Am0001 W9128F20B0016 Platte River.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. 0001

Platte River Bank Repair, RM 1.25, Platte River, NE.

See attached documentation for content of the amendment revisions

Date for receipt of Bids is 20 December 2019 at 2:00 pm

Government Point of Contact: Lynne Reed (402) 995-2039

U.S ARMY CORPS OF ENGINEERS, OMAHA DISTRICT

CONTRACTING OFFICE

1616 CAPITOL AVE.

OMAHA, NE 68102-4901

See Item 6

W9128F20B0016

12/12/2019

11/21/2019

12/12/2019

Platte River Bank Repair BSNP 2019 LP48

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00.00 10

MEASUREMENT AND PAYMENT

04/06

PART 1 GENERAL

1.1 SUBMITTALS

1.2 PAYMENT ITEMS

1.2.1 PHASE 1 SHOT ROCK

1.2.1.1 Work Included

1.2.1.1.1 0001AA - FIRST 4,900 TON OF SHOT ROCK

1.2.1.1.2 0001AB - NEXT 900 TON OF SHOT ROCK

1.2.1.2 Payment

1.2.1.3 Measurement (Ton)

1.2.1.3.1 Barge Displacement Method

1.2.1.3.2 Scale Method

1.2.1.3.3 Scales

1.2.1.3.4 Barge Displacement Tables

1.2.2 PHASE 1 GRADED RIPRAP

1.2.2.1 Work Included

1.2.2.1.1 0002AA - FIRST 3,500 TON OF GRADED RIPRAP

1.2.2.1.2 0002AB - NEXT 600 TON OF GRADED RIPRAP

1.2.2.2 Payment

1.2.2.3 Measurement (Ton)

1.2.2.3.1 Barge Displacement Method

1.2.2.3.2 Scale Method

1.2.2.3.3 Scales

1.2.2.3.4 Barge Displacement Tables

1.2.3 PHASE 2 SAND BERM

1.2.3.1 Work Included

1.2.3.1.1 0003AA - FIRST 35,800 CUBIC YARDS OF BERM

1.2.3.1.2 0003AB - NEXT 6,400 CUBIC YARDS OF BERM

1.2.3.2 Payment

1.2.3.3 Measurement (Cubic Yard)

1.2.4 PHASE 3 REVETMENT

1.2.4.1 Work Included

1.2.4.1.1 0004AA - FIRST 1,765 TON OF REVETMENT

1.2.4.1.2 0004AB - NEXT 300 TON OF REVETMENT

1.2.4.2 Payment

1.2.4.3 Measurement (Ton)

1.2.4.3.1 Barge Displacement Method

1.2.4.3.2 Scale Method

1.2.4.3.3 Scales

1.2.4.3.4 Barge Displacement Tables

1.2.5 PHASE 3 AGGREGATE SURFACE COURSE

1.2.5.1 Work Included

1.2.5.2 Measurement

1.2.5.3 Payment

1.2.6 PHASE 3 TOPSOIL

1.2.6.1 Work Included

SECTION 01 22 00.00 10 Page 1 Am0001

1.2.6.1.1 0006AA - FIRST 2,000 CUBIC YARDS OF TOP SOIL

1.2.6.1.2 0006AB - NEXT 500 CUBIC YARDS OF TOP SOIL

1.2.6.2 Measurement

1.2.6.3 Payment

1.2.7 SEEDING AND MULCHING

1.2.7.1 Work Includes

1.2.7.2 Measurement

1.2.7.3 Payment

1.2.8 MOBILIZATION/DEMOBILIZATION

1.2.8.1 Payment

1.2.8.2 Unit of Measure

1.2.9 ALL REMAINING WORK

1.2.9.1 Payment

1.2.9.2 Unit of Measure

-- End of Section Table of Contents --

SECTION 01 22 00.00 10 Page 2

SECTION 01 22 00.00 10

MEASUREMENT AND PAYMENT

04/06

PART 1 GENERAL

1.1 SUBMITTALS

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

submittals not having a "G" designation are for Contractor Quality Control approval. The following shall be submitted in accordance with Section

01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

Weight Certificates

1.2 PAYMENT ITEMS

Products or Payment items for the work of this contract for which contract payments will be made are listed in the BIDDING SCHEDULE and described below. All costs for items of work shall be included in the listed item most closely associated with the work involved. Payment made for each item listed shall constitute full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.

