Am_0004.pdf

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 or (c) By separate letter or electronic communication 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 letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

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

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

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

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

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 is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, 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)

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.

15C. DATE SIGNED

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

16C. DATE SIGNED

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

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

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

Amendment No. 0004

TELLER DAM, FORT CARSON, COLORADO

See attached documentation for content of the amendment changes to RFP

Date for receipt of proposals is 15 APR 2019 at 1400 hours

Government Point of Contact: Ms. Zandra Hearn,Contract Specialist (402) 996-3713

U.S ARMY CORPS OF ENGINEERS, OMAHA DISTRICT

CONTRACTING OFFICE

5475 TECH CENTER DRIVE, SUITE 205

COLORADO SPRINGS, CO 80919

See Item 6

W9128F-19-R-0026

04/03/2019

02/07/2019

04/03/2019

Am #0004 - 2 (Continuation SF 30)

3 April 2019 Solicitation No. W9128F 19 R 0026

Date of Issue: 07 FEB 2019 NEW Date of Receiving Proposals: 15 APR 2019

SUBJECT: Amendment No. 0004 to Request for Proposal Solicitation Package for Construction of TELLER DAM.

TO: Prospective Offerors and Others Concerned

1. The specifications and drawings for subject project are hereby modified as follows (revise all specification indices, attachment lists, and drawing indices accordingly).

a. Specifications (New and/or Revised and Reissued). Delete and substitute or add specification pages as noted below. The substituted pages are revised and reissued with this amendment. For convenience, changes in sections marked with an asterisk below have been identified by underlining (additions) and strikethrough text (deletions). All language in revised sections applies regardless of the accuracy of the identification effort.

Pages Deleted Pages Substituted or Added 00 10 00 00 10 00* 31 09 14 31 09 14* 31 32 23 31 32 23* 31 57 10 31 57 10*

2. This amendment is a part of the proposing papers and its receipt shall be acknowledged. All other conditions and requirements of the request for proposal remain unchanged.

3. Electronic Proposals. Provide proposals via the instructions provided in Section 00 22 00 of the Request for Proposal.

4. Offers will be received until 2:00 p.m., local time at place of receiving proposals, 15 APR 2019.

Attachments:

Specification pages listed in 1.a., above

U.S. Army Corps of Engineers, Omaha District 1616 Capitol Avenue Omaha, Nebraska 68102-4901

3 APR 2019

jlb/2099

00 10 00 - 1

SOLICITATION, OFFER

AND AWARD

(Construction, Alteration, or Repair)

1. SOLICITATION NO.

W9128F-19-R-0026

2. TYPE OF SOLICITATION

SEALED BID (IFB)

NEGOTIATED (RFP)

3. DATE ISSUED

7 FEB 2019

PAGES OF PAGES

IMPORTANT - The "offer" section on the reverse must be fully completed by offeror.

4. CONTRACT NO. 5. REQUISITION/PURCHASE REQUEST NO. 6. PROJECT NO.

7. ISSUED BY CODE CT 8. ADDRESS OFFER TO

U.S.ARMY CORPS OF ENGINEERS, OMAHA

Contracting Division (CENWO-CT) 1616 Capitol Ave Omaha, Nebraska 68102-4901

U.S.ARMY CORPS OF ENGINEERS, OMAHA

Attn: CONTRACTING DIVISION (CENWO-CT) 5475 Tech Center Drive, Suite 205 Colorado Springs, Colorado 80919

9. FOR INFORMATION

CALL:

A. NAME

Zandra Hearn

B. TELEPHONE NO. (Include area code) (NO COLLECT CALLS)

(402) 996-3713

SOLICITATION

NOTE: In sealed bid solicitations "offer" and "offeror" mean "bid" and "bidder".

10. THE GOVERNMENT REQUIRES PERFORMANCE OF THE WORK DESCRIBED IN THESE DOCUMENTS (Title, identifying no., date):

The offeror hereby agrees to do all work described in the documents entitled:

TELLER DAM

FORT CARSON, COLORADO

RETURN WITH OFFER: INFORMATION REQUIRED BY SECTION 00 10 00 (SF1442 AND CLIN PRICING SCHEDULE), SECTION 00 22 00, AND SECTION 00 45 00.

THIS SOLICITATION IS OPEN TO BOTH LARGE AND SMALL BUSINESS PARTICIPATION. AWARD WILL BE MADE TO THE

OFFEROR PROVIDING THE LOWEST-PRICED, TECHNICALLY ACCEPTABLE PROPOSAL.

11. The Contractor shall begin performance within 10 calendar days and complete it within 480 calendar days after receiving award, notice to proceed. This performance period is mandatory, negotiable.

12A. THE CONTRACTOR MUST FURNISH ANY REQUIRED PERFORMANCE AND PAYMENT BONDS?

(If "YES," indicate within how many calendar days after award in Item 12B.)

YES NO

12B. CALENDAR DAYS

13. ADDITIONAL SOLICITATION REQUIREMENTS:

A. Sealed offers in original and *See Block 10 copies to perform the work required are due at the place specified in Item 8 by 1400 (hour) local time 8 15 APR 2019. If this is a sealed bid solicitation, offers must be publicly opened at that time. Sealed envelopes containing offers shall be marked to show the offeror's name and address, the solicitation number, and the date and time offers are due.

