W912EK20R0011-0002.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

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

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

HEAVY CONSTRUCTION - MULTIPLE AWARD TASK ORDER CONTRACT (MATOC)

The reason for this amendment is to revise Task Order 0001- Cascade Levee Repair Specification Section 35 32 19 , see summary of changes.

All other terms and conditions remain the same

1. CONTRACT ID CODE PAGE OF PAGES

1 4

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

16C. DATE SIGNED

BY 22-Apr-2020

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912EK20R0011

X 9B. DATED (SEE ITEM 11)

27-Mar-2020

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

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

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

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

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

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

22-Apr-2020

CODE

CONTRACTING DIVISION

US ARMY CORPS OF ENGINEERS

1500 ROCK ISLAND DRIVE

ROCK ISLAND IL 61201

W912EK 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912EK20R0011

The following items are applicable to this modification:

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

AMENDMENT 0002

SCHEDULE OF PRICES

ITEM

NO.

SUPPLIES/SERVICES QUANTITY UNIT UNIT

PRICE

AMOUNT

0001 Stripping 1 JOB

XXXXXXXX $

0002 Excavation 1 JOB

XXXXXXXX

0003 Bedding Stone No. 5

XXXXXXXX XXXXXXXX

0003AA First 2,100 Ton 2,100 TN $ $

0003AB Over 2,100 Ton 350 TN $ $

0004 Bedding Stone No. 13

XXXXXXXX XXXXXXXX

0004AA First 500 Ton 500 TN $ $

0004AB Over 500 Ton 75 TN $ $

0005 Stockpiled Class D Riprap Placement

XXXXXXXX XXXXXXXX

0005AA First 900 Tons 900 TN $ $

0005AB Over 900 Tons 150 TN

0006 Stockpiled Class C Riprap Placement

0006AA First 1,000 Tons 1,000 TN $ $

0006AB Over 1,000 Tons 200 TN $ $

0007 Riprap - Class D

XXXXXXXX XXXXXXXX

0007AA First 500 Ton 500 TN $ $

0007AB Over 500 Ton 400 TN $ $

W912EK20R0011

JOB= LUMP SUM

TN= TON

CY= CUBIC YARD

ENSURE THAT UNIT PRICE AND AMOUNT LINES FOR ALL ITEMS HAVE BEEN

COMPLETED

Changes have been made to task order 0001- Cascade Levee Repair Specification Section 35 32 19, as attached.

(end of summary of changes)

0008 Riprap - Class C

0008AA First 500 Ton 300 TN $ $

0008AB Over 500 Ton 150 TN $ $

0009 Site Restoration 1 JOB

XXXXXXXX

"TOTAL OF ESTIMATED AMOUNTS

(ITEM NOS. 0001 THROUGH 0009, INCL.)"

The following modifications are made to SECTION 35 32 19.

SECTION 35 31 19

a. PAGE SECTION 35 31 19 PAGE 1 AND PAGE 4. Delete pages SECTION

35 31 19 Page 1 and Page 4, in their entirety, and substitute therefor revised pages SECTION 35 31 19 Page 1 and Page 4.

b. ATTACHMENTS B AND C. Delete Attachments B and C, in their entirety, and substitute therefor revised Attachments B, C and D.

RFTOP - MATOC-HVY CASCADE TO#1

SECTION TABLE OF CONTENTS

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

SECTION 35 31 19

STONE PROTECTION

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 RIPRAP SOURCES

1.4 QUALITY ASSURANCE

1.5 CONSTRUCTION TOLERANCES

1.5.1 Riprap

1.5.2 Bedding Stone

1.6 QUALITY CONTROL

PART 2 PRODUCTS

2.1 BEDDING STONE

2.2 RIPRAP

PART 3 EXECUTION

3.1 BASE PREPARATION

3.2 BEDDING STONE PLACEMENT

3.3 RIPRAP PLACEMENT

ATTACHMENTS:

Attachment A - Class C, Riprap Gradation Tally Chart

Attachment B - Class C, Riprap Gradation Curve

Attachment C - Class D, Riprap Gradation Tally Chart

SECTION 35 31 19 Page 1

Attachment D - Class D, Riprap Gradation Curve

-- End of Section Table of Contents --

AMEND 0002

17 APRIL 2020

1.6 QUALITY CONTROL

Gradation of riprap to ensure compliance with paragraph "Riprap Placement," determine the weight of pieces of each gradation of riprap as an approximate percent of the total weight before commencing placement of the riprap. The gradation to be reported on gradation test reports using the forms, Attachment A - Class C, Riprap Gradation Tally Chart, Attachment B - Class C, Riprap Gradation Curves, Attachment C - Class D, Riprap Gradation Tally Chart, and Attachment D - Class D, Riprap Gradation Curves attached.

Include the date of test and name of person conducting the inspection.

PART 2 PRODUCTS

2.1 BEDDING STONE

Provide IADOT, Gradations 5 and 13 (bedding stone).