1.2.1 PHASE 1 SHOT ROCK

1.2.1.1 Work Included

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of shot rock as specified herein and as shown on the drawings.

Any stockpile of material remaining after completion of the work shall be removed from the project at the contractor's expense.

1.2.1.1.1 0001AA - FIRST 4,900 TON OF SHOT ROCK

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the first 4,900 tons of shot rock as specified herein and as shown on the drawings.

1.2.1.1.2 0001AB - NEXT 900 TON OF SHOT ROCK

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the next 900 tons of shot rock as specified herein and as shown on the drawings.

1.2.1.2 Payment

Payment will be made at the applicable unit price for costs associated with

SECTION 01 22 00.00 10 Page 3 furnishing, transporting, stockpiling (if applicable), placing, and constructing the stone protection as specified in the contract documents.

1.2.1.3 Measurement (Ton)

This Measurement paragraph and the associated subparagraphs apply to CLINs 0001AA and 0001AB.

The "Barge Displacement Method" or the "Scale Method" shall measure stone used in construction of structure repair delivered to the site by waterway for payment. The method used will be at the option of the Contractor, and specified to the Contracting Officer in writing. The "Scale Method" shall measure stone delivered to the construction site by land for payment.

Measurement shall be in "short tons" (2,000 lbs.) and all cost for measuring the stone for payment shall be borne by the Contractor.

1.2.1.3.1 Barge Displacement Method

If stone is delivered by barge, the weight of each barge load of stone may be determined by barge displacement. A barge of stone to be paid for by displacement method shall not be unloaded or removed from the work site until all necessary measurements are made for determining payment quantities delivered and/or used. The measurements will be made in the presence of a Contractor quality control officer, either by the Government Inspector, or by the Contractor in the presence of the Government Inspector.

a. Each barge on which stone is furnished shall be suitably marked with paint of a contrasting color at each of three displacement gaging points along each side of the barge. The marks shall be perpendicular to the edge of the barge, 4 inches wide and 1 foot in length, painted on both the deck and side at three equally spaced points beginning at the rake. The barge name or number shall be affixed to the deck and sides of the barge, both fore and aft, and shall be of sufficient size and legibility so as to be plainly seen and read.

b. Barge Displacement Tables: The Contractor shall furnish to the Contracting Officer a barge displacement table not less than 10 days prior to unloading stone from any barge for which displacement tables have not been previously furnished and approved. The table shall be certified accurate by a person or firm, other than the Contractor, accustomed to performing this service and approved by the Contracting Officer. Barge tables furnished shall contain, in parallel columns, the draft 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. Tables submitted shall show the name or number of the barge, the barge dimensions, the barge owner, the name of the manufacturer, and the certification of the person or firm preparing the table. The Contractor shall furnish with the barge displacement table a drawing or sketch of each barge, dimensioned in sufficient detail to permit checking of the tables. The drawing show as a minimum the length, width, and depth of the barge and dimensions of rake or rakes, including radius, origin of radius, and headlong dimensions.

c. Weight Scales: If the Contractor selects payment by displacement method, he must also ensure that scales approved by the Contracting Officer are available at all times at a location approved by the Contracting Officer. The Government will bear the cost and responsibility of weighing stone furnished for this contract on these scales.