B. An offer guarantee is is not required.

C. All offers are subject to the (1) work requirements, and (2) other provisions and clauses incorporated in the solicitation in full text or by reference.

D. Offers providing less than ___90_____ calendar days for Government acceptance after the date offers are due will not be considered and will be rejected.

NSN 7540-01-155-3212 1442-101 STANDARD FORM 1442(REV. 4-85)

Prescribed by GSA FAR(48 CFR) 53.236-1(d)

Am_0004

00 10 00 - 2

14. NAME AND ADDRESS OF OFFEROR (Include ZIP Code) 15. TELEPHONE NO. (Include area code)

DUNS Number:

16. REMITTANCE ADDRESS (Include only if different than Item 14)

CODE FACILITY CODE

17. The offeror agrees to perform the work required at the prices specified below in strict accordance with the terms of this solicitation, if this offer is accepted by the Government in writing within 60 calendar days after the date offers are due.

AMOUNTS

SEE ATTACHED CLIN PRICING SCHEDULE

Contractor’s Fax No. CAGE CODE Contractor’s E-Mail address

18. The offeror agrees to furnish any required performance and payment bonds.

19. ACKNOWLEDGMENT OF AMENDMENTS

(The offeror acknowledges receipt of amendments to the solicitation - give number and date of each)

AMENDMENT NO.

DATE

20A. NAME AND TITLE OF PERSON AUTHORIZED TO SIGN OFFER

(Type or print)

20B. SIGNATURE 20C. OFFER DATE

AWARD (To be completed by Government)

21. ITEMS ACCEPTED:

22. AMOUNT 23. ACCOUNTING AND APPROPRIATION DATA

24. SUBMIT INVOICES TO ADDRESS SHOWN IN

(4 copies unless otherwise specified)

ITEM 25. OTHER THAN FULL AND OPEN COMPETITION PURSUANT TO

10 U.S.C. 2304(c) ( ) 41 U.S.C. 253(c) ( )

26. ADMINISTERED BY CODE 27. PAYMENT WILL BE MADE BY

U.S. Army Engineer District, Omaha 1616 Capitol Ave.

Omaha, Nebraska 68102-4901

USAED Omaha c/o USACE Finance Center 5722 Integrity Drive Millington, TN 38054-5005

CONTRACTING OFFICER WILL COMPLETE ITEM 28 OR 29 AS APPLICABLE

28. NEGOTIATED AGREEMENT (contractor is required to sign this document and return _______ copies to issuing office.) Contractor agrees to furnish and deliver all items or perform all work, requisitions identified on this form and any continuation sheets for the consideration stated in this contract. The rights and obligations of the parties to this contract shall be governed by (a) this contract award,

(b) the solicitation, and (c) the clauses, representations, certifications, and specifications incorporated by reference in or attached to this contract.

29. AWARD (Contractor is not required to sign this document.) Your offer on this solicitation, is hereby accepted as to the items listed. This award consummates the contract, which consists of (a) the Government solicitation and your offer, and (b) this contract award. No further contractual document is necessary.

30A. NAME AND TITLE OF CONTRACTOR OR PERSON AUTHORIZED

TO SIGN (Type or print)

31A. NAME OF CONTRACTING OFFICER (Type or print)

30B. SIGNATURE 30C. DATE 31B. UNITED STATES OF AMERICA

BY

31C. AWARD DATE

STANDARD FORM 1442 BACK (REV. 4-85)

PRICING SCHEDULE

ITEM NO. DESCRIPTION QUANTITY UNIT AMOUNT

BASIC ITEMS

Entire work complete to Install Cutoff Wall, excluding Option item(s) listed below.

Job

Raise Embankment, including Embankment Fill Overbuild

TOTAL BASIC AMOUNT $_____________________________

OPTION ITEMS

[Option 1]

Construct Grout Curtain

[Option 2]

Construct Parapet Wall

[Option 3]

Construct Route 14 Crossing

TOTAL AMOUNT (BASIC PLUS OPTIONS) $_________________________________

NOTES:

1. See SECTION 00 21 00, INSTRUCTIONS, CONDITIONS, & NOTICES TO BIDDERS for evaluation of options. The Government reserves the right to exercise the options within 120 days after issuance of Notice to Proceed.

2. Prices must be entered for all items of the schedule. Total amounts submitted without prices being entered on individual items will be rejected. Additions will be subject to verification by the Government. In case of variation between the Job (lump-sum) prices and the total amount, the lump-sum prices will be considered the price submitted.

3. A modification to a proposal which provides for a single adjustment to the total amounts, should state the application of the adjustment to each respective lump-sum price and unit price affected. If the modification is not so apportioned, the single adjustment will be applied to Item No. 0001.

