AMENDMENT_0007.pdf

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 a change to the draw ings and specificiations. (See Continuation Page)

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 05-Aug-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 N40085-15-R-0310

X 9B. DATED (SEE ITEM 11)

17-Jun-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 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

05-Aug-2015

CODE

NAVFAC MID ATLANTIC

MARINE CORPS IPT

9324 VIRGINIA AVE

NORFOLK VA 23511

N40085 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

N40085-15-R-0310

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

AMENDMENT 0007

CONTINUATION SHEET

RESPONSE TO RFI ON FUSIBLE PVC (Email dated July 10, 2015)

RFI proposes using Fusible PVC (AWWA C900, AWWA C905) as a substitute for the HDPE Concentrate Line and the Raw Water Line. Fusible PVC will be allowed as an alternate material for the HDPE Concentrate Line and the Raw Water Line provided the following:

1. Pipe diameters are not downsized from those indicated on the bid set. This amendment revises pressure rating for concentrate line to DR17.

2. No trenchless installation.

3. The Contractor must accept responsibility for any conflicts created by the offset proposed for small bends (11-1/4 degrees and less).

4. All fittings, couplings and connections must have restrained joints; thrust blocks not allowed.

5. Bedding shall be in accordance with the specifications and plans for this project.

6. Pipe may not be installed by pulling.

SECTION 40 05 13 PIPELINES, LIQUID PROCESS PIPING

SUPPLEMENT 1 – TABLE

Replace Concentrate Outfall in the Table in Supplement 1 issued with earlier amendment with the following:

Service/Flow Stream

Legend Size (inches)

Material Installation Pressure Max Operation, Test

Color Code Remarks

Concentrate Outfall

CO 12” HDPE BUR 30, 100H DR 17

SECTION 46 61 01 FILTRATION EQUIPMENT (BYPASS FILTERS)

2.4 DESIGN REQUIREMENTS

To the end of the second paragraph, ADD the following:

“Backwash process shall include air scour. Designs that do not include air scour as part of the backwash process are not acceptable. Backwash design may consist of (a) sequential air scour followed by hydraulic rinse or (b) simultaneous sustained air/water backwash. Filter manufacturer shall provide the backwash/air scour design as

N40085-15-R-0310 required to reliably meet the filter design criteria and performance requirements specified herein. All designs shall include a Filter-to-Waste step.”

TABLE 1: Water Quality & Design Requirements

To the end of the table, ADD the following rows:

Backwash Air Scour Rate (scfm/ft2) 1-3

Maximum Backwash Flow Rate (gpm) 1,200

Maximum Waste Volume per Backwash per Filter (all cells), not including cell draindown or Filter-to-Waste (gallons)

43,000

(End of Summary of Changes)