SECTION 01 22 00.00 10 Page 4

1.2.1.3.2 Scale Method

Stone delivered at the site of the work may be weighed for payment on public scales which have been approved by the Contracting Officer and which have been certified by the State Wherein the scales are located. The stone shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton. If public scales are not available, the Contractor may furnish approved scales subject to certification acceptable to the Contracting Officer, and the weighing service may be supplied by an independent professional organization approved by the Contracting Officer.

The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self-printing scales are used, or a copy of the weigh bill signed by the weighmaster as each load is delivered to the job site. Each weigh bill shall contain the following: date, unit number, time of gross weight, time of net weight, name of project, contract number, name of Contractor and signature of the weigher.

1.2.1.3.3 Scales

If public scales or an independent professional weighing service is not available, stone delivered to the site of the work may be weighed for payment by a bonded weighmaster on scales which have been approved by the Contracting Officer and which have been certified by the applicable State wherein the scales are located. The Contractor shall furnish the Government Inspector a copy of each weigh bill signed by the bonded weighmaster as each load of stone is delivered.

1.2.1.3.4 Barge Displacement Tables

If the Contractor selects payment by the scale method, he must also provide to the Contracting Officer all of the barge displacement tables, drawings, and data required in 1.2.3.2.1B.

a. Stone shall be weighed for final payment during transport to the site by one of the following methods at the option of the Contractor and with approval of the Contracting Officer. The materials shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

b. Stone delivered at the site of the work may be weighed on public scales which have been approved by the Contracting Officer and which have been certified by the State wherein the scales are located. If public scales are not available, the weighing service may be supplied by an independent professional organization approved by the Contracting Officer.

The Contractor shall furnish the Contracting Officer a copy of each printed weigh bill, when self-printing scales are used, or a copy of the weigh bill signed by the weigh master as each load is delivered to the jobsite. (Each weigh bill shall contain the following: date, unit number, time, tare weight, gross weight, net weight, name of project, contract number, name of Contractor, and signature of weigher.) All costs for weighing the materials shall be borne by the Contractor.

1.2.2 PHASE 1 GRADED RIPRAP

1.2.2.1 Work Included

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of graded riprap as specified herein and as shown on the drawings.

SECTION 01 22 00.00 10 Page 5

Any stockpile of material remaining after completion of the work shall be removed from the project at the contractor's expense.

1.2.2.1.1 0002AA - FIRST 3,500 TON OF GRADED RIPRAP

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the first 3,500 tons of graded riprap as specified herein and as shown on the drawings.

1.2.2.1.2 0002AB - NEXT 600 TON OF GRADED RIPRAP

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the next 600 tons of graded riprap as specified herein and as shown on the drawings.

1.2.2.2 Payment

Payment will be made at the applicable unit price for costs associated with furnishing, transporting, stockpiling (if applicable), placing, and constructing the stone protection as specified in the contract documents.

1.2.2.3 Measurement (Ton)

This Measurement paragraph and the associated subparagraphs apply to CLINs 0002AA and 0002AB.

The "Barge Displacement Method" or the "Scale Method" shall measure stone used in construction of structure repair delivered to the site by waterway for payment. The method used will be at the option of the Contractor, and specified to the Contracting Officer in writing. The "Scale Method" shall measure stone delivered to the construction site by land for payment.

Measurement shall be in "short tons" (2,000 lbs.) and all cost for measuring the stone for payment shall be borne by the Contractor.

