Amend-0005_W912HY19R0004.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

Corpus Christi Ship Channel, Texas Entrance Channel in Nueces and Aransas Counties, Texas Jetty Repairs is hereby amended as follows:

Continued on Page 2.

US Army Corps of Engineers Galveston Disrict 2000 Fort Point Road, PO Box 1229 Galveston, Texas 77553-1229

See Item 6

W45VAK83469757

W912HY19R0004

45335708/08/2019

M3ODXMAN

Text Box

M3ODXMAN

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W912HY19R0004

A0005-2

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

1. THE SPECIFICATIONS FOR SOLICITATION NO. W912HY19R0004, CORPUS CHRISTI

SHIP CHANNEL, TEXAS, ENTRANCE CHANNEL IN NUECES AND ARANSAS

COUNTIES, TEXAS, JETTY REPAIRS, ARE HEREBY AMENDED AS FOLLOWS:

a) Specifications.

(1) Responses to ProjNet questions – Responses to ProjNet questions begin on next page.

(2) SECTION 01 22 00.10, MEASUREMENT AND PAYMENT – The enclosed (2) SECTION 01 22 00.10 entitled MEASUREMENT AND PAYMENT supersedes that issued with this Solicitation.

(3) SUBMITTAL REGISTER – The enclosed SUBMITTAL REGISTER supersedes that issued with this Solicitation.

(4) SECTION 02 21 00.10 45, CONSTRUCTION SURVEYING – The enclosed SECTION 02 21 00.10 45 entitled CONSTRUCTION SURVEYING supersedes that issued with this Solicitation.

(5) SECTION 03 31 00.00 45, CONCRETE FOR JETTY WALKWAY– The enclosed SECTION 03 31 00.00 45 entitled CONCRETE FOR JETTY WALKWAY supersedes that issued with this Solicitation.

(6) SECTION 35 31 19, STONE FOR CCSC JETTY REHABILITATION PAYMENT – The enclosed SECTION 35 31 19 entitled STONE FOR CCSC JETTY REHABILITATION PAYMENT supersedes that issued with this Solicitation.

b) Drawings.

(1) DRAWINGS NO. G-002, C-501, C502, AND C-503 – The enclosed DRAWINGS NO. G- 002, C-501, C502, and C-503 supersede that issued with this solicitation.

2. This amendment shall be attached to and become a part of the solicitation.

7 Encls:

(1) Responses to ProjNet questions

(2) SECTION 01 22 00.10, MEASUREMENT AND PAYMENT

(3) SUBMITTAL REGISTER

(4) SECTION 02 21 00.10 45, CONSTRUCTION SURVEYING

(5) SECTION 03 31 00.00 45, CONCRETE FOR JETTY WALKWAY

(6) SECTION 35 31 19, STONE FOR CCSC JETTY REHABILITATION

(7) DRAWINGS NO. G-002, C-501, C502, AND C-503

A0005-3

Corpus Christi Ship Channel, Texas Jetty Repairs, Responses to Bidder Inquiries

ID 8105338

Contracting responded in Amendment No. 2

ID 8105783

Yes, we will provide XYZ data from Multibeam and LIDAR data gathered by Chustz Surveying.

ID 8116205

Response was provided in Amendment No. 3

ID 8120289

The retainage of 20% of payment for satisfactory completion of each stone work will not be reduced to 5% but final acceptance of work will be accepted in 500 feet increments.

ID 8120309

All references to geotextile in plans and specifications will be removed.

ID 8120338

All references to filler stone in plans and specifications will be removed.

ID 8120341

All references to filler stone in plans and specifications will be removed.

ID 8120342

There won’t be any resetting of stones. All references to resetting of stone will be removed.

ID 8120344

There isn’t a list of stone sources. All references of a list of stone sources will be removed from the plans and specifications.

ID 8120345

The Blanket Stone shall conform to the requirements in Part 2-Products of Section 35 31 19.

ID 8120347

The evaluation tests can be found under Paragraph 2.1.2 Evaluation of Stone.

ID 8120351

The frequency will be reduced to 50,000 tons of stone.

ID 8120352

The gradation test per 5,000 tons of material can be revised to 50,000 tons.

ID 8120354

Yes, blanket stone acceptance surveys can be completed by contractors’ crews without a RPLS.

ID 8120355

A RPLS is not needed.

ID 8120358

In Section 35 31 19, Par 3.5.3.3 Records, 4th Sentence, shall be revised to say, “The final as-built survey shall be conducted after all construction is completed and accepted.” Also the final condition surveys shall be completed after all acceptance surveys have been completed.

ID 8120360

All references to filler stone in plans and specifications will be removed.

ID 8120361

Requirement will be waived for granite stone. Sentence will be added to the end of Spec Section 2.3a Curing Stone, “Granite stone is granted a waiver”.

ID 8120362

The assumption of October 1, 2015 as the NTP is incorrect. The stone delivery restriction is waived for the granite stone. In Section 35 31 19, Par 2.3C, at the end of paragraph, sentence will be added to convey this. “Granite stone is granted a waiver for the stone delivery restrictions.”

ID 8120363

Excavation on the slopes will not be required. On Plan Sheet C-501, remove note 11 and the note under “Existing ground preparation/excavation required at crown for dimension armor stone placement to not exceed EL. -4.6’” under the Typical Section Adjustment To Avoid Excavation.

ID 8120365

The SSHO will not have other duties.

ID 8120369

Yes, surveys are required for progress payments. No, an independent RPLS is not required.