Teller Dam Repair FCCT

SECTION TABLE OF CONTENTS

DIVISION 31 - EARTHWORK

SECTION 31 09 14

DATA MANAGEMENT SYSTEM

06/18

PART 1 GENERAL

1.1 SCOPE

1.1.1 Secure FTP (sFTP)

1.1.2 On-Going Access To Data For The Duration Of The Project

1.1.3 Data Management Plan

1.1.4 Testing and Verification Measurements And Data Processing

1.1.5 Documentation

1.1.6 Interactive and Static Reports of Data

1.1.7 Tables For Government-Entered Data

1.2 REFERENCES

1.3 SUBMITTALS

1.4 QUALIFICATIONS

PART 2 PRODUCTS

2.1 DATA, REPORTS AND DRAWINGS

2.1.1 Data Ownership

2.2 DATA INTEGRITY

2.2.1 Record Tracking Requirements

2.2.2 Raw Data Requirements

2.2.3 Backups, Archiving And Disaster Recovery

2.3 RECORDS STORED ON SFTP SITE

2.4 DRILLING RECORDS

2.5 FULL SCALE MAP FILE(S)

2.6 REPORTS AND RECORDS

2.7 VERIFICATION TESTING AND DATA

2.8 AS-BUILT DRAWINGS

PART 3 EXECUTION

3.1 DATA GATHERING SYSTEMS

3.2 DATA MANAGEMENT MANUAL AND DATA FILES

-- End of Section Table of Contents --

SECTION 31 09 14 Page 1

SECTION 31 09 14

DATA MANAGEMENT SYSTEM

06/18

PART 1 GENERAL

1.1 SCOPE

The work covered by this section consists of data management and data deliverables required for the construction contract specific to the construction of the cutoff wall and grout curtain. The deliverables for this contract under this section include:

1. Secure FTP site for use during the construction contract period.

2. On-going and timely access to all data generated on the project including; that generated by construction, drilling, backfilling or any other equipment related to construction activities; by any instrumentation or monitoring equipment present on the project; by QA/QC activities including reports, test results, tables, and checklists; or by photographs, video, webcam or other image capturing devices.

3. A "Data Management Plan" submitted to Contracting Officer prior to start of construction and updated at least every 6 months during the duration of the contract.

4. Locations of and images from CCTV video, optical televiewer, and borehole imaging; and instrumentation monitoring data from piezometer and inclinometer.

5. Measurements and processed data during the construction.

6. Field reports and any other reporting required by specifications.

1.1.1 Secure FTP (sFTP)

A secure FTP (file transfer protocol) site shall be set up and maintained by the Contractor for the duration of the project and all data stored on that site shall be accessible to the Government during the duration of the contract. This sFTP site will be used to house all raw data, documents, drawings, photographs, images, supporting documentation, PDF (portable document format), Microstation drawings, boring records, scans and other documents/data created on the project. All submittals shall be maintaine on the sFTP site for the duration of the contract. sFTP site shall be established and the Government provided access to the site no later than 30 days after notice to proceed has been issued.

1.1.2 On-Going Access To Data For The Duration Of The Project

The Contractor shall maintain COR access to project data for the duration of the project and shall submit, in their data management plan, an updated schedule for any data generated at the site. The secure FTP site shall be available to COR and other required Government personnel at all times. The COR and other required Government personnel shall have unlimited access to view and analyze data. Current firewall rules within the Government

SECTION 31 09 14 Page 2 specifically disallow push updates of software/data onto Government servers. The Contractor shall maintain access of Contracting Officer personnel to data such that updates and information can be downloaded or accessed by electronic means initiated by the user (e.g. downloading information from an sFTP site) unless the Contractor requests and is granted a special exemption.

New data as noted in project specifications shall be available to the Government via the sFTP. Raw data shall be uploaded as specified in paragraph Raw Data Requirements. Access to static documents (e.g. PDF's, JPG, etc.) shall be accomplished through storage of these documents on the sFTP.

Real time access to geotechnical instrumentation data (e.g. piezometers and inclinometers) shall be maintained. This data shall be accessible by the Government through the use of a secure web interface in map, table and graph forms.

1.1.3 Data Management Plan

Contractor shall submit a comprehensive "Data Management Plan" to the Contracting Officer for approval 30 days prior to start of construction activities. This plan shall be updated at least every month during the duration of the construction of the cutoff wall and grout curtain and shall include:

1. The Data Management Plan shall show how data from the sources flows into data storage methods (e.g. sFTP site), what storage methods are used and how the stored data will be accessed using system tools and components.

2. A data sources table - this table shall describe the format of the data, the data generation method and the data transfer method to the Government accessible tools and software.

3. Data quality and verification methods, including chain of custody records and metadata as well as control of raw and processed data.

Input procedures for all data shall be included, data review steps shall be described and QC procedures of the data shall be detailed.

4. Organization of Files on the sFTP site.

5. Government Access to sFTP. This shall include appropriate addresses, log-in/passwords, port and software needed to access the data.

6. Backup, archiving and disaster recovery plan for data and data systems.

1.1.4 Testing and Verification Measurements And Data Processing

All methods proposed by the Contractor, or required in the contract specifications for monitoring and evaluating the cutoff wall and grout curtain, and data shall be submitted as described in SECTION 31 32 23

FOUNDATION DRILLING AND GROUTING, SECTION 31 57 10 CUTOFF WALL EXCVATION,

SECTION 31 57 11 VERIFICATION AND ACCEPTANCE OF CUTOFF WALL, and other associated sections. The Contractor shall submit a detailed description, name, manufacturers' name, specifications, sample outputs and sample Microsoft Excel compatible data files generated by methods or monitoring systems. All software products used to control or process the data shall be

SECTION 31 09 14 Page 3 named and specifications provided. Any proprietary software required for analysis shall be identified. Plan for conversion of any proprietary data file to non-proprietary (or commonly available software) files shall be included in the Data Managment Plan.