1.2.2.3.1 Barge Displacement Method

If stone is delivered by barge, the weight of each barge load of stone may be determined by barge displacement. A barge of stone to be paid for by displacement method shall not be unloaded or removed from the work site until all necessary measurements are made for determining payment quantities delivered and/or used. The measurements will be made in the presence of a Contractor quality control officer, either by the Government Inspector, or by the Contractor in the presence of the Government Inspector.

a. Each barge on which stone is furnished shall be suitably marked with paint of a contrasting color at each of three displacement gaging points along each side of the barge. The marks shall be perpendicular to the edge of the barge, 4 inches wide and 1 foot in length, painted on both the deck and side at three equally spaced points beginning at the rake. The barge name or number shall be affixed to the deck and sides of the barge, both fore and aft, and shall be of sufficient size and legibility so as to be plainly seen and read.

b. Barge Displacement Tables: The Contractor shall furnish to the Contracting Officer a barge displacement table not less than 10 days prior to unloading stone from any barge for which displacement tables have not been previously furnished and approved. The table shall be certified accurate by a person or firm, other than the Contractor, accustomed to

SECTION 01 22 00.00 10 Page 6 performing this service and approved by the Contracting Officer. Barge tables furnished shall contain, in parallel columns, the draft 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. Tables submitted shall show the name or number of the barge, the barge dimensions, the barge owner, the name of the manufacturer, and the certification of the person or firm preparing the table. The Contractor shall furnish with the barge displacement table a drawing or sketch of each barge, dimensioned in sufficient detail to permit checking of the tables. The drawing show as a minimum the length, width, and depth of the barge and dimensions of rake or rakes, including radius, origin of radius, and headlong dimensions.

c. Weight Scales: If the Contractor selects payment by displacement method, he must also ensure that scales approved by the Contracting Officer are available at all times at a location approved by the Contracting Officer. The Government will bear the cost and responsibility of weighing stone furnished for this contract on these scales.

1.2.2.3.2 Scale Method

Stone delivered at the site of the work may be weighed for payment on public scales which have been approved by the Contracting Officer and which have been certified by the State Wherein the scales are located. The stone shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton. If public scales are not available, the Contractor may furnish approved scales subject to certification acceptable to the Contracting Officer, and the weighing service may be supplied by an independent professional organization approved by the Contracting Officer.

The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self-printing scales are used, or a copy of the weigh bill signed by the weighmaster as each load is delivered to the job site. Each weigh bill shall contain the following: date, unit number, time of gross weight, time of net weight, name of project, contract number, name of Contractor and signature of the weigher.

1.2.2.3.3 Scales

If public scales or an independent professional weighing service is not available, stone delivered to the site of the work may be weighed for payment by a bonded weighmaster on scales which have been approved by the Contracting Officer and which have been certified by the applicable State wherein the scales are located. The Contractor shall furnish the Government Inspector a copy of each weigh bill signed by the bonded weighmaster as each load of stone is delivered.

1.2.2.3.4 Barge Displacement Tables

If the Contractor selects payment by the scale method, he must also provide to the Contracting Officer all of the barge displacement tables, drawings, and data required in 1.2.3.2.1B.

a. Stone shall be weighed for final payment during transport to the site by one of the following methods at the option of the Contractor and with approval of the Contracting Officer. The materials shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

b. Stone delivered at the site of the work may be weighed on public scales which have been approved by the Contracting Officer and which have

SECTION 01 22 00.00 10 Page 7 been certified by the State wherein the scales are located. If public scales are not available, the weighing service may be supplied by an independent professional organization approved by the Contracting Officer.

The Contractor shall furnish the Contracting Officer a copy of each printed weigh bill, when self-printing scales are used, or a copy of the weigh bill signed by the weigh master as each load is delivered to the jobsite. (Each weigh bill shall contain the following: date, unit number, time, tare weight, gross weight, net weight, name of project, contract number, name of Contractor, and signature of weigher.) All costs for weighing the materials shall be borne by the Contractor.

1.2.3 PHASE 2 SAND BERM

1.2.3.1 Work Included

The work includes all material, equipment, and labor necessary to hydraulically or mechanically place material from to lines and grades shown on the contract drawings and detailed in the specifications.

1.2.3.1.1 0003AA - FIRST 35,800 CUBIC YARDS OF BERM

The work includes all material, equipment, and labor necessary to hydraulically or mechanically place the first 35,800 cubic yards of material from to lines and grades shown on the contract drawings and detailed in the specifications.