ID 8120385

The retainage of 20% of payment for satisfactory completion of each stone work will not be reduced to 5% but final acceptance of work will be accepted in 500 feet increments.

ID 8122181

Surveys will be submitted in the XYZ format.

A0005-4

SWG FILE NO.: NUECES 802-139 SOLICITATION NO.: W912HY19R0004

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00.10

MEASUREMENT AND PAYMENT AMENDMNET NO. 0005

PART 1 GENERAL

1.1 SUBMITTALS

1.2 LUMP SUM PAYMENT ITEMS

1.2.1 Mobilization and Demobilization

1.2.1.1 Payment

1.2.1.2 Unit of Measure

1.2.2 Pre and Post Construction Surveys

1.2.2.1 Payment

1.2.2.2 Unit of Measure

1.3 UNIT PRICE PAYMENT ITEMS

1.3.1 STONE

1.3.1.1 Payment

1.3.1.2 Measurement

1.3.2 CONCRETE WALKWAY

1.3.2.1 Payment (AM#3)

1.3.2.2 Measurement

1.3.2.3 Unit of Measure

1.3.3 SOUTH JETTY CONCRETE WALKWAY OVERYLAY

1.3.3.1 Payment

1.3.3.2 Measurement

1.3.3.3 Unit of Measure

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

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SECTION 01 22 00.10 Page 2

SECTION 01 22 00.10

MEASUREMENT AND PAYMENT

AMENDMNET NO. 0005

PART 1 GENERAL

1.1 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

Gaging Table Data

Weight Certificates

Weigh Scale Certification

Certified Weight Scale Tickets

Submit certified weight certificates for verification and payment.

1.2 LUMP SUM PAYMENT ITEMS

Payment items for the work of this Contract for which Contract lump sum payments will be made are listed in the BID SCHEDULE and specified below.

All costs for items of work, which are not specifically mentioned to be included in a particular lump sum or unit price payment item, will be included in the listed lump sum item most closely associated with the work involved. The lump sum price and payment made for each item listed will constitute full compensation for furnishing plant, labor, materials, and equipment, and performing any associated Contractor Quality Control, administrative requirements, environmental protection, meeting safety requirements, tests and reports, and for performing the work required for which separate payment is not otherwise provided.

1.2.1 Mobilization and Demobilization

1.2.1.1 Payment

The Contract price for "Mobilization and Demobilization" in Schedule No. 1 will include the costs in connection with mobilization and demobilization of the plant necessary to perform work under the various bid items. The Contract price shall include transportation and other costs incidental to delivery of the plant and other equipment to the general work area in condition ready for operation and, after the completion of the work, for removal of the plant and equipment from the work site(s). Payment for mobilization and demobilization will be pursuant to the conditions as defined in the SECTION 00 72 00 CONTRACT CLAUSES.

SECTION 01 22 00.10 Page 3

1.2.1.2 Unit of Measure

Unit of measure: Job.

1.2.2 Pre and Post Construction Surveys

1.2.2.1 Payment

The Contract price for "Pre and Post Construction Surveys" in Schedule No.

1 will include the costs necessary to perform multibeam hydrographic surveys along with the side scan sonar imagery collection, topographic LiDAR and aerial imagery surveys of the CCSC entrance channel jetties.

1.2.2.2 Unit of Measure

Unit of Measure: Job

1.3 UNIT PRICE PAYMENT ITEMS

Payment items for the work in this Contract on which the Contract unit price payments will be made are listed in the BID SCHEDULE and specified below. The unit price and payment made for each item listed will constitute full compensation for furnishing plant, labor, materials, and equipment, and performing any associated Contractor Quality Control, administrative requirements, environmental protection, meeting safety requirements, tests and reports, and for performing the work required for each of the unit price items.

1.3.1 STONE

Stone is designated as a general term for all the stone materials such as armor stone, core stone, bedding stone, (AM#5)filler stone and other necessary stone will are used for the jetty rehab construction.

1.3.1.1 Payment

Payment for satisfactorily placed stone will be made at the applicable contract unit price(AM#5), final acceptance of work will be accepted in 500 foot increments, for:

Sechedule #1:

"Armor Stone" with bid Item No. 0005, "Blanket Stone" of bid Item No. 0006;

Option No. 1:

"Armor Stone" with bid Item No. 0007, "Blanket Stone" with bid Item No. 0008;

Option No. 2

"Armor Stone" with Item No. 0009, "Blanket Stone" with bid Item No. 0010

Option No. 3

"Armor Stone" with bid Item No. 0013, "Blanket Stone" with bid

SECTION 01 22 00.10 Page 4

Item No. 0014 in Option No. 3.

Option No. 4

"Armor Stone" with bid Item No. 0015, in Option No. 4.

"Blanket Stone" with bid Item No. 0016, in Option No. 4.

Price(s) and payment(s) shall constitute full compensation for furnishing, transporting, hauling, handling, placing, reworking the stone if necessary, and maintaining the stone until final acceptance by the Government. No separate payment will be made for the stockpiling of stone(AM#5), filler stone for filling the gaps on the jetty crown, and geotextiles used in shoreline erosion prevention as shown. All cost in connection with stockpiling, filler stone and geotextiles shall be considered as incidentals and shall be included in the contract unit price. Full payment for stone will not be permitted until stone construction has been completed in a satisfactory manner. Twenty (20) percent of the payment for each stone work will be retained until the stone work has been completed in a satisfactory manner.