1.1.5 Documentation

The documentation may be stored on non-Government servers for the duration of the contract, provided that access to the data as specified by this section is maintained. All changes to management and submission of data shall be submitted to the COR in the Data Management Plan or the Addenda to that plan. At completion of the project, and before final demobilization, the final documentation shall be turned over to the COR along with data (including table names, all field names, which fields are located in which tables and relationships between these tables). This final document shall be taken, added to and updated as necessary from the Data Management Plan.

Queries, summary tables or other data processing used to present the data to the Government shall be documented.

Any formula used to calculate values or automatically assign categories (e.g. Pass or Fail based on a number or criteria from another field) shall be documented. File structure shall be clearly documented and shall follow organizational rules established for storage of data on the sFTP site.

1.1.6 Interactive and Static Reports of Data

Contractor shall place all reports on sFTP. These reports shall include, but not be limited to all records and reports required in project specifications.

1.1.7 Tables For Government-Entered Data

The Contractor shall establish data entry tables for the Government through a sFTP for the Government to enter data for the project (e.g. Assessment of concrete and quality in the cutoff wall, verification coring and testing data, groutain pressure testing and grout takes, etc.) If a direct connection is not used, the Contractor shall upload Government data to maintain and distribute this data through the data management system no later than 48 hours after the Government enters the data. This will include QA data and analysis of test results, checklists or qualitative assessments of project data.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

U.S. ARMY CORPS OF ENGINEERS (USACE)

ERDC/ITL TR-12-6 (2012) A/E/C CAD Standard - Release 5.0

USACE A/E/C A/E/C CAD Standards, Most Current Release https://cadbimcenter.erdc.dren.mil/

1.3 SUBMITTALS

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

submittals not having a "G" designation are for information only. When

SECTION 31 09 14 Page 4 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-01 Preconstruction Submittals

Data Management Plan; G, DO

Within 30 days prior to the start of construction activities;

before setting up final architecture of the file structure on the sFTP site, the Contractor shall submit a comprehensive plan for management of all the various data collected throughout this contract. The plan shall include all sections and information detailed in this Section.

Test Measurements And Data Processing; G, DO

The Contractor shall submit all methods proposed for monitoring, evaluating and verifying the cutoff wall and grout curtain.

SD-07 Certificates

Field Data Manager; G, DO

The Data Manager and Instrumentation Data Manager must be approved by the Contracting Officer before any instrumentation reading payments will be released.

SD-11 Closeout Submittals

Data Management Manual and Data Files; G, DO

A final submittal incorporating data files and a final Data Management Manual incorporating all the sections from the Data Management Plan shall be submitted.

1.4 QUALIFICATIONS

The Field Data Manager shall be a geologist or geotechnical engineer with a four year degree from an accredited University. The Field Data Manager shall have a minimum of 5 years experience in data management, and deep foundation construction experience. At the discretion of the Contractor, the Field Data Manager is allowed to be assigned other duties.

PART 2 PRODUCTS

2.1 DATA, REPORTS AND DRAWINGS

Provide Data Management Plan describing the architecture of the file structure on the sFTP site, the Contractor shall submit a comprehensive plan for management of all the various data collected throughout this contract. The plan shall include all sections and information detailed in this Section.

2.1.1 Data Ownership

All data generated by construction of the project shall be considered to be the property of Government. If the Contractor has specific data, judged by the Contractor to be proprietary, that does not affect the Contracting

SECTION 31 09 14 Page 5

Officer's ability to monitor construction, monitor the effects of construction, analyze the project, monitor risks at the project, to analyze the effectiveness of construction or to analyze the effectiveness of construction techniques, the Contractor may submit a request to the Contracting Officer to eliminate that data source from reporting requirements in this section or request signed confidentiality agreements.

No data source shall be exempt from these data requirements unless a specific exemption is granted by the Contracting Officer.

2.2 DATA INTEGRITY

The Contractor is required to maintain integrity of data such that records are accurate, internally consistent, that all data and records reflect the quality of the data gathered on the site, and that all data is preserved and archived for future use.

2.2.1 Record Tracking Requirements

Each record entered into the EDB or stored on the sFTP site shall be stamped such that the source, status, ownership and degree of validation

1. Source of the record (e.g. laboratory information, sample ID, instrument name, name and affiliation of observer/tester/data gatherer).

2. Organization generating the data (e.g. Government, Contractor, Contractor Laboratory).

3. Date and Time where data was created (e.g. when sample was taken, start and stop time of drilling, when observation was made).

4. Date and Time where data was entered into the system and name of individual entering the data.

5. Date/time where any data in the system was modified, name of the database manager who made the edit and reasons for the edit (e.g. where laboratory testing data is appended to a sample record).

6. Date/time where data in the system received QC or QA certification.

7. Name of QA/QC certifier.

8. Location of data in three dimensions, relatable to X, Y and Z coordinates where Z is elevation for all data that can be spatially located (e.g. cutoff wall and chimney filter secant piles locations, verification boring locations, and top and bottom of concrete and soil samples taken).

9. Reference to any digital or paper based chain of custody records associated with the data.

2.2.2 Raw Data Requirements

The Contractor shall submit raw data files for any data gathering system used on the project. These files, if not readable directly as a tab delimited ASCII file, as a CSV file or readable by MS Excel shall also be provided in a format readable by the current version (at the time of the contract) of MS Excel. To the extent possible, the Contractor shall use data gathering systems that will generate "non-proprietary" or industry standard format data files readable in ASCII, CSV or with MS Excel. All

SECTION 31 09 14 Page 6 data columns shall be labeled and metadata provided to the Contracting Officer including units, any formulae used to calculate the data or any criteria used to generate the data.