1.2.3.1.2 0003AB - NEXT 6,400 CUBIC YARDS OF BERM

The work includes all material, equipment, and labor necessary to hydraulically or mechanically place the next 6,400 cubic yards of material from to lines and grades shown on the contract drawings and detailed in the specifications.

1.2.3.2 Payment

Applicable unit price times the number of cubic yards of material placed.

1.2.3.3 Measurement (Cubic Yard)

This Measurement paragraph applies to CLINs 0003AA and 0003AB.

The volume of placed material will be determined by computer aided triangulation method taken from pre and post construction quantity surveys.

Hydrographic and land surveys shall be submitted in accordance with Section

01 80 00 AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES.

1.2.4 PHASE 3 REVETMENT

1.2.4.1 Work Included

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the Phase 3 Revetment as specified herein and as shown on the drawings.

Any stockpile of material remaining after completion of the work shall be removed from the project at the contractor's expense.

SECTION 01 22 00.00 10 Page 8

1.2.4.1.1 0004AA - FIRST 1,765 TON OF REVETMENT

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the first 1,765 tons of Phase 3 Revetment as specified herein and as shown on the drawings.

1.2.4.1.2 0004AB - NEXT 300 TON OF REVETMENT

The work includes all material, equipment and labor of furnishing, hauling, for the handling and placing of the next 300 tons of Phase 3 Revetment as specified herein and as shown on the drawings.

1.2.4.2 Payment

Payment will be made at the applicable unit price for costs associated with furnishing, transporting, stockpiling (if applicable), placing, and constructing the stone protection as specified in the contract documents.

1.2.4.3 Measurement (Ton)

This Measurement paragraph and the associated subparagraphs apply to CLINs 0004AA and 0004AB.

The "Barge Displacement Method" or the "Scale Method" shall measure stone used in construction of structure repair delivered to the site by waterway for payment. The method used will be at the option of the Contractor, and specified to the Contracting Officer in writing. The "Scale Method" shall measure stone delivered to the construction site by land for payment.

Measurement shall be in "short tons" (2,000 lbs.) and all cost for measuring the stone for payment shall be borne by the Contractor.

1.2.4.3.1 Barge Displacement Method

If stone is delivered by barge, the weight of each barge load of stone may be determined by barge displacement. A barge of stone to be paid for by displacement method shall not be unloaded or removed from the work site until all necessary measurements are made for determining payment quantities delivered and/or used. The measurements will be made in the presence of a Contractor quality control officer, either by the Government Inspector, or by the Contractor in the presence of the Government Inspector.

a. Each barge on which stone is furnished shall be suitably marked with paint of a contrasting color at each of three displacement gaging points along each side of the barge. The marks shall be perpendicular to the edge of the barge, 4 inches wide and 1 foot in length, painted on both the deck and side at three equally spaced points beginning at the rake. The barge name or number shall be affixed to the deck and sides of the barge, both fore and aft, and shall be of sufficient size and legibility so as to be plainly seen and read.

b. Barge Displacement Tables: The Contractor shall furnish to the Contracting Officer a barge displacement table not less than 10 days prior to unloading stone from any barge for which displacement tables have not been previously furnished and approved. The table shall be certified accurate by a person or firm, other than the Contractor, accustomed to performing this service and approved by the Contracting Officer. Barge tables furnished shall contain, in parallel columns, the draft 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. Tables submitted

SECTION 01 22 00.00 10 Page 9 shall show the name or number of the barge, the barge dimensions, the barge owner, the name of the manufacturer, and the certification of the person or firm preparing the table. The Contractor shall furnish with the barge displacement table a drawing or sketch of each barge, dimensioned in sufficient detail to permit checking of the tables. The drawing show as a minimum the length, width, and depth of the barge and dimensions of rake or rakes, including radius, origin of radius, and headlong dimensions.

c. Weight Scales: If the Contractor selects payment by displacement method, he must also ensure that scales approved by the Contracting Officer are available at all times at a location approved by the Contracting Officer. The Government will bear the cost and responsibility of weighing stone furnished for this contract on these scales.