1.3.1.2 Measurement

Stone will be measured for payment by the tonnage(AM#5) except filler stone. Filler stone shall not measured for payment, filler stone is considered as an incidental item to cover stone. Quantities will be computed to the nearest whole ton. Stone will be measured for payment, in the presence of the Contracting Officer or authorized representative, by weighing on approved, accurately calibrated scales furnished by and at the expense of the Contractor. The scales shall be capable of printing a weight ticket including time, date, truck number, and weight. Weight certificates furnished by a public weighmaster will be acceptable. Submit Weigh Scale Certification and Certified Weight Scale Tickets, by a copy of the certification from the regulation agency, attesting to the scale's accuracy and a copy of each certified weight scale ticket after 7 working day(s) after weighing.

Stone will be measured for payment by the ton as determined by barge or vessel displacement, certified railroad weights, where direct placement into structure(s) is practicable, or by weighing by the truckload on approved scales meeting the requirements of paragraph TRUCKLOAD.

a. Truckload. Each truck load will be weighed to the nearest 0.1 ton and the final quantity rounded to the nearest whole ton. Stone will be measured for payment by weighing on approved scales before being placed in the work. Scales shall be of sufficient length to permit simultaneous weighing of all axle loads and shall have an accuracy within 0.2 percent throughout the range of the scales. The scale's accuracy shall conform to the applicable requirements of NIST HB 44 and shall be certified by an acceptable scales company representative by an inspector of the State Inspection Bureau charged with scales inspection within the state in which the project is located prior to weighing any stone. The scales shall be capable of printing a weight ticket including time, date, truck number, and weight. The Contracting Officer may elect to accept certified railroad weights or weight certificates furnished by a public weighmaster in lieu of scale weights at the jobsite. Quarry weights will not be accepted. Scales will be checked and certified before hauling stone and after each 50,000 tons increment of stone weighed under this contract.

SECTION 01 22 00.10 Page 5

b. Barge Load

(1) If delivered by barge, stone will be measured for payment by the Contracting Officer by weight determined by barge displacement.

All measurements for determing gauging tables and for calculating loads are to be made in still water close to the work site. The gauging table shall be based upon 62.4 lb/cf in fresh water and 64 lb/cf in salt water. Furnish the Contracting Officer a barge displacement table not less than 10 work days prior to unloading the stone from any barge. Each table submitted shall show the name and/or number of the barge owner, the name of the fabricator, and the certification and date of certification of the person or firm preparing the table. Furnish with the barge displacement tables a drawing or sketch of each barge, dimensioned in sufficient detail to permit checking of the tables. The drawings shall show, as a minimum, the length, width, depth of the barge, and dimensions of the rake or rakes. Each such table shall have its accuracy certified by a person or firm, other than the Contractor, customarily performing this service. Each table submitted shall contain, in parallel columns, the freeboard of the barge in feet and tenths from zero to the full depth of the barge and the corresponding gross displacement to the nearest ton. Each barge shall be suitably marked with three displacement gaging locations on each side near each end of the barge and two amidships on opposite sides. Each gaging location shall be marked by a line perpendicular to the edge of the barge, 4 inches wide and 1 foot long, on both the deck and side of the bargeand two amid ship on opposite sides. Barges with rakes shall have the displacement gaging lines placed at each corner of the box section between the rakes. If a barge has a box end or ends, the gaging locations shall be placed approximately 4 feet from the box end(s). The freeboard will be measured at the six gaging locations and the displacement determined by the use of "STANDARD BARGE TABLES" from the average of these measurements. The displacement will be determined before and after being unloaded and the difference between these values shall be the quantity delivered. Submit the Gaging Table Data, stone hauling vessel, gaging tables and a copy of the data and calculations used for the preparation of the tables. Barges shall be loaded so that the readings taken at the gaging locations do not vary more than 1.5 feet port to starboard fore and aft and do not vary more than 0.5 feet port to starboard. If such is not the case, trim the carrier by shifting the stone until this limit is reached, before the measurement will be accepted. The draft shall be determined from the average of all six readings weighting the readings of the middle gage at double those of the end gages. (G1 + G2 + 2xG3 + 2xG

4 + G5 + G6) divided by 8 = average draft. All carriers used in transporting stone shall be free of leaks such as would render accurate gauging difficult. Facilities for inspecting the hold of each carrier to determine whether leakage is occurring shall be provided. Each carrier shall also be provided with adequate pumping facilities, and if water is found to be accumulating in the hold, the carrier shall be pumped dry before each gaging, both before and after unloading. Lightening by pumping or by transfer of crew or supplies will not be permitted while stone is being transferred. Rejected stone and unacceptable material shall be left aboard the barge until after the final readings have been taken.

SECTION 01 22 00.10 Page 6

1.3.2 CONCRETE WALKWAY

1.3.2.1 Payment (AM#3)

Payment will be made for costs associated with completing the concrete walkway construction which include demolishing and re-constructing the concrete walkway as shown on the south and north jetty. Applicable contract unit price are associated with bid Item 0003 "South Jetty Concrete Walkway (demolition and re-construction)," in schedule #1; and with bid Item No.

0011 "North Jetty Concrete Walkway 12' (demolition and re-construction)" and in bid Item No. 0012 "North Jetty Concrete Walkway 6' (demolition and reconstruction)" of Option No. 3. Price(s) and payment(s) shall constitute full compensations for all materials, installations, labor, equipment, transportation, tools, and all appurtenances to complete the concrete walkway construction as indicated and specifed.