The Contractor shall be responsible for submitting all raw data within 24 hours of data collection to the COR via the sFTP site. This includes all data collected. Where these files as generated are not directly readable by Excel, Contractor shall also submit raw data to Contracting Officer via MS Excel with column headings and metadata provided.

2.2.3 Backups, Archiving And Disaster Recovery

Contractor is responsible for all data records such that any chance for data loss is minimized. The Contractor shall address backups, archiving and disaster recovery plans in the Data Management Plan submittal. The Contractor shall be responsible for re-generating lost data. Any data which is re-generated from a non-primary source shall be clearly noted in the record. In no case shall data be stored such that it remains without a backup for any more than 24 hours. Should a data loss occur, even if it is within this 24 hour window, Contractor shall be responsible for all steps necessary to recover from this data loss and shall receive no additional payment for these data recovery efforts.

2.3 RECORDS STORED ON SFTP SITE

The Contractor shall set up, maintain and update the sFTP site as required by these specifications for the length of the contract. Upon completion of the contract, DVD's containing all of the data and documents posted on the sFTP site during the contract shall be delivered to the Contracting Officer. An index of all files, as specified in this section shall be provided along with these DVD's. Any file structure needed to maintain hyperlinks or references from the EDB or the spatial access tools shall be documented and this information supplied with the DVD's. All "As-built" and "progress drawings" shall be stored on the sFTP and delivered to the COR.

2.4 DRILLING RECORDS

Contractor shall set up, maintain and update a Boring Database in gINT (v.8 or later) for all borings on the project, including but not limited to cutoff wall excavation holes, grout curtain drill holes, verification boring, piezometers, and inclinometers. After data entry and quality control verification, drilling logs shall be printed in Adobe PDF format using ENG Form 1836A, or other drilling log approved by the COR, using the gINT data template supplied by the COR to the Contractor. These PDF logs shall be uploaded to the sFTP site.

2.5 FULL SCALE MAP FILE(S)

Contractor shall create, update and maintain (an) electronic map file(s) (e.g. PC15DM_DM-C.dgn Design Master Model for MicroStation) readable by the full scale MicroStation program specified in the Data Management plan.

Views of data shall be in both plan view and section. All tables, databases, shape files, background layers or CAD layers visualized in the MicroStation shall be added as layers within this map file. Upon completion of the contract, a complete electronic map file or series of map files shall be documented and delivered to the Contracting Officer.

Drawings shall be produced utilizing English units of measurement. Drawings shall be produced in accordance with ERDC/ITL TR-12-6 and USACE A/E/C USACE

SECTION 31 09 14 Page 7

A/E/C CAD Standard. Drawings shall be produced utilizing CADD software Bentley's MicroStation Version V8i or newer or AutoCad Version 2012 or newer. Written documentation of the electronic data including listings of all: Sheet (printed) Files w/Reference (Xref'd) files attached, Model and Support Files (word, excel, raster) and Non-Compliant AEC CADD Standard Layer Names for each drawing, shall accompany each electronic file submittal. The Contractor shall maintain one set of CADD files on file during the construction phase. These files are to be available in accordance with the Data Management specification and Construction Close-out Submittal/As-Built submittal specification. Upon completion of work, electronic files and documentation shall become the property of the Government.

2.6 REPORTS AND RECORDS

The Contractor shall create, maintain and update records for the project.

All data shall be provided daily or as requested by the Contracting Officer. However, the secant pile profiles shall be provided weekly. These records shall be supplied in:

1. Raw Data/Appended Raw Data format (as specified in paragraph Raw Data Requirements)

2. Graphs - Included in PDF documents, may also be included in Appended Raw Data.

3. Progress and Final "As-built" drawings shall be provided in an Adobe PDF and as specified in SECTION 31 57 10 CUTOFF WALL EXCAVATION. As built drawings summary plots may be generated either by Microstation or AutoCadd programs. These shall be colored as noted above and follow formatting rules from ERDC/ITL TR-12-6. An electronic copy of the Microstation or AutoCadd files used to generate and print this summary plot shall also be provided.

The Contractor shall produce weekly, graphical outputs of all data collected and images captured from the optical televiewer and cameras.

2.7 VERIFICATION TESTING AND DATA

The Contractor shall produce weekly, graphical outputs of all verification testing and data collected and images captured from the CCTV video camera, optical televiewer, borehole imaging camera, and any other required testing or measurements for the cutoff wall and grout curtain and store on the sFTP. This shall include individual and grouped plots of all specific types of project measurement and verification testing. Groups will be provided to the Contractor by the COR.

2.8 AS-BUILT DRAWINGS

Drawings showing the progress of each feature (cutoff wall and grout curtain) shall be completed weekly. Actual location of the feature in space shall be displayed, in plan and section views, and overlap between secant piles shall be visualized in a Microstation or AutoCadd drawing as a separate layer. Sections of features taken at 30 foot intervals of the actual location of all features shall be shown in plan view such that they are located correctly in space. These plan view section cuts of the features shall also include a section at the soil-rock interface and at the bottom. The section cuts at depths shall be placed in layers by depth that can be turned on and off by the user separately such that user can look at

SECTION 31 09 14 Page 8 section cuts of all completed features at some specified depth individually.