1.2.4.3.2 Scale Method

Stone delivered at the site of the work may be weighed for payment on public scales which have been approved by the Contracting Officer and which have been certified by the State Wherein the scales are located. The stone shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton. If public scales are not available, the Contractor may furnish approved scales subject to certification acceptable to the Contracting Officer, and the weighing service may be supplied by an independent professional organization approved by the Contracting Officer.

The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self-printing scales are used, or a copy of the weigh bill signed by the weighmaster as each load is delivered to the job site. Each weigh bill shall contain the following: date, unit number, time of gross weight, time of net weight, name of project, contract number, name of Contractor and signature of the weigher.

1.2.4.3.3 Scales

If public scales or an independent professional weighing service is not available, stone delivered to the site of the work may be weighed for payment by a bonded weighmaster on scales which have been approved by the Contracting Officer and which have been certified by the applicable State wherein the scales are located. The Contractor shall furnish the Government Inspector a copy of each weigh bill signed by the bonded weighmaster as each load of stone is delivered.

1.2.4.3.4 Barge Displacement Tables

If the Contractor selects payment by the scale method, he must also provide to the Contracting Officer all of the barge displacement tables, drawings, and data required in 1.2.3.2.1B.

a. Stone shall be weighed for final payment during transport to the site by one of the following methods at the option of the Contractor and with approval of the Contracting Officer. The materials shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

b. Stone delivered at the site of the work may be weighed on public scales which have been approved by the Contracting Officer and which have been certified by the State wherein the scales are located. If public scales are not available, the weighing service may be supplied by an independent professional organization approved by the Contracting Officer.

The Contractor shall furnish the Contracting Officer a copy of each printed

SECTION 01 22 00.00 10 Page 10 weigh bill, when self-printing scales are used, or a copy of the weigh bill signed by the weigh master as each load is delivered to the jobsite. (Each weigh bill shall contain the following: date, unit number, time, tare weight, gross weight, net weight, name of project, contract number, name of Contractor, and signature of weigher.) All costs for weighing the materials shall be borne by the Contractor.

1.2.5 PHASE 3 AGGREGATE SURFACE COURSE

1.2.5.1 Work Included

The work of this item shall include but not be limited to furnishing all labor, materials and equipment and performing all operations necessary for furnishing and placing gravel surfacing as required according to the drawings and specifications.

1.2.5.2 Measurement

Job.

1.2.5.3 Payment

Payment shall be made on a progressive basis, based on the amount of work completed at the lump sum price.

1.2.6 PHASE 3 TOPSOIL

1.2.6.1 Work Included

This work includes equipment and labor, including all incidental and customarily performed work necessary for hauling, and spreading topsoil.

1.2.6.1.1 0006AA - FIRST 2,000 CUBIC YARDS OF TOP SOIL

This work includes equipment and labor, including all incidental and customarily performed work necessary for hauling, and spreading the first 2,000 cubic yards of topsoil.

1.2.6.1.2 0006AB - NEXT 500 CUBIC YARDS OF TOP SOIL

This work includes equipment and labor, including all incidental and customarily performed work necessary for hauling, and spreading the next 500 cubic yards of topsoil.

1.2.6.2 Measurement

This Measurement paragraph applies to CLINs 0006AA and 0006AB.

Cubic Yard. The quantity of earth fill placed shall be determined based on excavation and after compacted embankment placement surveys of the areas to receive this material, surveyed at the Contractor's expense. Note that the after compacted embankment surveys of the compacted embankments shall be performed and approved prior to placement of any subsequent layers of surfacing. Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using triangle volume method. Cubic yardage of topsoil shall be determined by quantity survey from dtm surfaces before and after compacted embankment installation are created as describe in Section As-Built Surveys, Digital Terrain Models, and Quantities. The quantities shall be determined from surveys performed

SECTION 01 22 00.00 10 Page 11 immediately after excavation or stripping is complete, and prior to placement of topsoil on the embankment.