1.3.2.2 Measurement

Jetty concrete walkway will be measured the number of linear feet of each cross section constructed as indicated, measured along the face of the concrete walkway.

1.3.2.3 Unit of Measure

Unit of measure: linear feet.

1.3.3 SOUTH JETTY CONCRETE WALKWAY OVERYLAY

1.3.3.1 Payment

Payment will be made for costs associated with completing "South Jetty Concrete Walkway Overlay" of bid Item No. 0004 in Schedule No. 1. Price(s) and payment(s) shall constitute full compensations for all materials, installations, labor, equipment, transportation, tools, and all appurtenances to complete the concrete walkway construction as indicated and specified.

1.3.3.2 Measurement

South Jetty Concrete Walkway overlay will be measured by the linear foot constructed over the existing concrete walkway.

1.3.3.3 Unit of Measure

Unit of measure: Linear Feet.

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

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CCSC Jetty Repairs

01 22 00.10 SD-03 Product Data 1.3.1.2Gaging Table Data 1.3.1.2Weight Certificates 1.3.1.2Weigh Scale Certification 1.3.1.2Certified Weight Scale Tickets

02 21 00.10 45 SD-01 Preconstruction Submittals Registered Professional Land Surveyor

Registered Hydrographic Surveyor

Multi-Beam Surveys Topographic LiDAR and Aerial Imagery Surveys

03 31 00.00 45 SD-01 Preconstruction Submittals 3.1Concrete Curing Plan 3.1Quality Control Plan 3.1Quality Control Personnel

Certifications 3.2.3Construction Methods 3.1Laboratory Accreditation 3.4Transporting and Placing

Concrete

2.10.3 GConcrete Mixture Proportions

SD-03 Product Data

2.2 GCementitious Materials

SUBMITTAL REGISTER

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03 31 00.00 45 2.3 GSupplemental Cementing Materials

2.5.1Water-Reducing or Retarding Admixture

2.6CONCRETE CURING

MATERIALS

2.9.3Dowel Bar Assemblies

2.9.2 GDowel

2.9.1 GStainless Steel Wire Mesh

GNon-shrink Grout 3.7.1Equipment

SD-05 Design Data

1.6.1.1 GConcrete Mix Design

2.8Formwork

SD-06 Test Reports 2.4Aggregates 2.7Water 3.8.5Slump 1.6.1.1Concrete Mix Design

2.10.1 GCompressive Strength Tests

3.8Testing And Inspection 3.3Preparation For Placing

SD-07 Certificates 2.1Certificate of Compliance 1.5.2Laboratory Accreditation and

Validation

SUBMITTAL REGISTER

CONTRACT NO.

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CONTRACTOR:

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03 31 00.00 45 1.5.1Contractor Quality Control Staff 35 31 19 SD-01 Preconstruction Submittals

3.1 GConstruction Equipment Lists

3.5.1 GConstruction Quality Control (Qc)

Plan 3.1Construction Operations Plan 3.1Construction Work Sequence

Schedule

1.5.1.2 GStone Materials Control (SMC)

Plan

1.5.1.3 GSMC Field Supervisor

Qualifications SD-03 Product Data

3.2.2Demonstration Section Evaluation

1.5.1.5Stone 2.1Stone 1.5.1.4Revision Of SMC Plan Or

Inspection Staffing SD-04 Samples

1.5.1.5Stone 2.1Stone

SD-05 Design Data

1.5.1.6 GDisplacement Gauge Installation

Data

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35 31 19 1.5.1.7 GCertified Stone Hauling Vessel Guaging Table Data

1.5.1.8 GPre Placement Survey

1.5.1.9 GCheck Surveys

3.5.3 GCheck Surveys

1.5.1.10 G CSEquipment

1.5.1.13Stone Placement Records

SD-06 Test Reports 2.1.3Gradation 2.1.2Evaluation of Stone 1.5.1.5laboratory test results 2.1.3.2blanket stone 2.1.3.1Armor stone

3.2.2 GDemonstration Section

Evaluation SD-07 Certificates

1.5.1.5Stone 2.1Stone

2.1.2 GLaboratory

1.5.1.11Weigh Scale Certification 1.5.1.12Certified Weight Scale Tickets

SD-10 Operation and Maintenance Data Post Construction Survey

SD-11 Closeout Submittals

3.5.3.3 GRecords

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SWG FILE NO.:NUECES 802-139 SOLICITATION NO.:W912HY19R0004

Section 01 33 00-A4

DIVISION 02 - EXISTING CONDITIONS

SECTION 02 21 00.10 45

CONSTRUCTION SURVEYING AMENDMENT NO. 0005

PART 1 GENERAL

1.1 SUMMARY

1.2 REFERENCES

1.3 SUBMITTALS

1.4 QUALITY ASSURANCE

1.4.1 General(AM#5)

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION

3.1 Pre and Post Construction Survey

3.1.1 Multibeam Hydrographic Surveys

3.1.2 Topographic LiDAR and Aerial Imagery Survey

3.1.3 Side Scan Sonar Imagery Collection

3.1.4 The Contractor Shall Furnish the Following Items:

3.2 Measurement and Payment

-- End of Section Table of Contents --

SECTION 02 21 00.10 45 Page 1

SECTION 02 21 00.10 45 Page 2

SECTION 02 21 00.10 45

CONSTRUCTION SURVEYING

AMENDMENT NO. 0005

PART 1 GENERAL

1.1 SUMMARY

Construction Surveying includes furnishing materials, labor, and equipment for topographic,hydrographic surveying and side scan sonar imagery collection where required under the Contract Documents.