PART 3 EXECUTION

3.1 DATA GATHERING SYSTEMS

The Contractor shall submit Test Measurements And Data Processing to include all methods proposed for monitoring, evaluating and verifying the cutoff wall and grout curtain. All data gathering and recording systems to be used for data that is to be displayed in Microstation or AutoCadd, included in the boring database, or used for documentation placed on the sFTP site shall be described in the Data Management Plan. The data recording and gathering software and hardware shall be identified (e.g.

make, model, version and manufacturer). Any proprietary analysis software required to process the data shall be identified and Contractor shall provide the COR access to this proprietary software at the job site. Sample raw data output, and converted to Excel readable raw data output where necessary, shall be provided.

3.2 DATA MANAGEMENT MANUAL AND DATA FILES

A final submittal incorporating data files and a final Data Management Manual incorporating all the sections from the Data Management Plan shall be submitted. All data described herein to the end of the contract shall be submitted.

-- End of Section --

SECTION 31 09 14 Page 9

DIVISION 31 - EARTHWORK

SECTION 31 32 23

FOUNDATION DRILLING AND GROUTING

08/08

PART 1 GENERAL

1.1 SUMMARY

1.2 REFERENCES

1.3 DEFINITIONS

1.3.1 Zone

1.3.2 Section

1.3.3 Stage

1.3.4 Stop

1.3.5 Split Spacing

1.3.6 Grout Hole and Exploratory Primary Grout Hole

1.4 SUBMITTALS

1.5 DELIVERY, STORAGE, AND HANDLING

1.6 PROJECT/SITE CONDITIONS

PART 2 PRODUCTS

2.1 GROUTING MATERIAL

2.1.1 Water

2.1.2 Cement

2.1.3 Pozzolans

2.1.4 Admixtures

2.1.5 Fluidifier

2.1.6 Bentonite

2.1.7 Sand

PART 3 EXECUTION

3.1 EQUIPMENT

3.1.1 General

3.1.2 Drilling Equipment

3.1.3 Grouting and Water Testing Equipment

3.1.4 Optical Televiewer (OPTV)

3.2 GROUT HOLES

3.2.1 Grout Hole Drilling

3.2.2 Completion of Grouting

3.2.3 Exploratory Hole Drilling

3.3 PROCEDURES FOR DRILLING AND GROUTING

3.3.1 General

3.3.2 Stage Grouting

3.3.2.1 Primary Exploratory Grout Holes

3.3.2.2 Successive Holes

3.3.2.3 Completion of Section

3.3.3 Stop Grouting

3.3.4 Pressure Washing and Pressure Testing

3.3.5 Stage Grouting Procedures

SECTION 31 32 23 Page 1

3.3.5.1 First Stage

3.3.5.2 Second Stage

3.3.6 Stop Grouting Procedures

3.3.6.1 Stop Grouting of Grout Holes

3.3.6.2 Grouting of Existing Exploratory Holes

3.3.7 Grouting Pressures

3.3.8 Grouting

3.3.8.1 Grout Mixes

3.3.8.2 Grout Injection

3.3.8.3 Backfilling of Holes

3.3.8.4 Equipment Arrangement and Operation

3.3.8.5 Protection to Work and Cleanup

3.3.9 Records

3.3.10 Communications

-- End of Section Table of Contents --

SECTION 31 32 23 Page 2

SECTION 31 32 23

FOUNDATION DRILLING AND GROUTING

08/08

PART 1 GENERAL

1.1 SUMMARY

a. This section covers drilling, washing and pressure testing exploratory primary grout holes and all other grout holes; making grout connections; furnishing, handling, transporting, storing, mixing and injecting the grouting materials; backfilling holes; care and disposal of drill cuttings, waste water and waste grout; clean up of the areas upon completion of the work and all other such operations are incidental to the drilling and grouting. The work contemplated consists of constructing a grout curtain, the approximate locations, limits, and details which are indicated on the drawings. Perform Government preconstruction sampling and testing as specified below:

b. Perform sampling and testing of sand, cementitious materials, and admixtures in accordance with Section 03 30 53 CAST-IN-PLACE CONCRETE.

c. Perform sampling and testing of grout materials in accordance with this specification Section and Section 03 30 53 CAST-IN-PLACE CONCRETE.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM C136/C136M (2014) Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates

ASTM C150/C150M (2017) Standard Specification for Portland Cement

ASTM C494/C494M (2017) Standard Specification for Chemical Admixtures for Concrete

ASTM C618 (2012a) Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

ASTM C70 (2013) Standard Test Method for Surface Moisture in Fine Aggregate

ASTM C91/C91M (2012) Standard Specification for Masonry Cement

ASTM C937 (2016) Grout Fluidifier for Preplaced-Aggregate Concrete

SECTION 31 32 23 Page 3

API RP 13B-1 Recommended Practice For Field Testing Water-Based Drilling Fluids

U.S. ARMY CORPS OF ENGINEERS (USACE)

COE CRD-C 100 (1975) Method of Sampling Concrete Aggregate and Aggregate Sources, and Selection of Material for Testing

1.3 DEFINITIONS

1.3.1 Zone

A zone is a partial depth of curtain based on the depth that fractures are identified in the exploratory primary grout holes. No predetermined depths will be used and each zone will be established by the Contracting Officer's Representative based on the location of major fractures and joints that are observed in the exploratory primary grout holes. These fracture locations will be projected to other grout holes to establish the zones as needed to facilitate filling them with grout from the bottom up. All grouting in a given zone and section shall be finished before work is started in the next higher zone.

