Amendment_0007_HHD_Cutoff_Wall_17R0008_.pdf

W32CS570057098

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

Herbert Hoover Dike Rehabilitation Project, Reach 1 Cutoff Wall Extension, Palm Beach County, Florida

This Amendment is being issued to:

Delete Section 33 24 15 VIBRATING WIRE PIEZOMETERS, and insert the attached Section 33 24 15 VIBRATING WIRE PIEZOMETERS.

All other conditions remain unchanged.

1. CONTRACT ID CODE PAGE OF PAGES

J 1

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

16C. DATE SIGNED

BY

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 W912EP-17-R-0008

X 9B. DATED (SEE ITEM 11)

18-Apr-2017

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

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 Offer is extended, 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

02-June-2017

CODE

USA ENGINEER DISTRICT, JACKSONVILLE

CONTRACTING DIVISION

701 SAN MARCO BLVD

JACKSONVILLE FL 32207-8175

W912EP 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

XX

HHD Rehabilitation Project, Reach 1 Cutoff Wall W912EP-17-R-0008 Extension, Palm Beach County, Florida

SECTION TABLE OF CONTENTS

DIVISION 33 - UTILITIES

SECTION 33 24 15

VIBRATING WIRE PIEZOMETERS

PART 1 GENERAL

1.1 SCOPE

1.2 SUBMITTALS

1.3 INSPECTION COORDINATION

1.4 DELIVERY, STORAGE, AND HANDLING

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Stainless Steel Tag

2.2 EQUIPMENT

2.2.1 Electronic Vibrating Wire Piezometers

2.3 CALIBRATION

2.4 MAINTENANCE

PART 3 EXECUTION

3.1 GENERAL

3.2 INSTRUMENT LOCATIONS AND TIP ELEVATIONS

3.3 DATA COLLECTION

3.4 INSTALLATION

-- End of Section Table of Contents --

SECTION 33 24 15 Page 1 Amendment 0007

SECTION 33 24 15

VIBRATING WIRE PIEZOMETERS

PART 1 GENERAL

1.1 SCOPE

This section covers furnishing and installing automated vibrating wire piezometers in existing open stand pipe piezometers as shown. Modify existing piezometers by providing 5'x5'x6" concrete pad(s), pull box(s), conduit(s) for cable, bollard(s), RTU box(s) with bollards, and appurtenances associated with and incidental to automating and protecting existing piezometers. Existing piezometers may have an existing concrete apron and/or bollard(s) around them . If existing concrete apron and/or bollard(s) are present, that shall be remove d the apron and/or bollard and install ed new as shown and referenced above. Replace damaged piezometers as shown and specified. Sequencing of this work is the responsibility of the Contractor.

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-07 Certificates

Notification

Notify the Contracting Officer as indicated in paragraph INSTRUMENT LOCATIONS AND TIP ELEVATIONS prior instrument installation.

1.3 INSPECTION COORDINATION

The Contractor shall provide access to the work for the Government and its authorized representatives as requested for inspection. The Contractor shall provide 48 hours notice of its intention to begin new installation activities.

1.4 DELIVERY, STORAGE, AND HANDLING

The Contractor shall provide to the Government the manufacturer's warranty for all applicable equipment.

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Stainless Steel Tag

A stainless steel tag shall be affixed to the lid of the pull box placed

SECTION 33 24 15 Page 2 Amendment 0007 over each open standpipe piezometer. The tag shall be sufficient in size to have the information indicated below engraved on it. The Contractor shall supply the tag with the engraving. The engraving shall consist of the following:

Instrument ID

El. of Ground ##.#

N ## O ##.###'

W ## O ##.###'

Date Installed ##-##-##

Depth of Sensor below TOC ##'

The identification plate from the original well pad shall be moved to the new well pad .

2.2 EQUIPMENT

2.2.1 Electronic Vibrating Wire Piezometers

Each vibrating wire piezometer supplied shall meet the following requirements:

Maximum Pressure Range 350 kPa

Over Range 2 x F.S.

Resolution 0.025 percent F.S. (minimum)

Accuracy plus/minus 0.1 percent F.S.

Operating Temperature Range -20 to +80 degrees Celsius

2.3 CALIBRATION

Factory-calibration curves are required for each vibrating wire piezometer, including individual gage factor, temperature correction factor, and barometric pressure at time of calibration.

2.4 MAINTENANCE

Maintain all electronic components prior to installation within weather tight, ventilated structures. Protect all instruments from lightning induced surges during construction. Immediately repair or replace any major damage to installations in progress, or installations completed.

PART 3 EXECUTION

3.1 GENERAL

The Contractor shall furnish all labor, tools, materials, and equipment necessary for installation of instrumentation. All instrumentation shall be installed in accordance with drawings in a neat workmanlike manner.

SECTION 33 24 15 Page 3 Amendment 0007

3.2 INSTRUMENT LOCATIONS AND TIP ELEVATIONS

Place each vibrating wire sensor at the respective location and tip elevation given on the drawings.

3.3 DATA COLLECTION

Data collection shall be done in accordance with Section 13 50 00

INSTRUMENTATION (GENERAL).

3.4 INSTALLATION

Installation of each vibrating wire sensor shall be per the manufacture's recommendations.

-- End of Section --

SECTION 33 24 15 Page 4 Amendment 0007