1.2 REFERENCES

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

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 1110-1-1005 (2007) Engineering and Design -- Control and Topographic Surveying

EM 1110-2-1003 (2013) Engineering and Design -- Hydrographic Surveying

USACE (2007). Control and Topographic Surveying. EM 1110-1-1005, U.S. Army Corps of Engineers, Washington, DC, misc. paginated.

1.3 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:

Government acceptance is required for submittals with a "G,A" designation.

SD-01 Preconstruction Submittals

Registered Professional Land Surveyor

Registered Hydrographic Surveyor

Multi-Beam Surveys

Topographic LiDAR and Aerial Imagery Surveys

SECTION 02 21 00.10 45 Page 3

1.4 QUALITY ASSURANCE

1.4.1 General(AM#5)

All survey plots submitted to Engineer shall be sealed performed by a Registered Professional Land and HydrographicSurveyor (RPLS) registered in the State of Texassurveyor having experience in topographic and bathymetric surveying, and who is familiar with the USACE’s surveying guidelines in Engineer Manuals EM 1110-1-1005 and EM 1110-2-1003. Prior to commencing Work, Contractor shall provide name and credentials of Registered Professional Surveyors who will oversee surveys. Use of a RPLS who is certified as an American Congress on Surveying and Mapping (ACSM) Hydrographer is strongly encouraged.

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION

3.1 Pre and Post Construction Survey

Multibeam Hydrographic, Topographic light detection and ranging (LiDAR)and Aerial Imagery Surveys shall be performed before any repair work of the CCSCentrance channel jetties is initiated and after repair work is completed. The surveys shall encompass the area depicted on the plans.

The Contractor shall perform and provide records of multi-beam hydrographic and side-scan sonar surveys of the toe foundation and toe construction. He shall obtain approval from the Contracting Officer to proceed, prior to placing any stone on the side slopes or on the crown of the jetties. All horizontal control is to be referenced to the Texas State Plane Grid Coordinate System, South Zone, North American Datum, US feet, NAD 1983.

Vertical control shall be North American Vertical Datum 1988 feet, (NAVD88). The contractor will coordinate and receive approval of benchmarks to be used for the surveys with the Contracting Officer prior to proceeding with the surveys.

3.1.1 Multibeam Hydrographic Surveys

The contractor shall perform a multibeam hydrographic survey of the pre and post constructed CCSC entrance channel jetties and Aransas Pass using GPS in conjunction with various hardware and software such as Hypack, aspractical due to water depths at the time of the survey. A vessel(s) shall be provided capable of operating in the identified survey areas and equipped with sufficient conventional and automated equipment for acquiring multibeam data to perform the hydrographic survey. Some areas identified within survey areas will not be safe to operate a vessel when collecting multibeam data and gaps in data coverage between multibeam and LiDAR data may occur as a result. These areas include the outside (Gulf side) of the jetties where the offshore bathymetry transitions to the surf zone and adjacent to the jetties. To maximize data coverage, multibeam surveys shall be coordinated to occur during or around the time of high tides.

Tide predictions and actual tide levels for the multibeam survey areas are to be referenced to the National Oceanic and Atmospheric Administration tide stition: Aransas, Aransas Pass, TX - Station ID:8775241 (https://tidesandcurrents.noaa.gov/stationhome.html?id=8775241). Actual tidal levels can vary greatly from predicted tidal levels due to atmospheric conditions, the contractor shall be cognizant of these

SECTION 02 21 00.10 45 Page 4 conditions and contact the DSR in order to proceed if the actual tide level is significantly below the predicted tide level. All bathymetric data will be roll, pitch, heave, and tide corrected using best practices. Sound velocity corrections will be applied based on measurements made during and throughout the duration of the survey. Calibrations of survey equipment will be in accordance with the Corps Hydrographic Surveying Manual EM 1110-2-1003. An uncertainty or error analysis will be conducted on the bathymetric dataset. This analysis will quantify (vertical) uncertainty for each survey based on best management practices. A methods and uncertainty analysis report, field notes, and metadata must be submitted with the processed bathymetric data products.

3.1.2 Topographic LiDAR and Aerial Imagery Survey

The contractor shall perform a topographic LiDAR survey and concurrent aerial imagery collection of the CCSC entrance channel jetties. LiDAR surveys are to be performed with a drone mounted LiDAR sensor with vertical and horizontal accuracy of the LiDAR data less than 0.13 feet. To maximize data coverage the LiDAR survey and aerial imagery acquisition shall be coordinated to occur during or around the time of low tides. Tide predictions and actual tide levels for survey a.reas are to be reference to the National Oceanic and Atmospheric Administration tide station: Aransas,- Aransas Pass, TX - Station ID: 8775241 (https://tidesandcurrents.noaa.gov/stationhome.html?id=8775241). Actual tidal levels can vary -greatly from predicted tidal levels due to atmospheric conditions .

LiDAR data is to be verified by obtaining ground shots using transit or RTK GPS, of features or targets within the survey area that are discernable in the LiDAR dataset and/or transects across the survey area. A minimum of ten verification locations are required for the northern CCSC jetty and eight verification locations for the south jetty. Ground verification locations are to be evenly spaced as practical throughout the survey area.