1.3.2 Section

A section is a reach along the grout curtain, not more than 40 feet in length in which grouting operations will not be permitted at the same time that drilling is in progress. Insofar as practicable, the grout curtain will be subdivided into sections in a manner which will facilitate the Contractor's operations and not cause harm to grouting already injected into open joints and fractures. No drilling will be allowed through any portion of an open joint or fracture which is being grouted or in which the grout has not reached final set.

1.3.3 Stage

A stage is one complete operational cycle of drilling, cleaning, pressure washing, pressure testing, pressure grouting, and grout cleanout within a zone. It may also refer to a discreet length of the grout hole used for the purposes of defining a water pressure testing and grouting interval that is isolated with a packer. The actual depth and length of a stage depends upon geologic conditions encountered in drilling. It may vary from a fraction to the full depth of the zone or grout curtain, and may be marked by the loss or gain of drill water in appreciable amounts. If no significant loss or gain of drill water is observed, drilling will continue to the bottom of the curtain, and upstage grouting will be done in stages, the length of which will be determined by the Contracting Officer's Representative, but will typically not exceed 20 to 30 feet. If a significant loss or gain of drill water is observed, the Contracting Officer's Representative, at their discretion may require down stage drilling and grouting. Upstage grouting is anticipated even if some loss or gain of drill water is encountered so that the objective of filling the open cracks with grout from the bottom up is achieved.

1.3.4 Stop

A stop is a depth at which the expanding plug or packer is positioned based on the results of exploratory drilling and Optical televiewer images.

SECTION 31 32 23 Page 4

1.3.5 Split Spacing

Split spacing is the procedure of locating an additional grout hole midway between two previously drilled and grouted holes.

1.3.6 Grout Hole and Exploratory Primary Grout Hole

Grout Hole generally refers to all holes in which grout will be injected, and may or may not include exploratory primary grout holes, depending on the context. Exploratory primary grout hole refers specifically to those grout holes that will be core drilled, water pressure tested and imaged with an optical televiewer on the primary hole spacing of 20 feet horizontally for the purpose of locating subsurface joints and fractures

1.4 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-03 Product Data

Drilling Equipment; G, AE Water Tank; G, AE Optical Televiewer; G, AE Grouting and Water Testing Equipment; G, AE Grout Plant; G, AE Grouting Material; G, AE Project Record Documents; G, DO Drill Logs; G, DO Water Pressure Testing And Grouting Logs For Each Stage; G, AE

1.5 DELIVERY, STORAGE, AND HANDLING

Deliver all materials in original, unopened, undamaged packages or containers, or approved bulk handling equipment, with manufacturer's brand name and contents clearly identified. Protect materials against moisture.

Store materials under cover and off the ground in well-ventilated areas, not exposed to extreme changes of temperature or humidity. Prevent deterioration or intrusion of foreign substances. Keep materials dry until ready for use. Protect metal components from rusting.

A sufficient quantity of cement shall be stored at or near the site of the work to insure that grouting operations will not be delayed by shortage of cement. In the event the cement is found to contain lumps or foreign matter of a nature and in amounts which, in the opinion of the Contracting Officer's Representative, may be deleterious to the grouting operations, screening through a standard 100 mesh screen may be required or may be completely rejected. No payment will be made for such screening.

1.6 PROJECT/SITE CONDITIONS

The program shown and described is based on currently available information. Conditions encountered during construction may require additions or deletions. The grouting program shall not be modified or

SECTION 31 32 23 Page 5 curtailed as a construction expediency. It is a required part of design and shall not become secondary to any time or scheduling restrictions.

Grouting mixes, pressures, injection rate and the sequence in which the holes are drilled and grouted will be determined or modified in the field and shall be as directed by the Contracting Officer's Representative.

PART 2 PRODUCTS

2.1 GROUTING MATERIAL

Provide grout composed of water and cement, pozzolans, admixtures, and fillers. The grout mixes will be designed by the Contracting Officer's Representative and will be varied to meet the characteristics of each hole as determined by conditions encountered. The various materials to be furnished shall conform to the specifications listed in paragraphs below.

2.1.1 Water

Water suitable for use in the work will be furnished by the Government. It shall be the responsibility of the Contractor to provide any necessary connections and extensions to the Government supply line shown.

2.1.2 Cement

Cement used in grout shall conform to the requirements of ASTM C91/C91M and ASTM C150/C150M Type I or Type I/II. The use of bulk cement will be permitted provided the Contractor employs methods of handling, transporting, and storage that are satisfactory to the Contracting Officer's Representative, otherwise only cement furnished in cloth or paper bags will be accepted to use in the work. Storage of cement shall be in accordance with paragraph DELIVERY, STORAGE, AND HANDLING.

2.1.3 Pozzolans

Pozzolans shall be fly ash conforming to ASTM C618 Class F. Sampling will be done by an authorized representative of the Government. All tests will be made by and at the expense of the Government. Pozzolans may be furnished in paper sacks or in bulk. It shall be transported, handled, and stored so as to avoid damage, waste, or absorption of moisture.

2.1.4 Admixtures

Admixtures shall be added to the grout immediately before or during its mixing and will consist of approved accelerators, water reducers, and fluidifiers.

