W12R0022-03.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

Subject for construction of Phase 1B site environmental remediation for Dense Non-aqueous Phase Liquid (DNAPL) Soil Stabilization at the Atlantic Wood Industries Superfund Site located in Portsmouth, Virginia is amended as follow s:

1. Table 1, Stabilization/Solidification (S/S) Treatability Study dated, 6 April 2012 is hereby incorporated and attached.

2. The Contracting Office Point-of-Contact is:

Veronica McGuire, Phone: 757-201-7366, Fax 757-201-7183, Email: veronica.a.mcguire@usace.army.mil

1. CONTRACT ID CODE PAGE OF PAGES

1 1

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

16C. DATE SIGNED

BY 07-Apr-2012

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 W91236-12-R-0022

X 9B. DATED (SEE ITEM 11)

09-Mar-2012

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

07-Apr-2012

CODE

USA ENGINEER DISTRICT, NORFOLK

CONTRACTING OFFICE

803 FRONT STREET

NORFOLK VA 23510-1096

W91236 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

Table 1 AWI Superfund Site, Portsmouth, VA

Stabilization/Solidification (S/S) Treatability Study

Mix Design Summary

Total Average Average Reagent GAC OC Clay H2O Added W:R 7-day 28-day 28-day

Dose1 Dose2 Powder3 Powder4 Powder5 Slurry6 to Soil7 Ratio8 UCS9 UCS9 K10

(%) (%) (%) (%) (%) (%) (%) (--) (lb/in2) (lb/in2) (cm/s) 1 9 8 1 0 0 6 16.68 1.853 31.00 93.0 2.5E-06 yes 2 8.55 8 0.5 0.05 0 4 12.5 1.462 62.20 194.5 9.6E-09 yes 3 9.05 8 1 0.05 0 6 16.68 1.853 48.40 125.6 --- --- 4 9.1 8 1 0.1 0 6 16.68 1.833 47.97 107.7 --- --- 5 10.55 10 0.5 0.05 0 4 12.5 1.185 91.37 159.5 --- --- 6 13.1 12 1 0.1 0 5 20 1.527 71.73 116.4 7.5E-08 yes

C2 8.55 8 0.5 0.05 0 4 12.5 1.462 66.0 6.6E-06 yes 7 9 8 0 0 1 12.5 1.389 79.8 4.0E-06 yes 8 10 8 0 0 2 12.5 1.25 87.7 6.1E-06 yes 9 11 8 0 0 3 12.5 1.136 91.8 4.9E-06 yes 10 12 8 0 0 4 12.5 1.042 130.2 4.5E-07 yes 11 16 12 0 0 4 12.5 0.781 185.5 1.1E-07 yes

1: Reagents added dry to wet weight of soil.

2: Lafarge Type I/II (60%) blended with NewCem (40%).

3: Type: API Section 9.

4: Calgon Granular Activated Carbon; Type (WPH).

5: Organophilic Clay; CETCO PM-199.

6: Max % Bentonite slurry (with pozzolans) to ensure soil mixing.

7: Weight of water added to soil, based on 125 lb/ft3.

8: Water to reagents ratio.

9: Unconfined Compressive Strength (ASTM D1633).

10: Hydraulic Conductivity (ASTM D5084).

Dry Mix Characteristics Slurry Characteristics Mix Properties

ASTM

C1308 Tested

MIX ID

Portland-Slag Bentonite

P h as e

I

Not TestedNot ApplicableP h as e

II

EA Project Number 1453011, Phase A Schnabel No. 09150034.00, Task 76, Phase II Mix Design

E4BRCVAM

Typewritten Text 6 April 2012

E4BRCVAM

Typewritten Text