Point density shall be a minimum of three points per square foot. LiDAR points are required to have attributes for X, Y, and Z values to the nearest thousandth, laser intensity, classification, and RGB values derived from imagery collected concurrently with the LiDAR dataset.

LiDAR data shall have noise and returns from the water surface removed from the final dataset. LiDAR is to be classified, at a minimum, for bare earth and vegetation. Classification methods shall not adjust the horizontal or vertical position of the LiDAR data .

3.1.3 Side Scan Sonar Imagery Collection

The contractor shall perform a side scan imagery collection of the pre and post constructed CCSC jetties and Aransas Pass concurrent with the multibeam survey. The side scan sonar system shall be operated in a manner that is capable of detecting an object that measures 1.5 feet cubed from shadow length. The side scan sonar shall be towed at a speed such that a detected object in the channel would receive a minimum of three pings per pass. Scanning coverage will be 125 percent. Calibrations and quality checks of equipment will be in accordance with the Corps Hydrographic Surveying Manual EM 1110-2-1003. A final report of contacts will be submitted by the contractor that identifies all anomalous features and provide a contact plot (image) and information for each contract at a minimum including: track number, contact number, contact range, contact position, estimate of contact height, width and volume computed from range

SECTION 02 21 00.10 45 Page 5 and shadow length, elevation. (in NAVD 88 feet) derived from the multibeam survey, remarks to denote first impression of contact's identitY or other pertinent information.

3.1.4 The Contractor Shall Furnish the Following Items:

a. A survey report summarizing the work, which shall include a description of the work, equipment and datum's used, project conditions, results and products delivered, etc.

b. Two DEMs:(1) a DEM of the CCSC north jetty with hydrographic and topographic data merged into a single DEM grid size of two feet; and

(2) a DEM of the CCSC ·south jetty with hydrographic and topographic data merged into a single DEM grid size of two feet; All DEMs are to be in geoTIFF format with a grid size of two feet.

c. Processed LiDAR data in both LAS and ASCII formats in two separate files:(1) the CCSC north jetty, and (2) the CCSC south jetty. LAS and ASCII formats shall contain attributes for X, Y, and Z values to the nearest thousandth, laser intensity, classification, and RGB values derived from imagery collected concurrently with the LiDAR dataset.

The processed LiDAR dataset shall not be decimated. The processed LiDAR dataset shall be tiled if the file size is excessive and restricts processing and viewing of the file.

d. Raw LiDAR data in LAS format for the two survey areas. Raw LiDAR data shall include all data logged during normal survey operations. The raw LiDAR dataset shall not be decimated. The raw LiDAR dataset shall be tiled if the file size is excessive and restricts processing and viewing of the file.

e. Georectified imagery of the LiDAR survey area in two separate files:

(1) the CCSC north jetty, and (2) the CCSC south jetty. Imagery is to be in geoTIFF format with a minimum resolution of 0.5 square ft .

f. Survey data for LiDAR survey verification locations in ASCII format and a description and photograph of each verification location.

g. Raw Multibeam data in Hypack's HSX format, along with all field notes, correctors, and tide information. Data collected in other than Hypack software must in a generic ASCII format readable by Hypack/Hysweep.

h. Full resolution Multibeam data in Hypack's HSX format and ASCII format. Data collected in other than Hypack software must in a generic ASCII format readable by Hypack/Hysweep. Full resolution multibeam data shall be delivered fully corrected for tides, sound velocity, vessel offsets, draft and settlement and squat. Full resolution data are defined as all data acquired and logged during normal survey operations.

i. Preliminary smooth sheet data for the multibeam survey.

Preliminary smooth sheet data shall be in ASCII format and contain values for X, Y, and Z values to the nearest hundredth of a foot.

j. Side scan sonar imagery geo-rectified in geoTIFF format tiled so that each tile does not exceed 500mb.

k. Side scan sonar data submitted as a digital file stored in the

SECTION 02 21 00.10 45 Page 6 industry standard XTF format.

1. A final report of contacts will be submitted by the contractor that identifies all anomalous features in the side scan sonar imagery. The report shall provide a contact plot (image) and information for each contract including, at a minimum: track number, contact number, contact range, contact position, estimate of contact height, width and volume computed from range and shadow length, elevation derived from the multibeam survey, remarks to denote first impression of contact's identity or other pertinent information.

3.2 Measurement and Payment

Measurement and payment for pre and post construction surveys will be paid for in accordance with provisions of the SECTION 01 22 00.10 MEASUREMENT

AND PAYMENT.

