W912DW-16-Q-0018-0002_-_CJD_HVAC_Cooling_Coils_Amendment.pdf

W68MD953373987

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

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 (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of this amendment is to provide answ ers to questions received regarding the solicitation.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 2

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

16C. DATE SIGNED

BY 10-Dec-2015

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

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

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912DW-16-Q-0018

X 9B. DATED (SEE ITEM 11)

04-Dec-2015

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer 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 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 telegram 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 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.

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.

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.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

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

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

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

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

10-Dec-2015

CODE

USA ENGINEER DISTRICT, SEATTLE

ATTN: CECT-NWS

4735 EAST MARGINAL WAY SOUTH, BLDG. 1202

SEATTLE WA 98134-2388

W912DW 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912DW-16-Q-0018

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 1449 - CONTINUATION SHEET

The following have been added by full text:

W912DW-16-Q-0018

Chief Joseph Dam – HVAC Cooling Coils

Q&A

Q1: What are the inlet air drybulb and wetbulb temps?

A1: Summer design temperatures appear on the schedule provided, 101F db. Wet bulb temp is not provided on the schedule. Summer Dry Bulb (1%): 96° F Mean Coincident Wet Bulb: 65° F.

Q2: There is not enough spacing for 14 fins per inch and .012 thickness of fins (not a question but can someone provide a response for this one)

A2: Fin spacing of 14 fpi is shown on the drawing schedule. Circuiting, tube face, and other indicated criteria is based on a 14 fpi spacing. Other fin spacing may be permissible provided the performance meets the indicated capacity. Fin thickness is not indicated on the schedule; in the spec 0.012" is specified as a minimum thickness.

Q3: Can copper or steel connections be used instead of casing?

A3: Header box and connection material specified is stainless; copper connections and removable header box are acceptable.

Q4: Are as-built drawings necessary if this is a materials quote only?

A4: As-built drawings are not required as part of the quote. However, pre-production and as-built drawings are required per 7.2.1 and 7.2.2.

Q5: Is the overall length of the Tubes to be 84"?

A5: Tube lengths are shown on P-001, as 84".

Q6: What is the Material Specification for the Copper Tubes (i.e. they may be C433 SB111 Admiralty Brass Tubs)?

A6: Admiralty brass is acceptable for the tubes.

(End of Summary of Changes)