2.2 RIPRAP

a. Provide riprap produced from sources in accordance with paragraph "RIPRAP SOURCES." Designate in writing only one such source or one combination of such sources from which the riprap is proposed for use prior to delivery at the site.

b. Listing of a riprap source is not to be construed as approval of all material from that source. The Government reserves the right to reject materials from certain localized areas, zones, strata, or ledges, when such materials are unsuitable for riprap as determined by the Contracting Officer.

c. Provide durable riprap and of a suitable quality to ensure permanence in the structure and in the climate in which it is to be used. Provide riprap free from cracks, seams, and other defects that would tend to increase unduly its deterioration from natural causes.

The inclusion of objectionable quantities of dirt, impervious and pervious materials, and rock fines, as determined by the Contracting Officer, is prohibited.

d. Provide riprap as IADOT, Class C and Class D. Provide 450 and 250 pound (respectively) top size and reasonably well graded over the entire range of sizes according to the Class C and Class D Gradation Curves.

e. Rock quarried after 15 September and prior to 15 April and stockpiled at the quarry will not be accepted for gradation until after 15 April. This requirement will be deleted for rock of satisfactory performance as determined by the Contracting Officer.

SECTION 35 31 19 Page 4

RFTOP - MATOC-HVY CASCADE TO#1

IADOT 4130.02 CLASS C REVETMENT - GS09001 APR 2010

Stone Weight in Pounds Minimum % > Stone Weight

Nominal Top Size

ENG Form 4055

CONTRACT __________________________________

PROJECT __________________________________

DATE _______________________________________

2.2

2.4

2.6

2.8

3.2

2.2

2.4

2.6

2.8

3.2

ASSUMING A SHAPE MIDWAY BETWEEN A SPHERE AND A CUBE

SIZE OF STONES IN INCHES

SPE

C

IFIC

G

R A

V

IT

Y

SPE

C

IFIC

G

R A

V

IT

Y

90 80 70 60 50 40 30 20 9 8 7 6 5 4 3 2 1

100 0

100110100

10000

PE

R

C E

N T

FIN

E

R B

Y W

E

IG

H T

PE

R

C E

N T

C O

A R

SE

R

B Y

W E

IG

H

T

WEIGHT OF STONES IN POUNDS

RIPRAP GRADATION CURVES

3848 44 40 3436 32 30 28 26 24 22 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3

ATTACHMENT B TO SECTION 35 31 19

RIPRAP GRADATION TALLY CHART

Use to record individual stone weights

Total Weight of Gradation Test Sample1 in pounds: ____________ = “X”1

Column ► A B C D E F G2

Weight Ranges ► < 2 pounds 2 - 4 pounds 5 - 39 pounds 40 - 89 pounds

90 - 159 pounds

160 - 250 pounds

250 + pounds

Record Individual

Stone Weights

Total of Individual Weights in Column ► ______lb ______lb ______lb ______lb ______lb ______lb ______lb

Total Cumulative Weight Finer Than Next

Weight Range ►

(A)

______lb

(A+B)

______lb

(A+B+C)

______lb

(A+...+D)

______lb

(A+...+E)

______lb

(A+...+F)

______lb

(A+...+G)

______lb Percent Finer By Weight

(Total Cumulative

Weight of each Column, Divided by Total

Weight of Sample “X”3)

(A) X

(A+B) X

(A+B+C) X

(A+...+D) X

(A+...+E) X

(A+...+F) X

(A+...+G) X

1. - Recommended test sample size is approximately 40 times the top-size weight ≈ 10,000 pounds.

2. - 100% of the sample will be finer by weight than the heaviest individual stone weight plus one pound. Heaviest weight plus one will be plotted on the 100% Finer by Weight line of ENG Form 4055 - RIPRAP GRADATION CURVES. The totaled weights of all columns A - G should equal the initial test sample weight “X”.

3. - The Cumulative Percent Finer By Weight number for each column is plotted on ENG Form 4055 - RIPRAP GRADATION CURVES chart, on the weight increment line of the next column's weight range low number, i.e. column C cumulative percent would be plotted on the 40 pound line of the 4055 chart.

ATTACHMENT C TO SECTION 35 31 19

90 50

5 90 DATE ______________________________________

ENG Form 4055

IADOT 4130.02 CLASS D REVETMENT -- GS 09001 APR 2010 CONTRACT _________________________________ Stone Weight in Pounds Minimum % > Stone Weight

Nominal Top Size PROJECT ___________________________________

2.2

2.4

2.6

2.8

3.2

2.2

2.4

2.6

2.8

3.2

ASSUMING A SHAPE MIDWAY BETWEEN A SPHERE AND A CUBE

SIZE OF STONES IN INCHES

SPE

C

IFIC

G

R A

V

IT

Y

SPE

C

IFIC

G

R A

V

IT

Y

90 80 70 60 50 40 30 20 9 8 7 6 5 4 3 2 1

100 0

100110100

10000

PE

R

C E

N T

FIN

E

R B

Y W

E

IG

H T

PE

R

C E

N T

C O

A R

SE

R

B Y

W E

IG

H

T

WEIGHT OF STONES IN POUNDS

RIPRAP GRADATION CURVES

3848 44 40 3436 32 30 28 26 24 22 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3

AMEND 0002

ATTACHMENT D TO SECTION 35 31 19