SECTION 02 21 00.10 45 Page 7

SECTION 02 21 00.10 45 Page 8

DIVISION 03 - CONCRETE

SECTION 03 31 00.00 45

CONCRETE FOR JETTY WALKWAY AMENDMENT NO. 0005

PART 1 GENERAL

1.1 SUMMARY

1.2 MEASUREMENT AND PAYMENT

1.3 REFERENCES

1.4 SUBMITTALS

1.5 QUALITY CONTROL

1.5.1 Contractor Quality Control Staff

1.5.2 Laboratory Accreditation and Validation

1.6 QUALITY ASSURANCE

1.6.1 Design Data

1.6.1.1 Concrete Mix Design

1.6.2 Shop Drawings

1.6.2.1 Dowel Bar Assemblies

1.6.3 Control Submittals

1.6.3.1 Concrete Curing Plan

1.6.3.2 Finishing Plan

1.6.3.3 Texturing

PART 2 PRODUCTS

2.1 CERTIFICATE OF COMPLIANCE

2.2 CEMENTITIOUS MATERIALS

2.2.1 Portland Cement

2.2.2 Blended Cements

2.3 SUPPLEMENTAL CEMENTING MATERIALS

2.3.1 Pozzolan

2.3.2 Ground Granulated Blast-Furnace Slag

2.4 AGGREGATES

2.4.1 Fine Aggregates

2.4.2 Coarse Aggregates

2.5 CHEMICAL ADMIXTURES

2.5.1 Water-Reducing or Retarding Admixture

2.6 CONCRETE CURING MATERIALS

2.6.1 Impervious-Sheet

2.6.2 Membrane-Forming Compound

2.7 WATER

2.8 FORMWORK

2.8.1 Jetty Walkway Forms

2.8.2 Wood Forms

2.8.3 Steel Forms

2.8.3.1 Biodegradable Form Release Agent

2.9 EMBEDDED ITEMS

2.9.1 Stainless Steel Wire Mesh

2.9.2 Dowel

2.9.3 Dowel Bar Assemblies

SECTION 03 31 00.00 45 Page 1

2.10 SAMPLING AND TESTING

2.10.1 Concrete Strength

2.10.2 Construction Surface and Tolerances

2.10.3 Concrete Mixture Proportions

2.10.4 Ready-Mix Concrete

PART 3 EXECUTION

3.1 GENERAL

3.2 PREPARATION

3.2.1 Weather Precaution

3.2.2 Embedded Items

3.2.3 Construction Methods

3.3 PREPARATION FOR PLACING

3.3.1 Dowel Bar Installations

3.3.1.1 Horizontal Dowel Bar Installation

3.3.1.2 Vertical Dowel bar Installations

3.3.2 Stainless Steel Welded Mesh Placement

3.3.3 Conditions of Underlying Materials

3.3.4 Formwork Installation

3.3.5 Production of Concrete

3.3.5.1 Volumetric Batching and Continuous Mixing

3.3.5.2 Ready-Mixed Concrete

3.4 TRANSPORTING AND PLACING CONCRETE

3.4.1 Transporting

3.4.2 Placing

3.4.3 Placement and Protection During Inclement Weather

3.4.3.1 Prevention of Plastic Shrinkage Cracking

3.4.4 Cold-Weather Requirements

3.4.5 Hot-Weather Requirements

3.4.6 Jetty Walkway Joints

3.4.7 Consolidation

3.5 FORM REMOVAL

3.6 FINISHING

3.6.1 Edging

3.6.2 Broom Finish

3.6.3 Repair of Defects

3.7 CURING AND PROTECTION

3.7.1 Curing

3.7.2 Preservation of Moisture

3.8 TESTING AND INSPECTION FOR CONTRACTOR QUALITY CONTROL

3.8.1 Inspection Details and Frequency of Testing

3.8.1.1 Preparations for Placing

3.8.1.2 Air Content

3.8.1.3 Slump

3.8.1.4 Consolidation and Protection

3.8.2 Dowels

3.8.3 Action Required

3.8.3.1 Placing

3.8.3.2 Slump

3.8.4 Reports

3.8.5 FIELD TESTING

-- End of Section Table of Contents --

SECTION 03 31 00.00 45 Page 2

SECTION 03 31 00.00 45

CONCRETE FOR JETTY WALKWAY

AMENDMENT NO. 0005

PART 1 GENERAL

1.1 SUMMARY

The work covered in this Section consists of materials, labor, testing, and techniques required to place quality portland cement concrete for CCSC Jetty Walkway and Jetty Walkway Surface Overlay specified and shown.

1.2 MEASUREMENT AND PAYMENT

Measurement and payment for concrete for minor structures will be paid for in accordance with provisions of the SECTION 01 22 00.10 MEASUREMENT AND

PAYMENT.

1.3 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.

AMERICAN CONCRETE INSTITUTE INTERNATIONAL (ACI)

ACI 117 (2010; Errata 2011) Specifications for Tolerances for Concrete Construction and Materials and Commentary

ACI 211.1-91 (Reapproved 2009) Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete

ACI 301 (2016) Specifications for Structural Concrete

ACI 302.1R (2015) Guide for Concrete Floor and Slab Construction

ACI 304R (2000; R 2009) Guide for Measuring, Mixing, Transporting, and Placing Concrete

ACI 214R (2011) Evaluation of Strength Test Results of Concrete

ACI 305 (2014) Specification for Hot Weather Concrete

ACI 305R (2010) Guide to Hot Weather Concreting

ACI 306.1 (2002) Standard Specification for Cold Weather Concreting

ACI 306R (2016) Guide to Cold Weather Concreting

SECTION 03 31 00.00 45 Page 3

ACI 308R (2016) Guide to Curing Concrete

ACI 308.1 (2011) Specification for Curing Concrete

ACI 308R-16 (2016) Guide to External Curing of Concrete

ACI 325.12R (2002; R 2013) Guide for Design of Jointed Concrete Pavements for Streets and Local Roads

ACI 347 (2004; Errata 2008; Errata 2012) Guide to Formwork for Concrete

ACI 355.4 (2011) Qualification of Post-Installed Adhesive Anchors in Concrete (ACI 355.4) and Commentary

ACI MCP SET (2017) Manual of Concrete Practice

ASTM INTERNATIONAL (ASTM)

ASTM A1022/A1022M (2016b) Standard Specification for Deformed and Plain Stainless Steel Wire and Welded Wire for Concrete Reinforcement

ASTM A955/A955M (2018) Standard Specification for Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