2.1.5 Fluidifier

Fluidifier shall be a compound possessing characteristics which will increase the flowability of the mixture, assist in dispersal of the cement grains, and neutralize the setting shrinkage of the grout. The quality of the material shall meet the requirements specified in ASTM C937. Water reducers (plasticizers) shall meet the requirements of ASTM C494/C494M, Type F HRWRA (high-range water reducing admixture) unless otherwise approved.Sampling of fluidifier and Water Reducer shall be done by an authorized representative of the Contracting Officer's Representative.

Trial mixtures should be tested prior to using the materials in field work. All tests will be made by and at the expense of the Government.

Fluidifier shall be furnished in moisture-resistant paper sacks shipped in

SECTION 31 32 23 Page 6 sealed containers and shall be handled and stored so as to avoid absorption of moisture, damage or waste. Material which has become caked due to moisture absorption will be rejected.

2.1.6 Bentonite

Bentonite shall be sodium (Na) cation, powdered montmorillonite. It shall be added to the cement grout 2 percent to 5 percent by weight of cement.

The percentage shall be adjusted as directed by the Contracting Officer's Representative. A separate colloidal bentonite mixer is required to mix the bentonite and water to ensure fully dispensing and hydrating the bentonite before adding to the grout mixer. The bentonite shall be handled and stored so as to avoid absorption of moisture, damage, or waste.

Bentonite which has become caked due to moisture absorption will be rejected. A sufficient quantity of bentonite shall be stored at or near the site of the work to insure that grouting operations will not be delayed by shortage of bentonite.

2.1.7 Sand

a. Sand for grout shall be clean and consist of hard, tough, durable, uncoated particles with no more than 5 percent passing the No. 200 sieve. The shape of the particles shall be generally rounded or cubical. The sand shall be generally well graded from fine to coarse in accordance with ASTM C136/C136M with 100 percent passing the No. 8 sieve.

b. Subject the sand to such tests as are necessary to determine its acceptability. Perform sampling of sand in accordance with the applicable sampling provisions contained in COE CRD-C 100 or as directed. Unless otherwise directed, all test samples shall be taken under the supervision of the Contracting Officer's Representative and shall be delivered to a designated point, at the expense of the Contractor, at least 147 days in advance of the time when sand will be required at the site of work. All tests shall be made by the Contractor at its expense. The tests to which the sand will be subjected will include specific gravity, absorption, soundness in magnesium sulfate, petrographic analyses, and any other tests that are necessary to demonstrate that grout of adequate durability can be produced.

c. The percentage of surface moisture in terms of the saturated surface-dried sand will be determined in accordance with ASTM C70, or other method giving comparable results.

d. Store sand in such a manner as to avoid the inclusion of any foreign materials in the grout. All sand shall remain in free draining storage for at least 72 hours prior to use.

PART 3 EXECUTION

3.1 EQUIPMENT

Submit details and data on the drilling and grouting equipment.

3.1.1 General

All drilling and grouting equipment used shall be of a type, capacity and mechanical condition suitable for performing the work, as determined by the

SECTION 31 32 23 Page 7

Contracting Officer's Representative. The power and equipment and the layout thereof shall meet all applicable requirements of local, State, and Federal regulations and codes, both safety and otherwise.

3.1.2 Drilling Equipment

Standard drilling equipment of the rotary or rotary percussion type shall be used to perform the drilling as specified in paragraphs GROUT HOLE DRILLING, and EXPLORATORY HOLE DRILLING. Use water for removing cuttings from the hole during drilling operations. Supplies shall include all bits, drill rods, tools, casing, piping, pumps, water, and power to accomplish the required drilling. All drilling rigs and pumps will be equipped with pressure gages.

3.1.3 Grouting and Water Testing Equipment

The grout plant shall be capable of supplying, mixing, stirring and pumping the grout and additives, to the satisfaction of the Contracting Officer's Representative. Submit a detailed plan showing equipment and grout plant layout proposed for mixing and placing grout. The plant shall have a minimum capacity of 3 cfm of grout injected at a pressure not greater than 150 psi. It shall be maintained at all times and any grout hole that is lost or damaged due to mechanical failure of equipment or inadequacy of grout supply shall be replaced by another hole, drilled by the Contractor, at its expense. The amount of grouting equipment shall be as necessary to perform the work specified herein. The type to be furnished shall include the following:

a. A progressive cavity pump capable of passing particles up to a top size of 0.125 inches, generating pressures up to 80 psi and pumping a maximum of 10 cfm. In no case will the pump be separated by more than 100 feet of grout line from the header of a hole being grouted.

b. A colloidal type grout mixer having a minimum drum capacity of approximately 15 cubic feet with a mix batch of 15 cubic feet. Mixing time shall be approximately 180 seconds per batch.

c. A separate colloidal mixer for mixing and hydrating bentonite.

d. A mechanically agitated holding Water Tank having a minimum capacity of 25 cubic feet.

e. A circulating grout header with control valves and a pressure gage with protector. Control valves shall be connected to the return line and header. The header shall be joined directly to the riser pipe at the hole by means of a quick connector union.

f. A water storage tank or suitable source of clean auxiliary water for use in drilling, washing, pressure testing and flushing operations.

g. A water meter graduated in cubic feet and tenths having a direct reading totalizer and capable of conveniently being set back to zero.

h. Such valves, packers, pressure gages, pressure hose, supply lines, and small tools as may be necessary to provide a continuous supply of grout at accurately controlled pressures as specified.