1.2.6.3 Payment

Applicable unit price times the number of cubic yards of material acceptably placed.

1.2.7 SEEDING AND MULCHING

1.2.7.1 Work Includes

This work includes but not be limited to all materials, equipment and labor, and all incidental and customarily performed work necessary for seeding of disturbed areas, to complete the requirements according to the drawings and specifications specified herein.

1.2.7.2 Measurement

Job.

1.2.7.3 Payment

Payment shall be made on a progressive basis, based on the amount of work completed at the lump sum price.

1.2.8 MOBILIZATION/DEMOBILIZATION

1.2.8.1 Payment

Payment will be made for costs associated with mobilization and demobilization, as defined in Special Clause PAYMENT FOR MOBILIZATION AND DEMOBILIZATION, on a progressive basis based upon completion percentage of the project.

1.2.8.2 Unit of Measure

Unit of measure: Job.

1.2.9 ALL REMAINING WORK

1.2.9.1 Payment

Payment will be made for costs associated with completion of work described in the contract documents and not covered by the items outlined in the BIDDING SCHEDULE on a progressive basis based upon completion percentage of the project.

1.2.9.2 Unit of Measure

Unit of measure: Job.

SECTION 01 22 00.00 10 Page 12

00 10 00 Page 3 Am0001

BIDDING SCHEDULE

Item Estimated Unit No. Description Quantity Unit Price Amount

0001. Entire work, complete, for “Phase 1” shot rock as shown on the drawings and in the specifications

0001AA First 4,900 Tons $_________ $___________ 0001AB Next 900 Tons $_________ $___________

0002. Entire work, complete, for “Phase 1” graded riprap as shown on the drawings and in the specifications

0002AA First 3,500 Tons $_________ $___________ 0002AB Next 600 Tons $_________ $___________

0003. Entire work, complete, for placing “Phase 2” berm as shown on the drawings and in the specifications

0003AA First 35,800 CY $_________ $___________ 0003AB Next 6,400 CY $_________ $___________

0004. Entire work, complete, for “Phase 3” Revetment as shown on the drawings and in the specifications

0004AA First 1,765 Tons $_________ $___________ 0004AB Next 300 Tons $_________ $___________

0005. Entire work, complete, for “Phase 3” Aggregate Surface Course as shown on the drawings and in the specifications 1 Job - $___________

00 10 00 Page 4 Am0001

0006. Entire work, complete, for “Phase 3” Top Soil as shown on the drawings and in the specifications

0006AA First 2,000 CY $_________ $___________ 0006AB Next 500 CY $_________ $___________

0007. Entire work, complete, for seeding and mulching 1 Job - $___________

0008. Entire work, complete, for the mobilization / demobilization of all equipment 1 Job - $___________

0009. All remaining work 1 Job - $___________

TOTAL AMOUNT (ITEMS 0001 THRU 0009) $__________________

Notes:

1. The quantities for unit priced items are estimated only and the respective unit price will prevail in the event of an overrun or underrun subject to Section 01 30 00.24, (UAI 5152.211-

9001) VARIATIONS IN ESTIMATED QUANTITIES - SUBDIVIDED ITEMS (MAR 1995).

2. Bid prices must be entered for all items of the schedule. Total amount bids submitted without bid prices being entered on individual items will be rejected. Extensions will be subject to verification by the Government. In case of variation between the unit prices and the extensions, the unit prices will be considered the bid. In case of variation between the individual bid item prices and the total amount, the individual bid prices will be considered the bid.