ASTM C1064/C1064M (2017) Standard Test Method for Temperature of Freshly Mixed Hydraulic-Cement Concrete

ASTM C1077 (2017) Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation

ASTM C1260 (2014) Standard Test Method for Potential Alkali Reactivity of Aggregates (Mortar-Bar Method)

ASTM C143/C143M (2015a) Standard Test Method for Slump of Hydraulic-Cement Concrete

ASTM C150 (2009) Standard Specification for Portland Cement

ASTM C1602/C1602M (2012) Standard Specification for Mixing Water Used in Production of Hydraulic Cement Concrete

ASTM C171 (2016) Standard Specification for Sheet Materials for Curing Concrete

ASTM C172 (2010) Standard Practice for Sampling Freshly Mixed Concrete

SECTION 03 31 00.00 45 Page 4

ASTM C231/C231M (2017a) Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method

ASTM C309 (2011) Standard Specification for Liquid Membrane-Forming Compounds for Curing Concrete

ASTM C31/C31M (2018) Standard Practice for Making and Curing Concrete Test Specimens in the Field

ASTM C33/C33M (2016) Standard Specification for Concrete Aggregates

ASTM C39/C39M (2018) Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

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

ASTM C595/C595M (2018) Standard Specification for Blended Hydraulic Cements

ASTM C989/C989M (2018) Standard Specification for Slag Cement for Use in Concrete and Mortars

ASTM C618 (2017a) Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

ASTM C685/C685M (2017) Standard Specification for Concrete Made by Volumetric Batching and Continuous Mixing

ASTM C78/C78M (2018) Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)

ASTM C94/C94M (2017a) Standard Specification for Ready-Mixed Concrete

ASTM D75/D75M (2014) Standard Practice for Sampling Aggregates

U.S. ARMY CORPS OF ENGINEERS (USACE)

COE CRD-C 400 (1963) Requirements for Water for Use in Mixing or Curing Concrete

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 the SECTION 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

SECTION 03 31 00.00 45 Page 5

Concrete Curing Plan Quality Control Plan Quality Control Personnel Certifications;

Construction Methods Laboratory Accreditation;

Transporting and Placing Concrete

Submit the methods, techniques and equipment for transporting, handling, placing, and consolidating the concrete prior to the first concrete placement.

Concrete Mixture Proportions; G

Submit 10 days prior to placement of concrete, the mixture proportions that will produce concrete of the quality required;

Applicable test reports to verify that the concrete mixture proportions selected will produce concrete of the quality specified.

SD-03 Product Data

Cementitious Materials; G Supplemental Cementing Materials; G Water-Reducing or Retarding Admixture

CONCRETE CURING MATERIALS

Dowel Bar Assemblies;

Dowel; G Stainless Steel Wire Mesh; G Non-shrink Grout; G

Manufacturer's literature is available from suppliers demonstrating compliance with applicable specifications.

Batching and Mixing Equipment

Batching and mixing equipment will be accepted on the basis of manufacturer's data that demonstrates compliance with the applicable specifications.

SD-05 Design Data

Concrete Mix Design; G

Concrete mix design shall include proportions of main components of cement, fine aggregate, coarse aggregate, water, and supplemental components of water reducing admixture, retarding admixture, fly ash, and ground-granulated blast-furnace slag.

Formwork

Formwork design prior to the first concrete placement.

SD-06 Test Reports

Aggregates Water Slump Concrete Mix Design

SECTION 03 31 00.00 45 Page 6

Compressive Strength Tests; G

Aggregates and slump will be accepted on the basis of certificates of compliance and test reports that show the material(s) meets the quality and grading requirements of the specifications under which it is furnished.

Testing And Inspection Preparation For Placing

Obtain the Contracting Officer's approval for each sequential procedure.

SD-07 Certificates

Certificate of Compliance Laboratory Accreditation and Validation Contractor Quality Control Staff

1.5 QUALITY CONTROL

1.5.1 Contractor Quality Control Staff

Reference Section 01 45 01.00 QUALITY CONTROL. Submit American Concrete Institute certification for Contractor Quality Control staff.

Qualifications and resumes for petrographer, surveyor, concrete batch plant operator, and profilograph operator. All Contractor Quality Control personnel assigned to concrete construction are required to be American Concrete Institute (ACI) certified in the following grade:

a. CQC personnel responsible for inspection of concrete paving operations:

ACI Concrete Transportation Inspector. The ACI Concrete Transportation Inspector is required to be present at the paving site during all paving operations, with the exception of the initial saw cutting operation. The QC manager is required to be present during initial saw cutting operations.

b. CQC staff is required to oversee all aspects of sawing operations (sawing, flushing, vacuuming, checking for random cracking, lighting).

c. Lead Foreman or Journeyman of the Concrete Placing, Finishing, and Curing Crews: ACI Concrete Flatwork Technician/Finisher.

d. Field Testing Technicians: ACI Concrete Field Testing Technician, Grade I.

e. Laboratory Testing Technicians: ACI Concrete Strength Testing Technician and Laboratory Testing Technician, Grade I or II.

1.5.2 Laboratory Accreditation and Validation

Provide laboratory and testing facilities. Submit accreditation of the commercial laboratory by an independent evaluation authority, indicating conformance to ASTM C1077, including all applicable test procedures. The laboratories performing the tests are required to be accredited in accordance with ASTM C1077, including ASTM C78/C78M and ASTM C1260.

Provide current accreditation and include the required and optional test…