0004 06/10/2021

FEDERAL AVIATION ADMINISTRATION

AAQ-500 - REGIONAL ACQUISITIONS

1200 DISTRICT AVENUE

BURLINGTON MA 01803

AAQ510BOS-AFN

x

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

separate letter or telegram which includes a reference to the solicitation and amendment number. 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 telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By ___________ 1 x x

697DCK-21-R-00190

1 copies to the issuing office.

04/27/2021

(x)

Amendment 0004 issued for the following questions and answers:

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

15C. DATE SIGNED 16B. CONTRACT AUTHORITY 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

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

Susan J. Newcomb

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 .

RFO 697DCK-21-R-00190

Amendment 0004

Question: With regards to the High-Performance Valves, The Bray distributor would like to know the material composition required for the Body, Seat & Disc.

Answer: The butterfly valves are described in specification section 23 05 23.13

Question: Is there a controls contractor that currently works for the FAA. Please advise.

Answer: FAA does not have a controls contractor under contract to perform this work. All controls are under this contract. The existing system is by Schneider Electric, per specification section 23 09 23. All new components must be compatible with the existing controls system.

Question: Are Bid Bonds required?

Answer: No, only payment and performance bonds are required.

Question: Please confirm that there is no asbestos abatement or hazmat removals required.

Answer: There is no asbestos or HazMat

Question: Please advise what is considered “off hours” for the facility for tie-in and testing.

Answer: Off hours is between 12 am -5 am

Question: Is there any special requirement for the Chemical Treatment Equipment shed to house the temporary treatment system?

Answer: Must be weather resistant and sturdy enough to withstand the weather.

Question: The detail on the drawings (A5/M504) call for the new configuration to relocate the check valve. Note 2 states “relocate check valve to provide min. 4 feet straight section of pipe from elbow”. There does not appear to be sufficient space to comply with this note. Please advise.

Answer: Relocate check valve to provide maximize distance between elbow and check valve.

We recognize that existing piping may not allow this distance to be 4 feet but contractor will be required to get as close as possible.

Question: Can we keep the temporary cooling towers/chillers staged on their trailer for the duration of the temp cooling period in lieu of constructing new temporary concrete pads? We can provide plywood, or other desired planking, to spread the load beneath the trailer wheels. There is potential for significant savings to sitework, landscaping, and rigging if this change is accepted.

Answer: Temporary cooling towers and pumps should be installed as shown on the drawings.

Question: Is the Leak Detection Cable desired for the temp piping too?

Answer: No leak detection is required. Heat trace is required on temporary piping

Question: What is the anticipated start date? Please confirm that the moratorium period on contracted work is NOT included in the 270 allowed construction days.

Answer: The start date is anticipated to be Late August/September. The moratorium is not included in the performance period of 270 days.

Question: Are drain pans required beneath temporary piping in the chiller room?

Answer: No

Can we grade and seed in lieu of new sod?

Answer: Area should be restored with sod.

Question: Does the FAA have a preference of the type/specification of Security Fencing needed to secure the temporary facilities?

Per drawing M03 the fence must be 8’ tall with top rail and locking gate. Temporary fencing can be installed on moveable bases