3. A modification to a bid which provides for a single adjustment to the total amount bid should state the application of the adjustment to each respective unit price and lump sum price affected.

If the modification is not so apportioned, the single adjustment will be applied to Item No. 0009.

4. See Section 01 22 00 MEASUREMENT AND PAYMENT for additional information.

5. For Item Nos. 0001, 0002 & 0004, measurement and payment is by TON of in-place materials. Any stockpile of material remaining after completion of the work shall be removed from the project at the contractor's cost.

Am #0001 - 2 (Continuation of SF 30)

12 December 2019 Solicitation No. W9128F19B0016

Date of Issue: 21 November 2019 Date of Opening: 20 December 2019

SUBJECT: Amendment No. 0001 to Specifications and Drawings for Construction of Platte River Bank Repair, RM 1.25, Platte River, NE.

TO: Prospective Bidders 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. (Descriptive Changes.)

(1) Section 01 30 00.24 Page 12, add the following new paragraph:

“1.25 VARIATIONS IN ESTIMATED QUANTITIES - SUBDIVIDED ITEMS (MAR 1995)

This Variation in Estimated Quantities Clause is applicable only to Items Nos.

0001, 0002, 0003, 0004 and 0006.

(a) Variation from the estimated quantity in the actual work performed under any second or subsequent sub-item or elimination of all work under such a second or subsequent sub-item will not be the basis for an adjustment in contract unit price.

(b) Where the actual quantity of work performed for Items Nos. 0001, 0002, 0003, 0004 and 0006 is less than 85 percent of the quantity of the first sub-item listed under such item, the Contractor will be paid at the contract unit price for that sub-item for the actual quantity of work performed and, in addition, an equitable adjustment shall be made in accordance with the clause FAR 52.211-18, Variation in Estimated Quantity.

(c) If the actual quantity of work performed under Items Nos. 0001, 0002, 0003, 0004 and 0006 exceeds 115% or is less than 85% of the total estimated quantity of the sub-items under that item and/or if the quantity of work performed under the second sub-item or any subsequent sub-item under Items Nos. 0001, 0002, 0003, 0004 and 0006 exceeds 115% or is less than 85% of the estimated quantity of any such sub-item, and if such variation causes an increase or a decrease in the time required for performance of this contract the contract completion time will be adjusted in accordance with the clause FAR 52.211-18, Variation in Estimated Quantity.”

Am #0001 - 3 (Continuation of SF 30)

b. Specifications (New and/or Revised and Reissued). Delete and substitute or add specification pages or sections as noted below. The substituted pages or sections are revised and reissued with this amendment.

Pages or Sections Deleted Pages or Sections Substituted or Added

00 10 00-3 and 4 00 10 00-3 and 4

Section 01 22 00.00 10 Section 01 22 00.00 10

MEASUREMENT AND PAYMENT MEASUREMENT AND PAYMENT

c. Drawings (Reissued). The following drawings are revised with latest revision date of 12 December 2019, and reissued with this amendment.

(1) Sheets B0.02 and B0.05

2. This amendment is a part of the bidding papers and its receipt shall be acknowledged. All other conditions and requirements of the specifications remain unchanged. If the bids have been mailed prior to receiving this amendment, you will notify the office where bids are opened, in the specified manner, immediately of its receipt and of any changes in your bid occasioned thereby.

a. Hand-Carried Bids shall be delivered to the U.S. Army Corps of Engineers, Omaha District, Contracting Division, 1616 Capitol Avenue, Omaha, Nebraska 68102-4901.

b. Mailed Bids shall be addressed as noted in Item 8 on Page 00 10 00-1 of Standard Form 1442.

3. Bids will be received until 2:00 p.m., local time at place of bid opening, 20 December 2019.

Attachments:

Bidding Schedule Pages 00 10 00-3 and 00 10 00-4 Spec Pages listed in 1.b. above Dwgs. listed in 1.c. above

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

12 December 2019

MFS/2184